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Routing Table Report 04:00 +10GMT Thu 29 Jun, 2006
Analysis Summary ----------------
BGP routing table entries examined: 190847 Prefixes after maximum aggregation: 105290 Unique aggregates announced to Internet: 93556 Total ASes present in the Internet Routing Table: 22541 Origin-only ASes present in the Internet Routing Table: 19614 Origin ASes announcing only one prefix: 9404 Transit ASes present in the Internet Routing Table: 2927 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (32609) 16 Prefixes from unregistered ASNs in the Routing Table: 4 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1533779944 Equivalent to 91 /8s, 107 /16s and 159 /24s Percentage of available address space announced: 41.4 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94363
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 40943 Total APNIC prefixes after maximum aggregation: 16937 Prefixes being announced from the APNIC address blocks: 38656 Unique aggregates announced from the APNIC address blocks: 18417 APNIC Region origin ASes present in the Internet Routing Table: 2619 APNIC Region origin ASes announcing only one prefix: 746 APNIC Region transit ASes present in the Internet Routing Table: 399 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 230553952 Equivalent to 13 /8s, 189 /16s and 249 /24s Percentage of available APNIC address space announced: 72.1
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, 121/8, 122/7, 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: 97692 Total ARIN prefixes after maximum aggregation: 58074 Prefixes being announced from the ARIN address blocks: 71530 Unique aggregates announced from the ARIN address blocks: 26999 ARIN Region origin ASes present in the Internet Routing Table: 10796 ARIN Region origin ASes announcing only one prefix: 4078 ARIN Region transit ASes present in the Internet Routing Table: 986 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 294815744 Equivalent to 17 /8s, 146 /16s and 136 /24s Percentage of available ARIN address space announced: 76.4
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 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 38319 Total RIPE prefixes after maximum aggregation: 25652 Prefixes being announced from the RIPE address blocks: 35374 Unique aggregates announced from the RIPE address blocks: 23879 RIPE Region origin ASes present in the Internet Routing Table: 8200 RIPE Region origin ASes announcing only one prefix: 4300 RIPE Region transit ASes present in the Internet Routing Table: 1352 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 254908548 Equivalent to 15 /8s, 49 /16s and 152 /24s Percentage of available RIPE address space announced: 80.0
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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 11624 Total LACNIC prefixes after maximum aggregation: 3728 Prefixes being announced from the LACNIC address blocks: 9748 Unique aggregates announced from the LACNIC address blocks: 5574 LACNIC Region origin ASes present in the Internet Routing Table: 703 LACNIC Region origin ASes announcing only one prefix: 235 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 28018176 Equivalent to 1 /8s, 171 /16s and 134 /24s Percentage of available LACNIC address space announced: 41.8
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: 2265 Total AfriNIC prefixes after maximum aggregation: 899 Prefixes being announced from the AfriNIC address blocks: 1521 Unique aggregates announced from the AfriNIC address blocks: 949 AfriNIC Region origin ASes present in the Internet Routing Table: 159 AfriNIC Region origin ASes announcing only one prefix: 45 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4145152 Equivalent to 0 /8s, 63 /16s and 64 /24s Percentage of available AfriNIC address space announced: 12.4
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 1241 7286 228 CHINANET-BACKBONE 4755 940 258 74 Videsh Sanchar Nigam Ltd. Aut 9583 907 109 15 Sify Limited 4766 689 4435 303 Korea Telecom (KIX) 9498 653 211 67 BHARTI BT INTERNET LTD. 1221 612 1668 470 Telstra Pty Ltd 7545 546 124 70 TPG Internet Pty Ltd 17676 490 7093 110 Softbank BB Corp. 17488 487 30 40 Hathway IP Over Cable Interne 9443 452 111 83 Primus Telecommunications 18101 421 85 24 Reliance Infocom Ltd Internet 17557 389 30 170 Pakistan Telecom 4802 382 81 169 Wantree Development 17974 380 129 14 PT TELEKOMUNIKASI INDONESIA 2907 335 1733 311 SINET Japan 9929 330 255 61 China Netcom Corp. 7474 297 211 227 SingTel Optus Pty Ltd 10139 281 19 5 Meridian Telekoms 4837 279 3085 123 chinanet IDC center beijing n 9800 276 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1482 6264 946 AT&T WorldNet Services 4323 1320 744 263 Time Warner Telecom 721 1022 21998 314 DLA Systems Automation Center 6197 1014 636 477 BellSouth Network Solutions, 174 961 5771 896 Cogent Communications 18566 945 272 8 Covad Communications 701 943 6754 779 UUNET Technologies, Inc. 2386 917 560 711 AT&T Data Communications Serv 1239 845 2788 600 Sprint 19262 718 2152 187 Verizon Global Networks 20115 713 619 381 Charter Communications 209 696 3683 551 Qwest 22773 668 1741 40 Cox Communications, Inc. 7011 646 217 410 Citizens Utilities 11492 642 89 10 Cable One 6198 603 568 237 BellSouth Network Solutions, 852 583 1084 382 Telus Advanced Communications 855 571 247 74 Canadian Research Network 19916 563 49 54 OLM LLC 5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 569 1954 448 UUNET - Commercial IP service 3301 312 1327 297 TeliaNet Sweden 3352 305 1643 30 Ibernet, Internet Access Netw 3320 287 3989 241 Deutsche Telekom AG 8220 275 470 264 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 239 90 214 Dynamic Network Technologies, 3246 225 462 216 Song Networks 8708 217 276 203 Romania Data Systems S.A. 24863 215 42 10 LINKdotNET AS number 8551 209 198 29 Bezeq International 3269 202 2184 73 TELECOM ITALIA 3215 201 1720 96 France Telecom Transpac 30890 199 18 76 SC Kappa Invexim SRL 1257 194 741 166 SWIPnet Swedish IP Network 8866 187 37 15 Bulgarian Telecommunication C 6830 175 813 37 UPC Distribution Services 786 169 1778 169 The JANET IP Service 3300 169 171 98 AUCS Communications Services 12479 161 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 724 1114 225 UniNet S.A. de C.V. 22047 418 174 11 VTR PUNTO NET S.A. 11172 354 111 84 Servicios Alestra S.A de C.V 16814 328 20 7 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 14117 207 13 7 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 176 82 24 Telecom Argentina Stet-France 6503 172 151 84 AVANTEL, S.A. 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19169 128 8 24 Telconet 19429 127 68 41 E.T.B. 14259 119 10 15 GTD Internet S.A. 14522 116 18 9 SatNet S.A. 23216 114 21 9 RAMtelecom Telecomunicaciones 6505 109 88 79 Global One Communicaoes Ltda 7738 105 410 20 Telecomunicacoes da Bahia S.A 7910 105 7 10 ANDINET ON LINE 5639 103 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 287 803 234 The Internet Solution 8452 167 60 7 TEDATA 6713 154 135 11 Itissalat Al-MAGHRIB 2018 131 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 15475 113 84 4 Nile Online 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 69 139 60 The Internetworking Company o 20928 60 16 3 Noor Advanced Technologies AS 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 31 7 21 AS Number for Telecom Algeria 12455 24 6 3 Jambonet Autonomous system 16637 24 14 22 Johnnic e-Ventures 21280 23 4 4 Swift Global Kenya Ltd.Is an 23889 23 8 11 MAURITIUS TELECOM 8524 22 1 5 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1320 1057 Time Warner Telecom 4134 1241 1013 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 907 892 Sify Limited 4755 940 866 Videsh Sanchar Nigam Ltd. Aut 721 1022 708 DLA Systems Automation Center 11492 642 632 Cable One 22773 668 628 Cox Communications, Inc. 9498 653 586 BHARTI BT INTERNET LTD. 6197 1014 537 BellSouth Network Solutions, 19262 718 531 Verizon Global Networks 19916 563 509 OLM LLC 5668 529 506 CenturyTel Internet Holdings, 8151 724 499 UniNet S.A. de C.V. 855 571 497 Canadian Research Network 7545 546 476 TPG Internet Pty Ltd 17488 487 447 Hathway IP Over Cable Interne 3602 526 422 Sprint Canada, Inc. 22047 418 407 VTR PUNTO NET S.A. 15270 439 406 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 65535 PRIVATE 202.136.215.0/24 24141 Shanghai DMT Informa 65535 PRIVATE 202.136.217.0/24 24141 Shanghai DMT Informa 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 192.84.205.0/24 719 LANLINK autonomous system 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 /8:17 /9:9 /10:9 /11:28 /12:93 /13:201 /14:364 /15:714 /16:8864 /17:3275 /18:5398 /19:11784 /20:13396 /21:11665 /22:14823 /23:15897 /24:103233 /25:384 /26:292 /27:181 /28:63 /29:63 /30:55 /31:0 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 928 945 Covad Communications 6197 794 1014 BellSouth Network Solutions, 7018 790 1482 AT&T WorldNet Services 9583 737 907 Sify Limited 4323 643 1320 Time Warner Telecom 2386 634 917 AT&T Data Communications Serv 11492 630 642 Cable One 19916 557 563 OLM LLC 7011 555 646 Citizens Utilities 4766 500 689 Korea Telecom (KIX) 855 445 571 Canadian Research Network 6198 445 603 BellSouth Network Solutions, 5668 412 529 CenturyTel Internet Holdings, 15270 408 439 PaeTec.net -a division of Pae 1239 389 845 Sprint 9498 377 653 BHARTI BT INTERNET LTD. 4755 374 940 Videsh Sanchar Nigam Ltd. Aut 6517 364 395 Yipes Communications, Inc. 8151 358 724 UniNet S.A. de C.V. 702 353 569 UUNET - Commercial IP service
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:42 12:1612 13:1 15:16 16:3 17:3 18:4 20:41 24:768 25:1 32:58 38:229 40:54 41:3 44:3 47:6 52:4 55:1 56:3 57:26 58:187 59:241 60:179 61:868 62:806 63:1886 64:3179 65:2244 66:3135 67:617 68:678 69:1525 70:385 71:86 72:798 74:50 75:1 80:771 81:645 82:628 83:398 84:376 85:560 86:388 87:367 88:107 89:295 121:1 122:2 123:1 124:168 125:496 128:143 129:189 130:119 131:313 132:33 133:8 134:160 135:48 136:178 137:83 138:206 139:55 140:522 141:134 142:383 143:168 144:224 145:39 146:320 147:137 148:336 149:190 150:114 151:93 152:69 153:106 154:5 155:201 156:183 157:145 158:166 159:171 160:92 161:77 162:245 163:158 164:181 165:211 166:172 167:243 168:494 169:128 170:353 171:14 183:1 190:80 192:5729 193:3356 194:2647 195:1936 196:853 198:3962 199:3235 200:4474 201:1001 202:6696 203:6997 204:3909 205:2042 206:2423 207:2918 208:2158 209:3398 210:2025 211:712 212:1256 213:1479 214:360 215:41 216:3999 217:1172 218:294 219:234 220:730 221:364 222:188
End of report
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