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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jul 4 20:07:20 CEST 2008
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 05 Jul, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 262004 Prefixes after maximum aggregation: 128698 Deaggregation factor: 2.04 Unique aggregates announced to Internet: 127630 Total ASes present in the Internet Routing Table: 28612 Prefixes per ASN: 9.16 Origin-only ASes present in the Internet Routing Table: 24946 Origin ASes announcing only one prefix: 12067 Transit ASes present in the Internet Routing Table: 3666 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN ( 3816) 15 Prefixes from unregistered ASNs in the Routing Table: 602 Unregistered ASNs in the Routing Table: 219 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 782 Number of addresses announced to Internet: 1870051040 Equivalent to 111 /8s, 118 /16s and 182 /24s Percentage of available address space announced: 50.5 Percentage of allocated address space announced: 61.3 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.5 Total number of prefixes smaller than registry allocations: 127674 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 59872 Total APNIC prefixes after maximum aggregation: 22374 APNIC Deaggregation factor: 2.68 Prefixes being announced from the APNIC address blocks: 56863 Unique aggregates announced from the APNIC address blocks: 25353 APNIC Region origin ASes present in the Internet Routing Table: 3294 APNIC Prefixes per ASN: 17.26 APNIC Region origin ASes announcing only one prefix: 874 APNIC Region transit ASes present in the Internet Routing Table: 510 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 14 Number of APNIC addresses announced to Internet: 361818656 Equivalent to 21 /8s, 144 /16s and 234 /24s Percentage of available APNIC address space announced: 77.0 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 120497 Total ARIN prefixes after maximum aggregation: 65111 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 90125 Unique aggregates announced from the ARIN address blocks: 34734 ARIN Region origin ASes present in the Internet Routing Table: 12250 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4735 ARIN Region transit ASes present in the Internet Routing Table: 1147 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 353744160 Equivalent to 21 /8s, 21 /16s and 181 /24s Percentage of available ARIN address space announced: 72.7 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 ARIN Address Blocks 24/8, 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, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 56354 Total RIPE prefixes after maximum aggregation: 34296 RIPE Deaggregation factor: 1.64 Prefixes being announced from the RIPE address blocks: 51567 Unique aggregates announced from the RIPE address blocks: 34588 RIPE Region origin ASes present in the Internet Routing Table: 11569 RIPE Prefixes per ASN: 4.46 RIPE Region origin ASes announcing only one prefix: 6068 RIPE Region transit ASes present in the Internet Routing Table: 1748 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 364791936 Equivalent to 21 /8s, 190 /16s and 72 /24s Percentage of available RIPE address space announced: 83.6 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, 47104-48127 RIPE Address Blocks 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 20593 Total LACNIC prefixes after maximum aggregation: 5225 LACNIC Deaggregation factor: 3.94 Prefixes being announced from the LACNIC address blocks: 18745 Unique aggregates announced from the LACNIC address blocks: 10567 LACNIC Region origin ASes present in the Internet Routing Table: 963 LACNIC Prefixes per ASN: 19.47 LACNIC Region origin ASes announcing only one prefix: 313 LACNIC Region transit ASes present in the Internet Routing Table: 160 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 52976384 Equivalent to 3 /8s, 40 /16s and 91 /24s Percentage of available LACNIC address space announced: 52.6 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 4089 Total AfriNIC prefixes after maximum aggregation: 1202 AfriNIC Deaggregation factor: 3.40 Prefixes being announced from the AfriNIC address blocks: 4368 Unique aggregates announced from the AfriNIC address blocks: 1885 AfriNIC Region origin ASes present in the Internet Routing Table: 243 AfriNIC Prefixes per ASN: 17.98 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 48 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12239104 Equivalent to 0 /8s, 186 /16s and 193 /24s Percentage of available AfriNIC address space announced: 36.5 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 4755 1664 341 173 Videsh Sanchar Nigam Ltd. Aut 17488 1188 82 91 Hathway IP Over Cable Interne 9583 1144 85 465 Sify Limited 9498 1093 550 63 BHARTI BT INTERNET LTD. 4766 847 6006 344 Korea Telecom (KIX) 4134 828 13427 331 CHINANET-BACKBONE 23577 825 35 705 Korea Telecom (ATM-MPLS) 4780 704 351 63 Digital United Inc. 18101 691 167 33 Reliance Infocom Ltd Internet 9829 599 450 12 BSNL National Internet Backbo Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 209 3006 3874 622 Qwest 6389 2668 3260 197 bellsouth.net, inc. 2386 1481 663 876 AT&T Data Communications Serv 4323 1469 1045 377 Time Warner Telecom 7018 1398 5823 978 AT&T WorldNet Services 6298 1304 185 750 Cox Communicatons 11492 1229 150 12 Cable One 1785 1084 510 104 AppliedTheory Corporation 18566 1045 296 10 Covad Communications 20115 1045 1060 558 Charter Communications Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 414 1792 372 TDC Tele Danmark 8452 347 188 11 TEDATA 3301 334 1460 304 TeliaNet Sweden 3320 322 7047 270 Deutsche Telekom AG 8866 319 77 21 Bulgarian Telecommunication C 5462 296 666 27 Telewest Broadband 3215 287 2758 90 France Telecom Transpac 8551 287 269 38 Bezeq International 680 274 2047 264 DFN-IP service G-WiN 6746 268 126 243 Dynamic Network Technologies, Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1295 2464 224 UniNet S.A. de C.V. 11830 604 299 9 Instituto Costarricense de El 22047 565 270 14 VTR PUNTO NET S.A. 7303 469 231 65 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 410 85 48 ENTEL CHILE S.A. 11172 410 118 70 Servicios Alestra S.A de C.V 10620 401 105 73 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 20299 335 23 98 NEWCOM AMERICAS Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 475 61 30 LINKdotNET AS number 20858 398 34 3 EgyNet 3741 274 853 225 The Internet Solution 2018 201 205 85 Tertiary Education Network 5713 155 558 93 Telkom SA Ltd 6713 143 135 11 Itissalat Al-MAGHRIB 33783 135 10 12 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 29571 102 13 8 Ci Telecom Autonomous system 33776 100 6 3 Starcomms Nigeria Limited Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 209 3006 3874 622 Qwest 6389 2668 3260 197 bellsouth.net, inc. 4755 1664 341 173 Videsh Sanchar Nigam Ltd. Aut 2386 1481 663 876 AT&T Data Communications Serv 4323 1469 1045 377 Time Warner Telecom 7018 1398 5823 978 AT&T WorldNet Services 6298 1304 185 750 Cox Communicatons 8151 1295 2464 224 UniNet S.A. de C.V. 11492 1229 150 12 Cable One 17488 1188 82 91 Hathway IP Over Cable Interne Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2668 2471 bellsouth.net, inc. 4755 1664 1491 Videsh Sanchar Nigam Ltd. Aut 11492 1229 1217 Cable One 17488 1188 1097 Hathway IP Over Cable Interne 4323 1469 1092 Time Warner Telecom 8151 1295 1071 UniNet S.A. de C.V. 18566 1045 1035 Covad Communications 9498 1093 1030 BHARTI BT INTERNET LTD. 1785 1084 980 AppliedTheory Corporation 22773 966 904 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.48.244.0/23 7843 Adelphia Corp. 24.51.159.0/24 7843 Adelphia Corp. 24.54.23.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services Complete listing at http://thyme.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 /8:18 /9:9 /10:16 /11:45 /12:144 /13:282 /14:514 /15:1040 /16:9974 /17:4341 /18:7404 /19:15773 /20:18426 /21:18088 /22:22540 /23:23453 /24:137131 /25:865 /26:1046 /27:790 /28:88 /29:9 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 209 1762 3006 Qwest 6389 1670 2668 bellsouth.net, inc. 6298 1289 1304 Cox Communicatons 11492 1209 1229 Cable One 2386 1177 1481 AT&T Data Communications Serv 18566 1026 1045 Covad Communications 4755 1013 1664 Videsh Sanchar Nigam Ltd. Aut 17488 1002 1188 Hathway IP Over Cable Interne 9583 999 1144 Sify Limited 6478 976 985 AT&T Worldnet Services Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:7 8:119 12:2082 13:2 15:22 16:3 17:5 18:13 20:35 24:1078 25:1 32:62 38:443 40:92 41:654 43:1 44:2 47:12 52:3 55:3 56:3 57:26 58:501 59:504 60:450 61:1002 62:1188 63:2026 64:3289 65:2375 66:3539 67:1228 68:712 69:2263 70:737 71:119 72:1899 73:5 74:1035 75:160 76:302 77:724 78:718 79:189 80:958 81:845 82:612 83:391 84:558 85:964 86:411 87:686 88:335 89:1296 90:14 91:1304 92:213 93:616 94:56 96:39 97:27 98:204 99:3 112:1 113:1 114:71 116:760 117:319 118:187 119:454 120:51 121:557 122:794 123:361 124:865 125:1146 128:362 129:201 130:132 131:410 132:65 133:9 134:177 135:33 136:220 137:87 138:146 139:94 140:488 141:98 142:415 143:309 144:366 145:51 146:363 147:158 148:519 149:198 150:130 151:190 152:141 153:136 154:10 155:277 156:174 157:291 158:185 159:240 160:279 161:114 162:221 163:187 164:523 165:450 166:318 167:329 168:629 169:137 170:428 171:30 172:10 188:1 189:253 190:2166 192:5793 193:4102 194:3221 195:2528 196:1066 198:3729 199:3271 200:5574 201:1469 202:7601 203:8021 204:3974 205:2126 206:2388 207:2765 208:3407 209:3516 210:2577 211:1069 212:1433 213:1629 214:154 215:49 216:4401 217:1198 218:345 219:417 220:1054 221:465 222:307 End of report
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