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Routing Table Report 04:00 +10GMT Tue 20 Jun, 2006
Analysis Summary ----------------
BGP routing table entries examined: 190962 Prefixes after maximum aggregation: 104889 Unique aggregates announced to Internet: 93221 Total ASes present in the Internet Routing Table: 22480 Origin-only ASes present in the Internet Routing Table: 19556 Origin ASes announcing only one prefix: 9381 Transit ASes present in the Internet Routing Table: 2924 Transit-only ASes present in the Internet Routing Table: 64 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: 3 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1534902504 Equivalent to 91 /8s, 124 /16s and 192 /24s Percentage of available address space announced: 41.4 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94696
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 40946 Total APNIC prefixes after maximum aggregation: 16880 Prefixes being announced from the APNIC address blocks: 38668 Unique aggregates announced from the APNIC address blocks: 18396 APNIC Region origin ASes present in the Internet Routing Table: 2616 APNIC Region origin ASes announcing only one prefix: 750 APNIC Region transit ASes present in the Internet Routing Table: 396 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 233419872 Equivalent to 13 /8s, 233 /16s and 180 /24s Percentage of available APNIC address space announced: 73.0
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: 98041 Total ARIN prefixes after maximum aggregation: 57881 Prefixes being announced from the ARIN address blocks: 72017 Unique aggregates announced from the ARIN address blocks: 26867 ARIN Region origin ASes present in the Internet Routing Table: 10777 ARIN Region origin ASes announcing only one prefix: 4066 ARIN Region transit ASes present in the Internet Routing Table: 991 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 294097664 Equivalent to 17 /8s, 135 /16s and 147 /24s Percentage of available ARIN address space announced: 76.2
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, 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: 38181 Total RIPE prefixes after maximum aggregation: 25505 Prefixes being announced from the RIPE address blocks: 35210 Unique aggregates announced from the RIPE address blocks: 23740 RIPE Region origin ASes present in the Internet Routing Table: 8169 RIPE Region origin ASes announcing only one prefix: 4291 RIPE Region transit ASes present in the Internet Routing Table: 1353 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 254100356 Equivalent to 15 /8s, 37 /16s and 67 /24s Percentage of available RIPE address space announced: 79.7
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: 11559 Total LACNIC prefixes after maximum aggregation: 3719 Prefixes being announced from the LACNIC address blocks: 9715 Unique aggregates announced from the LACNIC address blocks: 5542 LACNIC Region origin ASes present in the Internet Routing Table: 697 LACNIC Region origin ASes announcing only one prefix: 230 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: 27552512 Equivalent to 1 /8s, 164 /16s and 107 /24s Percentage of available LACNIC address space announced: 41.1
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: 2232 Total AfriNIC prefixes after maximum aggregation: 904 Prefixes being announced from the AfriNIC address blocks: 1523 Unique aggregates announced from the AfriNIC address blocks: 936 AfriNIC Region origin ASes present in the Internet Routing Table: 157 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: 4133888 Equivalent to 0 /8s, 63 /16s and 20 /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 1237 7259 228 CHINANET-BACKBONE 4755 936 258 74 Videsh Sanchar Nigam Ltd. Aut 9583 904 109 16 Sify Limited 4766 689 4435 303 Korea Telecom (KIX) 9498 659 211 68 BHARTI BT INTERNET LTD. 1221 615 1668 473 Telstra Pty Ltd 7545 546 124 70 TPG Internet Pty Ltd 17488 519 32 10 Hathway IP Over Cable Interne 17676 488 7061 109 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 18101 412 85 24 Reliance Infocom Ltd Internet 17557 398 31 177 Pakistan Telecom 17974 383 129 14 PT TELEKOMUNIKASI INDONESIA 4802 382 81 169 Wantree Development 9929 340 255 61 China Netcom Corp. 2907 335 1733 311 SINET Japan 17849 303 23 103 Telecommunications Technology 7474 299 211 228 SingTel Optus Pty Ltd 4837 285 3045 125 chinanet IDC center beijing n 10139 283 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1477 6259 951 AT&T WorldNet Services 4323 1317 743 261 Time Warner Telecom 721 1015 21998 314 DLA Systems Automation Center 6197 1010 629 478 BellSouth Network Solutions, 174 967 5788 903 Cogent Communications 19029 945 151 108 New Edge Networks 18566 943 272 8 Covad Communications 701 940 6753 775 UUNET Technologies, Inc. 2386 912 560 705 AT&T Data Communications Serv 1239 846 2788 599 Sprint 20115 714 617 382 Charter Communications 209 709 3687 551 Qwest 19262 708 2099 191 Verizon Global Networks 22773 666 1741 40 Cox Communications, Inc. 7011 638 218 414 Citizens Utilities 11492 632 87 23 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 702 572 1951 451 UUNET - Commercial IP service 3301 315 1343 300 TeliaNet Sweden 3352 306 1643 30 Ibernet, Internet Access Netw 3320 289 3989 242 Deutsche Telekom AG 8220 275 470 263 COLT Telecommunications 680 245 2025 242 DFN-IP service G-WiN 6746 236 89 211 Dynamic Network Technologies, 3246 234 498 224 Song Networks 24863 216 42 11 LINKdotNET AS number 8708 215 275 201 Romania Data Systems S.A. 3269 201 2182 72 TELECOM ITALIA 8551 201 198 24 Bezeq International 3215 198 1680 93 France Telecom Transpac 30890 194 17 72 SC Kappa Invexim SRL 1257 193 741 165 SWIPnet Swedish IP Network 8866 183 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 709 1099 222 UniNet S.A. de C.V. 22047 418 174 11 VTR PUNTO NET S.A. 11172 349 110 83 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 14117 205 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 175 81 25 Telecom Argentina Stet-France 6503 135 151 81 AVANTEL, S.A. 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19169 127 8 25 Telconet 14259 119 10 15 GTD Internet S.A. 19429 118 64 41 E.T.B. 14522 115 18 9 SatNet S.A. 23216 114 21 9 RAMtelecom Telecomunicaciones 6505 109 88 79 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 5639 103 12 9 Telecommunications Services o 7738 101 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 286 803 234 The Internet Solution 8452 167 60 7 TEDATA 6713 154 135 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 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 73 155 66 The Internetworking Company o 15475 73 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 23889 26 8 11 MAURITIUS TELECOM 12455 25 6 3 Jambonet Autonomous system 16637 24 14 22 Johnnic e-Ventures 8524 22 1 5 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 21280 22 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 1317 1056 Time Warner Telecom 4134 1237 1009 CHINANET-BACKBONE 18566 943 935 Covad Communications 9583 904 888 Sify Limited 4755 936 862 Videsh Sanchar Nigam Ltd. Aut 19029 945 837 New Edge Networks 721 1015 701 DLA Systems Automation Center 22773 666 626 Cox Communications, Inc. 11492 632 609 Cable One 9498 659 591 BHARTI BT INTERNET LTD. 6197 1010 532 BellSouth Network Solutions, 19262 708 517 Verizon Global Networks 19916 563 509 OLM LLC 17488 519 509 Hathway IP Over Cable Interne 5668 529 506 CenturyTel Internet Holdings, 8151 709 487 UniNet S.A. de C.V. 855 550 486 Canadian Research Network 7545 546 476 TPG Internet Pty Ltd 3602 525 421 Sprint Canada, Inc. 22047 418 407 VTR PUNTO NET S.A.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64920 PRIVATE 60.23.240.0/20 4837 chinanet IDC center 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 /10:10 /11:28 /12:93 /13:201 /14:362 /15:710 /16:8863 /17:3262 /18:5378 /19:11756 /20:13289 /21:11591 /22:14856 /23:15935 /24:103466 /25:384 /26:337 /27:182 /28:68 /29:74 /30:51 /31:0 /32:40
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 793 1010 BellSouth Network Solutions, 7018 784 1477 AT&T WorldNet Services 9583 735 904 Sify Limited 4323 642 1317 Time Warner Telecom 2386 631 912 AT&T Data Communications Serv 11492 623 632 Cable One 19916 557 563 OLM LLC 7011 547 638 Citizens Utilities 4766 500 689 Korea Telecom (KIX) 855 424 550 Canadian Research Network 5668 412 529 CenturyTel Internet Holdings, 15270 405 436 PaeTec.net -a division of Pae 1239 390 846 Sprint 9498 371 659 BHARTI BT INTERNET LTD. 4755 368 936 Videsh Sanchar Nigam Ltd. Aut 6517 364 395 Yipes Communications, Inc. 702 355 572 UUNET - Commercial IP service 6198 353 508 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:42 12:1619 13:1 15:16 16:3 17:3 18:4 20:41 24:747 25:1 32:58 38:230 40:53 41:3 44:3 47:6 52:4 55:1 56:3 57:25 58:184 59:231 60:182 61:859 62:783 63:1886 64:3184 65:2187 66:3124 67:616 68:667 69:1532 70:397 71:82 72:765 74:43 80:785 81:654 82:597 83:423 84:386 85:551 86:386 87:359 88:107 89:262 121:1 122:2 123:1 124:279 125:524 128:158 129:188 130:118 131:316 132:33 133:8 134:159 135:48 136:178 137:81 138:206 139:60 140:469 141:134 142:380 143:166 144:222 145:40 146:319 147:136 148:318 149:188 150:114 151:93 152:69 153:106 154:5 155:204 156:98 157:146 158:169 159:171 160:91 161:77 162:244 163:153 164:180 165:211 166:171 167:246 168:490 169:128 170:335 171:14 183:1 190:75 192:5736 193:3369 194:2645 195:1918 196:857 198:3904 199:3226 200:4484 201:1009 202:6682 203:7029 204:3906 205:2048 206:2424 207:2908 208:2121 209:3780 210:1980 211:689 212:1263 213:1467 214:362 215:41 216:4243 217:1155 218:294 219:231 220:721 221:359 222:188
End of report
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