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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri May 5 20:06:07 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 06 May, 2006 Analysis Summary ---------------- BGP routing table entries examined: 187455 Prefixes after maximum aggregation: 103616 Unique aggregates announced to Internet: 91884 Total ASes present in the Internet Routing Table: 22087 Origin-only ASes present in the Internet Routing Table: 19218 Origin ASes announcing only one prefix: 9153 Transit ASes present in the Internet Routing Table: 2869 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 23 Max AS path prepend of ASN (34527) 16 Prefixes from unregistered ASNs in the Routing Table: 28 Unregistered ASNs in the Routing Table: 6 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1531319456 Equivalent to 91 /8s, 70 /16s and 20 /24s Percentage of available address space announced: 41.3 Percentage of allocated address space announced: 59.8 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 92349 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 39523 Total APNIC prefixes after maximum aggregation: 16521 Prefixes being announced from the APNIC address blocks: 37242 Unique aggregates announced from the APNIC address blocks: 18267 APNIC Region origin ASes present in the Internet Routing Table: 2543 APNIC Region origin ASes announcing only one prefix: 715 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: 225017824 Equivalent to 13 /8s, 105 /16s and 127 /24s Percentage of available APNIC address space announced: 70.4 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: 97040 Total ARIN prefixes after maximum aggregation: 57517 Prefixes being announced from the ARIN address blocks: 71278 Unique aggregates announced from the ARIN address blocks: 26403 ARIN Region origin ASes present in the Internet Routing Table: 10690 ARIN Region origin ASes announcing only one prefix: 4009 ARIN Region transit ASes present in the Internet Routing Table: 986 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 290145792 Equivalent to 17 /8s, 75 /16s and 70 /24s Percentage of available ARIN address space announced: 75.2 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 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: 37490 Total RIPE prefixes after maximum aggregation: 25049 Prefixes being announced from the RIPE address blocks: 34506 Unique aggregates announced from the RIPE address blocks: 23143 RIPE Region origin ASes present in the Internet Routing Table: 7951 RIPE Region origin ASes announcing only one prefix: 4162 RIPE Region transit ASes present in the Internet Routing Table: 1306 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 247766464 Equivalent to 14 /8s, 196 /16s and 157 /24s Percentage of available RIPE address space announced: 77.7 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 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: 11278 Total LACNIC prefixes after maximum aggregation: 3636 Prefixes being announced from the LACNIC address blocks: 9368 Unique aggregates announced from the LACNIC address blocks: 5436 LACNIC Region origin ASes present in the Internet Routing Table: 683 LACNIC Region origin ASes announcing only one prefix: 221 LACNIC Region transit ASes present in the Internet Routing Table: 129 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 26824960 Equivalent to 1 /8s, 153 /16s and 81 /24s Percentage of available LACNIC address space announced: 40.0 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: 2119 Total AfriNIC prefixes after maximum aggregation: 893 Prefixes being announced from the AfriNIC address blocks: 1463 Unique aggregates announced from the AfriNIC address blocks: 953 AfriNIC Region origin ASes present in the Internet Routing Table: 154 AfriNIC Region origin ASes announcing only one prefix: 46 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4066816 Equivalent to 0 /8s, 62 /16s and 14 /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 1129 7088 221 CHINANET-BACKBONE 4755 913 259 71 Videsh Sanchar Nigam Ltd. Aut 9583 900 109 16 Sify Limited 4766 676 4435 303 Korea Telecom (KIX) 1221 615 1556 471 Telstra Pty Ltd 9498 566 211 67 BHARTI BT INTERNET LTD. 7545 530 124 70 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 486 7029 108 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 4802 384 81 175 Wantree Development 17849 347 22 113 Telecommunications Technology 18101 338 85 24 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 17557 329 28 158 Pakistan Telecom 9929 324 221 57 China Netcom Corp. 17974 312 120 29 PT TELEKOMUNIKASI INDONESIA 7474 299 211 229 SingTel Optus Pty Ltd 9800 273 410 67 CHINA UNICOM 9837 265 78 158 Powertel Ltd ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1508 6256 967 AT&T WorldNet Services 4323 1292 733 253 Time Warner Telecom 6197 1007 618 472 BellSouth Network Solutions, 721 1001 21929 303 DLA Systems Automation Center 174 961 5787 907 Cogent Communications 19029 951 151 111 New Edge Networks 18566 937 272 8 Covad Communications 701 923 8009 765 UUNET Technologies, Inc. 2386 877 522 676 AT&T Data Communications Serv 1239 848 2805 600 Sprint 209 709 3595 555 Qwest 19262 695 2089 165 Verizon Global Networks 20115 688 601 369 Charter Communications 22773 658 1745 45 Cox Communications, Inc. 7011 633 217 413 Citizens Utilities 11492 631 87 21 Cable One 852 582 1085 384 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 549 244 63 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 702 580 1951 456 UUNET - Commercial IP service 3352 310 1612 29 Ibernet, Internet Access Netw 3301 306 1071 292 TeliaNet Sweden 8220 290 474 268 COLT Telecommunications 3320 286 3989 239 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 233 504 223 Song Networks 6746 227 89 203 Dynamic Network Technologies, 8708 218 276 201 Romania Data Systems S.A. 24863 207 40 9 LINKdotNET AS number 8551 202 198 24 Bezeq International 3269 198 2134 72 TELECOM ITALIA 3215 196 1662 93 France Telecom Transpac 1257 195 742 169 SWIPnet Swedish IP Network 8866 179 37 16 Bulgarian Telecommunication C 6830 175 765 35 UPC Distribution Services 786 171 1778 171 The JANET IP Service 5400 170 363 139 BT Ignite European Backbone 9121 170 931 27 TTnet Autonomous System 30890 170 15 63 SC Kappa Invexim SRL LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 700 1067 227 UniNet S.A. de C.V. 22047 409 158 11 VTR PUNTO NET S.A. 11172 324 110 84 Servicios Alestra S.A de C.V 16814 317 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 163 76 20 Telecom Argentina Stet-France 21826 138 16 21 INTERCABLE 5639 132 12 9 Telecommunications Services o 11556 132 80 4 Cable-Wireless Panama 6503 129 149 78 AVANTEL, S.A. 19169 127 8 20 Telconet 14259 115 10 12 GTD Internet S.A. 23216 110 21 9 RAMtelecom Telecomunicaciones 6505 106 88 78 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 19429 103 58 44 E.T.B. 14522 100 13 7 SatNet S.A. 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 170 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 55 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 21491 19 17 2 UTL On-line is RF broadband I Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 4323 1292 1039 Time Warner Telecom 18566 937 929 Covad Communications 4134 1129 908 CHINANET-BACKBONE 9583 900 884 Sify Limited 4755 913 842 Videsh Sanchar Nigam Ltd. Aut 19029 951 840 New Edge Networks 721 1001 698 DLA Systems Automation Center 22773 658 613 Cox Communications, Inc. 11492 631 610 Cable One 6197 1007 535 BellSouth Network Solutions, 19262 695 530 Verizon Global Networks 19916 563 509 OLM LLC 5668 532 509 CenturyTel Internet Holdings, 9498 566 499 BHARTI BT INTERNET LTD. 17488 501 494 Hathway IP Over Cable Interne 855 549 486 Canadian Research Network 8151 700 473 UniNet S.A. de C.V. 7545 530 460 TPG Internet Pty Ltd 3602 537 428 Sprint Canada, Inc. 22047 409 398 VTR PUNTO NET S.A. List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 36656 UNALLOCATED 64.18.154.0/24 19318 Albany International 36656 UNALLOCATED 64.20.54.0/24 19318 Albany International 36656 UNALLOCATED 64.20.55.0/24 19318 Albany International 36656 UNALLOCATED 64.20.57.0/24 19318 Albany International 36656 UNALLOCATED 64.20.58.0/24 19318 Albany International 36656 UNALLOCATED 64.20.59.0/24 19318 Albany International 36656 UNALLOCATED 64.20.60.0/24 19318 Albany International 36656 UNALLOCATED 64.20.61.0/24 19318 Albany International 36656 UNALLOCATED 64.20.62.0/24 19318 Albany International 36727 UNALLOCATED 74.128.0.0/15 3356 Level 3 Communicatio 36727 UNALLOCATED 74.130.0.0/16 3356 Level 3 Communicatio 36727 UNALLOCATED 74.131.0.0/16 1239 Sprint 36727 UNALLOCATED 74.132.0.0/16 3356 Level 3 Communicatio 36727 UNALLOCATED 74.133.0.0/17 3356 Level 3 Communicatio 36727 UNALLOCATED 74.133.128.0/18 3356 Level 3 Communicatio 36727 UNALLOCATED 74.134.0.0/15 1239 Sprint 36727 UNALLOCATED 74.136.0.0/16 1239 Sprint 36727 UNALLOCATED 74.137.0.0/18 3356 Level 3 Communicatio 36727 UNALLOCATED 74.137.64.0/20 3356 Level 3 Communicatio 36727 UNALLOCATED 74.137.80.0/20 1239 Sprint 36727 UNALLOCATED 74.137.96.0/20 1239 Sprint 36727 UNALLOCATED 74.137.112.0/20 1239 Sprint 36727 UNALLOCATED 74.137.128.0/17 3356 Level 3 Communicatio 65289 PRIVATE 148.164.1.0/24 4755 Videsh Sanchar Nigam 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 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 223.1.1.0/24 22724 PUNTONET S.A. 223.1.2.0/24 22724 PUNTONET S.A. 223.1.3.0/24 22724 PUNTONET S.A. 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 /12:89 /13:199 /14:361 /15:706 /16:8796 /17:3201 /18:5278 /19:11597 /20:13106 /21:11313 /22:14494 /23:15593 /24:101607 /25:380 /26:266 /27:209 /28:61 /29:70 /30:35 /31:0 /32:30 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 920 937 Covad Communications 19029 882 951 New Edge Networks 6197 796 1007 BellSouth Network Solutions, 7018 795 1508 AT&T WorldNet Services 9583 729 900 Sify Limited 4323 636 1292 Time Warner Telecom 11492 622 631 Cable One 2386 597 877 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 542 633 Citizens Utilities 4766 486 676 Korea Telecom (KIX) 855 424 549 Canadian Research Network 5668 413 532 CenturyTel Internet Holdings, 15270 388 419 PaeTec.net -a division of Pae 1239 385 848 Sprint 702 359 580 UUNET - Commercial IP service 6198 356 507 BellSouth Network Solutions, 6517 356 386 Yipes Communications, Inc. 17849 347 347 Telecommunications Technology 8151 345 700 UniNet S.A. de C.V. Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:2 8:43 12:1634 13:1 15:12 16:3 17:3 18:4 20:43 24:740 25:1 30:2 32:59 38:211 40:54 41:1 44:3 47:6 52:4 55:1 56:3 57:25 58:152 59:188 60:181 61:844 62:764 63:1924 64:3180 65:2203 66:2993 67:600 68:659 69:1484 70:328 71:80 72:688 73:23 74:32 80:797 81:631 82:599 83:385 84:380 85:528 86:390 87:325 88:80 89:172 124:265 125:379 128:172 129:182 130:109 131:318 132:28 133:8 134:158 135:46 136:179 137:71 138:197 139:68 140:465 141:136 142:382 143:163 144:225 145:43 146:325 147:135 148:330 149:187 150:116 151:80 152:64 153:106 154:6 155:196 156:98 157:143 158:162 159:171 160:87 161:72 162:259 163:146 164:180 165:194 166:163 167:244 168:483 169:129 170:332 171:13 183:1 190:59 192:5735 193:3365 194:2600 195:1838 196:844 198:3900 199:3225 200:4433 201:922 202:6599 203:6887 204:3887 205:2080 206:2403 207:2939 208:2077 209:3802 210:1915 211:684 212:1188 213:1477 214:313 215:41 216:4117 217:1172 218:275 219:184 220:655 221:358 222:149 223:3 End of report
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