Routing Table Report 04:00 +10GMT Tue 30 Aug, 2005
Analysis Summary ----------------
BGP routing table entries examined: 168877 Prefixes after maximum aggregation: 96936 Unique aggregates announced to Internet: 81596 Total ASes present in the Internet Routing Table: 20369 Origin-only ASes present in the Internet Routing Table: 17735 Origin ASes announcing only one prefix: 8392 Transit ASes present in the Internet Routing Table: 2634 Transit-only ASes present in the Internet Routing Table: 72 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: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1412731392 Equivalent to 84 /8s, 52 /16s and 146 /24s Percentage of available address space announced: 38.1 Percentage of allocated address space announced: 57.4 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 80172
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 35034 Total APNIC prefixes after maximum aggregation: 15801 Prefixes being announced from the APNIC address blocks: 32900 Unique aggregates announced from the APNIC address blocks: 16473 APNIC Region origin ASes present in the Internet Routing Table: 2347 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 353 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 195881216 Equivalent to 11 /8s, 172 /16s and 233 /24s Percentage of available APNIC address space announced: 72.7
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: 90086 Total ARIN prefixes after maximum aggregation: 54918 Prefixes being announced from the ARIN address blocks: 70434 Unique aggregates announced from the ARIN address blocks: 25834 ARIN Region origin ASes present in the Internet Routing Table: 10160 ARIN Region origin ASes announcing only one prefix: 3746 ARIN Region transit ASes present in the Internet Routing Table: 948 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 262353152 Equivalent to 15 /8s, 163 /16s and 49 /24s Percentage of available ARIN address space announced: 65.2
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: 32649 Total RIPE prefixes after maximum aggregation: 22250 Prefixes being announced from the RIPE address blocks: 29709 Unique aggregates announced from the RIPE address blocks: 20002 RIPE Region origin ASes present in the Internet Routing Table: 7031 RIPE Region origin ASes announcing only one prefix: 3715 RIPE Region transit ASes present in the Internet Routing Table: 1164 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 216599552 Equivalent to 12 /8s, 233 /16s and 12 /24s Percentage of available RIPE address space announced: 64.6
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: 9382 Total LACNIC prefixes after maximum aggregation: 3175 Prefixes being announced from the LACNIC address blocks: 7738 Unique aggregates announced from the LACNIC address blocks: 4474 LACNIC Region origin ASes present in the Internet Routing Table: 633 LACNIC Region origin ASes announcing only one prefix: 196 LACNIC Region transit ASes present in the Internet Routing Table: 118 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 21798912 Equivalent to 1 /8s, 76 /16s and 160 /24s Percentage of available LACNIC address space announced: 32.5
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: 1702 Total AfriNIC prefixes after maximum aggregation: 792 Prefixes being announced from the AfriNIC address blocks: 1023 Unique aggregates announced from the AfriNIC address blocks: 785 AfriNIC Region origin ASes present in the Internet Routing Table: 134 AfriNIC Region origin ASes announcing only one prefix: 40 AfriNIC Region transit ASes present in the Internet Routing Table: 17 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2638848 Equivalent to 0 /8s, 40 /16s and 68 /24s Percentage of available AfriNIC address space announced: 7.9
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 960 5596 196 CHINANET-BACKBONE 9583 768 77 14 Sify Limited 1221 752 1327 522 Telstra Pty Ltd 4755 698 259 64 Videsh Sanchar Nigam Ltd. Aut 4766 602 3927 285 Korea Telecom (KIX) 7545 515 108 71 TPG Internet Pty Ltd 17676 465 6739 99 Softbank BB Corp. 9443 386 84 79 Primus Telecommunications 9498 337 99 59 BHARTI BT INTERNET LTD. 2907 336 1788 313 SINET Japan 9929 334 224 46 China Netcom Corp. 17557 326 23 154 Pakistan Telecom 7474 317 257 220 SingTel Optus Pty Ltd 17488 314 18 7 Hathway IP Over Cable Interne 18302 301 109 157 SK Global co., Ltd 4802 296 53 157 Wantree Development 9837 277 80 179 Powertel Ltd 17974 265 65 14 PT TELEKOMUNIKASI INDONESIA 703 258 262 208 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 1509 6359 981 AT&T WorldNet Services 4323 1156 704 221 Time Warner Telecom 174 1121 5853 1024 Cogent Communications 721 1077 21922 310 DLA Systems Automation Center 701 1001 8153 851 UUNET Technologies, Inc. 6197 947 503 446 BellSouth Network Solutions, 2386 887 511 659 AT&T Data Communications Serv 1239 866 2851 612 Sprint 18566 840 227 10 Covad Communications 209 624 3454 488 Qwest 20115 623 487 327 Charter Communications 3356 574 10661 445 Level 3 Communications, LLC 27364 554 44 18 Armstrong Cable Services 3602 549 125 106 Sprint Canada, Inc. 3561 532 2416 420 Savvis 22773 522 1352 27 Cox Communications, Inc. 5668 501 115 23 CenturyTel Internet Holdings, 6198 470 417 228 BellSouth Network Solutions, 7132 455 4948 389 SBC Internet Services 19262 449 1370 120 Verizon Global Networks
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 592 2000 483 UUNET - Commercial IP service 3301 298 1081 284 TeliaNet Sweden 3320 290 3232 239 Deutsche Telekom AG 8220 263 474 259 COLT Telecommunications 680 244 2040 240 DFN-IP service G-WiN 8708 232 261 213 Romania Data Systems S.A. 3246 229 469 222 Song Networks 1257 201 712 175 SWIPnet Swedish IP Network 6746 182 50 158 Dynamic Network Technologies, 5515 181 778 127 Sonera Solution Autonomous Sy 9121 179 284 39 TTnet Autonomous System 786 174 1794 174 The JANET IP Service 3269 170 1526 67 TELECOM ITALIA 5400 167 289 141 BT Ignite European Backbone 8866 166 20 7 Bulgarian Telecommunication C 6830 157 669 33 UPC Distribution Services 3300 156 184 90 AUCS Communications Services 25186 144 145 101 France Telecom Transpac's Tra 8551 139 120 20 Bezeq International 1273 137 174 96 Cable & Wireless Deutschland
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 396 650 167 UniNet S.A. de C.V. 16814 298 18 7 NSS, S.A. 11172 243 87 58 Servicios Alestra S.A de C.V 6147 194 110 21 Telefonica Del Peru 11664 191 20 23 Keytech SA 19632 173 14 5 Metropolis Intercom S.A. 22047 172 128 7 VTR PUNTO NET S.A. 14117 152 9 5 Telefonica del Sur S.A. 7303 143 68 15 Telecom Argentina Stet-France 11556 131 64 3 Cable-Wireless Panama 6505 123 90 87 Global One Communicaoes Ltda 10481 120 48 8 Prima S.A. 19169 120 8 26 Telconet 6503 114 148 75 AVANTEL, S.A. 18822 110 7 14 TELEFONICA MANQUEHUE 13999 107 52 9 Mega Cable S.A. de C.V. 5639 103 12 9 Telecommunications Services o 21826 103 13 15 INTERCABLE 11311 96 8 13 Sinectis S.A. 23216 96 24 20 RAMtelecom Telecomunicaciones
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 264 693 222 The Internet Solution 5536 121 8 14 Internet Egypt Network 8452 103 32 7 TEDATA 2018 96 295 87 Tertiary Education Network 15475 93 84 4 Nile Online 2905 77 210 69 The Internetworking Company o 20928 58 16 2 Noor Advanced Technologies AS 24835 58 34 7 RAYA Telecom - Egypt 6713 51 54 8 Itissalat Al-MAGHRIB 5713 43 149 33 Telkom SA Ltd 9129 42 3 3 UUNET Kenya 12455 33 5 6 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 8524 23 1 3 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 15804 18 2 1 AS of The Way Out Internet So 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1156 935 Time Warner Telecom 18566 840 830 Covad Communications 721 1077 767 DLA Systems Automation Center 4134 960 764 CHINANET-BACKBONE 9583 768 754 Sify Limited 4755 698 634 Videsh Sanchar Nigam Ltd. Aut 27364 554 536 Armstrong Cable Services 6197 947 501 BellSouth Network Solutions, 22773 522 495 Cox Communications, Inc. 5668 501 478 CenturyTel Internet Holdings, 7545 515 444 TPG Internet Pty Ltd 3602 549 443 Sprint Canada, Inc. 17676 465 366 Softbank BB Corp. 6467 429 356 E.Spire Communications, Inc. 19262 449 329 Verizon Global Networks 4766 602 317 Korea Telecom (KIX) 11492 324 317 Cable One 9443 386 307 Primus Telecommunications 17488 314 307 Hathway IP Over Cable Interne 15270 332 305 PaeTec.net -a division of Pae
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 65230 PRIVATE 86.104.116.0/24 34050 Fiber Net Communicat 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 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 65005 PRIVATE 203.200.197.0/24 4755 Videsh Sanchar Nigam 63946 RESERVED 204.222.174.0/23 268 Uniformed Services U 65500 PRIVATE 211.158.36.0/22 23851 Chongqing Broadband 65500 PRIVATE 211.158.40.0/22 23851 Chongqing Broadband 65500 PRIVATE 211.158.44.0/22 23851 Chongqing Broadband
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 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 /11:17 /12:77 /13:171 /14:320 /15:615 /16:8461 /17:2704 /18:4606 /19:10662 /20:11688 /21:9733 /22:13129 /23:13996 /24:91660 /25:330 /26:314 /27:175 /28:48 /29:27 /30:80 /31:1 /32:35
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 824 840 Covad Communications 6197 770 947 BellSouth Network Solutions, 7018 717 1509 AT&T WorldNet Services 2386 598 887 AT&T Data Communications Serv 9583 588 768 Sify Limited 4323 554 1156 Time Warner Telecom 27364 545 554 Armstrong Cable Services 4766 419 602 Korea Telecom (KIX) 5668 405 501 CenturyTel Internet Holdings, 702 365 592 UUNET - Commercial IP service 1239 364 866 Sprint 19916 364 370 OLM LLC 7011 346 402 Citizens Utilities 6198 343 470 BellSouth Network Solutions, 11492 316 324 Cable One 6517 303 329 Yipes Communications, Inc. 15270 302 332 PaeTec.net -a division of Pae 18302 286 301 SK Global co., Ltd 6467 283 429 E.Spire Communications, Inc. 701 280 1001 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:7 8:22 11:1 12:1568 13:1 15:9 16:2 17:3 18:3 20:22 24:1064 30:3 32:60 33:1 38:143 40:55 44:4 47:2 52:4 55:1 56:3 57:23 58:154 59:64 60:114 61:720 62:766 63:1877 64:2830 65:2067 66:2887 67:600 68:568 69:1161 70:167 71:12 72:348 80:597 81:536 82:463 83:301 84:226 85:295 86:90 87:9 128:150 129:167 130:94 131:290 132:37 133:1 134:144 135:42 136:150 137:64 138:163 139:61 140:402 141:105 142:142 143:135 144:193 145:34 146:292 147:110 148:297 149:180 150:107 151:60 152:108 153:88 154:5 155:143 156:80 157:100 158:167 159:167 160:87 161:71 162:220 163:112 164:187 165:194 166:153 167:246 168:439 169:142 170:317 171:8 190:1 192:5723 193:3268 194:2401 195:1594 196:655 198:3858 199:3283 200:4157 201:276 202:6051 203:6362 204:3768 205:2060 206:2445 207:2807 208:2039 209:3326 210:1646 211:787 212:1242 213:1359 214:294 215:35 216:3627 217:1122 218:214 219:136 220:440 221:254 222:123
End of report
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Routing Table Analysis