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 10 Jun, 2006 Analysis Summary ---------------- BGP routing table entries examined: 190168 Prefixes after maximum aggregation: 104652 Unique aggregates announced to Internet: 93198 Total ASes present in the Internet Routing Table: 22396 Origin-only ASes present in the Internet Routing Table: 19479 Origin ASes announcing only one prefix: 9338 Transit ASes present in the Internet Routing Table: 2917 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 7 Unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1543668456 Equivalent to 92 /8s, 2 /16s and 130 /24s Percentage of available address space announced: 41.6 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94114 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 40710 Total APNIC prefixes after maximum aggregation: 16880 Prefixes being announced from the APNIC address blocks: 38424 Unique aggregates announced from the APNIC address blocks: 18579 APNIC Region origin ASes present in the Internet Routing Table: 2598 APNIC Region origin ASes announcing only one prefix: 747 APNIC Region transit ASes present in the Internet Routing Table: 398 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 227781728 Equivalent to 13 /8s, 147 /16s and 172 /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, 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: 97710 Total ARIN prefixes after maximum aggregation: 57771 Prefixes being announced from the ARIN address blocks: 71728 Unique aggregates announced from the ARIN address blocks: 26653 ARIN Region origin ASes present in the Internet Routing Table: 10759 ARIN Region origin ASes announcing only one prefix: 4051 ARIN Region transit ASes present in the Internet Routing Table: 993 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 293558272 Equivalent to 17 /8s, 127 /16s and 88 /24s Percentage of available ARIN address space announced: 76.1 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: 38053 Total RIPE prefixes after maximum aggregation: 25405 Prefixes being announced from the RIPE address blocks: 35075 Unique aggregates announced from the RIPE address blocks: 23703 RIPE Region origin ASes present in the Internet Routing Table: 8129 RIPE Region origin ASes announcing only one prefix: 4266 RIPE Region transit ASes present in the Internet Routing Table: 1342 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 252474756 Equivalent to 15 /8s, 12 /16s and 117 /24s Percentage of available RIPE address space announced: 79.2 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: 11498 Total LACNIC prefixes after maximum aggregation: 3701 Prefixes being announced from the LACNIC address blocks: 9595 Unique aggregates announced from the LACNIC address blocks: 5546 LACNIC Region origin ASes present in the Internet Routing Table: 695 LACNIC Region origin ASes announcing only one prefix: 229 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: 27317760 Equivalent to 1 /8s, 160 /16s and 214 /24s Percentage of available LACNIC address space announced: 40.7 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: 2190 Total AfriNIC prefixes after maximum aggregation: 895 Prefixes being announced from the AfriNIC address blocks: 1501 Unique aggregates announced from the AfriNIC address blocks: 961 AfriNIC Region origin ASes present in the Internet Routing Table: 155 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: 3.5 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 4113152 Equivalent to 0 /8s, 62 /16s and 195 /24s Percentage of available AfriNIC address space announced: 12.3 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 1242 7204 228 CHINANET-BACKBONE 4755 931 259 74 Videsh Sanchar Nigam Ltd. Aut 9583 903 109 16 Sify Limited 4766 690 4435 304 Korea Telecom (KIX) 1221 613 1668 471 Telstra Pty Ltd 9498 571 211 67 BHARTI BT INTERNET LTD. 7545 544 124 70 TPG Internet Pty Ltd 17488 519 32 10 Hathway IP Over Cable Interne 17676 486 7029 110 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 18101 414 85 24 Reliance Infocom Ltd Internet 17557 397 31 178 Pakistan Telecom 4802 378 80 167 Wantree Development 17849 359 22 114 Telecommunications Technology 17974 347 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1733 312 SINET Japan 9929 326 222 58 China Netcom Corp. 7474 298 211 228 SingTel Optus Pty Ltd 9800 275 410 67 CHINA UNICOM 4837 266 2994 112 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1480 6151 945 AT&T WorldNet Services 4323 1310 740 259 Time Warner Telecom 721 1014 21998 313 DLA Systems Automation Center 6197 1005 625 471 BellSouth Network Solutions, 174 969 5787 904 Cogent Communications 19029 945 151 108 New Edge Networks 18566 943 272 8 Covad Communications 701 940 6753 776 UUNET Technologies, Inc. 2386 894 557 687 AT&T Data Communications Serv 1239 846 2789 600 Sprint 20115 713 617 381 Charter Communications 209 707 3687 551 Qwest 19262 667 2103 183 Verizon Global Networks 22773 664 1741 40 Cox Communications, Inc. 7011 638 218 415 Citizens Utilities 11492 622 87 22 Cable One 852 584 1084 382 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 550 244 64 Canadian Research Network 5668 529 147 23 CenturyTel Internet Holdings, RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 573 1951 451 UUNET - Commercial IP service 3301 305 1327 292 TeliaNet Sweden 3352 305 1644 30 Ibernet, Internet Access Netw 3320 287 3989 240 Deutsche Telekom AG 8220 274 470 262 COLT Telecommunications 680 245 2025 242 DFN-IP service G-WiN 6746 238 90 212 Dynamic Network Technologies, 3246 236 504 226 Song Networks 8708 216 275 201 Romania Data Systems S.A. 24863 214 42 11 LINKdotNET AS number 3269 201 2182 72 TELECOM ITALIA 3215 200 1680 93 France Telecom Transpac 8551 200 198 24 Bezeq International 30890 193 17 71 SC Kappa Invexim SRL 1257 190 740 166 SWIPnet Swedish IP Network 8866 180 37 15 Bulgarian Telecommunication C 6830 172 781 36 UPC Distribution Services 786 171 1778 171 The JANET IP Service 5400 171 348 140 BT Ignite European Backbone 9121 169 931 28 TTnet Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 705 1082 224 UniNet S.A. de C.V. 22047 419 158 11 VTR PUNTO NET S.A. 11172 352 110 84 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 14117 201 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 175 81 25 Telecom Argentina Stet-France 6503 136 151 82 AVANTEL, S.A. 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19169 126 8 26 Telconet 14259 119 10 15 GTD Internet S.A. 14522 115 18 9 SatNet S.A. 23216 114 21 9 RAMtelecom Telecomunicaciones 19429 110 60 44 E.T.B. 6505 109 88 79 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 5639 103 12 9 Telecommunications Services o 18822 98 7 9 TELEFONICA MANQUEHUE AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 286 803 234 The Internet Solution 8452 166 60 7 TEDATA 6713 147 135 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 33783 104 6 2 EEPAD TISP TELECOM & INTERNET 2905 73 155 66 The Internetworking Company o 15475 61 84 4 Nile Online 20928 59 16 2 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 26 6 3 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 16637 25 18 23 Johnnic e-Ventures 8524 22 1 5 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 33766 21 2 1 Nyala Communications Pty Ltd Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1310 1051 Time Warner Telecom 4134 1242 1014 CHINANET-BACKBONE 18566 943 935 Covad Communications 9583 903 887 Sify Limited 4755 931 857 Videsh Sanchar Nigam Ltd. Aut 19029 945 837 New Edge Networks 721 1014 701 DLA Systems Automation Center 22773 664 624 Cox Communications, Inc. 11492 622 600 Cable One 6197 1005 534 BellSouth Network Solutions, 19916 563 509 OLM LLC 17488 519 509 Hathway IP Over Cable Interne 5668 529 506 CenturyTel Internet Holdings, 9498 571 504 BHARTI BT INTERNET LTD. 855 550 486 Canadian Research Network 19262 667 484 Verizon Global Networks 8151 705 481 UniNet S.A. de C.V. 7545 544 474 TPG Internet Pty Ltd 3602 525 421 Sprint Canada, Inc. 22047 419 408 VTR PUNTO NET S.A. 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 64515 PRIVATE 203.126.13.0/25 7610 SINGAPORE ADVANCE RE 64515 PRIVATE 203.126.13.128/26 7610 SINGAPORE ADVANCE RE 65280 PRIVATE 203.197.161.0/24 4755 Videsh Sanchar Nigam 65280 PRIVATE 203.200.14.0/24 4755 Videsh Sanchar Nigam 65280 PRIVATE 203.200.21.0/24 4755 Videsh Sanchar Nigam 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 /8:18 /9:9 /10:9 /11:28 /12:92 /13:200 /14:360 /15:704 /16:8855 /17:3247 /18:5351 /19:11723 /20:13263 /21:11524 /22:14724 /23:15902 /24:103048 /25:387 /26:314 /27:182 /28:69 /29:67 /30:51 /31:0 /32:41 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 926 943 Covad Communications 19029 876 945 New Edge Networks 6197 790 1005 BellSouth Network Solutions, 7018 780 1480 AT&T WorldNet Services 9583 733 903 Sify Limited 4323 641 1310 Time Warner Telecom 2386 613 894 AT&T Data Communications Serv 11492 613 622 Cable One 19916 557 563 OLM LLC 7011 547 638 Citizens Utilities 4766 500 690 Korea Telecom (KIX) 855 424 550 Canadian Research Network 5668 412 529 CenturyTel Internet Holdings, 15270 403 434 PaeTec.net -a division of Pae 1239 390 846 Sprint 4755 365 931 Videsh Sanchar Nigam Ltd. Aut 6517 364 395 Yipes Communications, Inc. 17849 359 359 Telecommunications Technology 702 356 573 UUNET - Commercial IP service 6198 354 508 BellSouth Network Solutions, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:42 11:1 12:1618 13:1 15:15 16:3 17:3 18:4 20:41 24:734 25:1 32:57 38:229 40:54 41:3 44:3 47:6 52:4 55:1 56:3 57:25 58:183 59:217 60:182 61:863 62:775 63:1911 64:3173 65:2181 66:3061 67:613 68:663 69:1531 70:376 71:80 72:756 74:40 80:788 81:647 82:594 83:401 84:387 85:543 86:390 87:358 88:96 89:240 124:295 125:494 128:158 129:190 130:78 131:318 132:33 133:8 134:157 135:48 136:178 137:82 138:206 139:62 140:469 141:130 142:379 143:165 144:223 145:40 146:329 147:136 148:318 149:188 150:112 151:94 152:69 153:107 154:5 155:202 156:98 157:146 158:168 159:173 160:89 161:76 162:245 163:150 164:179 165:208 166:168 167:246 168:491 169:128 170:338 171:14 183:1 190:75 192:5744 193:3368 194:2640 195:1909 196:855 198:3910 199:3214 200:4487 201:978 202:6698 203:7034 204:3901 205:2033 206:2421 207:2901 208:2128 209:3776 210:1973 211:683 212:1259 213:1469 214:364 215:40 216:4177 217:1156 218:291 219:232 220:717 221:360 222:158 End of report