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Routing Table Report 04:00 +10GMT Tue 12 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 205519 Prefixes after maximum aggregation: 111760 Unique aggregates announced to Internet: 100712 Total ASes present in the Internet Routing Table: 23899 Origin-only ASes present in the Internet Routing Table: 20825 Origin ASes announcing only one prefix: 10055 Transit ASes present in the Internet Routing Table: 3074 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 1 Unregistered ASNs in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1644659116 Equivalent to 98 /8s, 7 /16s and 129 /24s Percentage of available address space announced: 44.4 Percentage of allocated address space announced: 62.9 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 104318
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 45612 Total APNIC prefixes after maximum aggregation: 18768 Prefixes being announced from the APNIC address blocks: 43182 Unique aggregates announced from the APNIC address blocks: 19651 APNIC Region origin ASes present in the Internet Routing Table: 2797 APNIC Region origin ASes announcing only one prefix: 792 APNIC Region transit ASes present in the Internet Routing Table: 418 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 271717600 Equivalent to 16 /8s, 50 /16s and 20 /24s Percentage of available APNIC address space announced: 85.0
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: 101647 Total ARIN prefixes after maximum aggregation: 60311 Prefixes being announced from the ARIN address blocks: 74882 Unique aggregates announced from the ARIN address blocks: 28475 ARIN Region origin ASes present in the Internet Routing Table: 11215 ARIN Region origin ASes announcing only one prefix: 4270 ARIN Region transit ASes present in the Internet Routing Table: 1031 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 310144000 Equivalent to 18 /8s, 124 /16s and 108 /24s Percentage of available ARIN address space announced: 68.5
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, 96/6, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 42391 Total RIPE prefixes after maximum aggregation: 27749 Prefixes being announced from the RIPE address blocks: 39207 Unique aggregates announced from the RIPE address blocks: 26148 RIPE Region origin ASes present in the Internet Routing Table: 8893 RIPE Region origin ASes announcing only one prefix: 4695 RIPE Region transit ASes present in the Internet Routing Table: 1433 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 280948356 Equivalent to 16 /8s, 190 /16s and 238 /24s Percentage of available RIPE address space announced: 76.1
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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 13360 Total LACNIC prefixes after maximum aggregation: 3982 Prefixes being announced from the LACNIC address blocks: 11411 Unique aggregates announced from the LACNIC address blocks: 6969 LACNIC Region origin ASes present in the Internet Routing Table: 751 LACNIC Region origin ASes announcing only one prefix: 249 LACNIC Region transit ASes present in the Internet Routing Table: 132 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35324160 Equivalent to 2 /8s, 27 /16s and 1 /24s Percentage of available LACNIC address space announced: 52.6
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: 2508 Total AfriNIC prefixes after maximum aggregation: 950 Prefixes being announced from the AfriNIC address blocks: 1749 Unique aggregates announced from the AfriNIC address blocks: 1115 AfriNIC Region origin ASes present in the Internet Routing Table: 169 AfriNIC Region origin ASes announcing only one prefix: 49 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4786944 Equivalent to 0 /8s, 73 /16s and 11 /24s Percentage of available AfriNIC address space announced: 14.3
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 1235 8526 249 CHINANET-BACKBONE 4755 1048 384 69 Videsh Sanchar Nigam Ltd. Aut 9583 1005 86 279 Sify Limited 9498 894 212 65 BHARTI BT INTERNET LTD. 23577 772 34 702 KRNIC 4766 748 4946 307 Korea Telecom (KIX) 1221 583 1698 447 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 549 126 72 TPG Internet Pty Ltd 17676 502 10935 66 Softbank BB Corp. 18101 488 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 437 81 131 COMindico Australia 4812 430 753 65 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 404 85 145 Wantree Development 17974 373 129 12 PT TELEKOMUNIKASI INDONESIA 17557 368 32 177 Pakistan Telecom 2907 332 1749 309 SINET Japan 4837 327 3844 143 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1555 6190 981 AT&T WorldNet Services 2386 1111 586 738 AT&T Data Communications Serv 4323 1056 804 298 Time Warner Telecom 6197 1020 638 505 BellSouth Network Solutions, 18566 981 272 8 Covad Communications 174 970 6826 883 Cogent Communications 701 947 6691 763 UUNET Technologies, Inc. 11492 838 98 11 Cable One 1239 825 2730 579 Sprint 721 796 21885 295 DLA Systems Automation Center 19262 784 2454 178 Verizon Global Networks 20115 766 666 407 Charter Communications 22773 712 1744 41 Cox Communications, Inc. 209 709 3762 559 Qwest 7011 693 211 430 Citizens Utilities 852 597 1091 390 Telus Advanced Communications 19916 567 48 57 OLM LLC 6198 549 527 256 BellSouth Network Solutions, 5668 545 161 19 CenturyTel Internet Holdings, 855 539 250 73 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1928 425 UUNET - Commercial IP service 3301 309 1199 293 TeliaNet Sweden 3320 297 4992 245 Deutsche Telekom AG 24863 292 44 26 LINKdotNET AS number 8220 273 474 263 COLT Telecommunications 6746 260 92 237 Dynamic Network Technologies, 680 252 2041 248 DFN-IP service G-WiN 3215 230 2104 96 France Telecom Transpac 8708 228 281 215 Romania Data Systems S.A. 9116 227 134 23 Goldenlines main autonomous s 1257 219 1073 172 SWIPnet Swedish IP Network 30890 211 19 88 SC Kappa Invexim SRL 3269 208 2357 75 TELECOM ITALIA 5416 204 13 13 BATELCO-BH 3246 202 353 192 Song Networks 8551 200 198 23 Bezeq International 6830 183 823 39 UPC Distribution Services 3300 178 171 96 AUCS Communications Services 786 172 1795 172 The JANET IP Service 3352 172 1751 30 Ibernet, Internet Access Netw
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 775 1937 206 UniNet S.A. de C.V. 11830 484 299 19 Instituto Costarricense de El 11172 385 104 74 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 258 74 31 ENTEL CHILE S.A. 14117 254 16 13 Telefonica del Sur S.A. 7303 227 102 35 Telecom Argentina Stet-France 6503 210 170 94 AVANTEL, S.A. 6147 207 150 20 Telefonica Del Peru 11556 204 101 6 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 153 20 37 INTERCABLE 23216 146 19 43 RAMtelecom Telecomunicaciones 7910 144 10 31 ANDINET ON LINE 19169 139 9 22 Telconet 19429 138 84 34 E.T.B. 14522 129 20 9 SatNet S.A. 18822 129 8 10 TELEFONICA MANQUEHUE 7738 116 442 21 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 224 60 7 TEDATA 15475 147 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 133 297 111 Tertiary Education Network 5536 122 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 110 6 4 EEPAD TISP TELECOM & INTERNET 2905 84 175 73 The Internetworking Company o 2561 57 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 47 12 17 MAURITIUS TELECOM 5713 40 294 33 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 33774 38 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 8524 30 2 6 AUCEGYPT Autonomous System 15804 27 2 1 AS of The Way Out Internet So 10798 23 1 14 Standard Bank of South Africa 21280 23 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1235 986 CHINANET-BACKBONE 4755 1048 979 Videsh Sanchar Nigam Ltd. Aut 18566 981 973 Covad Communications 9498 894 829 BHARTI BT INTERNET LTD. 11492 838 827 Cable One 4323 1056 758 Time Warner Telecom 9583 1005 726 Sify Limited 22773 712 671 Cox Communications, Inc. 19262 784 606 Verizon Global Networks 8151 775 569 UniNet S.A. de C.V. 17488 556 536 Hathway IP Over Cable Interne 5668 545 526 CenturyTel Internet Holdings, 6197 1020 515 BellSouth Network Solutions, 19916 567 510 OLM LLC 721 796 501 DLA Systems Automation Center 7545 549 477 TPG Internet Pty Ltd 855 539 466 Canadian Research Network 18101 488 465 Reliance Infocom Ltd Internet 11830 484 465 Instituto Costarricense de El 15270 493 459 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 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 172.33.1.0/24 7018 AT&T WorldNet Services 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.172.0.0/19 721 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 /8:19 /9:10 /10:13 /11:30 /12:112 /13:227 /14:402 /15:797 /16:9088 /17:3622 /18:5865 /19:12715 /20:14353 /21:12820 /22:16278 /23:17821 /24:109673 /25:624 /26:460 /27:358 /28:75 /29:45 /30:89 /31:0 /32:23
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 964 981 Covad Communications 9583 838 1005 Sify Limited 7018 832 1555 AT&T WorldNet Services 2386 828 1111 AT&T Data Communications Serv 11492 824 838 Cable One 6197 796 1020 BellSouth Network Solutions, 23577 758 772 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 4766 557 748 Korea Telecom (KIX) 9498 549 894 BHARTI BT INTERNET LTD. 4755 469 1048 Videsh Sanchar Nigam Ltd. Aut 15270 463 493 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 18101 420 488 Reliance Infocom Ltd Internet 5668 419 545 CenturyTel Internet Holdings, 17849 409 423 Telecommunications Technology 1239 405 825 Sprint 6198 388 549 BellSouth Network Solutions, 33588 387 410 Bresnan Communications, LLC.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1649 13:1 15:15 16:3 17:3 18:5 20:34 24:839 25:1 32:55 38:268 40:57 41:48 44:2 47:10 52:4 53:1 55:1 56:3 57:25 58:269 59:350 60:222 61:947 62:1040 63:1887 64:3190 65:2291 66:3109 67:691 68:657 69:1706 70:403 71:114 72:1026 74:112 75:49 76:14 80:817 81:778 82:643 83:387 84:485 85:742 86:398 87:429 88:253 89:655 90:1 91:96 97:1 121:83 122:41 123:3 124:476 125:739 128:309 129:205 130:131 131:319 132:48 133:9 134:177 135:41 136:178 137:114 138:188 139:48 140:522 141:135 142:345 143:215 144:255 145:67 146:323 147:139 148:367 149:172 150:110 151:118 152:82 153:116 154:5 155:249 156:148 157:150 158:165 159:137 160:99 161:81 162:218 163:159 164:237 165:237 166:244 167:278 168:476 169:123 170:385 171:12 172:1 189:27 190:288 192:5734 193:3607 194:2846 195:2173 196:913 198:3786 199:3290 200:4600 201:936 202:6998 203:7216 204:3959 205:2094 206:2421 207:2907 208:2350 209:3575 210:2224 211:861 212:1343 213:1464 214:387 215:39 216:4096 217:1154 218:336 219:258 220:818 221:385 222:252
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