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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 8 20:02:40 CEST 2007
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 For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs at cisco.com>. Routing Table Report 04:00 +10GMT Sat 09 Jun, 2007 Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/ap-data/2007/06/09/0400 Analysis Summary ---------------- BGP routing table entries examined: 222590 Prefixes after maximum aggregation: 118357 Deaggregation factor: 1.88 Unique aggregates announced to Internet: 108133 Total ASes present in the Internet Routing Table: 25395 Prefixes per ASN: 8.77 Origin-only ASes present in the Internet Routing Table: 22099 Origin ASes announcing only one prefix: 10737 Transit ASes present in the Internet Routing Table: 3296 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 22 Max AS path prepend of ASN (35389) 16 Prefixes from unregistered ASNs in the Routing Table: 6 Unregistered ASNs in the Routing Table: 8 Prefixes from 32-bit ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1735745632 Equivalent to 103 /8s, 117 /16s and 96 /24s Percentage of available address space announced: 46.8 Percentage of allocated address space announced: 62.1 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 116738 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 51714 Total APNIC prefixes after maximum aggregation: 20427 APNIC Deaggregation factor: 2.53 Prefixes being announced from the APNIC address blocks: 48661 Unique aggregates announced from the APNIC address blocks: 21409 APNIC Region origin ASes present in the Internet Routing Table: 2962 APNIC Prefixes per ASN: 16.43 APNIC Region origin ASes announcing only one prefix: 791 APNIC Region transit ASes present in the Internet Routing Table: 451 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 298436000 Equivalent to 17 /8s, 201 /16s and 197 /24s Percentage of available APNIC address space announced: 73.9 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, 116/6, 120/6, 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: 106833 Total ARIN prefixes after maximum aggregation: 62334 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 78682 Unique aggregates announced from the ARIN address blocks: 30928 ARIN Region origin ASes present in the Internet Routing Table: 11618 ARIN Prefixes per ASN: 6.77 ARIN Region origin ASes announcing only one prefix: 4471 ARIN Region transit ASes present in the Internet Routing Table: 1061 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 16 Number of ARIN addresses announced to Internet: 335300224 Equivalent to 19 /8s, 252 /16s and 70 /24s Percentage of available ARIN address space announced: 74.0 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: 46534 Total RIPE prefixes after maximum aggregation: 30344 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 43034 Unique aggregates announced from the RIPE address blocks: 28611 RIPE Region origin ASes present in the Internet Routing Table: 9746 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 5161 RIPE Region transit ASes present in the Internet Routing Table: 1569 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 314733568 Equivalent to 18 /8s, 194 /16s and 116 /24s Percentage of available RIPE address space announced: 78.2 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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 14925 Total LACNIC prefixes after maximum aggregation: 4236 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 12986 Unique aggregates announced from the LACNIC address blocks: 7330 LACNIC Region origin ASes present in the Internet Routing Table: 801 LACNIC Prefixes per ASN: 16.21 LACNIC Region origin ASes announcing only one prefix: 257 LACNIC Region transit ASes present in the Internet Routing Table: 142 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 39263744 Equivalent to 2 /8s, 87 /16s and 30 /24s Percentage of available LACNIC address space announced: 58.5 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: 2574 Total AfriNIC prefixes after maximum aggregation: 1006 AfriNIC Deaggregation factor: 2.56 Prefixes being announced from the AfriNIC address blocks: 1979 Unique aggregates announced from the AfriNIC address blocks: 1198 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.36 AfriNIC Region origin ASes announcing only one prefix: 57 AfriNIC Region transit ASes present in the Internet Routing Table: 37 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 6224640 Equivalent to 0 /8s, 94 /16s and 251 /24s Percentage of available AfriNIC address space announced: 18.6 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 1290 9977 280 CHINANET-BACKBONE 4755 1230 382 71 Videsh Sanchar Nigam Ltd. Aut 9583 1094 78 396 Sify Limited 9498 1000 469 69 BHARTI BT INTERNET LTD. 4766 786 4943 312 Korea Telecom (KIX) 23577 778 35 705 Korea Telecom (ATM-MPLS) 17488 699 46 40 Hathway IP Over Cable Interne 7545 630 142 81 TPG Internet Pty Ltd 18101 556 117 35 Reliance Infocom Ltd Internet 1221 547 1954 423 Telstra Pty Ltd 4668 508 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 4812 466 843 80 China Telecom (Shanghai) 9443 465 121 77 Primus Telecommunications 7474 410 218 269 SingTel Optus Pty Ltd 4802 406 86 145 Wantree Development 9829 363 258 15 BSNL National Internet Backbo 2907 360 1700 302 SINET Japan 17557 358 41 172 Pakistan Telecom 4837 349 4805 163 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1502 6128 992 AT&T WorldNet Services 4323 1273 1034 370 Time Warner Telecom 2386 1148 597 757 AT&T Data Communications Serv 6478 1103 362 150 AT&T Worldnet Services 11492 1075 105 23 Cable One 6197 1026 706 509 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 957 6777 868 Cogent Communications 701 950 6598 730 UUNET Technologies, Inc. 1239 809 2731 575 Sprint 7011 804 229 484 Citizens Utilities 20115 801 726 427 Charter Communications 19262 775 2694 206 Verizon Global Networks 209 744 3834 578 Qwest 22773 720 1892 44 Cox Communications, Inc. 5668 604 160 17 CenturyTel Internet Holdings, 7385 604 171 471 Linkport Communications 7029 596 488 80 Alltel Information Services, 852 589 1090 371 Telus Advanced Communications 855 572 253 71 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 516 1938 407 UUNET - Commercial IP service 2119 507 918 379 Telenor Internet Access 24863 351 56 35 LINKdotNET AS number 3301 311 1455 290 TeliaNet Sweden 3320 305 6018 255 Deutsche Telekom AG 6746 280 129 256 Dynamic Network Technologies, 680 261 2044 252 DFN-IP service G-WiN 3215 249 2296 95 France Telecom Transpac 8220 249 444 241 COLT Telecommunications 8708 237 416 230 Romania Data Systems S.A. 5089 221 1658 53 NTL Group Limited 3269 216 2647 74 TELECOM ITALIA 3352 216 1864 37 Ibernet, Internet Access Netw 9121 209 1441 24 TTnet Autonomous System 8551 207 197 27 Bezeq International 9116 199 136 25 Goldenlines main autonomous s 1257 198 1196 176 SWIPnet Swedish IP Network 3246 193 331 183 Song Networks 12479 187 578 6 Uni2 Autonomous System 30890 183 14 92 SC Kappa Invexim SRL LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 826 1855 210 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 368 116 63 Servicios Alestra S.A de C.V 22047 315 238 12 VTR PUNTO NET S.A. 7303 292 143 30 Telecom Argentina Stet-France 6471 268 74 32 ENTEL CHILE S.A. 14117 253 19 15 Telefonica del Sur S.A. 16814 249 21 18 NSS, S.A. 11556 231 128 4 Cable-Wireless Panama 6147 224 170 26 Telefonica Del Peru 6503 213 188 84 AVANTEL, S.A. 20299 195 23 12 NEWCOM AMERICAS 10620 191 54 19 TVCABLE BOGOTA 10481 181 72 8 Prima S.A. 14522 167 27 8 SatNet S.A. 7910 157 11 31 ANDINET ON LINE 23216 157 19 42 RAMtelecom Telecomunicaciones 21826 155 27 60 INTERCABLE 19429 152 79 41 E.T.B. 7738 146 474 22 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 279 866 220 The Internet Solution 8452 228 188 7 TEDATA 6713 142 135 11 Itissalat Al-MAGHRIB 2018 136 301 111 Tertiary Education Network 15475 136 84 4 Nile Online 5536 123 8 15 Internet Egypt Network 33783 119 8 9 EEPAD TISP TELECOM & INTERNET 24835 85 48 6 RAYA Telecom - Egypt 2905 77 174 73 The Internetworking Company o 2561 61 6 2 Egyptian Universities Network 15706 56 12 4 Sudatel Internet Exchange Aut 23889 48 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 43 29 24 AS Number for Telecom Algeria 16637 37 21 29 Johnnic e-Ventures 8524 32 2 8 AUCEGYPT Autonomous System 33776 30 2 7 Starcomms Nigeria Limited 21280 27 4 4 Swift Global Kenya Ltd.Is an 12455 26 6 3 Jambonet Autonomous system 10798 24 2 15 Standard Bank of South Africa Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4755 1230 1159 Videsh Sanchar Nigam Ltd. Aut 11492 1075 1052 Cable One 4134 1290 1010 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1103 953 AT&T Worldnet Services 9498 1000 931 BHARTI BT INTERNET LTD. 4323 1273 903 Time Warner Telecom 9583 1094 698 Sify Limited 22773 720 676 Cox Communications, Inc. 17488 699 659 Hathway IP Over Cable Interne 8151 826 616 UniNet S.A. de C.V. 5668 604 587 CenturyTel Internet Holdings, 19262 775 569 Verizon Global Networks 7545 630 549 TPG Internet Pty Ltd 18101 556 521 Reliance Infocom Ltd Internet 6197 1026 517 BellSouth Network Solutions, 19916 568 517 OLM LLC 7029 596 516 Alltel Information Services, 15270 544 509 PaeTec.net -a division of Pae 855 572 501 Canadian Research Network List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65001 PRIVATE 82.213.31.0/24 12975 PALTEL Autonomous Sy 64512 PRIVATE 193.224.185.0/24 2547 Budapest University 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 7.1.1.0/24 1239 Sprint 94.110.196.0/24 21161 Bechtle Autonomous System 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /9:9 /10:15 /11:34 /12:126 /13:245 /14:458 /15:885 /16:9442 /17:3995 /18:6416 /19:13601 /20:15697 /21:14128 /22:18421 /23:19542 /24:117353 /25:797 /26:826 /27:477 /28:69 /29:10 /30:13 /31:0 /32:12 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6478 1093 1103 AT&T Worldnet Services 11492 1066 1075 Cable One 18566 992 1010 Covad Communications 9583 935 1094 Sify Limited 2386 849 1148 AT&T Data Communications Serv 7018 814 1502 AT&T WorldNet Services 6197 780 1026 BellSouth Network Solutions, 23577 764 778 Korea Telecom (ATM-MPLS) 7011 705 804 Citizens Utilities 9498 669 1000 BHARTI BT INTERNET LTD. 4755 626 1230 Videsh Sanchar Nigam Ltd. Aut 4766 593 786 Korea Telecom (KIX) 19916 563 568 OLM LLC 4323 520 1273 Time Warner Telecom 17488 520 699 Hathway IP Over Cable Interne 15270 511 544 PaeTec.net -a division of Pae 4668 498 508 LG-EDS Systems Inc. 18101 472 556 Reliance Infocom Ltd Internet 855 470 572 Canadian Research Network 5668 469 604 CenturyTel Internet Holdings, Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 7:1 8:81 9:1 12:1811 15:19 16:3 17:3 18:8 20:38 24:922 25:1 32:51 33:2 38:319 40:61 41:156 44:2 47:5 52:4 55:3 56:3 57:24 58:417 59:403 60:302 61:971 62:924 63:1977 64:3118 65:2357 66:3244 67:790 68:629 69:1874 70:517 71:108 72:1335 73:1 74:501 75:261 76:51 77:235 78:2 80:824 81:805 82:657 83:380 84:419 85:819 86:341 87:466 88:276 89:896 90:7 91:354 94:1 97:6 98:3 116:111 117:32 121:160 122:540 123:109 124:823 125:943 128:281 129:225 130:134 131:367 132:52 133:9 134:193 135:38 136:185 137:81 138:142 139:70 140:480 141:170 142:373 143:233 144:292 145:43 146:319 147:122 148:399 149:143 150:137 151:158 152:92 153:125 154:4 155:254 156:152 157:186 158:158 159:158 160:107 161:92 162:228 163:184 164:450 165:399 166:241 167:285 168:506 169:120 170:403 171:16 172:1 189:59 190:642 192:5774 193:3890 194:3142 195:2234 196:916 198:3759 199:3285 200:4797 201:994 202:7340 203:7511 204:3971 205:2029 206:2331 207:2842 208:2709 209:3577 210:2469 211:967 212:1309 213:1474 214:415 215:40 216:4041 217:1147 218:354 219:381 220:963 221:406 222:262 End of report
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