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Routing Table Report 04:00 +10GMT Thu 07 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 205647 Prefixes after maximum aggregation: 111413 Unique aggregates announced to Internet: 99991 Total ASes present in the Internet Routing Table: 23864 Origin-only ASes present in the Internet Routing Table: 20784 Origin ASes announcing only one prefix: 10040 Transit ASes present in the Internet Routing Table: 3080 Transit-only ASes present in the Internet Routing Table: 79 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: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1645791788 Equivalent to 98 /8s, 24 /16s and 202 /24s Percentage of available address space announced: 44.4 Percentage of allocated address space announced: 63.0 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 104467
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 45565 Total APNIC prefixes after maximum aggregation: 18563 Prefixes being announced from the APNIC address blocks: 43142 Unique aggregates announced from the APNIC address blocks: 19093 APNIC Region origin ASes present in the Internet Routing Table: 2787 APNIC Region origin ASes announcing only one prefix: 789 APNIC Region transit ASes present in the Internet Routing Table: 416 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 271672800 Equivalent to 16 /8s, 49 /16s and 101 /24s Percentage of available APNIC address space announced: 84.9
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: 101843 Total ARIN prefixes after maximum aggregation: 60242 Prefixes being announced from the ARIN address blocks: 75008 Unique aggregates announced from the ARIN address blocks: 28441 ARIN Region origin ASes present in the Internet Routing Table: 11207 ARIN Region origin ASes announcing only one prefix: 4269 ARIN Region transit ASes present in the Internet Routing Table: 1032 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 311697408 Equivalent to 18 /8s, 148 /16s and 32 /24s Percentage of available ARIN address space announced: 68.8
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, 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: 42310 Total RIPE prefixes after maximum aggregation: 27666 Prefixes being announced from the RIPE address blocks: 39141 Unique aggregates announced from the RIPE address blocks: 26078 RIPE Region origin ASes present in the Internet Routing Table: 8870 RIPE Region origin ASes announcing only one prefix: 4690 RIPE Region transit ASes present in the Internet Routing Table: 1437 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 279990788 Equivalent to 16 /8s, 176 /16s and 82 /24s Percentage of available RIPE address space announced: 75.9
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: 13439 Total LACNIC prefixes after maximum aggregation: 3995 Prefixes being announced from the LACNIC address blocks: 11409 Unique aggregates announced from the LACNIC address blocks: 6936 LACNIC Region origin ASes present in the Internet Routing Table: 751 LACNIC Region origin ASes announcing only one prefix: 244 LACNIC Region transit ASes present in the Internet Routing Table: 136 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35208192 Equivalent to 2 /8s, 25 /16s and 60 /24s Percentage of available LACNIC address space announced: 52.5
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: 2489 Total AfriNIC prefixes after maximum aggregation: 947 Prefixes being announced from the AfriNIC address blocks: 1733 Unique aggregates announced from the AfriNIC address blocks: 1106 AfriNIC Region origin ASes present in the Internet Routing Table: 170 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 30 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4516864 Equivalent to 0 /8s, 68 /16s and 236 /24s Percentage of available AfriNIC address space announced: 13.5
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 1234 8541 249 CHINANET-BACKBONE 4755 1046 384 69 Videsh Sanchar Nigam Ltd. Aut 9583 988 97 106 Sify Limited 9498 893 212 65 BHARTI BT INTERNET LTD. 23577 775 35 706 KRNIC 4766 744 4945 306 Korea Telecom (KIX) 1221 583 1698 447 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 551 126 74 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 489 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 409 86 149 Wantree Development 17974 375 129 12 PT TELEKOMUNIKASI INDONESIA 17557 366 31 176 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 1553 6196 987 AT&T WorldNet Services 2386 1112 586 739 AT&T Data Communications Serv 4323 1059 805 298 Time Warner Telecom 6197 1019 628 498 BellSouth Network Solutions, 18566 980 272 8 Covad Communications 174 966 6824 880 Cogent Communications 701 951 6707 767 UUNET Technologies, Inc. 11492 843 98 11 Cable One 721 828 22161 297 DLA Systems Automation Center 1239 825 2730 579 Sprint 19262 783 2452 177 Verizon Global Networks 20115 770 688 412 Charter Communications 22773 712 1744 41 Cox Communications, Inc. 209 710 3762 560 Qwest 7011 693 213 432 Citizens Utilities 852 596 1091 389 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 702 544 1928 423 UUNET - Commercial IP service 3301 309 1199 293 TeliaNet Sweden 3320 297 4992 245 Deutsche Telekom AG 24863 291 44 26 LINKdotNET AS number 8220 275 474 263 COLT Telecommunications 6746 260 92 237 Dynamic Network Technologies, 680 252 2041 248 DFN-IP service G-WiN 9116 233 134 23 Goldenlines main autonomous s 3215 228 2100 99 France Telecom Transpac 8708 228 281 215 Romania Data Systems S.A. 1257 219 1073 172 SWIPnet Swedish IP Network 3269 208 2357 75 TELECOM ITALIA 3246 207 369 197 Song Networks 30890 205 18 85 SC Kappa Invexim SRL 5416 204 13 13 BATELCO-BH 8551 200 198 23 Bezeq International 6830 184 823 39 UPC Distribution Services 3300 177 171 95 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 759 1922 208 UniNet S.A. de C.V. 11830 482 299 23 Instituto Costarricense de El 11172 384 104 78 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 6147 206 148 23 Telefonica Del Peru 6503 204 170 93 AVANTEL, S.A. 11556 204 101 6 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 150 20 39 INTERCABLE 7910 145 10 31 ANDINET ON LINE 23216 145 19 43 RAMtelecom Telecomunicaciones 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 289 804 232 The Internet Solution 8452 220 60 7 TEDATA 15475 147 84 4 Nile Online 6713 145 136 12 Itissalat Al-MAGHRIB 2018 133 297 111 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 110 6 4 EEPAD TISP TELECOM & INTERNET 2905 83 173 71 The Internetworking Company o 2561 57 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 5713 40 294 33 Telkom SA Ltd 12455 40 6 3 Jambonet Autonomous system 33774 38 12 22 AS Number for Telecom Algeria 23889 35 10 14 MAURITIUS TELECOM 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 1234 985 CHINANET-BACKBONE 4755 1046 977 Videsh Sanchar Nigam Ltd. Aut 18566 980 972 Covad Communications 9583 988 882 Sify Limited 11492 843 832 Cable One 9498 893 828 BHARTI BT INTERNET LTD. 4323 1059 761 Time Warner Telecom 22773 712 671 Cox Communications, Inc. 19262 783 606 Verizon Global Networks 8151 759 551 UniNet S.A. de C.V. 17488 556 536 Hathway IP Over Cable Interne 721 828 531 DLA Systems Automation Center 5668 545 526 CenturyTel Internet Holdings, 6197 1019 521 BellSouth Network Solutions, 19916 567 510 OLM LLC 7545 551 477 TPG Internet Pty Ltd 855 539 466 Canadian Research Network 18101 489 466 Reliance Infocom Ltd Internet 11830 482 459 Instituto Costarricense de El 15270 486 452 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 /12:113 /13:225 /14:401 /15:797 /16:9100 /17:3647 /18:5860 /19:12719 /20:14334 /21:12945 /22:16249 /23:17773 /24:109688 /25:643 /26:465 /27:368 /28:78 /29:46 /30:91 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 963 980 Covad Communications 7018 830 1553 AT&T WorldNet Services 2386 829 1112 AT&T Data Communications Serv 11492 829 843 Cable One 9583 820 988 Sify Limited 6197 797 1019 BellSouth Network Solutions, 23577 761 775 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 4766 555 744 Korea Telecom (KIX) 9498 546 893 BHARTI BT INTERNET LTD. 4755 469 1046 Videsh Sanchar Nigam Ltd. Aut 15270 456 486 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 18101 421 489 Reliance Infocom Ltd Internet 5668 419 545 CenturyTel Internet Holdings, 17849 409 423 Telecommunications Technology 1239 406 825 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 12:1650 13:1 15:15 16:3 17:3 18:4 20:39 24:842 25:1 32:55 38:268 40:57 41:52 44:2 47:8 52:4 53:1 55:1 56:3 57:24 58:268 59:346 60:223 61:951 62:1058 63:1883 64:3187 65:2286 66:3111 67:676 68:657 69:1711 70:395 71:114 72:1022 74:112 75:42 76:15 80:824 81:766 82:649 83:388 84:481 85:724 86:421 87:442 88:286 89:653 90:1 91:102 97:1 121:76 122:40 123:3 124:473 125:739 128:313 129:207 130:128 131:321 132:48 133:9 134:177 135:41 136:180 137:115 138:189 139:48 140:523 141:135 142:345 143:214 144:253 145:67 146:323 147:139 148:364 149:172 150:109 151:118 152:82 153:116 154:5 155:262 156:147 157:163 158:165 159:139 160:98 161:86 162:218 163:162 164:238 165:236 166:242 167:278 168:492 169:124 170:395 171:12 172:1 189:15 190:319 192:5737 193:3589 194:2827 195:2161 196:909 198:3793 199:3293 200:4593 201:930 202:6999 203:7236 204:3953 205:2091 206:2419 207:2898 208:2347 209:3557 210:2226 211:860 212:1360 213:1462 214:390 215:39 216:4088 217:1147 218:337 219:254 220:816 221:364 222:250
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