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[routing-wg]Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Jun 13 20:08:03 CEST 2008
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 14 Jun, 2008 Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 259901 Prefixes after maximum aggregation: 128080 Deaggregation factor: 2.03 Unique aggregates announced to Internet: 126786 Total ASes present in the Internet Routing Table: 28442 Prefixes per ASN: 9.14 Origin-only ASes present in the Internet Routing Table: 24790 Origin ASes announcing only one prefix: 11978 Transit ASes present in the Internet Routing Table: 3652 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 18 Max AS path prepend of ASN (43380) 13 Prefixes from unregistered ASNs in the Routing Table: 623 Unregistered ASNs in the Routing Table: 229 Number of 32-bit ASNs allocated by the RIRs: 48 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 780 Number of addresses announced to Internet: 1858706912 Equivalent to 110 /8s, 201 /16s and 157 /24s Percentage of available address space announced: 50.1 Percentage of allocated address space announced: 60.9 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 72.2 Total number of prefixes smaller than registry allocations: 126226 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 59132 Total APNIC prefixes after maximum aggregation: 22129 APNIC Deaggregation factor: 2.67 Prefixes being announced from the APNIC address blocks: 56160 Unique aggregates announced from the APNIC address blocks: 25128 APNIC Region origin ASes present in the Internet Routing Table: 3275 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 869 APNIC Region transit ASes present in the Internet Routing Table: 508 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 352137632 Equivalent to 20 /8s, 253 /16s and 49 /24s Percentage of available APNIC address space announced: 75.0 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 120109 Total ARIN prefixes after maximum aggregation: 65072 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 89906 Unique aggregates announced from the ARIN address blocks: 34679 ARIN Region origin ASes present in the Internet Routing Table: 12213 ARIN Prefixes per ASN: 7.36 ARIN Region origin ASes announcing only one prefix: 4736 ARIN Region transit ASes present in the Internet Routing Table: 1147 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 15 Number of ARIN addresses announced to Internet: 356411552 Equivalent to 21 /8s, 62 /16s and 104 /24s Percentage of available ARIN address space announced: 73.3 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, 46080-47103 ARIN Address Blocks 24/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 55926 Total RIPE prefixes after maximum aggregation: 34008 RIPE Deaggregation factor: 1.64 Prefixes being announced from the RIPE address blocks: 51103 Unique aggregates announced from the RIPE address blocks: 34277 RIPE Region origin ASes present in the Internet Routing Table: 11456 RIPE Prefixes per ASN: 4.46 RIPE Region origin ASes announcing only one prefix: 5988 RIPE Region transit ASes present in the Internet Routing Table: 1725 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 360988032 Equivalent to 21 /8s, 132 /16s and 61 /24s Percentage of available RIPE address space announced: 82.8 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 40960-45055, 47104-48127 RIPE Address Blocks 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 20218 Total LACNIC prefixes after maximum aggregation: 5155 LACNIC Deaggregation factor: 3.92 Prefixes being announced from the LACNIC address blocks: 18456 Unique aggregates announced from the LACNIC address blocks: 10363 LACNIC Region origin ASes present in the Internet Routing Table: 954 LACNIC Prefixes per ASN: 19.35 LACNIC Region origin ASes announcing only one prefix: 305 LACNIC Region transit ASes present in the Internet Routing Table: 160 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 15 Number of LACNIC addresses announced to Internet: 52287232 Equivalent to 3 /8s, 29 /16s and 215 /24s Percentage of available LACNIC address space announced: 51.9 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 3895 Total AfriNIC prefixes after maximum aggregation: 1200 AfriNIC Deaggregation factor: 3.25 Prefixes being announced from the AfriNIC address blocks: 4168 Unique aggregates announced from the AfriNIC address blocks: 1875 AfriNIC Region origin ASes present in the Internet Routing Table: 243 AfriNIC Prefixes per ASN: 17.15 AfriNIC Region origin ASes announcing only one prefix: 80 AfriNIC Region transit ASes present in the Internet Routing Table: 47 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 12316160 Equivalent to 0 /8s, 187 /16s and 238 /24s Percentage of available AfriNIC address space announced: 36.7 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 4755 1618 387 89 Videsh Sanchar Nigam Ltd. Aut 9498 1181 550 62 BHARTI BT INTERNET LTD. 17488 1120 78 76 Hathway IP Over Cable Interne 9583 1116 110 450 Sify Limited 4766 850 6006 343 Korea Telecom (KIX) 4134 824 12915 321 CHINANET-BACKBONE 23577 820 34 702 Korea Telecom (ATM-MPLS) 18101 693 167 36 Reliance Infocom Ltd Internet 9829 598 450 12 BSNL National Internet Backbo 1221 550 1919 423 Telstra Pty Ltd Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 209 3009 3874 620 Qwest 6389 2355 3138 188 bellsouth.net, inc. 4323 1469 1045 378 Time Warner Telecom 2386 1453 660 875 AT&T Data Communications Serv 7018 1370 5810 980 AT&T WorldNet Services 11492 1228 148 12 Cable One 1785 1066 510 105 AppliedTheory Corporation 18566 1044 296 10 Covad Communications 20115 1040 1062 564 Charter Communications 7011 1034 289 569 Citizens Utilities Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 3292 412 1772 371 TDC Tele Danmark 8452 347 188 7 TEDATA 3301 338 1460 308 TeliaNet Sweden 8866 319 77 21 Bulgarian Telecommunication C 3320 315 7045 265 Deutsche Telekom AG 3215 285 2742 89 France Telecom Transpac 8551 283 269 38 Bezeq International 5462 275 666 27 Telewest Broadband 680 274 2047 264 DFN-IP service G-WiN 9155 268 45 10 QualityNet AS number Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 1245 2464 227 UniNet S.A. de C.V. 11830 603 299 9 Instituto Costarricense de El 22047 566 270 14 VTR PUNTO NET S.A. 7303 468 229 66 Telecom Argentina Stet-France 16814 426 27 10 NSS, S.A. 6471 413 85 46 ENTEL CHILE S.A. 11172 411 118 69 Servicios Alestra S.A de C.V 10620 392 100 71 TVCABLE BOGOTA 14117 375 23 9 Telefonica del Sur S.A. 20299 340 24 92 NEWCOM AMERICAS Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 475 61 30 LINKdotNET AS number 3741 282 853 223 The Internet Solution 20858 220 34 3 EgyNet 2018 192 189 82 Tertiary Education Network 5713 163 558 99 Telkom SA Ltd 6713 143 135 11 Itissalat Al-MAGHRIB 33783 134 10 12 EEPAD TISP TELECOM & INTERNET 5536 121 8 16 Internet Egypt Network 29571 103 13 8 Ci Telecom Autonomous system 33776 100 6 3 Starcomms Nigeria Limited Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 209 3009 3874 620 Qwest 6389 2355 3138 188 bellsouth.net, inc. 4755 1618 387 89 Videsh Sanchar Nigam Ltd. Aut 4323 1469 1045 378 Time Warner Telecom 2386 1453 660 875 AT&T Data Communications Serv 7018 1370 5810 980 AT&T WorldNet Services 8151 1245 2464 227 UniNet S.A. de C.V. 11492 1228 148 12 Cable One 9498 1181 550 62 BHARTI BT INTERNET LTD. 17488 1120 78 76 Hathway IP Over Cable Interne Complete listing at http://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 2355 2167 bellsouth.net, inc. 4755 1618 1529 Videsh Sanchar Nigam Ltd. Aut 11492 1228 1216 Cable One 9498 1181 1119 BHARTI BT INTERNET LTD. 4323 1469 1091 Time Warner Telecom 17488 1120 1044 Hathway IP Over Cable Interne 18566 1044 1034 Covad Communications 8151 1245 1018 UniNet S.A. de C.V. 1785 1066 961 AppliedTheory Corporation 22773 957 895 Cox Communications, Inc. Complete listing at http://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 701 UUNET Technologies, 22492 UNALLOCATED 12.2.46.0/24 7018 AT&T WorldNet Servic 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 27220 UNALLOCATED 12.35.204.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic Complete listing at http://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.51.159.0/24 7843 Adelphia Corp. 24.54.224.0/19 20001 HoldCo LLC - Road Runner 24.75.160.0/19 7843 Adelphia Corp. 24.75.192.0/18 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio Complete listing at http://thyme.apnic.net/current/data-add-IANA 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 /10:16 /11:42 /12:142 /13:279 /14:514 /15:1028 /16:9958 /17:4337 /18:7359 /19:15676 /20:18305 /21:17924 /22:22319 /23:23253 /24:135965 /25:841 /26:1035 /27:782 /28:81 /29:10 /30:1 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 209 1764 3009 Qwest 6389 1452 2355 bellsouth.net, inc. 11492 1210 1228 Cable One 2386 1150 1453 AT&T Data Communications Serv 18566 1025 1044 Covad Communications 4755 973 1618 Videsh Sanchar Nigam Ltd. Aut 9583 971 1116 Sify Limited 6298 946 961 Cox Communicatons 6478 941 942 AT&T Worldnet Services 17488 932 1120 Hathway IP Over Cable Interne Complete listing at http://thyme.apnic.net/current/data/sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:114 12:2049 13:1 15:22 16:3 17:5 18:13 20:35 24:1075 25:1 32:61 33:3 38:440 40:92 41:645 43:1 44:2 47:12 52:3 55:4 56:3 57:23 58:458 59:475 60:443 61:991 62:1100 63:2030 64:3275 65:2419 66:3636 67:1211 68:695 69:2273 70:679 71:126 72:1815 73:5 74:1002 75:220 76:299 77:727 78:706 79:194 80:914 81:849 82:563 83:392 84:565 85:1011 86:422 87:694 88:313 89:1257 90:12 91:1267 92:186 93:574 94:16 96:34 97:23 98:200 99:3 100:1 111:1 112:1 113:1 114:34 116:695 117:326 118:143 119:460 120:59 121:525 122:781 123:346 124:850 125:1137 128:331 129:204 130:130 131:401 132:67 133:9 134:177 135:33 136:218 137:91 138:151 139:78 140:498 141:99 142:403 143:335 144:356 145:51 146:363 147:154 148:505 149:191 150:130 151:193 152:143 153:136 154:10 155:273 156:174 157:273 158:168 159:239 160:266 161:105 162:232 163:184 164:530 165:447 166:316 167:328 168:615 169:138 170:429 171:29 172:10 189:196 190:2103 192:5792 193:4094 194:3200 195:2488 196:1065 198:3740 199:3273 200:5541 201:1441 202:7631 203:7925 204:3986 205:2122 206:2412 207:2795 208:3365 209:3477 210:2520 211:1018 212:1399 213:1662 214:163 215:48 216:4426 217:1196 218:348 219:416 220:1083 221:469 222:308 End of report
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