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 13 Aug, 2005 Analysis Summary ---------------- BGP routing table entries examined: 167995 Prefixes after maximum aggregation: 96653 Unique aggregates announced to Internet: 81488 Total ASes present in the Internet Routing Table: 20273 Origin-only ASes present in the Internet Routing Table: 17669 Origin ASes announcing only one prefix: 8344 Transit ASes present in the Internet Routing Table: 2604 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 26 Prefixes from unregistered ASNs in the Routing Table: 23 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1403683221 Equivalent to 83 /8s, 170 /16s and 129 /24s Percentage of available address space announced: 37.9 Percentage of allocated address space announced: 57.0 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 79603 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 34867 Total APNIC prefixes after maximum aggregation: 15760 Prefixes being announced from the APNIC address blocks: 32728 Unique aggregates announced from the APNIC address blocks: 16456 APNIC Region origin ASes present in the Internet Routing Table: 2330 APNIC Region origin ASes announcing only one prefix: 689 APNIC Region transit ASes present in the Internet Routing Table: 345 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 192817280 Equivalent to 11 /8s, 126 /16s and 40 /24s Percentage of available APNIC address space announced: 71.6 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, 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: 89765 Total ARIN prefixes after maximum aggregation: 54780 Prefixes being announced from the ARIN address blocks: 70157 Unique aggregates announced from the ARIN address blocks: 26041 ARIN Region origin ASes present in the Internet Routing Table: 10138 ARIN Region origin ASes announcing only one prefix: 3737 ARIN Region transit ASes present in the Internet Routing Table: 940 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 257546005 Equivalent to 15 /8s, 89 /16s and 215 /24s Percentage of available ARIN address space announced: 64.0 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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 32477 Total RIPE prefixes after maximum aggregation: 22163 Prefixes being announced from the RIPE address blocks: 29468 Unique aggregates announced from the RIPE address blocks: 19819 RIPE Region origin ASes present in the Internet Routing Table: 6975 RIPE Region origin ASes announcing only one prefix: 3684 RIPE Region transit ASes present in the Internet Routing Table: 1147 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 214968064 Equivalent to 12 /8s, 208 /16s and 39 /24s Percentage of available RIPE address space announced: 64.1 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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 9205 Total LACNIC prefixes after maximum aggregation: 3166 Prefixes being announced from the LACNIC address blocks: 7562 Unique aggregates announced from the LACNIC address blocks: 4381 LACNIC Region origin ASes present in the Internet Routing Table: 631 LACNIC Region origin ASes announcing only one prefix: 196 LACNIC Region transit ASes present in the Internet Routing Table: 117 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 20834560 Equivalent to 1 /8s, 61 /16s and 233 /24s Percentage of available LACNIC address space announced: 31.0 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: 1652 Total AfriNIC prefixes after maximum aggregation: 784 Prefixes being announced from the AfriNIC address blocks: 1012 Unique aggregates announced from the AfriNIC address blocks: 777 AfriNIC Region origin ASes present in the Internet Routing Table: 134 AfriNIC Region origin ASes announcing only one prefix: 38 AfriNIC Region transit ASes present in the Internet Routing Table: 16 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2358272 Equivalent to 0 /8s, 35 /16s and 252 /24s Percentage of available AfriNIC address space announced: 7.0 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 957 5524 194 CHINANET-BACKBONE 1221 770 1327 528 Telstra Pty Ltd 9583 750 77 14 Sify Limited 4755 682 259 65 Videsh Sanchar Nigam Ltd. Aut 4766 593 3413 279 Korea Telecom (KIX) 7545 515 108 72 TPG Internet Pty Ltd 17676 464 6723 99 Softbank BB Corp. 9443 382 82 77 Primus Telecommunications 9498 339 83 61 BHARTI BT INTERNET LTD. 2907 337 1789 314 SINET Japan 9929 337 224 46 China Netcom Corp. 17557 327 23 153 Pakistan Telecom 7474 317 273 218 SingTel Optus Pty Ltd 17488 298 17 18 Hathway IP Over Cable Interne 4802 295 53 159 Wantree Development 18302 290 93 158 SK Global co., Ltd 9837 277 79 180 Powertel Ltd 17974 271 65 14 PT TELEKOMUNIKASI INDONESIA 703 255 262 207 UUNET - Commercial IP service 9800 250 390 64 CHINA UNICOM ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1510 6404 979 AT&T WorldNet Services 4323 1144 704 221 Time Warner Telecom 174 1126 5821 1036 Cogent Communications 721 1085 21795 314 DLA Systems Automation Center 701 1008 8155 857 UUNET Technologies, Inc. 6197 939 497 449 BellSouth Network Solutions, 2386 893 528 656 AT&T Data Communications Serv 1239 868 2863 627 Sprint 18566 834 224 7 Covad Communications 20115 653 502 325 Charter Communications 209 617 3470 488 Qwest 3356 581 10695 445 Level 3 Communications, LLC 27364 554 44 18 Armstrong Cable Services 3602 550 125 106 Sprint Canada, Inc. 3561 533 2385 422 Savvis 22773 514 1349 25 Cox Communications, Inc. 5668 501 115 23 CenturyTel Internet Holdings, 6198 468 396 224 BellSouth Network Solutions, 7132 452 4947 386 SBC Internet Services 852 445 1093 384 Telus Advanced Communications RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 591 1999 482 UUNET - Commercial IP service 3301 299 1081 285 TeliaNet Sweden 3320 291 3232 240 Deutsche Telekom AG 8220 263 474 259 COLT Telecommunications 680 245 2041 241 DFN-IP service G-WiN 3246 230 469 223 Song Networks 8708 228 262 214 Romania Data Systems S.A. 1257 197 712 175 SWIPnet Swedish IP Network 5515 181 778 127 Sonera Solution Autonomous Sy 6746 179 49 155 Dynamic Network Technologies, 5400 177 289 149 BT Ignite European Backbone 786 174 1794 174 The JANET IP Service 719 169 340 100 LANLINK autonomous system 3269 169 1518 71 TELECOM ITALIA 8866 163 20 7 Bulgarian Telecommunication C 9121 160 276 43 TTnet Autonomous System 3300 155 184 89 AUCS Communications Services 6830 155 665 32 UPC Distribution Services 25186 144 145 101 France Telecom Transpac's Tra 8551 139 120 20 Bezeq International LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 380 599 160 UniNet S.A. de C.V. 16814 265 16 7 NSS, S.A. 11172 242 99 59 Servicios Alestra S.A de C.V 6147 192 110 21 Telefonica Del Peru 11664 185 20 23 Keytech SA 14117 152 9 5 Telefonica del Sur S.A. 7303 145 69 16 Telecom Argentina Stet-France 19632 143 14 5 Metropolis Intercom S.A. 22047 143 112 7 VTR PUNTO NET S.A. 11556 131 64 3 Cable-Wireless Panama 6505 130 90 87 Global One Communicaoes Ltda 19169 120 8 26 Telconet 13999 113 52 9 Mega Cable S.A. de C.V. 18822 110 7 14 TELEFONICA MANQUEHUE 21826 102 13 19 INTERCABLE 5639 101 12 9 Telecommunications Services o 10481 101 40 7 Prima S.A. 6503 98 146 72 AVANTEL, S.A. 11311 97 8 14 Sinectis S.A. 23216 95 24 20 RAMtelecom Telecomunicaciones AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 263 621 221 The Internet Solution 5536 123 16 14 Internet Egypt Network 8452 103 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 2905 76 266 68 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 24835 57 34 6 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 15475 47 84 4 Nile Online 9129 42 3 3 UUNET Kenya 5713 40 148 31 Telkom SA Ltd 12455 37 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 8524 24 1 4 AUCEGYPT Autonomous System 16637 22 10 19 Johnnic e-Ventures 10798 21 1 12 Standard Bank of South Africa 23889 20 5 9 MAURITIUS TELECOM 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i 21491 17 1 1 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1144 923 Time Warner Telecom 18566 834 827 Covad Communications 721 1085 771 DLA Systems Automation Center 4134 957 763 CHINANET-BACKBONE 9583 750 736 Sify Limited 4755 682 617 Videsh Sanchar Nigam Ltd. Aut 27364 554 536 Armstrong Cable Services 6197 939 490 BellSouth Network Solutions, 22773 514 489 Cox Communications, Inc. 5668 501 478 CenturyTel Internet Holdings, 3602 550 444 Sprint Canada, Inc. 7545 515 443 TPG Internet Pty Ltd 17676 464 365 Softbank BB Corp. 6467 436 363 E.Spire Communications, Inc. 20115 653 328 Charter Communications 19262 443 324 Verizon Global Networks 4766 593 314 Korea Telecom (KIX) 11492 315 309 Cable One 9443 382 305 Primus Telecommunications 6140 415 293 ImpSat List of Unregistered ASNs (Global) ---------------------------------- Bad AS Designation Network Transit AS Description 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 65511 PRIVATE 65.77.145.0/24 16605 Aaro Broadband Wirel 65511 PRIVATE 65.77.146.0/24 16605 Aaro Broadband Wirel 65511 PRIVATE 65.77.147.0/24 16605 Aaro Broadband Wirel 65511 PRIVATE 65.77.151.0/24 16605 Aaro Broadband Wirel 65021 PRIVATE 128.216.1.0/24 619 Department of Navy 65021 PRIVATE 128.216.2.0/24 619 Department of Navy 65021 PRIVATE 128.216.3.0/24 619 Department of Navy 65021 PRIVATE 128.216.4.0/24 619 Department of Navy 65050 PRIVATE 168.96.148.0/24 6140 ImpSat 65535 PRIVATE 168.96.250.0/27 3597 Asociacion Civil Cie 65507 PRIVATE 200.0.64.0/24 27750 Cooperación Latino A 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 64943 PRIVATE 202.41.14.0/24 24110 Security Mail Pty Lt 64942 PRIVATE 202.41.15.0/24 24110 Security Mail Pty Lt 65005 PRIVATE 203.200.197.0/24 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 172.32.0.0/24 7011 Citizens Utilities 192.43.230.0/24 7575 Australian Academic and Rease 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 192.119.135.0/24 270 NASA 192.135.50.0/24 7018 AT&T WorldNet Services 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:3 /10:8 /11:16 /12:74 /13:169 /14:319 /15:607 /16:8472 /17:2682 /18:4561 /19:10588 /20:11590 /21:9648 /22:13037 /23:13916 /24:91250 /25:353 /26:314 /27:181 /28:50 /29:27 /30:77 /31:0 /32:36 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 818 834 Covad Communications 6197 766 939 BellSouth Network Solutions, 7018 713 1510 AT&T WorldNet Services 2386 602 893 AT&T Data Communications Serv 9583 567 750 Sify Limited 4323 545 1144 Time Warner Telecom 27364 545 554 Armstrong Cable Services 4766 411 593 Korea Telecom (KIX) 5668 405 501 CenturyTel Internet Holdings, 702 364 591 UUNET - Commercial IP service 19916 363 370 OLM LLC 1239 361 868 Sprint 6198 343 468 BellSouth Network Solutions, 7011 332 384 Citizens Utilities 11492 307 315 Cable One 6517 299 321 Yipes Communications, Inc. 15270 298 322 PaeTec.net -a division of Pae 6467 290 436 E.Spire Communications, Inc. 20115 283 653 Charter Communications 11456 276 314 Carolina Online, Inc. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:7 8:23 11:1 12:1560 13:1 15:9 16:2 17:3 18:3 20:5 24:961 30:2 32:70 33:1 38:140 40:56 44:4 47:2 52:4 55:2 56:3 57:23 58:149 59:60 60:107 61:730 62:685 63:1887 64:2831 65:2075 66:2897 67:584 68:572 69:1129 70:158 71:13 72:313 80:601 81:556 82:450 83:290 84:229 85:295 86:78 87:25 128:153 129:168 130:88 131:299 132:38 133:1 134:144 135:42 136:149 137:69 138:161 139:61 140:402 141:105 142:144 143:140 144:194 145:34 146:292 147:110 148:292 149:177 150:107 151:62 152:108 153:89 154:5 155:141 156:76 157:99 158:167 159:166 160:82 161:72 162:219 163:96 164:189 165:183 166:154 167:245 168:436 169:145 170:314 171:8 172:1 190:1 192:5749 193:3244 194:2416 195:1584 196:654 198:3881 199:3284 200:4106 201:234 202:5983 203:6399 204:3787 205:2033 206:2457 207:2832 208:2055 209:3355 210:1643 211:745 212:1258 213:1305 214:287 215:35 216:3623 217:1113 218:213 219:167 220:422 221:237 222:125 End of report