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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 28 19:02:52 CET 2007
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 29 Dec, 2007 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 241684 Prefixes after maximum aggregation: 123919 Deaggregation factor: 1.95 Unique aggregates announced to Internet: 117876 Total ASes present in the Internet Routing Table: 26983 Prefixes per ASN: 8.96 Origin-only ASes present in the Internet Routing Table: 23493 Origin ASes announcing only one prefix: 11440 Transit ASes present in the Internet Routing Table: 3490 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: 19 Max AS path prepend of ASN (29642) 15 Prefixes from unregistered ASNs in the Routing Table: 11 Unregistered ASNs in the Routing Table: 11 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: 12 Number of addresses announced to Internet: 1798626608 Equivalent to 107 /8s, 52 /16s and 221 /24s Percentage of available address space announced: 48.5 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 78.2 Total number of prefixes smaller than registry allocations: 113437 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 50697 Total APNIC prefixes after maximum aggregation: 18877 APNIC Deaggregation factor: 2.69 Prefixes being announced from the APNIC address blocks: 53003 Unique aggregates announced from the APNIC address blocks: 23616 APNIC Region origin ASes present in the Internet Routing Table: 3034 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 805 APNIC Region transit ASes present in the Internet Routing Table: 439 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 324335920 Equivalent to 19 /8s, 84 /16s and 249 /24s Percentage of available APNIC address space announced: 74.2 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, 114/7, 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: 138194 Total ARIN prefixes after maximum aggregation: 73687 ARIN Deaggregation factor: 1.88 Prefixes being announced from the ARIN address blocks: 83362 Unique aggregates announced from the ARIN address blocks: 33097 ARIN Region origin ASes present in the Internet Routing Table: 12769 ARIN Prefixes per ASN: 6.53 ARIN Region origin ASes announcing only one prefix: 4789 ARIN Region transit ASes present in the Internet Routing Table: 1353 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 356090560 Equivalent to 21 /8s, 57 /16s and 130 /24s Percentage of available ARIN address space announced: 78.6 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: 49259 Total RIPE prefixes after maximum aggregation: 30053 RIPE Deaggregation factor: 1.64 Prefixes being announced from the RIPE address blocks: 47770 Unique aggregates announced from the RIPE address blocks: 31638 RIPE Region origin ASes present in the Internet Routing Table: 10612 RIPE Prefixes per ASN: 4.50 RIPE Region origin ASes announcing only one prefix: 5624 RIPE Region transit ASes present in the Internet Routing Table: 1627 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 339676032 Equivalent to 20 /8s, 63 /16s and 11 /24s Percentage of available RIPE address space announced: 77.9 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 40960-45055 RIPE Address Blocks 62/8, 77/8, 78/7, 80/4, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 3272 Total LACNIC prefixes after maximum aggregation: 1155 LACNIC Deaggregation factor: 2.83 Prefixes being announced from the LACNIC address blocks: 16321 Unique aggregates announced from the LACNIC address blocks: 8984 LACNIC Region origin ASes present in the Internet Routing Table: 425 LACNIC Prefixes per ASN: 38.40 LACNIC Region origin ASes announcing only one prefix: 188 LACNIC Region transit ASes present in the Internet Routing Table: 34 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 47126272 Equivalent to 2 /8s, 207 /16s and 23 /24s Percentage of available LACNIC address space announced: 46.8 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/7, 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 243 Total AfriNIC prefixes after maximum aggregation: 131 AfriNIC Deaggregation factor: 1.85 Prefixes being announced from the AfriNIC address blocks: 2495 Unique aggregates announced from the AfriNIC address blocks: 1452 AfriNIC Region origin ASes present in the Internet Routing Table: 71 AfriNIC Prefixes per ASN: 35.14 AfriNIC Region origin ASes announcing only one prefix: 34 AfriNIC Region transit ASes present in the Internet Routing Table: 3 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 8213248 Equivalent to 0 /8s, 125 /16s and 83 /24s Percentage of available AfriNIC address space announced: 24.5 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 1507 383 71 Videsh Sanchar Nigam Ltd. Aut 9583 1101 82 433 Sify Limited 9498 1064 549 61 BHARTI BT INTERNET LTD. 17488 936 60 84 Hathway IP Over Cable Interne 4766 829 5495 340 Korea Telecom (KIX) 23577 810 34 690 Korea Telecom (ATM-MPLS) 18101 611 120 59 Reliance Infocom Ltd Internet 9829 589 449 11 BSNL National Internet Backbo 7545 582 147 98 TPG Internet Pty Ltd 4812 529 874 82 China Telecom (Shanghai) 4808 523 799 122 CNCGROUP IP network: China169 4668 520 68 10 LG-EDS Systems Inc. 17676 505 10919 64 Softbank BB Corp. 4802 470 128 151 Wantree Development 9443 438 121 69 Primus Telecommunications 17974 399 145 17 PT TELEKOMUNIKASI INDONESIA 7474 387 202 273 SingTel Optus Pty Ltd 4837 366 5072 178 chinanet IDC center beijing n 9929 329 189 50 China Netcom Corp. 17557 323 55 178 Pakistan Telecom ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1481 6106 1005 AT&T WorldNet Services 4323 1387 1009 360 Time Warner Telecom 2386 1340 635 815 AT&T Data Communications Serv 11492 1202 134 15 Cable One 8151 1148 2390 220 UniNet S.A. de C.V. 6478 1090 330 161 AT&T Worldnet Services 18566 1036 288 9 Covad Communications 6197 1026 721 510 BellSouth Network Solutions, 7011 1008 297 588 Citizens Utilities 4134 980 11601 305 CHINANET-BACKBONE 174 971 6831 823 Cogent Communications 701 900 6496 707 UUNET Technologies, Inc. 19262 865 3127 177 Verizon Global Networks 20115 858 793 465 Charter Communications 3356 838 10906 416 Level 3 Communications, LLC 22773 835 2140 59 Cox Communications, Inc. 1239 790 2670 549 Sprint 209 755 3785 599 Qwest 5668 662 176 18 CenturyTel Internet Holdings, 6140 602 109 151 ImpSat RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 409 1654 368 TDC Tele Danmark 24863 400 60 36 LINKdotNET AS number 3301 323 1458 297 TeliaNet Sweden 3320 316 6019 262 Deutsche Telekom AG 8452 284 188 7 TEDATA 8551 277 266 40 Bezeq International 8866 277 78 24 Bulgarian Telecommunication C 3215 270 2583 92 France Telecom Transpac 6746 270 128 249 Dynamic Network Technologies, 8708 270 420 242 Romania Data Systems S.A. 8220 243 423 229 COLT Telecommunications 9116 242 184 28 Goldenlines main autonomous s 3352 238 1948 40 Ibernet, Internet Access Netw 3269 231 3037 68 TELECOM ITALIA 9155 230 43 10 QualityNet AS number 5462 229 666 27 Telewest Broadband 3300 211 172 100 AUCS Communications Services 9121 211 1444 26 TTnet Autonomous System 20858 201 34 3 EgyNet 29357 199 17 4 WATANIYA TELECOM LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 28573 229 321 29 NET Servicos de Comunicao S.A 26608 121 23 19 SkyOnline do Brasil Ltda 27747 85 20 4 Types of queries are: POCs, o 27757 80 11 10 ANDINATEL S.A. 26622 68 7 16 SIM TELECOMUNICACOES LTDA 26603 62 4 7 Comercial Dinamica 27699 55 488 26 TELECOMUNICACOES DE SAO PAULO 27798 54 4 4 COSTAVISION S.A. 28580 52 4 4 Cilnet Comunicacoes e Informa 27833 50 6 2 BVNET S.A. 26619 47 4 26 Flycom Comunicaciones 26613 44 3 13 EasyNet S.A. 27696 43 4 15 Multidata S.A. 27845 43 4 10 Empresa Regional de Telecomun 28571 42 58 41 Universidade de Sao Paulo - U 27768 41 6 24 CO.PA.CO. 28611 41 5 4 614 TVC INTERIOR S/A 26596 36 6 4 SUPERCABLE TELECOMUNICACIONES 28640 35 4 3 VIPWay Serviços de Telecomuni 27715 34 4 2 LocaWeb Ltda AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36897 16 1 1 Aerosat Internet Service Prov 36898 15 2 3 UniNet Communications 36925 12 2 3 Meditelecom 36954 12 1 5 Multi-Links Telecommunication 36865 10 2 2 ASN for Teledata Mozambique 36866 10 1 4 Jamii Telecommunications Limi 36917 10 1 2 ACS | Angola Comunicacoes & S 36915 8 2 2 Africa Online Kenya 36864 7 1 1 AFRIBONE Mali SA 36877 7 2 3 MWEB 36911 7 2 5 DIRECT ON PC LTD HUB 36889 6 1 2 DotCoZa 36890 6 1 4 MTN RwandaCell 36950 6 0 3 Tropcon Comunicacoes LDA 36992 6 1 4 Etisalat MISR 36888 5 1 2 Net Afrique Dotcom Ltd. 36935 5 3 5 Vodafone Egypt Telecommunicat 36874 4 11 4 Cybersmart 36934 4 16 4 Artel International 36958 4 0 3 Atlas Cable & Wireless Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 11492 1202 1187 Cable One 4323 1387 1027 Time Warner Telecom 18566 1036 1027 Covad Communications 9498 1064 1003 BHARTI BT INTERNET LTD. 6478 1090 929 AT&T Worldnet Services 8151 1148 928 UniNet S.A. de C.V. 17488 936 852 Hathway IP Over Cable Interne 22773 835 776 Cox Communications, Inc. 19262 865 688 Verizon Global Networks 4134 980 675 CHINANET-BACKBONE 9583 1101 668 Sify Limited 5668 662 644 CenturyTel Internet Holdings, 9829 589 578 BSNL National Internet Backbo 6517 596 560 Yipes Communications, Inc. 18101 611 552 Reliance Infocom Ltd Internet 15270 596 544 PaeTec.net -a division of Pae 11830 545 536 Instituto Costarricense de El 2386 1340 525 AT&T Data Communications Serv 19916 563 521 OLM LLC 6197 1026 516 BellSouth Network Solutions, List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 43185 UNALLOCATED 77.95.208.0/21 12779 ITGATE.Net 65068 PRIVATE 79.171.184.0/21 43895 * 65500 PRIVATE 83.142.233.0/24 20516 LuckyNet Israel 65364 PRIVATE 190.144.163.0/24 14080 FIRSTCOM COLOMBIA 65389 PRIVATE 190.144.166.0/24 14080 FIRSTCOM COLOMBIA 65394 PRIVATE 190.144.167.0/24 14080 FIRSTCOM COLOMBIA 65403 PRIVATE 190.144.168.0/24 14080 FIRSTCOM COLOMBIA 65375 PRIVATE 190.144.175.0/24 14080 FIRSTCOM COLOMBIA 65201 PRIVATE 202.112.49.0/24 4538 China Education and 65201 PRIVATE 202.112.50.0/24 4538 China Education and 65201 PRIVATE 202.112.57.0/24 4538 China Education and Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 31.31.31.0/24 9730 The Best ISP to go Multimedia 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 173.173.173.0/24 9730 The Best ISP to go Multimedia 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 /8:18 /9:9 /10:15 /11:40 /12:135 /13:271 /14:487 /15:971 /16:9742 /17:4196 /18:6901 /19:14893 /20:17065 /21:16127 /22:20228 /23:21221 /24:126749 /25:872 /26:1088 /27:549 /28:92 /29:8 /30:1 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 11492 1192 1202 Cable One 6478 1089 1090 AT&T Worldnet Services 2386 1036 1340 AT&T Data Communications Serv 18566 1018 1036 Covad Communications 9583 946 1101 Sify Limited 7011 893 1008 Citizens Utilities 4755 872 1507 Videsh Sanchar Nigam Ltd. Aut 7018 815 1481 AT&T WorldNet Services 23577 801 810 Korea Telecom (ATM-MPLS) 6197 772 1026 BellSouth Network Solutions, 9498 752 1064 BHARTI BT INTERNET LTD. 17488 751 936 Hathway IP Over Cable Interne 4766 613 829 Korea Telecom (KIX) 4323 594 1387 Time Warner Telecom 15270 558 596 PaeTec.net -a division of Pae 19916 558 563 OLM LLC 6517 557 596 Yipes Communications, Inc. 5668 521 662 CenturyTel Internet Holdings, 4668 510 520 LG-EDS Systems Inc. 18101 504 611 Reliance Infocom Ltd Internet Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:96 12:1930 13:2 15:21 16:3 17:6 18:14 20:35 24:1019 25:1 31:1 32:61 33:4 38:370 40:69 41:431 44:2 47:8 52:3 55:3 56:3 57:21 58:508 59:412 60:399 61:985 62:1047 63:1979 64:3303 65:2361 66:3576 67:1018 68:643 69:2071 70:464 71:105 72:1466 73:7 74:808 75:270 76:175 77:478 78:408 79:65 80:898 81:791 82:556 83:370 84:544 85:907 86:366 87:595 88:292 89:1062 90:39 91:864 92:55 93:2 96:2 97:7 98:25 114:1 115:1 116:454 117:231 118:68 119:41 121:381 122:666 123:229 124:760 125:1060 128:311 129:185 130:136 131:388 132:68 133:9 134:194 135:34 136:193 137:85 138:146 139:71 140:516 141:126 142:375 143:260 144:321 145:51 146:333 147:128 148:476 149:186 150:116 151:129 152:95 153:127 154:11 155:279 156:200 157:244 158:165 159:210 160:192 161:99 162:198 163:186 164:561 165:409 166:291 167:308 168:550 169:129 170:420 171:29 172:3 173:1 189:138 190:1328 192:5734 193:4060 194:3248 195:2328 196:956 198:3807 199:3226 200:5351 201:1310 202:7433 203:7814 204:3978 205:2043 206:2418 207:2750 208:3071 209:3581 210:2504 211:1110 212:1247 213:1599 214:440 215:45 216:4105 217:1216 218:329 219:402 220:1006 221:407 222:294 End of report
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