[AusNOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Sat Mar 1 05:12:10 EST 2014


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 01 Mar, 2014

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              484203
    Prefixes after maximum aggregation:                          191504
    Deaggregation factor:                                          2.53
    Unique aggregates announced to Internet:                     239504
Total ASes present in the Internet Routing Table:                 46226
    Prefixes per ASN:                                             10.47
Origin-only ASes present in the Internet Routing Table:           35597
Origin ASes announcing only one prefix:                           16401
Transit ASes present in the Internet Routing Table:                6037
Transit-only ASes present in the Internet Routing Table:            168
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      53
    Max AS path prepend of ASN ( 50404)                              51
Prefixes from unregistered ASNs in the Routing Table:              1858
    Unregistered ASNs in the Routing Table:                         487
Number of 32-bit ASNs allocated by the RIRs:                       6020
Number of 32-bit ASNs visible in the Routing Table:                4592
Prefixes from 32-bit ASNs in the Routing Table:                   14841
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            397
Number of addresses announced to Internet:                   2656597764
    Equivalent to 158 /8s, 88 /16s and 119 /24s
    Percentage of available address space announced:               71.8
    Percentage of allocated address space announced:               71.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               95.8
Total number of prefixes smaller than registry allocations:      169116

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   114986
    Total APNIC prefixes after maximum aggregation:               34485
    APNIC Deaggregation factor:                                    3.33
Prefixes being announced from the APNIC address blocks:          117592
    Unique aggregates announced from the APNIC address blocks:    49413
APNIC Region origin ASes present in the Internet Routing Table:    4895
    APNIC Prefixes per ASN:                                       24.02
APNIC Region origin ASes announcing only one prefix:               1226
APNIC Region transit ASes present in the Internet Routing Table:    855
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:    848
Number of APNIC addresses announced to Internet:              731200640
    Equivalent to 43 /8s, 149 /16s and 60 /24s
    Percentage of available APNIC address space announced:         85.5

APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-63999, 131072-133631
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    165723
    Total ARIN prefixes after maximum aggregation:                82909
    ARIN Deaggregation factor:                                     2.00
Prefixes being announced from the ARIN address blocks:           167138
    Unique aggregates announced from the ARIN address blocks:     77636
ARIN Region origin ASes present in the Internet Routing Table:    16149
    ARIN Prefixes per ASN:                                        10.35
ARIN Region origin ASes announcing only one prefix:                6118
ARIN Region transit ASes present in the Internet Routing Table:    1669
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          21
Number of ARIN region 32-bit ASNs visible in the Routing Table:      69
Number of ARIN addresses announced to Internet:              1065895808
    Equivalent to 63 /8s, 136 /16s and 71 /24s
    Percentage of available ARIN address space announced:          56.4

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, 46080-47103
                       53248-55295, 62464-63487, 393216-394239
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    122018
    Total RIPE prefixes after maximum aggregation:                61467
    RIPE Deaggregation factor:                                     1.99
Prefixes being announced from the RIPE address blocks:           126008
    Unique aggregates announced from the RIPE address blocks:     79900
RIPE Region origin ASes present in the Internet Routing Table:    17624
    RIPE Prefixes per ASN:                                         7.15
RIPE Region origin ASes announcing only one prefix:                8308
RIPE Region transit ASes present in the Internet Routing Table:    2857
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          53
Number of RIPE region 32-bit ASNs visible in the Routing Table:    2636
Number of RIPE addresses announced to Internet:               655827588
    Equivalent to 39 /8s, 23 /16s and 34 /24s
    Percentage of available RIPE address space announced:          95.3

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
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 196608-200191
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   54676
    Total LACNIC prefixes after maximum aggregation:               9987
    LACNIC Deaggregation factor:                                   5.47
Prefixes being announced from the LACNIC address blocks:          60535
    Unique aggregates announced from the LACNIC address blocks:   28074
LACNIC Region origin ASes present in the Internet Routing Table:   2074
    LACNIC Prefixes per ASN:                                      29.19
LACNIC Region origin ASes announcing only one prefix:               547
LACNIC Region transit ASes present in the Internet Routing Table:   422
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  1028
Number of LACNIC addresses announced to Internet:             151983232
    Equivalent to 9 /8s, 15 /16s and 20 /24s
    Percentage of available LACNIC address space announced:        90.6

LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 262144-263679 plus ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  11852
    Total AfriNIC prefixes after maximum aggregation:              2619
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         12533
    Unique aggregates announced from the AfriNIC address blocks:   4155
AfriNIC Region origin ASes present in the Internet Routing Table:   699
    AfriNIC Prefixes per ASN:                                     17.93
AfriNIC Region origin ASes announcing only one prefix:              202
AfriNIC Region transit ASes present in the Internet Routing Table:  149
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   11
Number of AfriNIC addresses announced to Internet:             51371776
    Equivalent to 3 /8s, 15 /16s and 223 /24s
    Percentage of available AfriNIC address space announced:       51.0

AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4766     2988      11580         895   Korea Telecom
17974     2756        902          88   PT Telekomunikasi Indonesia
 7545     2188        320         116   TPG Telecom Limited
 4755     1839        396         197   TATA Communications formerly 
 9829     1593       1283          39   National Internet Backbone
 9583     1313        102         534   Sify Limited
 7552     1235       1082          13   Viettel Corporation
 9498     1226        309          69   BHARTI Airtel Ltd.
 4808     1181       2123         359   CNCGROUP IP network China169 
24560     1108        379         174   Bharti Airtel Ltd., Telemedia

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 6389     3022       3688          53   BellSouth.net Inc.
22773     2320       2938         140   Cox Communications Inc.
 1785     2164        692         131   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
20115     1687       1673         576   Charter Communications
 4323     1624       1089         412   tw telecom holdings, inc.
  701     1492      11174         763   MCI Communications Services, 
30036     1380        298         560   Mediacom Communications Corp
 6983     1301        772         582   ITC^Deltacom
 7018     1288      18002         834   AT&T Services, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 8402     1796        544          16   OJSC "Vimpelcom"
34984     1408        243         222   TELLCOM ILETISIM HIZMETLERI A
20940     1260        475         951   Akamai International B.V.
13188     1048        100          28   TOV "Bank-Inform"
31148     1017         45          21   Freenet Ltd.
 8551      893        370          41   Bezeq International-Ltd
 6849      826        361          35   JSC "Ukrtelecom"
 6830      774       2331         425   Liberty Global Operations B.V
12479      713        798          51   France Telecom Espana SA
35819      563        634          74   Bayanat Al-Oula For Network S

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3494       1938          93   NET Serviços de Comunicação S
10620     2770        442         183   Telmex Colombia S.A.
18881     1907        972          21   Global Village Telecom
 7303     1751       1172         223   Telecom Argentina S.A.
 8151     1375       2884         417   Uninet S.A. de C.V.
 6503      945        434          62   Axtel, S.A.B. de C.V.
11830      869        364          15   Instituto Costarricense de El
27947      851        101          89   Telconet S.A
 7738      846       1626          39   Telemar Norte Leste S.A.
 3816      781        315         125   COLOMBIA TELECOMUNICACIONES S

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
36998     1638        240           6   Sudanese Mobile Telephone (ZA
24863      920        376          28   Link Egypt (Link.NET)
 6713      602        685          28   Office National des Postes et
 8452      508        958          13   TE-AS
24835      299        144           9   Vodafone Data
36992      264        783          24   ETISALAT MISR
 3741      247        921         208   Internet Solutions
15706      219         32           6   Sudatel (Sudan Telecom Co. Lt
29571      204         22          16   Cote d'Ivoire Telecom
29975      192        668          21   Vodacom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
28573     3494       1938          93   NET Serviços de Comunicação S
 6389     3022       3688          53   BellSouth.net Inc.
 4766     2988      11580         895   Korea Telecom
10620     2770        442         183   Telmex Colombia S.A.
17974     2756        902          88   PT Telekomunikasi Indonesia
22773     2320       2938         140   Cox Communications Inc.
 7545     2188        320         116   TPG Telecom Limited
 1785     2164        692         131   PaeTec Communications, Inc.
18566     2048        379         178   MegaPath Corporation
18881     1907        972          21   Global Village Telecom

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
 6389      3022        2969      BellSouth.net Inc.
17974      2756        2668      PT Telekomunikasi Indonesia
10620      2770        2587      Telmex Colombia S.A.
22773      2320        2180      Cox Communications Inc.
 4766      2988        2093      Korea Telecom
 7545      2188        2072      TPG Telecom Limited
 1785      2164        2033      PaeTec Communications, Inc.
18881      1907        1886      Global Village Telecom
18566      2048        1870      MegaPath Corporation
 8402      1796        1780      OJSC "Vimpelcom"

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
30662   UNALLOCATED  8.2.129.0/24          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.192.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.196.0/22          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.200.0/23          3356       Level 3 Communicatio
14728   UNALLOCATED  8.8.202.0/23          3356       Level 3 Communicatio
53506   UNALLOCATED  8.17.102.0/23         2828       XO Communications
20260   UNALLOCATED  8.25.160.0/24         3356       Level 3 Communicatio
20260   UNALLOCATED  8.25.161.0/24         3356       Level 3 Communicatio
46473   UNALLOCATED  8.27.122.0/24        12180       Internap Network Ser
46473   UNALLOCATED  8.27.124.0/24        12180       Internap Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
27.100.7.0/24        56096     >>UNKNOWN<<
41.73.1.0/24         37004     >>UNKNOWN<<
41.73.2.0/24         37004     >>UNKNOWN<<
41.73.10.0/24        37004     >>UNKNOWN<<
41.73.11.0/24        37004     >>UNKNOWN<<
41.73.12.0/24        37004     >>UNKNOWN<<
41.73.13.0/24        37004     >>UNKNOWN<<
41.73.14.0/24        37004     >>UNKNOWN<<
41.73.15.0/24        37004     >>UNKNOWN<<
41.73.16.0/24        37004     >>UNKNOWN<<

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:12      /10:30      /11:90      /12:255     
/13:475     /14:953     /15:1652    /16:12860   /17:6749    /18:11490   
/19:23756   /20:33607   /21:36192   /22:51760   /23:45021   /24:257024  
/25:796     /26:950     /27:436     /28:12      /29:17      /30:7       
/31:1       /32:42      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

  ASN   No of nets  Total ann.   Description
18566     2003          2048      MegaPath Corporation
 6389     1696          3022      BellSouth.net Inc.
36998     1599          1638      Sudanese Mobile Telephone (ZA
22773     1560          2320      Cox Communications Inc.
 8402     1477          1796      OJSC "Vimpelcom"
30036     1218          1380      Mediacom Communications Corp
11492     1165          1205      CABLE ONE, INC.
 1785     1159          2164      PaeTec Communications, Inc.
 6983     1039          1301      ITC^Deltacom
22561      990          1287      CenturyTel Internet Holdings,

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:976       2:781       3:3         4:16        5:913       6:19     
   8:650      12:1850     13:4        14:953      15:9        16:3      
  17:25       18:21       20:35       23:698      24:1720     27:1753   
  31:1582     32:44       33:2        34:5        36:119      37:1935   
  38:929      39:4        40:193      41:3097     42:243      44:18     
  46:2160     47:13       49:678      50:911      52:12       54:56     
  55:7        57:26       58:1160     59:594      60:375      61:1529   
  62:1256     63:1979     64:4333     65:2244     66:4196     67:2070   
  68:1035     69:3300     70:840      71:469      72:1959     74:2663   
  75:311      76:392      77:1200     78:1045     79:694      80:1297   
  81:1126     82:669      83:744      84:750      85:1262     86:402    
  87:1072     88:521      89:1658     90:151      91:5732     92:665    
  93:1669     94:2050     95:1484     96:537      97:352      98:1072   
  99:41      100:35      101:785     103:4288    105:534     106:166    
 107:501     108:543     109:2096    110:981     111:1255    112:620    
 113:823     114:874     115:1074    116:1039    117:884     118:1280   
 119:1312    120:353     121:789     122:1918    123:1258    124:1443   
 125:1452    128:643     129:242     130:359     131:659     132:357    
 133:157     134:320     135:74      136:247     137:310     138:345    
 139:159     140:207     141:358     142:557     143:419     144:497    
 145:99      146:600     147:455     148:794     149:340     150:150    
 151:582     152:421     153:204     154:91      155:462     156:327    
 157:368     158:220     159:866     160:355     161:475     162:1193   
 163:217     164:681     165:611     166:281     167:597     168:1044   
 169:125     170:1198    171:195     172:18      173:1641    174:679    
 175:589     176:1470    177:2783    178:1980    179:537     180:1630   
 181:997     182:1451    183:495     184:698     185:1314    186:2816   
 187:1447    188:1987    189:1293    190:7468    191:108     192:7110   
 193:5442    194:4011    195:3366    196:1331    197:1103    198:4921   
 199:5572    200:6051    201:2666    202:8961    203:8889    204:4656   
 205:2659    206:2911    207:2881    208:3979    209:3707    210:3085   
 211:1699    212:2218    213:1996    214:879     215:84      216:5500   
 217:1708    218:565     219:320     220:1293    221:595     222:336    
 223:604    

End of report


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