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Routing Table Report 04:00 +10GMT Mon 27 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184905 Prefixes after maximum aggregation: 102457 Unique aggregates announced to Internet: 90036 Total ASes present in the Internet Routing Table: 21800 Origin-only ASes present in the Internet Routing Table: 18935 Origin ASes announcing only one prefix: 9013 Transit ASes present in the Internet Routing Table: 2865 Transit-only ASes present in the Internet Routing Table: 66 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: 78 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1514910944 Equivalent to 90 /8s, 75 /16s and 180 /24s Percentage of available address space announced: 40.9 Percentage of allocated address space announced: 60.3 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90553
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38928 Total APNIC prefixes after maximum aggregation: 16303 Prefixes being announced from the APNIC address blocks: 36726 Unique aggregates announced from the APNIC address blocks: 17918 APNIC Region origin ASes present in the Internet Routing Table: 2524 APNIC Region origin ASes announcing only one prefix: 713 APNIC Region transit ASes present in the Internet Routing Table: 395 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 218988256 Equivalent to 13 /8s, 13 /16s and 126 /24s Percentage of available APNIC address space announced: 68.5
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: 96624 Total ARIN prefixes after maximum aggregation: 57134 Prefixes being announced from the ARIN address blocks: 75805 Unique aggregates announced from the ARIN address blocks: 28933 ARIN Region origin ASes present in the Internet Routing Table: 10593 ARIN Region origin ASes announcing only one prefix: 3953 ARIN Region transit ASes present in the Internet Routing Table: 977 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293224960 Equivalent to 17 /8s, 122 /16s and 66 /24s Percentage of available ARIN address space announced: 72.8
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: 36704 Total RIPE prefixes after maximum aggregation: 24539 Prefixes being announced from the RIPE address blocks: 33756 Unique aggregates announced from the RIPE address blocks: 22732 RIPE Region origin ASes present in the Internet Routing Table: 7792 RIPE Region origin ASes announcing only one prefix: 4084 RIPE Region transit ASes present in the Internet Routing Table: 1306 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242631808 Equivalent to 14 /8s, 118 /16s and 68 /24s Percentage of available RIPE address space announced: 72.3
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: 10533 Total LACNIC prefixes after maximum aggregation: 3593 Prefixes being announced from the LACNIC address blocks: 8701 Unique aggregates announced from the LACNIC address blocks: 5163 LACNIC Region origin ASes present in the Internet Routing Table: 679 LACNIC Region origin ASes announcing only one prefix: 219 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26084608 Equivalent to 1 /8s, 142 /16s and 5 /24s Percentage of available LACNIC address space announced: 38.9
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: 2032 Total AfriNIC prefixes after maximum aggregation: 888 Prefixes being announced from the AfriNIC address blocks: 1371 Unique aggregates announced from the AfriNIC address blocks: 903 AfriNIC Region origin ASes present in the Internet Routing Table: 149 AfriNIC Region origin ASes announcing only one prefix: 44 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: 3946240 Equivalent to 0 /8s, 60 /16s and 55 /24s Percentage of available AfriNIC address space announced: 11.8
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 1004 6944 209 CHINANET-BACKBONE 4755 888 258 67 Videsh Sanchar Nigam Ltd. Aut 9583 875 109 16 Sify Limited 4766 676 3923 301 Korea Telecom (KIX) 1221 623 1428 476 Telstra Pty Ltd 9498 559 212 73 BHARTI BT INTERNET LTD. 7545 524 108 71 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 374 75 169 Wantree Development 2907 336 1749 312 SINET Japan 17974 330 89 32 PT TELEKOMUNIKASI INDONESIA 18101 324 68 23 Reliance Infocom Ltd Internet 9929 318 218 53 China Netcom Corp. 17557 318 25 163 Pakistan Telecom 17849 317 20 105 Telecommunications Technology 7474 305 211 232 SingTel Optus Pty Ltd 4780 280 226 16 Digital United Inc. 9837 270 77 166 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1506 6264 965 AT&T WorldNet Services 4323 1243 714 247 Time Warner Telecom 721 1010 21962 307 DLA Systems Automation Center 6197 1005 620 469 BellSouth Network Solutions, 174 960 5784 907 Cogent Communications 701 945 8048 781 UUNET Technologies, Inc. 18566 923 272 8 Covad Communications 2386 874 520 664 AT&T Data Communications Serv 1239 853 2805 601 Sprint 19029 783 152 112 New Edge Networks 209 697 3606 540 Qwest 20115 674 591 363 Charter Communications 19262 664 1964 155 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 624 86 20 Cable One 7011 611 212 398 Citizens Utilities 6198 583 506 239 BellSouth Network Solutions, 852 576 1088 385 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 585 1951 460 UUNET - Commercial IP service 3301 307 1071 292 TeliaNet Sweden 3352 307 1564 31 Ibernet, Internet Access Netw 8220 289 473 268 COLT Telecommunications 3320 279 3477 231 Deutsche Telekom AG 680 243 2025 240 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 230 89 202 Dynamic Network Technologies, 8708 216 276 201 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 194 2085 75 TELECOM ITALIA 3215 186 1542 88 France Telecom Transpac 9121 175 931 27 TTnet Autonomous System 786 171 1778 171 The JANET IP Service 8866 170 37 14 Bulgarian Telecommunication C 5400 166 328 135 BT Ignite European Backbone 6830 166 765 35 UPC Distribution Services 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 598 1051 228 UniNet S.A. de C.V. 22047 384 142 10 VTR PUNTO NET S.A. 11172 320 110 83 Servicios Alestra S.A de C.V 16814 279 18 7 NSS, S.A. 14117 185 12 6 Telefonica del Sur S.A. 7303 157 75 18 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 19169 122 8 32 Telconet 6503 121 149 75 AVANTEL, S.A. 10481 121 48 8 Prima S.A. 21826 121 16 20 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 23216 100 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 19429 95 52 42 E.T.B. 4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 276 803 232 The Internet Solution 8452 165 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 15475 128 84 4 Nile Online 2018 124 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 82 50 7 RAYA Telecom - Egypt 2905 74 155 67 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 12455 38 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 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 20 13 17 SONATEL-AS Autonomous System 21280 20 5 5 Swift Global Kenya Ltd.Is an 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1243 996 Time Warner Telecom 18566 923 915 Covad Communications 9583 875 859 Sify Limited 4755 888 821 Videsh Sanchar Nigam Ltd. Aut 4134 1004 795 CHINANET-BACKBONE 721 1010 703 DLA Systems Automation Center 19029 783 671 New Edge Networks 11492 624 604 Cable One 22773 641 601 Cox Communications, Inc. 6197 1005 536 BellSouth Network Solutions, 19262 664 509 Verizon Global Networks 19916 563 509 OLM LLC 5668 526 501 CenturyTel Internet Holdings, 17488 501 494 Hathway IP Over Cable Interne 9498 559 486 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7757 473 454 AT&T Broadband 7545 524 453 TPG Internet Pty Ltd 3602 538 429 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.19.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.23.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
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 192.72.0.0/18 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 /11:27 /12:87 /13:199 /14:353 /15:692 /16:8769 /17:3147 /18:5157 /19:11437 /20:12851 /21:11090 /22:14184 /23:15322 /24:100545 /25:344 /26:247 /27:218 /28:66 /29:65 /30:36 /31:0 /32:34
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 906 923 Covad Communications 7018 800 1506 AT&T WorldNet Services 6197 794 1005 BellSouth Network Solutions, 19029 710 783 New Edge Networks 9583 694 875 Sify Limited 11492 615 624 Cable One 4323 601 1243 Time Warner Telecom 2386 598 874 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 523 611 Citizens Utilities 4766 485 676 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 441 583 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 406 526 CenturyTel Internet Holdings, 1239 380 853 Sprint 702 368 585 UUNET - Commercial IP service 15270 366 396 PaeTec.net -a division of Pae 6517 347 377 Yipes Communications, Inc. 22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:38 12:1617 13:1 15:12 16:3 17:3 18:4 20:43 24:871 25:1 30:2 32:67 38:203 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:149 59:189 60:177 61:827 62:811 63:1919 64:3116 65:2228 66:3072 67:614 68:678 69:1431 70:314 71:63 72:648 73:23 74:26 80:752 81:612 82:548 83:372 84:364 85:494 86:389 87:260 88:48 89:96 124:195 125:283 128:156 129:174 130:108 131:319 132:33 133:8 134:150 135:47 136:176 137:68 138:194 139:75 140:471 141:139 142:393 143:156 144:224 145:40 146:324 147:134 148:333 149:190 150:114 151:79 152:66 153:107 154:6 155:195 156:99 157:120 158:166 159:166 160:86 161:69 162:217 163:144 164:172 165:180 166:146 167:243 168:478 169:133 170:320 171:12 172:1 183:1 190:35 192:5764 193:3393 194:2541 195:1794 196:776 198:3872 199:3259 200:4295 201:670 202:6561 203:6876 204:3935 205:2086 206:2424 207:2928 208:2034 209:3691 210:1924 211:816 212:1244 213:1474 214:339 215:42 216:4086 217:1161 218:257 219:180 220:654 221:373 222:159
End of report
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