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Routing Table Report 04:00 +10GMT Fri 10 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 181752 Prefixes after maximum aggregation: 100994 Unique aggregates announced to Internet: 88121 Total ASes present in the Internet Routing Table: 21472 Origin-only ASes present in the Internet Routing Table: 18653 Origin ASes announcing only one prefix: 8855 Transit ASes present in the Internet Routing Table: 2819 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 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: 1491268768 Equivalent to 88 /8s, 226 /16s and 244 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 59.4 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88632
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37986 Total APNIC prefixes after maximum aggregation: 16043 Prefixes being announced from the APNIC address blocks: 35752 Unique aggregates announced from the APNIC address blocks: 17486 APNIC Region origin ASes present in the Internet Routing Table: 2463 APNIC Region origin ASes announcing only one prefix: 683 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: 213115616 Equivalent to 12 /8s, 179 /16s and 226 /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: 95817 Total ARIN prefixes after maximum aggregation: 56549 Prefixes being announced from the ARIN address blocks: 75179 Unique aggregates announced from the ARIN address blocks: 28374 ARIN Region origin ASes present in the Internet Routing Table: 10503 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: 287021312 Equivalent to 17 /8s, 27 /16s and 153 /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: 35735 Total RIPE prefixes after maximum aggregation: 24065 Prefixes being announced from the RIPE address blocks: 32750 Unique aggregates announced from the RIPE address blocks: 22058 RIPE Region origin ASes present in the Internet Routing Table: 7622 RIPE Region origin ASes announcing only one prefix: 3978 RIPE Region transit ASes present in the Internet Routing Table: 1275 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 232122752 Equivalent to 13 /8s, 213 /16s and 233 /24s Percentage of available RIPE address space announced: 69.2
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: 10330 Total LACNIC prefixes after maximum aggregation: 3459 Prefixes being announced from the LACNIC address blocks: 8510 Unique aggregates announced from the LACNIC address blocks: 4964 LACNIC Region origin ASes present in the Internet Routing Table: 670 LACNIC Region origin ASes announcing only one prefix: 220 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 25217024 Equivalent to 1 /8s, 128 /16s and 200 /24s Percentage of available LACNIC address space announced: 37.6
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: 1876 Total AfriNIC prefixes after maximum aggregation: 878 Prefixes being announced from the AfriNIC address blocks: 1243 Unique aggregates announced from the AfriNIC address blocks: 874 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 42 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3184384 Equivalent to 0 /8s, 48 /16s and 151 /24s Percentage of available AfriNIC address space announced: 9.5
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 985 6480 204 CHINANET-BACKBONE 9583 851 109 15 Sify Limited 4755 806 258 64 Videsh Sanchar Nigam Ltd. Aut 4766 710 3927 301 Korea Telecom (KIX) 1221 674 1428 474 Telstra Pty Ltd 9498 525 211 73 BHARTI BT INTERNET LTD. 7545 516 108 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 366 75 157 Wantree Development 2907 339 1763 316 SINET Japan 9929 334 218 50 China Netcom Corp. 18101 325 68 26 Reliance Infocom Ltd Internet 17974 319 77 38 PT TELEKOMUNIKASI INDONESIA 17557 311 25 161 Pakistan Telecom 7474 297 211 229 SingTel Optus Pty Ltd 4780 282 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1474 6264 955 AT&T WorldNet Services 4323 1209 720 238 Time Warner Telecom 721 1022 21954 309 DLA Systems Automation Center 174 992 5788 937 Cogent Communications 19029 980 152 115 New Edge Networks 6197 979 451 508 BellSouth Network Solutions, 701 951 8064 793 UUNET Technologies, Inc. 18566 904 272 8 Covad Communications 2386 890 505 665 AT&T Data Communications Serv 1239 850 2790 610 Sprint 6198 695 455 240 BellSouth Network Solutions, 209 685 3606 537 Qwest 20115 663 565 354 Charter Communications 11492 628 81 12 Cable One 22773 624 1479 38 Cox Communications, Inc. 19262 619 1785 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 522 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 591 1955 467 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 222 274 205 Romania Data Systems S.A. 6746 220 85 192 Dynamic Network Technologies, 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 8866 173 37 13 Bulgarian Telecommunication C 24863 169 38 9 LINKdotNET AS number 3300 165 171 94 AUCS Communications Services 5400 165 328 135 BT Ignite European Backbone 6830 161 733 34 UPC Distribution Services 12479 158 322 5 Uni2 Autonomous System
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 183 11 6 Telefonica del Sur S.A. 13999 169 84 10 Mega Cable S.A. de C.V. 7303 155 73 19 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 117 148 77 AVANTEL, S.A. 21826 116 15 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 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. 14522 95 12 8 SatNet 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 122 8 16 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 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 1209 971 Time Warner Telecom 18566 904 896 Covad Communications 19029 980 865 New Edge Networks 9583 851 836 Sify Limited 4134 985 781 CHINANET-BACKBONE 4755 806 742 Videsh Sanchar Nigam Ltd. Aut 721 1022 713 DLA Systems Automation Center 11492 628 616 Cable One 22773 624 586 Cox Communications, Inc. 855 573 509 Canadian Research Network 19916 563 509 OLM LLC 17488 515 508 Hathway IP Over Cable Interne 5668 516 492 CenturyTel Internet Holdings, 6197 979 471 BellSouth Network Solutions, 19262 619 468 Verizon Global Networks 6198 695 455 BellSouth Network Solutions, 9498 525 452 BHARTI BT INTERNET LTD. 7545 516 446 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 64811 PRIVATE 202.127.124.0/24 24405 Beijing CJWX Communi 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 /14:347 /15:690 /16:8707 /17:3007 /18:5061 /19:11286 /20:12502 /21:10856 /22:13893 /23:15108 /24:98986 /25:315 /26:267 /27:204 /28:61 /29:24 /30:54 /31:3 /32:38
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 19029 902 980 New Edge Networks 18566 887 904 Covad Communications 6197 784 979 BellSouth Network Solutions, 7018 752 1474 AT&T WorldNet Services 9583 670 851 Sify Limited 2386 620 890 AT&T Data Communications Serv 11492 620 628 Cable One 4323 582 1209 Time Warner Telecom 6198 560 695 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 418 487 Citizens Utilities 5668 403 516 CenturyTel Internet Holdings, 702 375 591 UUNET - Commercial IP service 1239 370 850 Sprint 15270 341 370 PaeTec.net -a division of Pae 6517 339 365 Yipes Communications, Inc. 17488 327 515 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:42 12:1642 13:1 15:12 16:3 17:3 18:4 20:45 24:860 25:1 30:2 32:66 38:198 40:53 44:3 47:3 52:4 55:1 56:3 57:33 58:115 59:164 60:179 61:793 62:768 63:1895 64:3067 65:2264 66:3076 67:578 68:672 69:1430 70:309 71:51 72:627 73:23 74:5 80:760 81:581 82:509 83:357 84:345 85:421 86:308 87:167 88:20 89:22 124:12 125:266 128:149 129:173 130:104 131:315 132:33 133:7 134:146 135:46 136:169 137:60 138:183 139:85 140:386 141:131 142:414 143:144 144:224 145:39 146:316 147:136 148:322 149:186 150:114 151:73 152:61 153:103 154:6 155:186 156:95 157:121 158:158 159:179 160:88 161:68 162:219 163:142 164:174 165:203 166:145 167:236 168:473 169:139 170:313 171:12 190:30 192:5771 193:3359 194:2509 195:1761 196:752 198:3909 199:3255 200:4209 201:603 202:6460 203:6772 204:3890 205:2096 206:2432 207:2926 208:1988 209:3841 210:1914 211:803 212:1290 213:1467 214:331 215:40 216:4090 217:1151 218:238 219:135 220:633 221:340 222:149
End of report
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