[AusNOG] Weekly Routing Table Report

Geoff Huston gih at apnic.net
Sat Mar 17 09:38:09 EST 2007


Try:

http://www.potaroo.net/papers/phd/atnac-2006/bgp-atnac2006.pdf
http://www.potaroo.net/ispcol/2006-06/bgpupds.html



On 17/03/2007, at 9:31 AM, Skeeve Stevens wrote:

>
> Based on previous data, does anyone have any projections over the next
> 6-12-18-24 months for the size of the BGP tables?
> This would be useful in projecting when older routers like 7500's  
> with 256mb
> of ram will start to run out of memory.
>
> It happened to a router the other day which had 2 full feeds and a  
> peering
> feed.... BGP just crashed after exhausting memory. They were find  
> with 180k
> feeds... 211k feeds - Fun Fun.
>
> ...Skeeve
>
> -----Original Message-----
> From: ausnog-bounces at ausnog.net [mailto:ausnog-bounces at ausnog.net]  
> On Behalf
> Of Routing Analysis Role Account
> Sent: Saturday, 17 March 2007 5:03 AM
> To: apops at apops.net; nanog at nanog.org; routing-wg at ripe.net;  
> afnog at afnog.org;
> ausnog at ausnog.net; sanog at sanog.org
> Subject: [AusNOG] Weekly Routing Table Report
>
> This is an automated weekly mailing describing the state of the  
> Internet
> Routing Table as seen from APNIC's router in Japan.
> Daily listings are sent to bgp-stats at lists.apnic.net
>
> For historical data, please see http://thyme.apnic.net.
>
> If you have any comments please contact Philip Smith <pfs at cisco.com>.
>
> Routing Table Report   04:00 +10GMT Sat 17 Mar, 2007
>
> Analysis Summary
> ----------------
>
> BGP routing table entries examined:                               
> 215817
>     Prefixes after maximum aggregation:                           
> 115556
>     Deaggregation factor:                                           
> 1.87
>     Unique aggregates announced to Internet:                      
> 104950
> Total ASes present in the Internet Routing Table:                  
> 24639
> Origin-only ASes present in the Internet Routing Table:            
> 21439
> Origin ASes announcing only one prefix:                            
> 10359
> Transit ASes present in the Internet Routing Table:                 
> 3200
> Transit-only ASes present in the Internet Routing  
> Table:             71
> Average AS path length visible in the Internet Routing Table:        
> 3.6
>     Max AS path length  
> visible:                                      29
>     Max AS path prepend of ASN  
> (31269)                               23
> Prefixes from unregistered ASNs in the Routing  
> Table:                 4
>     Unregistered ASNs in the Routing  
> Table:                           5
> Special use prefixes present in the Routing  
> Table:                    0
> Prefixes being announced from unallocated address  
> space:             12
> Number of addresses announced to Internet:                    
> 1688675212
>     Equivalent to 100 /8s, 167 /16s and 35 /24s
>     Percentage of available address space announced:                
> 45.6
>     Percentage of allocated address space announced:                
> 62.6
>     Percentage of available address space allocated:                
> 72.8
> Total number of prefixes smaller than registry allocations:       
> 112245
>
> APNIC Region Analysis Summary
> -----------------------------
>
> Prefixes being announced by APNIC Region ASes:                     
> 49398
>     Total APNIC prefixes after maximum aggregation:                
> 19932
>     APNIC Deaggregation factor:                                     
> 2.48
> Prefixes being announced from the APNIC address blocks:            
> 46476
>     Unique aggregates announced from the APNIC address blocks:     
> 20919
> APNIC Region origin ASes present in the Internet Routing Table:     
> 2896
> APNIC Region origin ASes announcing only one prefix:                 
> 780
> APNIC Region transit ASes present in the Internet Routing Table:     
> 432
> Average APNIC Region AS path length visible:                         
> 3.7
>     Max APNIC Region AS path length  
> visible:                         16
> Number of APNIC addresses announced to Internet:               
> 287310976
>     Equivalent to 17 /8s, 32 /16s and 4 /24s
>     Percentage of available APNIC address space announced:          
> 71.2
>
> APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
> (pre-ERX allocations)  23552-24575, 37888-38911
> APNIC Address Blocks   58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7
>                        210/7, 218/7, 220/7 and 222/8
>
> ARIN Region Analysis Summary
> ----------------------------
>
> Prefixes being announced by ARIN Region ASes:                     
> 105063
>     Total ARIN prefixes after maximum aggregation:                 
> 61530
>     ARIN Deaggregation factor:                                      
> 1.71
> Prefixes being announced from the ARIN address blocks:             
> 77083
>     Unique aggregates announced from the ARIN address blocks:      
> 29859
> ARIN Region origin ASes present in the Internet Routing Table:     
> 11405
> ARIN Region origin ASes announcing only one prefix:                 
> 4374
> ARIN Region transit ASes present in the Internet Routing Table:     
> 1044
> Average ARIN Region AS path length visible:                          
> 3.4
>     Max ARIN Region AS path length  
> visible:                          21
> Number of ARIN addresses announced to Internet:                
> 320763008
>     Equivalent to 19 /8s, 30 /16s and 116 /24s
>     Percentage of available ARIN address space announced:           
> 70.8
>
> ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
> (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
>                        3354-4607, 4865-5119, 5632-6655, 6912-7466
>                        7723-8191, 10240-12287, 13312-15359,  
> 16384-17407
>                        18432-20479, 21504-23551, 25600-26591,
>                        26624-27647, 29696-30719, 31744-33791
>                        35840-36863, 39936-40959
> ARIN Address Blocks    24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8,  
> 204/6,
>                        208/7 and 216/8
>
> RIPE Region Analysis Summary
> ----------------------------
>
> Prefixes being announced by RIPE Region ASes:                      
> 44473
>     Total RIPE prefixes after maximum aggregation:                 
> 29021
>     RIPE Deaggregation factor:                                      
> 1.53
> Prefixes being announced from the RIPE address blocks:             
> 41144
>     Unique aggregates announced from the RIPE address blocks:      
> 27331
> RIPE Region origin ASes present in the Internet Routing Table:      
> 9307
> RIPE Region origin ASes announcing only one prefix:                 
> 4890
> RIPE Region transit ASes present in the Internet Routing Table:     
> 1519
> Average RIPE Region AS path length visible:                          
> 4.0
>     Max RIPE Region AS path length  
> visible:                          29
> Number of RIPE addresses announced to Internet:                
> 294731652
>     Equivalent to 17 /8s, 145 /16s and 63 /24s
>     Percentage of available RIPE address space announced:           
> 79.9
>
> RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
> (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
>                        6656-6911, 8192-9215, 12288-13311, 15360-16383
>                        20480-21503, 24576-25599, 28672-29695
>                        30720-31743, 33792-35839, 38912-39935
>                        40960-43007
> RIPE Address Blocks    62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7,
>                        212/7 and 217/8
>
> LACNIC Region Analysis Summary
> ------------------------------
>
> Prefixes being announced by LACNIC Region ASes:                    
> 14306
>     Total LACNIC prefixes after maximum aggregation:                
> 4096
>     LACNIC Deaggregation factor:                                    
> 3.49
> Prefixes being announced from the LACNIC address blocks:           
> 12343
>     Unique aggregates announced from the LACNIC address blocks:     
> 7123
> LACNIC Region origin ASes present in the Internet Routing Table:     
> 775
> LACNIC Region origin ASes announcing only one prefix:                
> 254
> LACNIC Region transit ASes present in the Internet Routing Table:    
> 136
> Average LACNIC Region AS path length visible:                        
> 4.2
>     Max LACNIC Region AS path length  
> visible:                        19
> Number of LACNIC addresses announced to Internet:               
> 38253056
>     Equivalent to 2 /8s, 71 /16s and 178 /24s
>     Percentage of available LACNIC address space announced:         
> 57.0
>
> LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
> LACNIC Address Blocks  189/8, 190/8, 200/7
>
> AfriNIC Region Analysis Summary
> -------------------------------
>
> Prefixes being announced by AfriNIC Region ASes:                    
> 2573
>     Total AfriNIC prefixes after maximum aggregation:                
> 975
>     AfriNIC Deaggregation factor:                                   
> 2.64
> Prefixes being announced from the AfriNIC address blocks:           
> 1876
>     Unique aggregates announced from the AfriNIC address blocks:    
> 1157
> AfriNIC Region origin ASes present in the Internet Routing Table:    
> 184
> AfriNIC Region origin ASes announcing only one  
> prefix:               60
> AfriNIC Region transit ASes present in the Internet Routing  
> Table:   35
> Average AfriNIC Region AS path length visible:                       
> 3.6
>     Max AfriNIC Region AS path length  
> visible:                       15
> Number of AfriNIC addresses announced to Internet:               
> 5430272
>     Equivalent to 0 /8s, 82 /16s and 220 /24s
>     Percentage of available AfriNIC address space announced:        
> 16.2
>
> AfriNIC AS Blocks      36864-37887 & ERX transfers
> AfriNIC Address Blocks 41/8, 196/8
>
> APNIC Region per AS prefix count summary
> ----------------------------------------
>
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  4134     1285       9138         280   CHINANET-BACKBONE
>  4755     1142        383          76   Videsh Sanchar Nigam Ltd. Aut
>  9583     1086         78         366   Sify Limited
>  9498      968        468          70   BHARTI BT INTERNET LTD.
> 23577      784         35         713   Korea Telecom (ATM-MPLS)
>  4766      776       4943         311   Korea Telecom (KIX)
> 17488      612         40          28   Hathway IP Over Cable Interne
>  7545      595        142          75   TPG Internet Pty Ltd
>  1221      578       1957         452   Telstra Pty Ltd
> 18101      542        116          26   Reliance Infocom Ltd Internet
> 17676      503      10935          65   Softbank BB Corp.
>  4668      454         68          10   LG-EDS Systems Inc.
>  9443      454        111          74   Primus Telecommunications
>  4812      446        786          71   China Telecom (Shanghai)
>  7474      381        216         260   SingTel Optus Pty Ltd
>  4802      360         86         149   Wantree Development
> 17557      349         34         171   Pakistan Telecom
>  4837      341       4388         152   chinanet IDC center beijing n
>  2907      337       1733         310   SINET Japan
> 17974      337        129          14   PT TELEKOMUNIKASI INDONESIA
>
> ARIN Region per AS prefix count summary
> ---------------------------------------
>
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  7018     1504       6128         980   AT&T WorldNet Services
>  4323     1332       1005         352   Time Warner Telecom
>  6478     1133        433         188   AT&T Worldnet Services
>  2386     1096        566         738   AT&T Data Communications Serv
>  6197     1032        675         499   BellSouth Network Solutions,
> 11492     1005        101          17   Cable One
> 18566      997        288           9   Covad Communications
>   174      942       6792         865   Cogent Communications
>   701      938       6692         739   UUNET Technologies, Inc.
>  1239      823       2716         575   Sprint
> 20115      819        710         419   Charter Communications
>  7011      775        226         463   Citizens Utilities
> 19262      740       2601         172   Verizon Global Networks
> 22773      734       1872          41   Cox Communications, Inc.
>   209      716       3732         568   Qwest
>   721      618      21756         274   DLA Systems Automation Center
>   852      592       1088         379   Telus Advanced Communications
>  5668      579        160          16   CenturyTel Internet Holdings,
> 19916      568         49          54   OLM LLC
>   855      567        250          71   Canadian Research Network
>
> RIPE Region per AS prefix count summary
> ---------------------------------------
>
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>   702      520       1878         413   UUNET - Commercial IP service
> 24863      335         46          28   LINKdotNET AS number
>  3301      313       1200         292   TeliaNet Sweden
>  3320      299       4994         250   Deutsche Telekom AG
>  8220      272        469         262   COLT Telecommunications
>  6746      269         95         248   Dynamic Network Technologies,
>   680      257       2044         251   DFN-IP service G-WiN
>  5416      254         16          12   BATELCO-BH
>  3215      235       2208          96   France Telecom Transpac
>  8708      235        284         228   Romania Data Systems S.A.
>  1257      222       1180         169   SWIPnet Swedish IP Network
>  3269      217       2519          75   TELECOM ITALIA
>  8551      206        196          30   Bezeq International
>  3246      205        355         195   Song Networks
> 30890      205         17          95   SC Kappa Invexim SRL
> 20858      198         34           3   EgyNet
>  3352      191       1795          36   Ibernet, Internet Access Netw
>  3300      185        171          90   AUCS Communications Services
> 12479      182        578           6   Uni2 Autonomous System
>   786      173       1795         173   The JANET IP Service
>
> LACNIC Region per AS prefix count summary
> -----------------------------------------
>
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  8151     1074       2024         209   UniNet S.A. de C.V.
> 11830      482        299          19   Instituto Costarricense de El
> 11172      350        108          84   Servicios Alestra S.A de C.V
> 16814      329         20           8   NSS, S.A.
> 22047      307        206          11   VTR PUNTO NET S.A.
>  6471      256         74          30   ENTEL CHILE S.A.
>  7303      256        142          23   Telecom Argentina Stet-France
> 14117      239         16          13   Telefonica del Sur S.A.
> 11556      237        128           4   Cable-Wireless Panama
>  6147      229        180          24   Telefonica Del Peru
>  6503      208        171          81   AVANTEL, S.A.
> 10481      181         72           8   Prima S.A.
> 20299      174         25          23   NEWCOM AMERICAS
> 21826      162         29          58   INTERCABLE
>  7910      154         11          33   ANDINET ON LINE
> 23216      154         19          42   RAMtelecom Telecomunicaciones
> 10620      150         45          19   TVCABLE BOGOTA
> 19429      146         91          37   E.T.B.
> 18822      145          9          10   TELEFONICA MANQUEHUE
> 14522      144         22           5   SatNet S.A.
>
> AfriNIC Region per AS prefix count summary
> ------------------------------------------
>
>   ASN   No of nets  /20 equiv  MaxAgg  Description
>  3741      291        868         232   The Internet Solution
>  8452      220         60           6   TEDATA
> 15475      162         84           4   Nile Online
>  6713      143        135          11   Itissalat Al-MAGHRIB
>  2018      138        309         113   Tertiary Education Network
>  5536      123          8          15   Internet Egypt Network
> 33783      111          6           5   EEPAD TISP TELECOM & INTERNET
> 24835       86         48           6   RAYA Telecom - Egypt
>  2905       85        176          74   The Internetworking Company o
>  2561       64          6           2   Egyptian Universities Network
> 15706       55         12           4   Sudatel Internet Exchange Aut
> 23889       49         16          13   MAURITIUS TELECOM
>  5713       44        294          34   Telkom SA Ltd
> 33774       41         12          22   AS Number for Telecom Algeria
> 16637       33         21          25   Johnnic e-Ventures
> 33766       33          2           1   Nyala Communications Pty Ltd
>  8524       30          2           6   AUCEGYPT Autonomous System
> 12455       27          6           3   Jambonet Autonomous system
> 21280       27          4           4   Swift Global Kenya Ltd.Is an
> 33776       27          2           5   Starcomms Nigeria Limited
>
> Global Per AS Maximum Aggr summary
> ----------------------------------
>
>   ASN   No of nets  Net Savings Description
>  4755      1142        1066      Videsh Sanchar Nigam Ltd. Aut
>  4134      1285        1005      CHINANET-BACKBONE
> 11492      1005         988      Cable One
> 18566       997         988      Covad Communications
>  4323      1332         980      Time Warner Telecom
>  6478      1133         945      AT&T Worldnet Services
>  9498       968         898      BHARTI BT INTERNET LTD.
>  8151      1074         865      UniNet S.A. de C.V.
>  9583      1086         720      Sify Limited
> 22773       734         693      Cox Communications, Inc.
> 17488       612         584      Hathway IP Over Cable Interne
> 19262       740         568      Verizon Global Networks
>  5668       579         563      CenturyTel Internet Holdings,
>  6197      1032         533      BellSouth Network Solutions,
>  7545       595         520      TPG Internet Pty Ltd
> 18101       542         516      Reliance Infocom Ltd Internet
> 19916       568         514      OLM LLC
>   855       567         496      Canadian Research Network
>  7029       559         480      Alltel Information Services,
> 15270       514         480      PaeTec.net -a division of Pae
>
> List of Unregistered Origin ASNs (Global)
> -----------------------------------------
>
> Bad AS  Designation  Network              Transit AS  Description
> 65332   PRIVATE       63.166.106.192/27     1803       SPRINT
> 64515   PRIVATE       195.47.27.0/24        6721       The Terminal  
> Bar: In
> 24410   UNALLOCATED   203.119.28.0/24       4134       CHINANET- 
> BACKBONE
> 22895   UNALLOCATED   216.174.38.0/24      19094       Adelphia  
> Business So
>
> Advertised Unallocated Addresses
> --------------------------------
>
> Network            Origin AS  Description
> 7.1.1.0/24            1239     Sprint
> 132.0.0.0/10           721     DLA Systems Automation Center
> 137.0.0.0/13           721     DLA Systems Automation Center
> 158.0.0.0/13           721     DLA Systems Automation Center
> 172.33.1.0/24         7018     AT&T WorldNet Services
> 180.190.0.0/16       24003     JUBILANT ORGANOSYS LTD., INDI
> 192.0.10.0/24         9498     BHARTI BT INTERNET LTD.
> 192.44.0.0/24         5501     Fraunhofer Gesellschaft
> 192.44.0.0/19          702     UUNET - Commercial IP service
> 192.70.164.0/24      25689     National Research Council of
> 192.153.136.0/21       721     DLA Systems Automation Center
> 192.172.0.0/19         721     DLA Systems Automation Center
>
> Number of prefixes announced per prefix length (Global)
> -------------------------------------------------------
>
>  /1:0        /2:0        /3:0        /4:0        /5:0        /6:0
>  /7:0        /8:19       /9:9       /10:12      /11:33      /12:119
> /13:229     /14:438     /15:839     /16:9307    /17:3792    /18:6216
> /19:13331   /20:14973   /21:13545   /22:17496   /23:18863   /24:114292
> /25:769     /26:801     /27:483     /28:69      /29:43      /30:98
> /31:0       /32:41
>
> Advertised prefixes smaller than registry allocations
> -----------------------------------------------------
>
>   ASN   No of nets  Total ann.   Description
>  6478     1089          1133      AT&T Worldnet Services
> 11492      991          1005      Cable One
> 18566      979           997      Covad Communications
>  9583      927          1086      Sify Limited
>  7018      821          1504      AT&T WorldNet Services
>  2386      818          1096      AT&T Data Communications Serv
>  6197      800          1032      BellSouth Network Solutions,
> 23577      770           784      Korea Telecom (ATM-MPLS)
>  7011      676           775      Citizens Utilities
>  9498      637           968      BHARTI BT INTERNET LTD.
>  4766      584           776      Korea Telecom (KIX)
> 19916      563           568      OLM LLC
>  4755      546          1142      Videsh Sanchar Nigam Ltd. Aut
>  4323      531          1332      Time Warner Telecom
> 15270      482           514      PaeTec.net -a division of Pae
>   855      465           567      Canadian Research Network
> 18101      465           542      Reliance Infocom Ltd Internet
>  5668      450           579      CenturyTel Internet Holdings,
>  4668      445           454      LG-EDS Systems Inc.
> 17488      434           612      Hathway IP Over Cable Interne
>
> Number of /24s announced per /8 block (Global)
> ----------------------------------------------
>
>    4:9         7:1         8:65        9:1        12:1802     15:19
>   16:3        17:3        18:8        20:35       24:919      25:1
>   32:53       38:288      40:56       41:105      44:2        47:4
>   52:4        55:1        56:3        57:25       58:361      59:352
>   60:223      61:903      62:1034     63:1950     64:3070     65:2317
>   66:3161     67:760      68:664      69:1780     70:491      71:103
>   72:1231     73:1        74:292      75:87       76:12       77:98
>   80:847      81:780      82:651      83:363      84:508      85:729
>   86:422      87:481      88:245      89:837      90:18       91:222
>   97:1       116:1       117:1       118:1       119:1       120:1
>  121:149     122:521     123:57      124:762     125:918     128:271
>  129:223     130:119     131:347     132:51      133:10      134:188
>  135:37      136:181     137:86      138:194     139:56      140:480
>  141:142     142:373     143:210     144:274     145:43      146:321
>  147:145     148:386     149:187     150:114     151:120     152:94
>  153:118     154:5       155:247     156:155     157:176     158:162
>  159:153     160:104     161:90      162:236     163:174     164:449
>  165:384     166:245     167:281     168:520     169:119     170:390
>  171:15      172:1       189:240     190:463     192:5733    193:3734
>  194:2996    195:2188    196:918     198:3746    199:3280    200:4595
>  201:978     202:7215    203:7378    204:3982    205:2072    206:2444
>  207:2903    208:2557    209:3583    210:2389    211:922     212:1317
>  213:1425    214:407     215:39      216:3984    217:1167    218:351
>  219:274     220:878     221:374     222:271
>
> End of report
> Report Website: http://thyme.apnic.net
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