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Routing Table Report 04:00 +10GMT Tue 14 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 181998 Prefixes after maximum aggregation: 101185 Unique aggregates announced to Internet: 88171 Total ASes present in the Internet Routing Table: 21495 Origin-only ASes present in the Internet Routing Table: 18669 Origin ASes announcing only one prefix: 8869 Transit ASes present in the Internet Routing Table: 2826 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: 27 Prefixes from unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1493585824 Equivalent to 89 /8s, 6 /16s and 79 /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: 88868
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38018 Total APNIC prefixes after maximum aggregation: 16179 Prefixes being announced from the APNIC address blocks: 35779 Unique aggregates announced from the APNIC address blocks: 17520 APNIC Region origin ASes present in the Internet Routing Table: 2468 APNIC Region origin ASes announcing only one prefix: 685 APNIC Region transit ASes present in the Internet Routing Table: 383 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 213087712 Equivalent to 12 /8s, 179 /16s and 117 /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: 95938 Total ARIN prefixes after maximum aggregation: 56568 Prefixes being announced from the ARIN address blocks: 75179 Unique aggregates announced from the ARIN address blocks: 28410 ARIN Region origin ASes present in the Internet Routing Table: 10508 ARIN Region origin ASes announcing only one prefix: 3932 ARIN Region transit ASes present in the Internet Routing Table: 973 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 287318016 Equivalent to 17 /8s, 32 /16s and 32 /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: 35846 Total RIPE prefixes after maximum aggregation: 24102 Prefixes being announced from the RIPE address blocks: 32871 Unique aggregates announced from the RIPE address blocks: 22117 RIPE Region origin ASes present in the Internet Routing Table: 7638 RIPE Region origin ASes announcing only one prefix: 3993 RIPE Region transit ASes present in the Internet Routing Table: 1284 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 234311040 Equivalent to 13 /8s, 247 /16s and 77 /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: 10307 Total LACNIC prefixes after maximum aggregation: 3457 Prefixes being announced from the LACNIC address blocks: 8477 Unique aggregates announced from the LACNIC address blocks: 4965 LACNIC Region origin ASes present in the Internet Routing Table: 668 LACNIC Region origin ASes announcing only one prefix: 218 LACNIC Region transit ASes present in the Internet Routing Table: 121 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 25398272 Equivalent to 1 /8s, 131 /16s and 140 /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: 1881 Total AfriNIC prefixes after maximum aggregation: 879 Prefixes being announced from the AfriNIC address blocks: 1246 Unique aggregates announced from the AfriNIC address blocks: 882 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 41 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: 3169536 Equivalent to 0 /8s, 48 /16s and 93 /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 655 1428 471 Telstra Pty Ltd 4755 652 256 55 Videsh Sanchar Nigam Ltd. Aut 9498 534 211 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 340 1763 317 SINET Japan 9929 335 218 50 China Netcom Corp. 18101 326 68 26 Reliance Infocom Ltd Internet 17974 314 76 33 PT TELEKOMUNIKASI INDONESIA 17557 311 25 161 Pakistan Telecom 7474 297 211 229 SingTel Optus Pty Ltd 4780 281 226 16 Digital United Inc. 9837 274 78 170 Powertel Ltd 9800 259 410 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 1207 711 235 Time Warner Telecom 721 1022 21954 309 DLA Systems Automation Center 174 990 5787 935 Cogent Communications 6197 980 451 508 BellSouth Network Solutions, 19029 973 152 115 New Edge Networks 701 954 8048 790 UUNET Technologies, Inc. 18566 907 272 8 Covad Communications 2386 890 505 664 AT&T Data Communications Serv 1239 853 2790 609 Sprint 209 693 3607 542 Qwest 6198 692 455 240 BellSouth Network Solutions, 20115 664 582 356 Charter Communications 11492 628 81 12 Cable One 22773 628 1479 38 Cox Communications, Inc. 19262 623 1801 151 Verizon Global Networks 852 573 1092 382 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 702 588 1952 464 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 274 474 268 COLT Telecommunications 680 242 2025 239 DFN-IP service G-WiN 9121 227 930 28 TTnet Autonomous System 3246 226 455 216 Song Networks 6746 223 86 195 Dynamic Network Technologies, 8708 222 274 205 Romania Data Systems S.A. 1257 195 712 173 SWIPnet Swedish IP Network 3269 184 1925 70 TELECOM ITALIA 5515 176 839 124 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 3215 173 1422 84 France Telecom Transpac 8866 172 37 13 Bulgarian Telecommunication C 8551 171 165 25 Bezeq International 24863 169 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 120 8 14 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 24835 59 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 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 26 8 11 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 973 858 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 652 597 Videsh Sanchar Nigam Ltd. Aut 22773 628 590 Cox Communications, Inc. 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 855 571 507 Canadian Research Network 5668 517 493 CenturyTel Internet Holdings, 6197 980 472 BellSouth Network Solutions, 19262 623 472 Verizon Global Networks 9498 534 461 BHARTI BT INTERNET LTD. 6198 692 452 BellSouth Network Solutions, 7545 517 447 TPG Internet Pty Ltd 7757 461 442 AT&T Broadband 3602 522 416 Sprint Canada, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 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 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 /11:22 /12:87 /13:199 /14:350 /15:695 /16:8703 /17:3075 /18:5080 /19:11290 /20:12549 /21:10893 /22:13889 /23:15117 /24:99029 /25:349 /26:277 /27:204 /28:57 /29:24 /30:32 /31:3 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 19029 895 973 New Edge Networks 18566 890 907 Covad Communications 6197 785 980 BellSouth Network Solutions, 7018 750 1466 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) 855 443 571 Canadian Research Network 7757 443 461 AT&T Broadband 7011 425 495 Citizens Utilities 5668 403 517 CenturyTel Internet Holdings, 702 373 588 UUNET - Commercial IP service 1239 370 853 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 12:1644 13:1 15:12 16:3 17:3 18:4 20:44 24:864 25:1 30:2 32:66 38:196 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:115 59:160 60:180 61:802 62:768 63:1902 64:3039 65:2263 66:3071 67:576 68:673 69:1436 70:309 71:51 72:618 73:23 74:6 80:758 81:576 82:509 83:360 84:345 85:428 86:304 87:168 88:23 89:26 124:13 125:263 128:147 129:173 130:106 131:313 132:32 133:7 134:146 135:46 136:166 137:61 138:186 139:85 140:456 141:133 142:413 143:142 144:224 145:39 146:307 147:137 148:327 149:186 150:112 151:73 152:62 153:103 154:6 155:186 156:95 157:123 158:158 159:179 160:87 161:68 162:219 163:142 164:173 165:204 166:147 167:236 168:473 169:140 170:315 171:12 190:30 192:5770 193:3367 194:2507 195:1766 196:758 198:3904 199:3264 200:4193 201:603 202:6393 203:6769 204:3887 205:2099 206:2406 207:2930 208:1987 209:3857 210:1949 211:813 212:1294 213:1454 214:332 215:40 216:4085 217:1159 218:238 219:151 220:636 221:342 222:150
End of report
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