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Routing Table Report 04:00 +10GMT Sun 18 Jun, 2006
Analysis Summary ----------------
BGP routing table entries examined: 190677 Prefixes after maximum aggregation: 104816 Unique aggregates announced to Internet: 93140 Total ASes present in the Internet Routing Table: 22456 Origin-only ASes present in the Internet Routing Table: 19537 Origin ASes announcing only one prefix: 9369 Transit ASes present in the Internet Routing Table: 2919 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1534276328 Equivalent to 91 /8s, 115 /16s and 50 /24s Percentage of available address space announced: 41.4 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94522
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 40855 Total APNIC prefixes after maximum aggregation: 16865 Prefixes being announced from the APNIC address blocks: 38603 Unique aggregates announced from the APNIC address blocks: 18441 APNIC Region origin ASes present in the Internet Routing Table: 2610 APNIC Region origin ASes announcing only one prefix: 750 APNIC Region transit ASes present in the Internet Routing Table: 396 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 233227872 Equivalent to 13 /8s, 230 /16s and 198 /24s Percentage of available APNIC address space announced: 72.9
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: 97938 Total ARIN prefixes after maximum aggregation: 57818 Prefixes being announced from the ARIN address blocks: 71940 Unique aggregates announced from the ARIN address blocks: 26773 ARIN Region origin ASes present in the Internet Routing Table: 10768 ARIN Region origin ASes announcing only one prefix: 4060 ARIN Region transit ASes present in the Internet Routing Table: 991 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 294104832 Equivalent to 17 /8s, 135 /16s and 175 /24s Percentage of available ARIN address space announced: 76.2
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, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 38132 Total RIPE prefixes after maximum aggregation: 25509 Prefixes being announced from the RIPE address blocks: 35145 Unique aggregates announced from the RIPE address blocks: 23744 RIPE Region origin ASes present in the Internet Routing Table: 8160 RIPE Region origin ASes announcing only one prefix: 4287 RIPE Region transit ASes present in the Internet Routing Table: 1348 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 254036356 Equivalent to 15 /8s, 36 /16s and 73 /24s Percentage of available RIPE address space announced: 79.7
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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 11530 Total LACNIC prefixes after maximum aggregation: 3724 Prefixes being announced from the LACNIC address blocks: 9681 Unique aggregates announced from the LACNIC address blocks: 5513 LACNIC Region origin ASes present in the Internet Routing Table: 697 LACNIC Region origin ASes announcing only one prefix: 229 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 27422464 Equivalent to 1 /8s, 162 /16s and 111 /24s Percentage of available LACNIC address space announced: 40.9
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: 2220 Total AfriNIC prefixes after maximum aggregation: 900 Prefixes being announced from the AfriNIC address blocks: 1496 Unique aggregates announced from the AfriNIC address blocks: 944 AfriNIC Region origin ASes present in the Internet Routing Table: 157 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4119808 Equivalent to 0 /8s, 62 /16s and 221 /24s Percentage of available AfriNIC address space announced: 12.3
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 1243 7244 229 CHINANET-BACKBONE 4755 936 258 74 Videsh Sanchar Nigam Ltd. Aut 9583 903 109 16 Sify Limited 4766 690 4435 304 Korea Telecom (KIX) 9498 658 211 68 BHARTI BT INTERNET LTD. 1221 614 1668 472 Telstra Pty Ltd 7545 546 124 70 TPG Internet Pty Ltd 17488 519 32 10 Hathway IP Over Cable Interne 17676 488 7061 109 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 18101 412 85 24 Reliance Infocom Ltd Internet 17557 396 31 175 Pakistan Telecom 4802 381 80 168 Wantree Development 17974 381 129 14 PT TELEKOMUNIKASI INDONESIA 9929 338 254 59 China Netcom Corp. 2907 335 1733 311 SINET Japan 17849 302 23 103 Telecommunications Technology 7474 297 211 227 SingTel Optus Pty Ltd 9800 276 410 67 CHINA UNICOM 10139 273 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1476 6275 951 AT&T WorldNet Services 4323 1317 743 261 Time Warner Telecom 721 1013 21982 313 DLA Systems Automation Center 6197 1011 629 473 BellSouth Network Solutions, 174 966 5787 903 Cogent Communications 19029 944 151 107 New Edge Networks 18566 943 272 8 Covad Communications 701 937 6737 773 UUNET Technologies, Inc. 2386 911 560 705 AT&T Data Communications Serv 1239 846 2788 599 Sprint 20115 714 617 382 Charter Communications 19262 710 2105 183 Verizon Global Networks 209 709 3687 551 Qwest 22773 666 1741 40 Cox Communications, Inc. 7011 638 218 414 Citizens Utilities 11492 632 87 23 Cable One 852 584 1084 382 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 550 244 64 Canadian Research Network 5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 572 1951 451 UUNET - Commercial IP service 3301 306 1343 293 TeliaNet Sweden 3352 306 1643 30 Ibernet, Internet Access Netw 3320 289 3989 242 Deutsche Telekom AG 8220 274 470 262 COLT Telecommunications 680 245 2025 242 DFN-IP service G-WiN 3246 237 504 227 Song Networks 6746 237 90 212 Dynamic Network Technologies, 24863 216 42 11 LINKdotNET AS number 8708 215 275 201 Romania Data Systems S.A. 3269 201 2182 72 TELECOM ITALIA 8551 201 198 24 Bezeq International 3215 198 1680 93 France Telecom Transpac 30890 194 17 72 SC Kappa Invexim SRL 1257 193 741 165 SWIPnet Swedish IP Network 8866 183 37 15 Bulgarian Telecommunication C 6830 172 781 36 UPC Distribution Services 786 171 1778 171 The JANET IP Service 5400 170 348 139 BT Ignite European Backbone 9121 169 931 28 TTnet Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 708 1083 225 UniNet S.A. de C.V. 22047 418 174 11 VTR PUNTO NET S.A. 11172 348 110 87 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 266 134 22 Telefonica Del Peru 14117 205 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 175 81 25 Telecom Argentina Stet-France 6503 135 151 81 AVANTEL, S.A. 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19169 127 8 25 Telconet 6505 123 91 84 Global One Communicaoes Ltda 14259 119 10 15 GTD Internet S.A. 19429 118 64 41 E.T.B. 14522 115 18 9 SatNet S.A. 23216 114 21 9 RAMtelecom Telecomunicaciones 7910 105 7 10 ANDINET ON LINE 5639 103 12 9 Telecommunications Services o 7738 101 410 20 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 286 803 234 The Internet Solution 8452 168 60 7 TEDATA 6713 154 135 11 Itissalat Al-MAGHRIB 2018 131 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 73 155 66 The Internetworking Company o 15475 62 84 4 Nile Online 20928 59 16 2 Noor Advanced Technologies AS 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 31 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 12455 25 6 3 Jambonet Autonomous system 16637 24 14 22 Johnnic e-Ventures 8524 22 1 5 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 21280 22 4 4 Swift Global Kenya Ltd.Is an 33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1317 1056 Time Warner Telecom 4134 1243 1014 CHINANET-BACKBONE 18566 943 935 Covad Communications 9583 903 887 Sify Limited 4755 936 862 Videsh Sanchar Nigam Ltd. Aut 19029 944 837 New Edge Networks 721 1013 700 DLA Systems Automation Center 22773 666 626 Cox Communications, Inc. 11492 632 609 Cable One 9498 658 590 BHARTI BT INTERNET LTD. 6197 1011 538 BellSouth Network Solutions, 19262 710 527 Verizon Global Networks 19916 563 509 OLM LLC 17488 519 509 Hathway IP Over Cable Interne 5668 529 506 CenturyTel Internet Holdings, 855 550 486 Canadian Research Network 8151 708 483 UniNet S.A. de C.V. 7545 546 476 TPG Internet Pty Ltd 3602 526 422 Sprint Canada, Inc. 22047 418 407 VTR PUNTO NET S.A.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
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 192.84.205.0/24 719 LANLINK autonomous system 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 /8:17 /9:9 /10:10 /11:28 /12:93 /13:201 /14:362 /15:709 /16:8856 /17:3261 /18:5376 /19:11745 /20:13280 /21:11566 /22:14858 /23:15927 /24:103242 /25:385 /26:337 /27:182 /28:68 /29:74 /30:51 /31:0 /32:40
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 926 943 Covad Communications 19029 875 944 New Edge Networks 6197 794 1011 BellSouth Network Solutions, 7018 783 1476 AT&T WorldNet Services 9583 734 903 Sify Limited 4323 642 1317 Time Warner Telecom 2386 631 911 AT&T Data Communications Serv 11492 623 632 Cable One 19916 557 563 OLM LLC 7011 547 638 Citizens Utilities 4766 500 690 Korea Telecom (KIX) 855 424 550 Canadian Research Network 5668 412 529 CenturyTel Internet Holdings, 15270 404 435 PaeTec.net -a division of Pae 1239 390 846 Sprint 9498 370 658 BHARTI BT INTERNET LTD. 4755 368 936 Videsh Sanchar Nigam Ltd. Aut 6517 364 395 Yipes Communications, Inc. 702 355 572 UUNET - Commercial IP service 6198 353 508 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:42 12:1618 13:1 15:16 16:3 17:3 18:4 20:41 24:748 25:1 32:58 38:229 40:54 41:3 44:3 47:6 52:4 55:1 56:3 57:25 58:184 59:231 60:183 61:857 62:775 63:1885 64:3183 65:2186 66:3073 67:615 68:666 69:1531 70:398 71:81 72:762 74:43 80:789 81:651 82:600 83:403 84:385 85:544 86:384 87:362 88:105 89:262 121:1 122:2 123:1 124:278 125:515 128:156 129:188 130:118 131:317 132:32 133:8 134:159 135:43 136:177 137:81 138:206 139:62 140:466 141:133 142:379 143:166 144:222 145:40 146:319 147:136 148:317 149:188 150:113 151:93 152:69 153:107 154:5 155:202 156:98 157:146 158:169 159:172 160:91 161:75 162:244 163:154 164:180 165:212 166:171 167:246 168:491 169:128 170:335 171:14 183:1 190:75 192:5730 193:3372 194:2641 195:1915 196:837 198:3901 199:3211 200:4480 201:979 202:6686 203:7018 204:3905 205:2044 206:2421 207:2909 208:2124 209:3782 210:1974 211:689 212:1264 213:1464 214:362 215:40 216:4242 217:1149 218:296 219:231 220:720 221:359 222:186
End of report
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