Routing Table Report 04:00 +10GMT Mon 17 Jul, 2006
Analysis Summary ----------------
BGP routing table entries examined: 192194 Prefixes after maximum aggregation: 105825 Unique aggregates announced to Internet: 94015 Total ASes present in the Internet Routing Table: 22659 Origin-only ASes present in the Internet Routing Table: 19711 Origin ASes announcing only one prefix: 9456 Transit ASes present in the Internet Routing Table: 2948 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 27 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 2 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1551652264 Equivalent to 92 /8s, 124 /16s and 85 /24s Percentage of available address space announced: 41.9 Percentage of allocated address space announced: 60.6 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94957
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 41546 Total APNIC prefixes after maximum aggregation: 17083 Prefixes being announced from the APNIC address blocks: 39253 Unique aggregates announced from the APNIC address blocks: 18437 APNIC Region origin ASes present in the Internet Routing Table: 2626 APNIC Region origin ASes announcing only one prefix: 743 APNIC Region transit ASes present in the Internet Routing Table: 395 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 239258208 Equivalent to 14 /8s, 66 /16s and 202 /24s Percentage of available APNIC address space announced: 74.8
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: 97759 Total ARIN prefixes after maximum aggregation: 58210 Prefixes being announced from the ARIN address blocks: 71537 Unique aggregates announced from the ARIN address blocks: 27020 ARIN Region origin ASes present in the Internet Routing Table: 10830 ARIN Region origin ASes announcing only one prefix: 4082 ARIN Region transit ASes present in the Internet Routing Table: 1008 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 295937024 Equivalent to 17 /8s, 163 /16s and 164 /24s Percentage of available ARIN address space announced: 76.7
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: 38619 Total RIPE prefixes after maximum aggregation: 25874 Prefixes being announced from the RIPE address blocks: 35676 Unique aggregates announced from the RIPE address blocks: 24059 RIPE Region origin ASes present in the Internet Routing Table: 8273 RIPE Region origin ASes announcing only one prefix: 4352 RIPE Region transit ASes present in the Internet Routing Table: 1355 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 27 Number of RIPE addresses announced to Internet: 260097604 Equivalent to 15 /8s, 128 /16s and 198 /24s Percentage of available RIPE address space announced: 81.6
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, 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: 11968 Total LACNIC prefixes after maximum aggregation: 3763 Prefixes being announced from the LACNIC address blocks: 10023 Unique aggregates announced from the LACNIC address blocks: 5684 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: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31135488 Equivalent to 1 /8s, 219 /16s and 23 /24s Percentage of available LACNIC address space announced: 46.4
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: 2300 Total AfriNIC prefixes after maximum aggregation: 895 Prefixes being announced from the AfriNIC address blocks: 1554 Unique aggregates announced from the AfriNIC address blocks: 957 AfriNIC Region origin ASes present in the Internet Routing Table: 159 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4185088 Equivalent to 0 /8s, 63 /16s and 220 /24s Percentage of available AfriNIC address space announced: 12.5
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 1245 7528 233 CHINANET-BACKBONE 4755 967 257 73 Videsh Sanchar Nigam Ltd. Aut 9583 914 109 15 Sify Limited 9498 768 211 71 BHARTI BT INTERNET LTD. 4766 689 4435 303 Korea Telecom (KIX) 1221 609 1779 467 Telstra Pty Ltd 7545 550 124 74 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 427 85 23 Reliance Infocom Ltd Internet 17974 404 129 14 PT TELEKOMUNIKASI INDONESIA 17849 396 28 123 Telecommunications Technology 17557 382 30 172 Pakistan Telecom 4802 379 81 168 Wantree Development 2907 336 1733 311 SINET Japan 9929 298 244 56 China Netcom Corp. 7474 295 211 229 SingTel Optus Pty Ltd 4837 287 3195 127 chinanet IDC center beijing n 10139 280 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1475 6246 946 AT&T WorldNet Services 721 1018 21918 308 DLA Systems Automation Center 6197 1014 635 476 BellSouth Network Solutions, 4323 965 746 271 Time Warner Telecom 18566 947 272 8 Covad Communications 701 942 6753 777 UUNET Technologies, Inc. 174 941 5769 890 Cogent Communications 2386 920 558 709 AT&T Data Communications Serv 1239 851 2785 601 Sprint 19262 723 2190 187 Verizon Global Networks 20115 716 622 382 Charter Communications 209 695 3663 548 Qwest 22773 674 1741 40 Cox Communications, Inc. 11492 657 89 11 Cable One 7011 648 218 412 Citizens Utilities 6198 598 555 235 BellSouth Network Solutions, 852 582 1084 381 Telus Advanced Communications 855 573 247 74 Canadian Research Network 19916 563 49 54 OLM LLC 5668 533 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 563 1932 442 UUNET - Commercial IP service 3301 316 1187 301 TeliaNet Sweden 3352 305 1639 33 Ibernet, Internet Access Netw 3320 285 5012 234 Deutsche Telekom AG 8220 279 471 265 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 235 89 212 Dynamic Network Technologies, 3246 230 463 220 Song Networks 24863 219 42 11 LINKdotNET AS number 8708 211 275 200 Romania Data Systems S.A. 8551 209 198 29 Bezeq International 30890 207 19 81 SC Kappa Invexim SRL 3215 204 1760 97 France Telecom Transpac 3269 201 2182 72 TELECOM ITALIA 1257 194 741 166 SWIPnet Swedish IP Network 8866 188 37 15 Bulgarian Telecommunication C 6830 175 813 37 UPC Distribution Services 786 169 1778 169 The JANET IP Service 3300 169 171 97 AUCS Communications Services 5400 160 352 142 BT Ignite European Backbone
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 698 1787 228 UniNet S.A. de C.V. 22047 432 206 11 VTR PUNTO NET S.A. 11172 358 113 85 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 6471 253 74 28 ENTEL CHILE S.A. 14117 211 13 7 Telefonica del Sur S.A. 6503 181 151 82 AVANTEL, S.A. 7303 181 84 29 Telecom Argentina Stet-France 10481 181 72 8 Prima S.A. 21826 133 17 22 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 131 84 45 E.T.B. 14522 129 18 9 SatNet S.A. 19169 129 8 26 Telconet 14259 119 10 15 GTD Internet S.A. 23216 113 21 9 RAMtelecom Telecomunicaciones 7738 111 410 20 Telecomunicacoes da Bahia S.A 5639 109 12 9 Telecommunications Services o 6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 284 803 231 The Internet Solution 8452 169 60 7 TEDATA 6713 150 135 11 Itissalat Al-MAGHRIB 2018 135 314 105 Tertiary Education Network 15475 131 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 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 23889 24 8 11 MAURITIUS TELECOM 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 33766 21 2 1 Nyala Communications Pty Ltd 12455 20 6 3 Jambonet Autonomous system 21491 20 17 2 UTL On-line is RF broadband I
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1245 1012 CHINANET-BACKBONE 18566 947 939 Covad Communications 9583 914 899 Sify Limited 4755 967 894 Videsh Sanchar Nigam Ltd. Aut 721 1018 710 DLA Systems Automation Center 9498 768 697 BHARTI BT INTERNET LTD. 4323 965 694 Time Warner Telecom 11492 657 646 Cable One 22773 674 634 Cox Communications, Inc. 6197 1014 538 BellSouth Network Solutions, 19262 723 536 Verizon Global Networks 5668 533 510 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 519 502 Hathway IP Over Cable Interne 855 573 499 Canadian Research Network 7545 550 476 TPG Internet Pty Ltd 8151 698 470 UniNet S.A. de C.V. 22047 432 421 VTR PUNTO NET S.A. 3602 521 418 Sprint Canada, Inc. 15270 444 411 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
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 198.18.1.0/24 3301 TeliaNet Sweden
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 /10:11 /11:28 /12:95 /13:202 /14:369 /15:723 /16:8895 /17:3307 /18:5437 /19:11882 /20:13493 /21:11774 /22:14907 /23:16074 /24:103850 /25:385 /26:290 /27:178 /28:64 /29:79 /30:79 /31:0 /32:46
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 930 947 Covad Communications 6197 794 1014 BellSouth Network Solutions, 7018 779 1475 AT&T WorldNet Services 9583 744 914 Sify Limited 11492 645 657 Cable One 2386 634 920 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 556 648 Citizens Utilities 4766 500 689 Korea Telecom (KIX) 855 447 573 Canadian Research Network 6198 442 598 BellSouth Network Solutions, 9498 431 768 BHARTI BT INTERNET LTD. 5668 416 533 CenturyTel Internet Holdings, 15270 413 444 PaeTec.net -a division of Pae 1239 397 851 Sprint 17849 390 396 Telecommunications Technology 4755 382 967 Videsh Sanchar Nigam Ltd. Aut 6517 375 409 Yipes Communications, Inc. 18101 358 427 Reliance Infocom Ltd Internet 22773 355 674 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:43 11:1 12:1611 13:1 15:15 16:3 17:3 18:4 20:41 24:778 25:1 32:58 38:234 40:54 41:7 44:3 47:6 52:4 55:1 56:3 57:25 58:192 59:249 60:193 61:859 62:814 63:1887 64:3079 65:2240 66:2945 67:623 68:675 69:1543 70:389 71:86 72:819 74:56 75:1 80:767 81:665 82:630 83:392 84:384 85:570 86:409 87:404 88:115 89:342 121:3 122:3 123:1 124:275 125:555 128:154 129:183 130:119 131:311 132:34 133:8 134:159 135:49 136:177 137:83 138:206 139:51 140:489 141:135 142:384 143:167 144:230 145:40 146:317 147:137 148:343 149:191 150:114 151:96 152:70 153:107 154:5 155:206 156:186 157:143 158:166 159:172 160:93 161:77 162:246 163:160 164:243 165:224 166:174 167:243 168:498 169:125 170:353 171:14 183:1 190:88 192:5717 193:3353 194:2656 195:1963 196:872 198:3961 199:3288 200:4625 201:968 202:6748 203:7093 204:3895 205:2049 206:2404 207:2920 208:2193 209:3399 210:2069 211:714 212:1241 213:1483 214:366 215:41 216:4006 217:1185 218:297 219:228 220:735 221:351 222:189
End of report
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