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Routing Table Report 00:00 GMT Sun 23 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: 324297 Prefixes after maximum aggregation: 147824 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 157114 Total ASes present in the Internet Routing Table: 34084 Prefixes per ASN: 9.51 Origin-only ASes present in the Internet Routing Table: 29500 Origin ASes announcing only one prefix: 14340 Transit ASes present in the Internet Routing Table: 4584 Transit-only ASes present in the Internet Routing Table: 110 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 25 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 388 Unregistered ASNs in the Routing Table: 139 Number of 32-bit ASNs allocated by the RIRs: 585 Prefixes from 32-bit ASNs in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2221703699 Equivalent to 132 /8s, 108 /16s and 130 /24s Percentage of available address space announced: 59.9 Percentage of allocated address space announced: 65.3 Percentage of available address space allocated: 91.9 Percentage of address space in use by end-sites: 82.9 Total number of prefixes smaller than registry allocations: 154876
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 75238 Total APNIC prefixes after maximum aggregation: 26006 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 72340 Unique aggregates announced from the APNIC address blocks: 32386 APNIC Region origin ASes present in the Internet Routing Table: 4035 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 1125 APNIC Region transit ASes present in the Internet Routing Table: 627 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 519905762 Equivalent to 30 /8s, 253 /16s and 33 /24s Percentage of available APNIC address space announced: 77.5
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: 136103 Total ARIN prefixes after maximum aggregation: 69775 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 108061 Unique aggregates announced from the ARIN address blocks: 41488 ARIN Region origin ASes present in the Internet Routing Table: 13715 ARIN Prefixes per ASN: 7.88 ARIN Region origin ASes announcing only one prefix: 5275 ARIN Region transit ASes present in the Internet Routing Table: 1389 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 22 Number of ARIN addresses announced to Internet: 731143969 Equivalent to 43 /8s, 148 /16s and 95 /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: 76829 Total RIPE prefixes after maximum aggregation: 43182 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 69733 Unique aggregates announced from the RIPE address blocks: 44083 RIPE Region origin ASes present in the Internet Routing Table: 14498 RIPE Prefixes per ASN: 4.81 RIPE Region origin ASes announcing only one prefix: 7437 RIPE Region transit ASes present in the Internet Routing Table: 2190 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 426527028 Equivalent to 25 /8s, 108 /16s and 73 /24s Percentage of available RIPE address space announced: 74.8
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, 47104-52223, 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: 28558 Total LACNIC prefixes after maximum aggregation: 6848 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 26983 Unique aggregates announced from the LACNIC address blocks: 14032 LACNIC Region origin ASes present in the Internet Routing Table: 1291 LACNIC Prefixes per ASN: 20.90 LACNIC Region origin ASes announcing only one prefix: 399 LACNIC Region transit ASes present in the Internet Routing Table: 232 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 73160712 Equivalent to 4 /8s, 92 /16s and 88 /24s Percentage of available LACNIC address space announced: 72.7
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: 7307 Total AfriNIC prefixes after maximum aggregation: 1865 AfriNIC Deaggregation factor: 3.92 Prefixes being announced from the AfriNIC address blocks: 5606 Unique aggregates announced from the AfriNIC address blocks: 1678 AfriNIC Region origin ASes present in the Internet Routing Table: 360 AfriNIC Prefixes per ASN: 15.57 AfriNIC Region origin ASes announcing only one prefix: 104 AfriNIC Region transit ASes present in the Internet Routing Table: 83 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC addresses announced to Internet: 17853184 Equivalent to 1 /8s, 16 /16s and 107 /24s Percentage of available AfriNIC address space announced: 53.2
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 1690 8421 478 Korea Telecom (KIX) 17488 1316 140 123 Hathway IP Over Cable Interne 4755 1304 293 149 Videsh Sanchar Nigam Ltd. Aut 7545 1212 232 105 TPG Internet Pty Ltd 17974 1026 281 18 PT TELEKOMUNIKASI INDONESIA 9583 994 73 484 Sify Limited 24560 901 305 169 Bharti Airtel Ltd. 4134 850 21191 403 CHINANET-BACKBONE 9829 790 681 34 BSNL National Internet Backbo 4808 773 1447 184 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 3930 3733 287 bellsouth.net, inc. 4323 3844 1116 405 Time Warner Telecom 1785 1781 698 131 AppliedTheory Corporation 20115 1624 1508 649 Charter Communications 7018 1512 5726 956 AT&T WorldNet Services 2386 1277 551 916 AT&T Data Communications Serv 6478 1248 257 99 AT&T Worldnet Services 3356 1209 10871 406 Level 3 Communications, LLC 22773 1154 2604 64 Cox Communications, Inc. 11492 1146 210 285 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 627 56 6 United Telecom AS 9116 530 328 32 Goldenlines main autonomous s 3292 476 2027 394 TDC Tele Danmark 30890 442 116 207 Evolva Telecom 3216 417 133 30 Teleross, Moscow, Russia 702 416 1870 330 UUNET - Commercial IP service 8551 402 355 38 Bezeq International 8866 397 117 18 Bulgarian Telecommunication C 3320 365 7072 317 Deutsche Telekom AG 3301 364 1413 321 TeliaNet Sweden
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 1587 2962 237 Uninet S.A. de C.V. 10620 1042 234 152 TVCABLE BOGOTA 28573 875 720 76 Types of queries are: POCs, o 7303 730 377 107 Telecom Argentina Stet-France 6503 582 173 209 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 470 202 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 1252 445 10 TEDATA 24863 712 147 39 LINKdotNET AS number 36992 643 278 184 Etisalat MISR 3741 270 852 231 The Internet Solution 2018 216 231 112 TENET-1 33776 189 11 21 Starcomms Nigeria Limited 6713 176 167 12 Itissalat Al-MAGHRIB 24835 175 78 10 RAYA Telecom - Egypt 29571 172 19 9 Ci Telecom Autonomous system 29975 132 490 17 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 3930 3733 287 bellsouth.net, inc. 4323 3844 1116 405 Time Warner Telecom 1785 1781 698 131 AppliedTheory Corporation 4766 1690 8421 478 Korea Telecom (KIX) 20115 1624 1508 649 Charter Communications 8151 1587 2962 237 Uninet S.A. de C.V. 7018 1512 5726 956 AT&T WorldNet Services 17488 1316 140 123 Hathway IP Over Cable Interne 4755 1304 293 149 Videsh Sanchar Nigam Ltd. Aut 2386 1277 551 916 AT&T Data Communications Serv
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3844 3439 Time Warner Telecom 1785 1781 1650 AppliedTheory Corporation 8151 1587 1350 Uninet S.A. de C.V. 8452 1252 1242 TEDATA 4766 1690 1212 Korea Telecom (KIX) 17488 1316 1193 Hathway IP Over Cable Interne 4755 1304 1155 Videsh Sanchar Nigam Ltd. Aut 6478 1248 1149 AT&T Worldnet Services 7545 1212 1107 TPG Internet Pty Ltd 22773 1154 1090 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 31.1.0.0/21 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 41.223.199.0/24 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 /8:20 /9:10 /10:26 /11:67 /12:194 /13:401 /14:689 /15:1272 /16:11093 /17:5387 /18:9106 /19:18609 /20:23002 /21:22868 /22:29657 /23:29480 /24:170243 /25:345 /26:520 /27:218 /28:343 /29:162 /30:335 /31:0 /32:250
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2515 3930 bellsouth.net, inc. 4323 2330 3844 Time Warner Telecom 4766 1324 1690 Korea Telecom (KIX) 1785 1247 1781 AppliedTheory Corporation 8452 1130 1252 TEDATA 17488 1063 1316 Hathway IP Over Cable Interne 11492 1062 1146 Cable One 18566 1040 1059 Covad Communications 10620 958 1042 TVCABLE BOGOTA 7018 922 1512 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 12:2014 13:10 14:1 15:23 16:3 17:8 20:21 24:1463 27:99 31:1 32:137 33:12 38:671 40:98 41:2458 44:3 47:25 52:6 55:7 56:2 57:36 58:726 59:497 60:434 61:1074 62:1088 63:1985 64:3868 65:2366 66:4247 67:1872 68:1128 69:2865 70:712 71:258 72:1869 73:2 74:2307 75:254 76:309 77:873 78:635 79:424 80:1027 81:806 82:507 83:463 84:729 85:1086 86:473 87:797 88:334 89:1723 90:88 91:2789 92:511 93:1124 94:1435 95:603 96:280 97:319 98:570 99:28 108:32 109:480 110:343 111:506 112:262 113:289 114:402 115:558 116:1039 117:645 118:441 119:918 120:147 121:727 122:1433 123:897 124:1127 125:1290 128:211 129:211 130:194 131:559 132:246 133:17 134:194 135:45 136:228 137:171 138:255 139:104 140:482 141:136 142:354 143:387 144:475 145:53 146:426 147:166 148:613 149:288 150:153 151:169 152:261 153:167 154:2 155:325 156:156 157:325 158:107 159:375 160:313 161:185 162:262 163:178 164:407 165:346 166:476 167:396 168:785 169:161 170:706 171:51 172:2 173:740 174:644 175:103 176:1 178:114 180:476 182:57 183:251 184:45 186:389 187:351 188:1374 189:784 190:3686 192:5784 193:4715 194:3424 195:2925 196:1207 197:1 198:3583 199:3438 200:5386 201:1513 202:8135 203:8316 204:4064 205:2335 206:2537 207:3035 208:3892 209:3414 210:2510 211:1263 212:1801 213:1759 214:656 215:70 216:4651 217:1556 218:493 219:400 220:1107 221:400 222:335 223:1
End of report
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