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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 12 20:05:58 CEST 2006
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats at lists.apnic.net If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 13 May, 2006 Analysis Summary ---------------- BGP routing table entries examined: 187926 Prefixes after maximum aggregation: 103847 Unique aggregates announced to Internet: 92133 Total ASes present in the Internet Routing Table: 22144 Origin-only ASes present in the Internet Routing Table: 19260 Origin ASes announcing only one prefix: 9194 Transit ASes present in the Internet Routing Table: 2884 Transit-only ASes present in the Internet Routing Table: 65 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 20 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 8 Unregistered ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1537532840 Equivalent to 91 /8s, 164 /16s and 227 /24s Percentage of available address space announced: 41.5 Percentage of allocated address space announced: 60.0 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 92673 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 39467 Total APNIC prefixes after maximum aggregation: 16505 Prefixes being announced from the APNIC address blocks: 37191 Unique aggregates announced from the APNIC address blocks: 18298 APNIC Region origin ASes present in the Internet Routing Table: 2551 APNIC Region origin ASes announcing only one prefix: 723 APNIC Region transit ASes present in the Internet Routing Table: 390 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 225571808 Equivalent to 13 /8s, 113 /16s and 243 /24s Percentage of available APNIC address space announced: 70.5 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: 97394 Total ARIN prefixes after maximum aggregation: 57662 Prefixes being announced from the ARIN address blocks: 71480 Unique aggregates announced from the ARIN address blocks: 26470 ARIN Region origin ASes present in the Internet Routing Table: 10699 ARIN Region origin ASes announcing only one prefix: 4012 ARIN Region transit ASes present in the Internet Routing Table: 989 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 292694272 Equivalent to 17 /8s, 114 /16s and 41 /24s Percentage of available ARIN address space announced: 75.9 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, 64/5, 72/6, 76/8, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 37578 Total RIPE prefixes after maximum aggregation: 25126 Prefixes being announced from the RIPE address blocks: 34591 Unique aggregates announced from the RIPE address blocks: 23239 RIPE Region origin ASes present in the Internet Routing Table: 7989 RIPE Region origin ASes announcing only one prefix: 4186 RIPE Region transit ASes present in the Internet Routing Table: 1317 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 249447620 Equivalent to 14 /8s, 222 /16s and 68 /24s Percentage of available RIPE address space announced: 78.3 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, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 11350 Total LACNIC prefixes after maximum aggregation: 3662 Prefixes being announced from the LACNIC address blocks: 9429 Unique aggregates announced from the LACNIC address blocks: 5479 LACNIC Region origin ASes present in the Internet Routing Table: 684 LACNIC Region origin ASes announcing only one prefix: 224 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 16 Number of LACNIC addresses announced to Internet: 26940672 Equivalent to 1 /8s, 155 /16s and 21 /24s Percentage of available LACNIC address space announced: 40.1 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: 2131 Total AfriNIC prefixes after maximum aggregation: 892 Prefixes being announced from the AfriNIC address blocks: 1469 Unique aggregates announced from the AfriNIC address blocks: 956 AfriNIC Region origin ASes present in the Internet Routing Table: 156 AfriNIC Region origin ASes announcing only one prefix: 49 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4072960 Equivalent to 0 /8s, 62 /16s and 38 /24s Percentage of available AfriNIC address space announced: 12.1 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 1133 7079 216 CHINANET-BACKBONE 4755 909 259 73 Videsh Sanchar Nigam Ltd. Aut 9583 900 109 16 Sify Limited 4766 683 4435 304 Korea Telecom (KIX) 1221 615 1556 471 Telstra Pty Ltd 9498 566 211 67 BHARTI BT INTERNET LTD. 7545 531 124 70 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 487 7029 109 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 4802 384 81 175 Wantree Development 17849 347 22 111 Telecommunications Technology 18101 343 85 23 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 17557 329 28 158 Pakistan Telecom 9929 325 221 58 China Netcom Corp. 17974 310 133 16 PT TELEKOMUNIKASI INDONESIA 7474 299 211 229 SingTel Optus Pty Ltd 9800 273 410 67 CHINA UNICOM 9837 266 78 159 Powertel Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1516 6228 968 AT&T WorldNet Services 4323 1292 734 256 Time Warner Telecom 6197 1007 620 473 BellSouth Network Solutions, 721 995 21945 304 DLA Systems Automation Center 174 957 5787 902 Cogent Communications 19029 950 151 109 New Edge Networks 18566 939 272 8 Covad Communications 701 933 8011 774 UUNET Technologies, Inc. 2386 873 521 673 AT&T Data Communications Serv 1239 847 2805 599 Sprint 209 707 3563 555 Qwest 19262 699 2104 165 Verizon Global Networks 20115 692 606 373 Charter Communications 22773 660 1745 45 Cox Communications, Inc. 7011 634 218 412 Citizens Utilities 11492 630 86 23 Cable One 852 582 1085 384 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 542 244 64 Canadian Research Network 3602 537 127 109 Sprint Canada, Inc. RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 578 1952 454 UUNET - Commercial IP service 3301 307 1071 293 TeliaNet Sweden 3352 296 1628 30 Ibernet, Internet Access Netw 8220 294 474 267 COLT Telecommunications 3320 286 3989 240 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 234 504 224 Song Networks 6746 230 89 206 Dynamic Network Technologies, 8708 217 275 200 Romania Data Systems S.A. 24863 209 40 9 LINKdotNET AS number 8551 202 198 24 Bezeq International 3215 198 1664 94 France Telecom Transpac 3269 198 2134 72 TELECOM ITALIA 1257 192 742 167 SWIPnet Swedish IP Network 8866 180 37 16 Bulgarian Telecommunication C 6830 175 765 35 UPC Distribution Services 30890 175 16 63 SC Kappa Invexim SRL 786 171 1778 171 The JANET IP Service 5400 170 347 140 BT Ignite European Backbone 9121 168 931 27 TTnet Autonomous System LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 708 1083 222 UniNet S.A. de C.V. 22047 417 158 11 VTR PUNTO NET S.A. 11172 324 110 84 Servicios Alestra S.A de C.V 16814 318 20 8 NSS, S.A. 6147 262 126 22 Telefonica Del Peru 14117 205 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 164 77 21 Telecom Argentina Stet-France 11556 132 80 4 Cable-Wireless Panama 21826 132 16 21 INTERCABLE 6503 129 149 78 AVANTEL, S.A. 19169 125 8 27 Telconet 14259 116 10 12 GTD Internet S.A. 23216 112 21 9 RAMtelecom Telecomunicaciones 5639 109 12 9 Telecommunications Services o 6505 109 88 79 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 19429 103 58 44 E.T.B. 18822 98 7 9 TELEFONICA MANQUEHUE 14571 97 25 3 Internet Group do Brasil AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 278 803 233 The Internet Solution 8452 168 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 123 314 104 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 117 50 7 RAYA Telecom - Egypt 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 73 155 66 The Internetworking Company o 20928 57 16 2 Noor Advanced Technologies AS 15475 53 84 4 Nile Online 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 20 AS Number for Telecom Algeria 12455 28 6 3 Jambonet Autonomous system 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 16637 24 14 22 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 2561 19 6 2 Egyptian Universities Network 21280 19 5 5 Swift Global Kenya Ltd.Is an Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1292 1036 Time Warner Telecom 18566 939 931 Covad Communications 4134 1133 917 CHINANET-BACKBONE 9583 900 884 Sify Limited 19029 950 841 New Edge Networks 4755 909 836 Videsh Sanchar Nigam Ltd. Aut 721 995 691 DLA Systems Automation Center 22773 660 615 Cox Communications, Inc. 11492 630 607 Cable One 6197 1007 534 BellSouth Network Solutions, 19262 699 534 Verizon Global Networks 19916 563 509 OLM LLC 5668 531 508 CenturyTel Internet Holdings, 9498 566 499 BHARTI BT INTERNET LTD. 17488 501 494 Hathway IP Over Cable Interne 8151 708 486 UniNet S.A. de C.V. 855 542 478 Canadian Research Network 7545 531 461 TPG Internet Pty Ltd 3602 537 428 Sprint Canada, Inc. 22047 417 406 VTR PUNTO NET S.A. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65241 PRIVATE 65.90.71.0/24 10794 Bank of America 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 37890 UNALLOCATED 202.179.160.0/20 17930 Japan Digital Serve 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65280 PRIVATE 203.197.161.0/24 4755 Videsh Sanchar Nigam 65280 PRIVATE 203.200.14.0/24 4755 Videsh Sanchar Nigam 65280 PRIVATE 203.200.21.0/24 4755 Videsh Sanchar Nigam 36366 UNALLOCATED 216.130.247.0/24 174 Cogent Communication 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 192.119.135.0/24 270 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 /10:9 /11:28 /12:90 /13:202 /14:361 /15:706 /16:8815 /17:3200 /18:5296 /19:11633 /20:13071 /21:11325 /22:14552 /23:15646 /24:101883 /25:387 /26:267 /27:214 /28:64 /29:70 /30:49 /31:0 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 922 939 Covad Communications 19029 881 950 New Edge Networks 7018 801 1516 AT&T WorldNet Services 6197 796 1007 BellSouth Network Solutions, 9583 728 900 Sify Limited 4323 634 1292 Time Warner Telecom 11492 621 630 Cable One 2386 597 873 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 543 634 Citizens Utilities 4766 493 683 Korea Telecom (KIX) 855 416 542 Canadian Research Network 5668 413 531 CenturyTel Internet Holdings, 15270 394 425 PaeTec.net -a division of Pae 1239 385 847 Sprint 702 359 578 UUNET - Commercial IP service 6198 357 508 BellSouth Network Solutions, 6517 357 387 Yipes Communications, Inc. 8151 351 708 UniNet S.A. de C.V. 17849 347 347 Telecommunications Technology Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:8 8:41 12:1627 13:1 15:12 16:3 17:3 18:4 20:43 24:739 25:1 30:2 32:59 38:213 40:54 41:1 44:3 47:6 52:4 55:1 56:3 57:25 58:149 59:192 60:181 61:853 62:762 63:1926 64:3171 65:2254 66:3002 67:608 68:657 69:1490 70:328 71:82 72:702 73:23 74:34 80:773 81:630 82:602 83:391 84:386 85:527 86:393 87:331 88:84 89:185 124:273 125:383 128:159 129:187 130:114 131:311 132:33 133:8 134:159 135:46 136:178 137:75 138:198 139:70 140:468 141:136 142:373 143:164 144:227 145:39 146:326 147:136 148:331 149:186 150:114 151:85 152:68 153:107 154:6 155:198 156:98 157:145 158:161 159:171 160:88 161:75 162:261 163:146 164:180 165:213 166:163 167:246 168:488 169:128 170:336 171:14 183:1 190:72 192:5751 193:3381 194:2613 195:1828 196:845 198:3900 199:3229 200:4453 201:934 202:6611 203:6860 204:3893 205:2089 206:2401 207:2948 208:2060 209:3788 210:1912 211:682 212:1198 213:1468 214:357 215:41 216:4147 217:1157 218:272 219:193 220:654 221:358 222:147 End of report
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