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Routing Table Report 04:00 +10GMT Thu 16 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 181625 Prefixes after maximum aggregation: 101243 Unique aggregates announced to Internet: 88359 Total ASes present in the Internet Routing Table: 21515 Origin-only ASes present in the Internet Routing Table: 18702 Origin ASes announcing only one prefix: 8879 Transit ASes present in the Internet Routing Table: 2813 Transit-only ASes present in the Internet Routing Table: 70 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1497171616 Equivalent to 89 /8s, 61 /16s and 6 /24s Percentage of available address space announced: 40.4 Percentage of allocated address space announced: 59.6 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88570
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38098 Total APNIC prefixes after maximum aggregation: 16205 Prefixes being announced from the APNIC address blocks: 35839 Unique aggregates announced from the APNIC address blocks: 17518 APNIC Region origin ASes present in the Internet Routing Table: 2472 APNIC Region origin ASes announcing only one prefix: 683 APNIC Region transit ASes present in the Internet Routing Table: 379 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 213152736 Equivalent to 12 /8s, 180 /16s and 115 /24s Percentage of available APNIC address space announced: 66.6
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, 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: 95548 Total ARIN prefixes after maximum aggregation: 56559 Prefixes being announced from the ARIN address blocks: 74813 Unique aggregates announced from the ARIN address blocks: 28435 ARIN Region origin ASes present in the Internet Routing Table: 10518 ARIN Region origin ASes announcing only one prefix: 3938 ARIN Region transit ASes present in the Internet Routing Table: 968 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 287616256 Equivalent to 17 /8s, 36 /16s and 173 /24s Percentage of available ARIN address space announced: 71.4
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: 35851 Total RIPE prefixes after maximum aggregation: 24143 Prefixes being announced from the RIPE address blocks: 32884 Unique aggregates announced from the RIPE address blocks: 22138 RIPE Region origin ASes present in the Internet Routing Table: 7643 RIPE Region origin ASes announcing only one prefix: 3998 RIPE Region transit ASes present in the Internet Routing Table: 1278 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 236720512 Equivalent to 14 /8s, 28 /16s and 17 /24s Percentage of available RIPE address space announced: 70.5
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: 10223 Total LACNIC prefixes after maximum aggregation: 3451 Prefixes being announced from the LACNIC address blocks: 8398 Unique aggregates announced from the LACNIC address blocks: 5069 LACNIC Region origin ASes present in the Internet Routing Table: 668 LACNIC Region origin ASes announcing only one prefix: 217 LACNIC Region transit ASes present in the Internet Routing Table: 120 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 25337088 Equivalent to 1 /8s, 130 /16s and 157 /24s Percentage of available LACNIC address space announced: 37.8
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: 1897 Total AfriNIC prefixes after maximum aggregation: 885 Prefixes being announced from the AfriNIC address blocks: 1257 Unique aggregates announced from the AfriNIC address blocks: 885 AfriNIC Region origin ASes present in the Internet Routing Table: 147 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3710208 Equivalent to 0 /8s, 56 /16s and 157 /24s Percentage of available AfriNIC address space announced: 11.1
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 984 6480 204 CHINANET-BACKBONE 9583 852 109 15 Sify Limited 4766 698 3927 299 Korea Telecom (KIX) 4755 664 255 61 Videsh Sanchar Nigam Ltd. Aut 1221 659 1428 472 Telstra Pty Ltd 9498 534 211 73 BHARTI BT INTERNET LTD. 7545 517 108 70 TPG Internet Pty Ltd 17488 514 31 7 Hathway IP Over Cable Interne 17676 480 6949 104 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 365 74 158 Wantree Development 2907 341 1763 318 SINET Japan 9929 332 218 50 China Netcom Corp. 18101 326 68 26 Reliance Infocom Ltd Internet 17974 320 77 38 PT TELEKOMUNIKASI INDONESIA 17557 314 25 160 Pakistan Telecom 7474 297 211 229 SingTel Optus Pty Ltd 4780 282 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd 9800 260 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1466 6263 948 AT&T WorldNet Services 4323 1208 711 235 Time Warner Telecom 721 1021 21954 308 DLA Systems Automation Center 174 990 5787 933 Cogent Communications 6197 981 451 508 BellSouth Network Solutions, 701 958 8064 793 UUNET Technologies, Inc. 18566 908 272 8 Covad Communications 2386 884 505 663 AT&T Data Communications Serv 1239 849 2790 608 Sprint 209 692 3607 542 Qwest 6198 692 455 240 BellSouth Network Solutions, 20115 664 582 356 Charter Communications 22773 631 1480 40 Cox Communications, Inc. 11492 628 81 12 Cable One 19262 627 1831 155 Verizon Global Networks 19029 624 152 115 New Edge Networks 852 571 1092 380 Telus Advanced Communications 855 571 244 64 Canadian Research Network 19916 563 49 54 OLM LLC 3602 522 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 586 1952 462 UUNET - Commercial IP service 3301 305 1071 290 TeliaNet Sweden 3352 302 1498 29 Ibernet, Internet Access Netw 3320 281 3477 235 Deutsche Telekom AG 8220 274 474 268 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 3246 229 487 219 Song Networks 6746 224 86 196 Dynamic Network Technologies, 8708 222 274 205 Romania Data Systems S.A. 1257 204 712 173 SWIPnet Swedish IP Network 3269 186 1925 70 TELECOM ITALIA 5515 176 839 124 Sonera Solution Autonomous Sy 3215 174 1438 85 France Telecom Transpac 786 173 1794 173 The JANET IP Service 8551 171 165 25 Bezeq International 8866 171 37 12 Bulgarian Telecommunication C 24863 169 38 9 LINKdotNET AS number 3300 166 171 94 AUCS Communications Services 5400 165 328 135 BT Ignite European Backbone 6830 163 733 34 UPC Distribution Services
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 577 1051 221 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 305 110 78 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 156 74 17 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 117 149 77 AVANTEL, S.A. 21826 116 15 19 INTERCABLE 5639 113 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 23216 105 23 10 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 14522 96 12 8 SatNet S.A. 25620 96 6 3 COTAS LTDA 11311 95 8 23 Sinectis S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 163 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 103 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 73 87 11 Itissalat Al-MAGHRIB 24835 60 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 12455 28 6 5 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 21280 20 4 4 Swift Global Kenya Ltd.Is an 12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1208 973 Time Warner Telecom 18566 908 900 Covad Communications 9583 852 837 Sify Limited 4134 984 780 CHINANET-BACKBONE 721 1021 713 DLA Systems Automation Center 11492 628 616 Cable One 4755 664 603 Videsh Sanchar Nigam Ltd. Aut 22773 631 591 Cox Communications, Inc. 19029 624 509 New Edge Networks 19916 563 509 OLM LLC 855 571 507 Canadian Research Network 17488 514 507 Hathway IP Over Cable Interne 5668 518 493 CenturyTel Internet Holdings, 6197 981 473 BellSouth Network Solutions, 19262 627 472 Verizon Global Networks 9498 534 461 BHARTI BT INTERNET LTD. 6198 692 452 BellSouth Network Solutions, 7545 517 447 TPG Internet Pty Ltd 7757 462 443 AT&T Broadband 3602 522 416 Sprint Canada, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 36361 UNALLOCATED 63.99.30.0/24 701 UUNET Technologies, 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 36361 UNALLOCATED 208.10.148.0/24 701 UUNET Technologies, 65518 PRIVATE 211.144.192.0/19 24421 *
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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 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 /8:18 /9:9 /10:8 /11:23 /12:88 /13:200 /14:350 /15:695 /16:8714 /17:3081 /18:5097 /19:11295 /20:12537 /21:10823 /22:13880 /23:15035 /24:98784 /25:352 /26:264 /27:215 /28:58 /29:24 /30:32 /31:3 /32:40
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 891 908 Covad Communications 6197 786 981 BellSouth Network Solutions, 7018 750 1466 AT&T WorldNet Services 9583 672 852 Sify Limited 11492 620 628 Cable One 2386 614 884 AT&T Data Communications Serv 4323 583 1208 Time Warner Telecom 6198 557 692 BellSouth Network Solutions, 19916 557 563 OLM LLC 19029 548 624 New Edge Networks 4766 503 698 Korea Telecom (KIX) 7757 444 462 AT&T Broadband 855 443 571 Canadian Research Network 7011 426 496 Citizens Utilities 5668 403 518 CenturyTel Internet Holdings, 702 371 586 UUNET - Commercial IP service 1239 370 849 Sprint 15270 344 373 PaeTec.net -a division of Pae 6517 340 368 Yipes Communications, Inc. 22773 330 631 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:43 12:1637 13:1 15:12 16:3 17:3 18:4 20:44 24:859 25:1 30:2 32:66 38:196 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:118 59:162 60:180 61:803 62:769 63:1903 64:2987 65:2246 66:3071 67:581 68:676 69:1434 70:310 71:52 72:622 73:23 74:6 80:745 81:579 82:514 83:365 84:346 85:438 86:312 87:171 88:23 89:29 124:19 125:268 128:151 129:173 130:106 131:314 132:32 133:7 134:146 135:48 136:168 137:61 138:191 139:86 140:459 141:133 142:413 143:144 144:224 145:38 146:304 147:136 148:327 149:184 150:112 151:75 152:61 153:103 154:6 155:185 156:96 157:123 158:158 159:180 160:87 161:68 162:219 163:142 164:174 165:201 166:147 167:237 168:472 169:140 170:315 171:12 172:1 190:30 192:5763 193:3376 194:2510 195:1769 196:761 198:3908 199:3266 200:4163 201:601 202:6425 203:6762 204:3884 205:2093 206:2405 207:2915 208:1989 209:3728 210:1950 211:813 212:1301 213:1462 214:333 215:41 216:3987 217:1149 218:238 219:143 220:637 221:343 222:153
End of report
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