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@lists.apnic.net If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 01 Jul, 2006 Analysis Summary ---------------- BGP routing table entries examined: 191157 Prefixes after maximum aggregation: 105349 Unique aggregates announced to Internet: 93642 Total ASes present in the Internet Routing Table: 22571 Origin-only ASes present in the Internet Routing Table: 19635 Origin ASes announcing only one prefix: 9426 Transit ASes present in the Internet Routing Table: 2936 Transit-only ASes present in the Internet Routing Table: 63 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: 2 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1538359784 Equivalent to 91 /8s, 177 /16s and 129 /24s Percentage of available address space announced: 41.5 Percentage of allocated address space announced: 60.0 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94478 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 41147 Total APNIC prefixes after maximum aggregation: 16948 Prefixes being announced from the APNIC address blocks: 38854 Unique aggregates announced from the APNIC address blocks: 18463 APNIC Region origin ASes present in the Internet Routing Table: 2619 APNIC Region origin ASes announcing only one prefix: 745 APNIC Region transit ASes present in the Internet Routing Table: 397 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 234924896 Equivalent to 14 /8s, 0 /16s and 171 /24s Percentage of available APNIC address space announced: 73.5 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: 97722 Total ARIN prefixes after maximum aggregation: 58080 Prefixes being announced from the ARIN address blocks: 71582 Unique aggregates announced from the ARIN address blocks: 27003 ARIN Region origin ASes present in the Internet Routing Table: 10808 ARIN Region origin ASes announcing only one prefix: 4083 ARIN Region transit ASes present in the Internet Routing Table: 991 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 294963200 Equivalent to 17 /8s, 148 /16s and 200 /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: 38343 Total RIPE prefixes after maximum aggregation: 25693 Prefixes being announced from the RIPE address blocks: 35391 Unique aggregates announced from the RIPE address blocks: 23902 RIPE Region origin ASes present in the Internet Routing Table: 8219 RIPE Region origin ASes announcing only one prefix: 4320 RIPE Region transit ASes present in the Internet Routing Table: 1357 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 255037316 Equivalent to 15 /8s, 51 /16s and 143 /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: 11678 Total LACNIC prefixes after maximum aggregation: 3726 Prefixes being announced from the LACNIC address blocks: 9808 Unique aggregates announced from the LACNIC address blocks: 5588 LACNIC Region origin ASes present in the Internet Routing Table: 705 LACNIC Region origin ASes announcing only one prefix: 235 LACNIC Region transit ASes present in the Internet Routing Table: 135 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 28064256 Equivalent to 1 /8s, 172 /16s and 58 /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: 902 Prefixes being announced from the AfriNIC address blocks: 1522 Unique aggregates announced from the AfriNIC address blocks: 951 AfriNIC Region origin ASes present in the Internet Routing Table: 157 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4157952 Equivalent to 0 /8s, 63 /16s and 114 /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 1243 7294 224 CHINANET-BACKBONE 4755 945 258 75 Videsh Sanchar Nigam Ltd. Aut 9583 917 109 15 Sify Limited 4766 689 4435 303 Korea Telecom (KIX) 9498 681 211 68 BHARTI BT INTERNET LTD. 1221 613 1668 470 Telstra Pty Ltd 7545 547 124 71 TPG Internet Pty Ltd 17488 519 32 17 Hathway IP Over Cable Interne 17676 490 7093 110 Softbank BB Corp. 9443 452 111 83 Primus Telecommunications 18101 421 85 24 Reliance Infocom Ltd Internet 17557 383 30 173 Pakistan Telecom 4802 382 81 169 Wantree Development 17974 382 129 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 283 19 5 Meridian Telekoms 4837 280 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 6262 944 AT&T WorldNet Services 4323 1330 745 266 Time Warner Telecom 721 1022 21998 314 DLA Systems Automation Center 6197 1013 636 481 BellSouth Network Solutions, 174 960 5771 894 Cogent Communications 18566 945 272 8 Covad Communications 701 944 6754 779 UUNET Technologies, Inc. 2386 917 560 711 AT&T Data Communications Serv 1239 843 2782 599 Sprint 19262 719 2168 188 Verizon Global Networks 20115 713 619 381 Charter Communications 209 699 3683 552 Qwest 22773 670 1741 40 Cox Communications, Inc. 7011 647 217 411 Citizens Utilities 11492 642 89 10 Cable One 6198 600 568 236 BellSouth Network Solutions, 852 582 1084 382 Telus Advanced Communications 855 573 247 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 702 566 1948 445 UUNET - Commercial IP service 3301 312 1327 297 TeliaNet Sweden 3352 305 1643 30 Ibernet, Internet Access Netw 3320 284 3988 238 Deutsche Telekom AG 8220 276 470 265 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 239 90 214 Dynamic Network Technologies, 3246 230 463 220 Song Networks 24863 215 42 10 LINKdotNET AS number 8708 214 276 203 Romania Data Systems S.A. 8551 209 198 29 Bezeq International 3215 202 1728 96 France Telecom Transpac 3269 202 2184 73 TELECOM ITALIA 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 3300 169 171 98 AUCS Communications Services 786 166 1762 166 The JANET IP Service 12479 161 322 5 Uni2 Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 714 1114 225 UniNet S.A. de C.V. 22047 419 174 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. 6503 180 151 84 AVANTEL, S.A. 7303 176 82 25 Telecom Argentina Stet-France 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 129 68 42 E.T.B. 19169 128 8 24 Telconet 14259 119 10 15 GTD Internet S.A. 14522 117 18 9 SatNet S.A. 23216 115 21 9 RAMtelecom Telecomunicaciones 6505 109 88 79 Global One Communicaoes Ltda 7738 106 410 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 168 60 7 TEDATA 6713 154 135 11 Itissalat Al-MAGHRIB 2018 131 314 105 Tertiary Education Network 5536 120 8 21 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 16637 25 18 23 Johnnic e-Ventures 12455 23 6 3 Jambonet Autonomous system 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 1330 1064 Time Warner Telecom 4134 1243 1019 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 917 902 Sify Limited 4755 945 870 Videsh Sanchar Nigam Ltd. Aut 721 1022 708 DLA Systems Automation Center 11492 642 632 Cable One 22773 670 630 Cox Communications, Inc. 9498 681 613 BHARTI BT INTERNET LTD. 6197 1013 532 BellSouth Network Solutions, 19262 719 531 Verizon Global Networks 19916 563 509 OLM LLC 5668 529 506 CenturyTel Internet Holdings, 17488 519 502 Hathway IP Over Cable Interne 855 573 499 Canadian Research Network 8151 714 489 UniNet S.A. de C.V. 7545 547 476 TPG Internet Pty Ltd 3602 525 421 Sprint Canada, Inc. 22047 419 408 VTR PUNTO NET S.A. 15270 440 407 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 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 /10:10 /11:28 /12:93 /13:201 /14:364 /15:714 /16:8861 /17:3283 /18:5413 /19:11801 /20:13418 /21:11686 /22:14848 /23:15929 /24:103384 /25:389 /26:295 /27:179 /28:65 /29:74 /30:56 /31:0 /32:40 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 928 945 Covad Communications 6197 793 1013 BellSouth Network Solutions, 7018 791 1482 AT&T WorldNet Services 9583 747 917 Sify Limited 4323 644 1330 Time Warner Telecom 2386 634 917 AT&T Data Communications Serv 11492 630 642 Cable One 19916 557 563 OLM LLC 7011 556 647 Citizens Utilities 4766 500 689 Korea Telecom (KIX) 855 447 573 Canadian Research Network 6198 442 600 BellSouth Network Solutions, 5668 412 529 CenturyTel Internet Holdings, 15270 409 440 PaeTec.net -a division of Pae 1239 388 843 Sprint 9498 383 681 BHARTI BT INTERNET LTD. 4755 376 945 Videsh Sanchar Nigam Ltd. Aut 6517 367 398 Yipes Communications, Inc. 22773 352 670 Cox Communications, Inc. 702 351 566 UUNET - Commercial IP service Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:42 12:1611 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 58:184 59:246 60:184 61:848 62:807 63:1890 64:3172 65:2246 66:3119 67:619 68:675 69:1523 70:387 71:85 72:798 74:50 75:1 80:778 81:647 82:629 83:393 84:374 85:560 86:390 87:378 88:108 89:300 121:2 122:2 123:1 124:176 125:529 128:140 129:189 130:119 131:312 132:34 133:8 134:160 135:48 136:178 137:83 138:207 139:55 140:485 141:136 142:385 143:168 144:224 145:39 146:320 147:137 148:342 149:191 150:114 151:94 152:69 153:106 154:5 155:206 156:183 157:145 158:167 159:171 160:90 161:77 162:245 163:159 164:184 165:211 166:172 167:243 168:493 169:128 170:352 171:14 183:1 190:81 192:5729 193:3365 194:2649 195:1934 196:854 198:3957 199:3232 200:4508 201:996 202:6718 203:7064 204:3898 205:2044 206:2429 207:2923 208:2161 209:3392 210:2061 211:707 212:1221 213:1486 214:363 215:41 216:4012 217:1168 218:294 219:240 220:731 221:362 222:188 End of report