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Routing Table Report 00:00 GMT Sun 30 May, 2010
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net Detailed Analysis: http://thyme.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 324662 Prefixes after maximum aggregation: 147813 Deaggregation factor: 2.20 Unique aggregates announced to Internet: 156726 Total ASes present in the Internet Routing Table: 34139 Prefixes per ASN: 9.51 Origin-only ASes present in the Internet Routing Table: 29484 Origin ASes announcing only one prefix: 14351 Transit ASes present in the Internet Routing Table: 4655 Transit-only ASes present in the Internet Routing Table: 112 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 34 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 416 Unregistered ASNs in the Routing Table: 140 Number of 32-bit ASNs allocated by the RIRs: 591 Prefixes from 32-bit ASNs in the Routing Table: 42 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 169 Number of addresses announced to Internet: 2258686386 Equivalent to 134 /8s, 160 /16s and 209 /24s Percentage of available address space announced: 60.9 Percentage of allocated address space announced: 66.3 Percentage of available address space allocated: 91.9 Percentage of address space in use by end-sites: 83.0 Total number of prefixes smaller than registry allocations: 154836
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 75590 Total APNIC prefixes after maximum aggregation: 26012 APNIC Deaggregation factor: 2.91 Prefixes being announced from the APNIC address blocks: 72675 Unique aggregates announced from the APNIC address blocks: 32458 APNIC Region origin ASes present in the Internet Routing Table: 4053 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 1133 APNIC Region transit ASes present in the Internet Routing Table: 646 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 520549345 Equivalent to 31 /8s, 6 /16s and 243 /24s Percentage of available APNIC address space announced: 77.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 1/8, 14/8, 27/8, 43/8, 58/8, 59/8, 60/8, 61/8, 110/8, 111/8, 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, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 135826 Total ARIN prefixes after maximum aggregation: 69677 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 107811 Unique aggregates announced from the ARIN address blocks: 40925 ARIN Region origin ASes present in the Internet Routing Table: 13740 ARIN Prefixes per ASN: 7.85 ARIN Region origin ASes announcing only one prefix: 5291 ARIN Region transit ASes present in the Internet Routing Table: 1406 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731631905 Equivalent to 43 /8s, 155 /16s and 209 /24s Percentage of available ARIN address space announced: 62.3
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 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 76967 Total RIPE prefixes after maximum aggregation: 43227 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 69911 Unique aggregates announced from the RIPE address blocks: 44163 RIPE Region origin ASes present in the Internet Routing Table: 14503 RIPE Prefixes per ASN: 4.82 RIPE Region origin ASes announcing only one prefix: 7422 RIPE Region transit ASes present in the Internet Routing Table: 2229 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 34 Number of RIPE addresses announced to Internet: 428210644 Equivalent to 25 /8s, 133 /16s and 249 /24s Percentage of available RIPE address space announced: 75.1
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, 47104-52223, 196608-197631 RIPE Address Blocks 2/8, 25/8, 31/8, 46/8, 51/8, 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, 109/8, 176/8, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 28597 Total LACNIC prefixes after maximum aggregation: 6856 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 27004 Unique aggregates announced from the LACNIC address blocks: 14055 LACNIC Region origin ASes present in the Internet Routing Table: 1292 LACNIC Prefixes per ASN: 20.90 LACNIC Region origin ASes announcing only one prefix: 397 LACNIC Region transit ASes present in the Internet Routing Table: 231 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 73268744 Equivalent to 4 /8s, 93 /16s and 254 /24s Percentage of available LACNIC address space announced: 72.8
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 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: 7392 Total AfriNIC prefixes after maximum aggregation: 1859 AfriNIC Deaggregation factor: 3.98 Prefixes being announced from the AfriNIC address blocks: 5674 Unique aggregates announced from the AfriNIC address blocks: 1671 AfriNIC Region origin ASes present in the Internet Routing Table: 366 AfriNIC Prefixes per ASN: 15.50 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 83 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 18718208 Equivalent to 1 /8s, 29 /16s and 158 /24s Percentage of available AfriNIC address space announced: 55.8
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1688 8421 477 Korea Telecom (KIX) 17488 1315 140 123 Hathway IP Over Cable Interne 4755 1308 293 150 Videsh Sanchar Nigam Ltd. Aut 7545 1279 232 104 TPG Internet Pty Ltd 17974 1069 281 19 PT TELEKOMUNIKASI INDONESIA 9583 1002 74 491 Sify Limited 24560 907 306 171 Bharti Airtel Ltd. 4134 853 21259 406 CHINANET-BACKBONE 9829 797 681 34 BSNL National Internet Backbo 4808 776 1455 183 CNCGROUP IP network: China169
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3913 3716 281 bellsouth.net, inc. 4323 3365 1090 403 Time Warner Telecom 1785 1784 698 131 AppliedTheory Corporation 20115 1613 1500 650 Charter Communications 7018 1498 5707 953 AT&T WorldNet Services 2386 1279 552 917 AT&T Data Communications Serv 6478 1254 258 94 AT&T Worldnet Services 3356 1199 10849 399 Level 3 Communications, LLC 22773 1155 2604 64 Cox Communications, Inc. 11492 1149 207 70 Cable One
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 35805 628 56 6 United Telecom AS 9116 530 328 32 Goldenlines main autonomous s 3292 476 2028 396 TDC Tele Danmark 30890 444 116 208 Evolva Telecom 3216 430 148 30 Teleross, Moscow, Russia 702 416 1870 331 UUNET - Commercial IP service 8551 402 355 38 Bezeq International 8866 400 117 18 Bulgarian Telecommunication C 3301 367 1414 323 TeliaNet Sweden 3320 364 7072 317 Deutsche Telekom AG
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1565 2982 239 Uninet S.A. de C.V. 10620 1050 236 151 TVCABLE BOGOTA 28573 893 724 77 Types of queries are: POCs, o 7303 730 378 109 Telecom Argentina Stet-France 6503 587 174 209 AVANTEL, S.A. 22047 545 310 15 Types of queries are: POCs, o 7738 477 922 30 Telecomunicacoes da Bahia S.A 11830 476 308 56 Instituto Costarricense de El 3816 473 204 73 COLOMBIA TELECOMUNICACIONES S 14117 455 30 13 Telefonica del Sur S.A.
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1298 445 10 TEDATA 24863 712 147 38 LINKdotNET AS number 36992 638 278 185 Etisalat MISR 3741 270 852 231 The Internet Solution 2018 216 230 111 TENET-1 33776 214 11 14 Starcomms Nigeria Limited 6713 176 167 12 Itissalat Al-MAGHRIB 24835 176 78 10 RAYA Telecom - Egypt 29571 172 19 9 Ci Telecom Autonomous system 29975 133 506 14 Vodacom
Complete listing at http://thyme.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3913 3716 281 bellsouth.net, inc. 4323 3365 1090 403 Time Warner Telecom 1785 1784 698 131 AppliedTheory Corporation 4766 1688 8421 477 Korea Telecom (KIX) 20115 1613 1500 650 Charter Communications 8151 1565 2982 239 Uninet S.A. de C.V. 7018 1498 5707 953 AT&T WorldNet Services 17488 1315 140 123 Hathway IP Over Cable Interne 4755 1308 293 150 Videsh Sanchar Nigam Ltd. Aut 8452 1298 445 10 TEDATA
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3365 2962 Time Warner Telecom 1785 1784 1653 AppliedTheory Corporation 8151 1565 1326 Uninet S.A. de C.V. 8452 1298 1288 TEDATA 4766 1688 1211 Korea Telecom (KIX) 17488 1315 1192 Hathway IP Over Cable Interne 7545 1279 1175 TPG Internet Pty Ltd 6478 1254 1160 AT&T Worldnet Services 4755 1308 1158 Videsh Sanchar Nigam Ltd. Aut 22773 1155 1091 Cox Communications, Inc.
Complete listing at http://thyme.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 16927 UNALLOCATED 12.0.252.0/23 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 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.155.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.159.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 31.0.0.0/16 12654 RIPE NCC RIS Project 31.0.0.0/8 237 Merit Network 31.1.0.0/21 12654 RIPE NCC RIS Project 31.1.24.0/24 12654 RIPE NCC RIS Project 41.222.79.0/24 36938 Amsco Telecommunications Nige 41.223.92.0/22 36936 >>UNKNOWN<< 41.223.188.0/24 22351 Intelsat 41.223.196.0/24 36990 Alkan Telecom Ltd 41.223.197.0/24 36990 Alkan Telecom Ltd 41.223.198.0/24 36990 Alkan Telecom Ltd
Complete listing at http://thyme.apnic.net/rviews/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 /8:21 /9:10 /10:26 /11:67 /12:194 /13:403 /14:693 /15:1275 /16:11099 /17:5394 /18:9123 /19:18601 /20:23045 /21:22917 /22:29763 /23:29581 /24:170227 /25:356 /26:564 /27:220 /28:313 /29:171 /30:343 /31:0 /32:256
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2510 3913 bellsouth.net, inc. 4323 1850 3365 Time Warner Telecom 4766 1322 1688 Korea Telecom (KIX) 1785 1250 1784 AppliedTheory Corporation 8452 1185 1298 TEDATA 11492 1063 1149 Cable One 17488 1062 1315 Hathway IP Over Cable Interne 18566 1040 1059 Covad Communications 10620 966 1050 TVCABLE BOGOTA 7018 909 1498 AT&T WorldNet Services
Complete listing at http://thyme.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:13 8:266 12:2016 13:10 14:1 15:23 16:3 17:8 20:21 24:1452 27:109 31:1 32:137 33:12 38:673 40:98 41:2537 44:3 47:26 52:8 55:5 56:2 57:36 58:735 59:504 60:456 61:1082 62:1088 63:1978 64:3624 65:2343 66:4294 67:1858 68:1114 69:2880 70:715 71:258 72:1874 73:2 74:2108 75:255 76:309 77:867 78:629 79:436 80:1023 81:813 82:499 83:458 84:729 85:1087 86:471 87:794 88:338 89:1724 90:90 91:2813 92:511 93:1121 94:1428 95:606 96:280 97:320 98:592 99:28 108:32 109:504 110:361 111:502 112:263 113:298 114:412 115:577 116:1034 117:651 118:440 119:935 120:145 121:742 122:1435 123:908 124:1124 125:1315 128:211 129:212 130:193 131:558 132:247 133:17 134:197 135:45 136:229 137:172 138:256 139:115 140:484 141:136 142:354 143:388 144:472 145:53 146:424 147:166 148:610 149:291 150:153 151:169 152:261 153:168 154:2 155:326 156:153 157:326 158:107 159:374 160:312 161:179 162:262 163:180 164:407 165:347 166:474 167:397 168:784 169:165 170:710 171:53 172:2 173:768 174:654 175:102 176:1 178:155 180:473 182:80 183:128 184:77 186:392 187:341 188:1376 189:795 190:3663 192:5777 193:4701 194:3422 195:2943 196:1205 198:3575 199:3428 200:5363 201:1520 202:8178 203:8338 204:4068 205:2336 206:2528 207:3042 208:3904 209:3418 210:2522 211:1267 212:1814 213:1766 214:653 215:69 216:4682 217:1560 218:488 219:379 220:1127 221:400 222:334 223:1
End of report
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