Routing Table Report 04:00 +10GMT Sun 23 Oct, 2005
Analysis Summary ----------------
BGP routing table entries examined: 172444 Prefixes after maximum aggregation: 98051 Unique aggregates announced to Internet: 83636 Total ASes present in the Internet Routing Table: 20725 Origin-only ASes present in the Internet Routing Table: 18027 Origin ASes announcing only one prefix: 8548 Transit ASes present in the Internet Routing Table: 2698 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 21 Prefixes from unregistered ASNs in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1435238208 Equivalent to 85 /8s, 139 /16s and 255 /24s Percentage of available address space announced: 38.7 Percentage of allocated address space announced: 58.3 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 82226
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 35905 Total APNIC prefixes after maximum aggregation: 15739 Prefixes being announced from the APNIC address blocks: 33703 Unique aggregates announced from the APNIC address blocks: 16687 APNIC Region origin ASes present in the Internet Routing Table: 2389 APNIC Region origin ASes announcing only one prefix: 695 APNIC Region transit ASes present in the Internet Routing Table: 364 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 203935104 Equivalent to 12 /8s, 39 /16s and 205 /24s Percentage of available APNIC address space announced: 75.7
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: 91623 Total ARIN prefixes after maximum aggregation: 55536 Prefixes being announced from the ARIN address blocks: 71673 Unique aggregates announced from the ARIN address blocks: 26923 ARIN Region origin ASes present in the Internet Routing Table: 10265 ARIN Region origin ASes announcing only one prefix: 3786 ARIN Region transit ASes present in the Internet Routing Table: 961 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 272880896 Equivalent to 16 /8s, 67 /16s and 213 /24s Percentage of available ARIN address space announced: 67.8
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: 33524 Total RIPE prefixes after maximum aggregation: 22735 Prefixes being announced from the RIPE address blocks: 30537 Unique aggregates announced from the RIPE address blocks: 20439 RIPE Region origin ASes present in the Internet Routing Table: 7224 RIPE Region origin ASes announcing only one prefix: 3816 RIPE Region transit ASes present in the Internet Routing Table: 1189 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 220915712 Equivalent to 13 /8s, 42 /16s and 232 /24s Percentage of available RIPE address space announced: 65.8
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 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: 9595 Total LACNIC prefixes after maximum aggregation: 3220 Prefixes being announced from the LACNIC address blocks: 7991 Unique aggregates announced from the LACNIC address blocks: 4613 LACNIC Region origin ASes present in the Internet Routing Table: 642 LACNIC Region origin ASes announcing only one prefix: 207 LACNIC Region transit ASes present in the Internet Routing Table: 123 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 22294784 Equivalent to 1 /8s, 84 /16s and 49 /24s Percentage of available LACNIC address space announced: 33.2
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: 1767 Total AfriNIC prefixes after maximum aggregation: 821 Prefixes being announced from the AfriNIC address blocks: 1081 Unique aggregates announced from the AfriNIC address blocks: 799 AfriNIC Region origin ASes present in the Internet Routing Table: 140 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 18 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2839040 Equivalent to 0 /8s, 43 /16s and 82 /24s Percentage of available AfriNIC address space announced: 8.5
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 1006 6230 211 CHINANET-BACKBONE 9583 812 77 13 Sify Limited 1221 751 1327 513 Telstra Pty Ltd 4755 724 259 66 Videsh Sanchar Nigam Ltd. Aut 4766 619 3927 290 Korea Telecom (KIX) 7545 511 108 71 TPG Internet Pty Ltd 17676 470 6819 100 Softbank BB Corp. 9443 392 87 78 Primus Telecommunications 9498 387 211 58 BHARTI BT INTERNET LTD. 2907 338 1763 315 SINET Japan 17488 334 20 9 Hathway IP Over Cable Interne 7474 330 258 227 SingTel Optus Pty Ltd 9929 330 224 46 China Netcom Corp. 17557 328 24 161 Pakistan Telecom 4802 325 72 154 Wantree Development 18302 293 109 172 SK Global co., Ltd 9837 275 79 176 Powertel Ltd 17974 272 65 16 PT TELEKOMUNIKASI INDONESIA 18101 265 68 18 Reliance Infocom Ltd Internet 703 255 260 211 UUNET - Commercial IP service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1512 6357 989 AT&T WorldNet Services 4323 1187 705 231 Time Warner Telecom 721 1080 21938 313 DLA Systems Automation Center 174 1053 5847 992 Cogent Communications 701 998 8138 835 UUNET Technologies, Inc. 6197 945 399 488 BellSouth Network Solutions, 2386 922 513 685 AT&T Data Communications Serv 18566 864 240 7 Covad Communications 1239 858 2852 605 Sprint 209 640 3572 507 Qwest 20115 633 515 336 Charter Communications 3602 559 131 109 Sprint Canada, Inc. 19916 546 48 60 OLM LLC 22773 544 1348 27 Cox Communications, Inc. 3356 536 10639 412 Level 3 Communications, LLC 19262 493 1464 128 Verizon Global Networks 6198 489 577 212 BellSouth Network Solutions, 5668 484 147 23 CenturyTel Internet Holdings, 3561 475 2409 402 Savvis 7132 470 5061 401 SBC Internet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 606 1976 479 UUNET - Commercial IP service 3301 305 1085 291 TeliaNet Sweden 3320 284 3230 239 Deutsche Telekom AG 8220 269 475 264 COLT Telecommunications 680 244 2040 239 DFN-IP service G-WiN 8708 239 274 224 Romania Data Systems S.A. 3246 226 474 219 Song Networks 6746 196 51 168 Dynamic Network Technologies, 1257 190 712 168 SWIPnet Swedish IP Network 5515 183 841 129 Sonera Solution Autonomous Sy 3269 182 1734 70 TELECOM ITALIA 786 174 1795 174 The JANET IP Service 5400 173 317 143 BT Ignite European Backbone 6830 161 669 33 UPC Distribution Services 8866 160 37 9 Bulgarian Telecommunication C 3300 157 169 91 AUCS Communications Services 25186 151 227 106 France Telecom Transpac's Tra 3215 142 1229 81 France Telecom Transpac 24863 141 37 6 LINKdotNET AS number 3352 137 1384 33 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 383 641 164 UniNet S.A. de C.V. 16814 297 18 7 NSS, S.A. 11172 280 86 69 Servicios Alestra S.A de C.V 11664 198 22 13 Keytech SA 19632 196 14 5 Metropolis Intercom S.A. 6147 189 118 21 Telefonica Del Peru 14117 169 10 5 Telefonica del Sur S.A. 22047 169 128 7 VTR PUNTO NET S.A. 7303 149 69 15 Telecom Argentina Stet-France 11556 133 64 3 Cable-Wireless Panama 19169 122 8 26 Telconet 6505 121 89 85 Global One Communicaoes Ltda 10481 121 48 8 Prima S.A. 13999 117 52 9 Mega Cable S.A. de C.V. 18822 112 7 13 TELEFONICA MANQUEHUE 6503 109 148 76 AVANTEL, S.A. 21826 108 14 17 INTERCABLE 5639 107 12 9 Telecommunications Services o 11311 99 8 10 Sinectis S.A. 14522 90 10 7 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 269 708 227 The Internet Solution 5536 123 8 12 Internet Egypt Network 8452 117 44 7 TEDATA 2018 95 295 86 Tertiary Education Network 15475 82 84 4 Nile Online 2905 78 211 71 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 20928 61 16 2 Noor Advanced Technologies AS 24835 59 34 7 RAYA Telecom - Egypt 5713 37 149 33 Telkom SA Ltd 12455 35 6 3 Jambonet Autonomous system 33774 32 3 22 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 20 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 21280 21 4 4 Swift Global Kenya Ltd.Is an 23889 19 5 9 MAURITIUS TELECOM 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 1187 956 Time Warner Telecom 18566 864 857 Covad Communications 9583 812 799 Sify Limited 4134 1006 795 CHINANET-BACKBONE 721 1080 767 DLA Systems Automation Center 4755 724 658 Videsh Sanchar Nigam Ltd. Aut 22773 544 517 Cox Communications, Inc. 19916 546 486 OLM LLC 5668 484 461 CenturyTel Internet Holdings, 6197 945 457 BellSouth Network Solutions, 3602 559 450 Sprint Canada, Inc. 7545 511 440 TPG Internet Pty Ltd 17676 470 370 Softbank BB Corp. 19262 493 365 Verizon Global Networks 6467 408 360 E.Spire Communications, Inc. 812 368 343 Rogers WAVE 11492 347 336 Cable One 4766 619 329 Korea Telecom (KIX) 9498 387 329 BHARTI BT INTERNET LTD. 17488 334 325 Hathway IP Over Cable Interne
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65003 PRIVATE 57.250.244.0/24 13879 SITA-EQUANT 64900 PRIVATE 64.116.137.0/24 17399 Comsat Venezuela, CO 65002 PRIVATE 64.119.148.0/22 19406 Towerstream 65500 PRIVATE 64.146.64.0/24 19029 New Edge Networks 65506 PRIVATE 64.151.117.0/24 26228 ServePath, LLC 64826 PRIVATE 64.200.250.0/23 7911 Williams Communicati 64826 PRIVATE 64.200.255.0/24 7911 Williams Communicati 64643 PRIVATE 140.253.192.0/20 24434 James Cook Universit 65205 PRIVATE 152.163.5.0/24 2056 America Online 64512 PRIVATE 170.51.242.0/24 19037 CTI Compania de Tele 65111 PRIVATE 194.165.131.0/24 8376 GO-JOR Autonomous Sy 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 65004 PRIVATE 200.4.7.0/24 28477 Universidad Autonoma 64900 PRIVATE 200.85.68.0/24 17399 Comsat Venezuela, CO 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 18428 UNALLOCATED 203.91.0.0/24 9505 Taiwan Internet Gate 65103 PRIVATE 216.53.126.0/23 7270 Net2Phone Corp. 65500 PRIVATE 216.216.217.0/24 19029 New Edge Networks 65500 PRIVATE 216.217.188.0/24 19029 New Edge Networks
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 192.172.0.0/19 721 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 /9:5 /10:8 /11:18 /12:80 /13:182 /14:335 /15:654 /16:8595 /17:2854 /18:4786 /19:10895 /20:11949 /21:9993 /22:13239 /23:14230 /24:93727 /25:326 /26:277 /27:176 /28:29 /29:10 /30:35 /31:0 /32:24
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 848 864 Covad Communications 6197 772 945 BellSouth Network Solutions, 7018 741 1512 AT&T WorldNet Services 2386 636 922 AT&T Data Communications Serv 9583 635 812 Sify Limited 4323 563 1187 Time Warner Telecom 19916 537 546 OLM LLC 4766 427 619 Korea Telecom (KIX) 5668 389 484 CenturyTel Internet Holdings, 702 383 606 UUNET - Commercial IP service 7011 383 443 Citizens Utilities 1239 367 858 Sprint 6198 352 489 BellSouth Network Solutions, 11492 339 347 Cable One 6517 322 348 Yipes Communications, Inc. 15270 316 343 PaeTec.net -a division of Pae 13609 286 327 Choice One Communications Inc 701 283 998 UUNET Technologies, Inc. 18302 278 293 SK Global co., Ltd 22773 277 544 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:25 12:1609 13:1 15:11 16:3 17:3 18:3 20:31 24:567 30:2 32:68 38:163 40:54 44:3 47:2 52:4 55:1 56:3 57:37 58:96 59:80 60:146 61:790 62:790 63:1888 64:2949 65:2109 66:2957 67:642 68:661 69:1270 70:218 71:32 72:411 80:652 81:571 82:505 83:307 84:291 85:362 86:140 87:64 125:15 128:147 129:168 130:97 131:296 132:36 133:1 134:148 135:40 136:158 137:68 138:166 139:68 140:466 141:141 142:148 143:142 144:218 145:33 146:301 147:131 148:271 149:187 150:107 151:68 152:112 153:93 154:6 155:142 156:78 157:105 158:162 159:174 160:87 161:76 162:237 163:144 164:190 165:190 166:154 167:254 168:437 169:144 170:300 171:11 190:1 192:5704 193:3311 194:2431 195:1565 196:666 198:3884 199:3246 200:4228 201:384 202:6197 203:6495 204:3824 205:2076 206:2452 207:2842 208:2025 209:3437 210:1697 211:828 212:1204 213:1360 214:317 215:42 216:3851 217:1132 218:222 219:134 220:507 221:293 222:131
End of report
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Routing Table Analysis