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Routing Table Report 04:00 +10GMT Mon 13 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 182174 Prefixes after maximum aggregation: 101342 Unique aggregates announced to Internet: 88108 Total ASes present in the Internet Routing Table: 21468 Origin-only ASes present in the Internet Routing Table: 18658 Origin ASes announcing only one prefix: 8857 Transit ASes present in the Internet Routing Table: 2810 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: 24 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: 14 Number of addresses announced to Internet: 1493678243 Equivalent to 89 /8s, 7 /16s and 184 /24s Percentage of available address space announced: 40.3 Percentage of allocated address space announced: 59.5 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 89079
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38363 Total APNIC prefixes after maximum aggregation: 16433 Prefixes being announced from the APNIC address blocks: 36061 Unique aggregates announced from the APNIC address blocks: 17527 APNIC Region origin ASes present in the Internet Routing Table: 2467 APNIC Region origin ASes announcing only one prefix: 685 APNIC Region transit ASes present in the Internet Routing Table: 382 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 213092833 Equivalent to 12 /8s, 179 /16s and 137 /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: 95885 Total ARIN prefixes after maximum aggregation: 56534 Prefixes being announced from the ARIN address blocks: 75175 Unique aggregates announced from the ARIN address blocks: 28401 ARIN Region origin ASes present in the Internet Routing Table: 10497 ARIN Region origin ASes announcing only one prefix: 3927 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: 287275776 Equivalent to 17 /8s, 31 /16s and 123 /24s Percentage of available ARIN address space announced: 71.3
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: 35749 Total RIPE prefixes after maximum aggregation: 24056 Prefixes being announced from the RIPE address blocks: 32771 Unique aggregates announced from the RIPE address blocks: 22069 RIPE Region origin ASes present in the Internet Routing Table: 7627 RIPE Region origin ASes announcing only one prefix: 3986 RIPE Region transit ASes present in the Internet Routing Table: 1276 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 234301824 Equivalent to 13 /8s, 247 /16s and 41 /24s Percentage of available RIPE address space announced: 69.8
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: 10293 Total LACNIC prefixes after maximum aggregation: 3445 Prefixes being announced from the LACNIC address blocks: 8474 Unique aggregates announced from the LACNIC address blocks: 4962 LACNIC Region origin ASes present in the Internet Routing Table: 667 LACNIC Region origin ASes announcing only one prefix: 217 LACNIC Region transit ASes present in the Internet Routing Table: 121 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 25381376 Equivalent to 1 /8s, 131 /16s and 74 /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: 1875 Total AfriNIC prefixes after maximum aggregation: 874 Prefixes being announced from the AfriNIC address blocks: 1247 Unique aggregates announced from the AfriNIC address blocks: 880 AfriNIC Region origin ASes present in the Internet Routing Table: 144 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3168256 Equivalent to 0 /8s, 48 /16s and 88 /24s Percentage of available AfriNIC address space announced: 9.4
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 985 6480 204 CHINANET-BACKBONE 9583 853 109 15 Sify Limited 4766 710 3927 301 Korea Telecom (KIX) 1221 650 1428 473 Telstra Pty Ltd 4755 648 256 55 Videsh Sanchar Nigam Ltd. Aut 9498 528 211 73 BHARTI BT INTERNET LTD. 7545 517 108 70 TPG Internet Pty Ltd 17488 515 31 7 Hathway IP Over Cable Interne 17676 480 6949 104 Softbank BB Corp. 9443 411 94 85 Primus Telecommunications 4802 365 75 157 Wantree Development 2907 339 1763 316 SINET Japan 9929 335 218 50 China Netcom Corp. 18101 325 68 26 Reliance Infocom Ltd Internet 17974 319 77 38 PT TELEKOMUNIKASI INDONESIA 17716 318 33 270 National Taiwan University 17557 310 24 160 Pakistan Telecom 7474 297 211 229 SingTel Optus Pty Ltd 4780 282 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1464 6263 946 AT&T WorldNet Services 4323 1207 711 235 Time Warner Telecom 721 1022 21954 309 DLA Systems Automation Center 174 991 5788 936 Cogent Communications 6197 979 450 507 BellSouth Network Solutions, 19029 974 152 115 New Edge Networks 701 954 8064 790 UUNET Technologies, Inc. 18566 907 272 8 Covad Communications 2386 890 505 664 AT&T Data Communications Serv 1239 854 2790 610 Sprint 209 692 3607 541 Qwest 6198 692 455 240 BellSouth Network Solutions, 20115 663 566 355 Charter Communications 11492 628 81 12 Cable One 22773 628 1479 38 Cox Communications, Inc. 19262 621 1801 151 Verizon Global Networks 855 573 244 64 Canadian Research Network 852 572 1092 381 Telus Advanced Communications 19916 563 49 54 OLM LLC 3602 521 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 589 1954 465 UUNET - Commercial IP service 3301 305 1071 290 TeliaNet Sweden 3352 301 1484 33 Ibernet, Internet Access Netw 3320 281 3477 235 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 3246 229 487 219 Song Networks 8708 223 275 206 Romania Data Systems S.A. 6746 221 85 193 Dynamic Network Technologies, 9121 210 913 26 TTnet Autonomous System 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 177 840 125 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 3215 173 1422 84 France Telecom Transpac 8551 172 165 26 Bezeq International 8866 172 37 13 Bulgarian Telecommunication C 24863 168 38 9 LINKdotNET AS number 3300 166 171 94 AUCS Communications Services 5400 165 328 135 BT Ignite European Backbone
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 575 1049 219 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 13999 136 84 10 Mega Cable S.A. de C.V. 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 116 147 76 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 25620 99 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 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 159 60 7 TEDATA 5536 121 8 15 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 102 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 73 87 11 Itissalat Al-MAGHRIB 20928 58 16 2 Noor Advanced Technologies AS 24835 58 50 7 RAYA Telecom - Egypt 5713 38 166 34 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 25 7 10 MAURITIUS TELECOM 8524 23 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 21 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 1207 972 Time Warner Telecom 18566 907 899 Covad Communications 19029 974 859 New Edge Networks 9583 853 838 Sify Limited 4134 985 781 CHINANET-BACKBONE 721 1022 713 DLA Systems Automation Center 11492 628 616 Cable One 4755 648 593 Videsh Sanchar Nigam Ltd. Aut 22773 628 590 Cox Communications, Inc. 855 573 509 Canadian Research Network 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 5668 517 493 CenturyTel Internet Holdings, 6197 979 472 BellSouth Network Solutions, 19262 621 470 Verizon Global Networks 9498 528 455 BHARTI BT INTERNET LTD. 6198 692 452 BellSouth Network Solutions, 7545 517 447 TPG Internet Pty Ltd 7757 461 442 AT&T Broadband 3602 521 415 Sprint Canada, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 36537 UNALLOCATED 72.21.172.0/24 701 UUNET Technologies, 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 64811 PRIVATE 202.127.124.0/24 24405 Beijing CJWX Communi 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 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 187.1.168.40/32 17716 National Taiwan University 187.1.231.78/32 17716 National Taiwan University 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 /11:22 /12:87 /13:199 /14:350 /15:696 /16:8708 /17:3071 /18:5065 /19:11284 /20:12533 /21:10873 /22:13879 /23:15098 /24:98956 /25:349 /26:276 /27:204 /28:56 /29:23 /30:54 /31:3 /32:353
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 19029 896 974 New Edge Networks 18566 890 907 Covad Communications 6197 784 979 BellSouth Network Solutions, 7018 749 1464 AT&T WorldNet Services 9583 672 853 Sify Limited 2386 621 890 AT&T Data Communications Serv 11492 620 628 Cable One 4323 582 1207 Time Warner Telecom 6198 557 692 BellSouth Network Solutions, 19916 557 563 OLM LLC 4766 514 710 Korea Telecom (KIX) 855 445 573 Canadian Research Network 7757 443 461 AT&T Broadband 7011 425 495 Citizens Utilities 5668 403 517 CenturyTel Internet Holdings, 702 373 589 UUNET - Commercial IP service 1239 370 854 Sprint 15270 342 371 PaeTec.net -a division of Pae 6517 340 368 Yipes Communications, Inc. 22773 329 628 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:42 12:1645 13:1 15:12 16:3 17:3 18:4 20:44 24:864 25:1 30:2 32:66 38:195 40:53 44:3 47:3 52:4 55:1 56:3 57:33 58:115 59:160 60:180 61:795 62:763 63:1898 64:3038 65:2261 66:3074 67:577 68:673 69:1437 70:309 71:51 72:619 73:23 74:6 80:756 81:580 82:512 83:362 84:344 85:425 86:305 87:166 88:21 89:26 124:12 125:265 128:147 129:173 130:106 131:312 132:32 133:7 134:146 135:46 136:166 137:61 138:187 139:85 140:456 141:132 142:414 143:144 144:224 145:39 146:307 147:137 148:326 149:186 150:112 151:73 152:62 153:103 154:6 155:186 156:95 157:123 158:158 159:179 160:87 161:68 162:219 163:142 164:173 165:203 166:147 167:236 168:474 169:140 170:315 171:12 190:30 192:5731 193:3363 194:2477 195:1763 196:760 198:3908 199:3258 200:4194 201:603 202:6439 203:6778 204:3886 205:2103 206:2390 207:2928 208:1991 209:3856 210:1949 211:813 212:1291 213:1449 214:333 215:40 216:4085 217:1146 218:238 219:143 220:636 221:341 222:150
End of report
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