[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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