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Routing Table Report 00:00 GMT Fri 22 Oct, 2010
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/rviews/
Analysis Summary ----------------
BGP routing table entries examined: 337023 Prefixes after maximum aggregation: 152412 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 164630 Total ASes present in the Internet Routing Table: 35086 Prefixes per ASN: 9.61 Origin-only ASes present in the Internet Routing Table: 30295 Origin ASes announcing only one prefix: 14764 Transit ASes present in the Internet Routing Table: 4791 Transit-only ASes present in the Internet Routing Table: 105 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 367 Unregistered ASNs in the Routing Table: 144 Number of 32-bit ASNs allocated by the RIRs: 828 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 65 Prefixes being announced from unallocated address space: 211 Number of addresses announced to Internet: 2291246948 Equivalent to 136 /8s, 145 /16s and 167 /24s Percentage of available address space announced: 61.8 Percentage of allocated address space announced: 65.4 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.3 Total number of prefixes smaller than registry allocations: 137999
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 80565 Total APNIC prefixes after maximum aggregation: 27189 APNIC Deaggregation factor: 2.96 Prefixes being announced from the APNIC address blocks: 77590 Unique aggregates announced from the APNIC address blocks: 34567 APNIC Region origin ASes present in the Internet Routing Table: 4203 APNIC Prefixes per ASN: 18.46 APNIC Region origin ASes announcing only one prefix: 1191 APNIC Region transit ASes present in the Internet Routing Table: 650 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 560534465 Equivalent to 33 /8s, 105 /16s and 19 /24s Percentage of available APNIC address space announced: 75.9
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, 36/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 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: 138469 Total ARIN prefixes after maximum aggregation: 71213 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 109624 Unique aggregates announced from the ARIN address blocks: 43436 ARIN Region origin ASes present in the Internet Routing Table: 13978 ARIN Prefixes per ASN: 7.84 ARIN Region origin ASes announcing only one prefix: 5355 ARIN Region transit ASes present in the Internet Routing Table: 1427 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 737981953 Equivalent to 43 /8s, 252 /16s and 182 /24s Percentage of available ARIN address space announced: 62.8
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: 79877 Total RIPE prefixes after maximum aggregation: 44830 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 72592 Unique aggregates announced from the RIPE address blocks: 46182 RIPE Region origin ASes present in the Internet Routing Table: 14957 RIPE Prefixes per ASN: 4.85 RIPE Region origin ASes announcing only one prefix: 7667 RIPE Region transit ASes present in the Internet Routing Table: 2329 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 442319244 Equivalent to 26 /8s, 93 /16s and 65 /24s Percentage of available RIPE address space announced: 77.5
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: 30324 Total LACNIC prefixes after maximum aggregation: 7189 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 29001 Unique aggregates announced from the LACNIC address blocks: 15421 LACNIC Region origin ASes present in the Internet Routing Table: 1368 LACNIC Prefixes per ASN: 21.20 LACNIC Region origin ASes announcing only one prefix: 428 LACNIC Region transit ASes present in the Internet Routing Table: 237 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 76423304 Equivalent to 4 /8s, 142 /16s and 32 /24s Percentage of available LACNIC address space announced: 56.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 7535 Total AfriNIC prefixes after maximum aggregation: 1871 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 5833 Unique aggregates announced from the AfriNIC address blocks: 1724 AfriNIC Region origin ASes present in the Internet Routing Table: 410 AfriNIC Prefixes per ASN: 14.23 AfriNIC Region origin ASes announcing only one prefix: 123 AfriNIC Region transit ASes present in the Internet Routing Table: 90 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20908800 Equivalent to 1 /8s, 63 /16s and 11 /24s Percentage of available AfriNIC address space announced: 62.3
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 1729 9453 510 Korea Telecom (KIX) 7545 1417 299 78 TPG Internet Pty Ltd 4755 1375 382 158 Videsh Sanchar Nigam Ltd. Aut 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1271 303 77 PT TELEKOMUNIKASI INDONESIA 24560 1051 309 180 Bharti Airtel Ltd. 9583 1030 76 493 Sify Limited 4808 936 1670 255 CNCGROUP IP network: China169 18101 888 116 133 Reliance Infocom Ltd Internet 9829 827 694 27 BSNL National Internet Backbo
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3766 3667 279 bellsouth.net, inc. 4323 2616 1103 394 Time Warner Telecom 1785 1797 698 130 AppliedTheory Corporation 19262 1778 4833 280 Verizon Global Networks 20115 1549 1530 646 Charter Communications 7018 1439 9813 924 AT&T WorldNet Services 6478 1387 279 93 AT&T Worldnet Services 2386 1309 555 925 AT&T Data Communications Serv 11492 1236 231 74 Cable One 22773 1207 2859 62 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 286 861 710 139 KPNQwest Backbone AS 9116 533 328 33 Goldenlines main autonomous s 3292 493 2025 389 TDC Tele Danmark 8866 421 133 25 Bulgarian Telecommunication C 702 404 1869 318 UUNET - Commercial IP service 8551 404 355 38 Bezeq International 34984 382 91 187 Tellcom Iletisim Hizmetleri 3301 379 1688 336 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 12479 377 576 5 Uni2 Autonomous System
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 1339 2600 369 Uninet S.A. de C.V. 10620 1332 247 150 TVCABLE BOGOTA 28573 1219 920 84 Types of queries are: POCs, o 7303 830 441 109 Telecom Argentina Stet-France 6503 785 223 258 AVANTEL, S.A. 22047 563 310 15 Types of queries are: POCs, o 14420 545 39 76 Types of queries are: POCs, o 3816 485 210 96 COLOMBIA TELECOMUNICACIONES S 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 448 32 27 Telefonica del Sur S.A.
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1060 445 10 TEDATA 24863 743 147 40 LINKdotNET AS number 36992 639 278 159 Etisalat MISR 3741 268 907 225 The Internet Solution 24835 210 78 10 RAYA Telecom - Egypt 6713 203 199 12 Itissalat Al-MAGHRIB 29571 203 19 11 Ci Telecom Autonomous system 2018 197 277 64 TENET-1 33776 196 12 14 Starcomms Nigeria Limited 16637 157 441 94 Johnnic e-Ventures
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3766 3667 279 bellsouth.net, inc. 4323 2616 1103 394 Time Warner Telecom 1785 1797 698 130 AppliedTheory Corporation 19262 1778 4833 280 Verizon Global Networks 4766 1729 9453 510 Korea Telecom (KIX) 20115 1549 1530 646 Charter Communications 7018 1439 9813 924 AT&T WorldNet Services 7545 1417 299 78 TPG Internet Pty Ltd 6478 1387 279 93 AT&T Worldnet Services 4755 1375 382 158 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2616 2222 Time Warner Telecom 1785 1797 1667 AppliedTheory Corporation 19262 1778 1498 Verizon Global Networks 7545 1417 1339 TPG Internet Pty Ltd 6478 1387 1294 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4766 1729 1219 Korea Telecom (KIX) 4755 1375 1217 Videsh Sanchar Nigam Ltd. Aut 17974 1271 1194 PT TELEKOMUNIKASI INDONESIA 10620 1332 1182 TVCABLE BOGOTA
Complete listing at http://thyme.rand.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 4323 Time Warner Telecom 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.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.15/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS 10.29.245.27/32 286 KPNQwest Backbone AS 10.29.245.28/32 286 KPNQwest Backbone AS 10.29.245.29/32 286 KPNQwest Backbone AS 10.29.245.30/32 286 KPNQwest Backbone AS 10.29.245.50/32 286 KPNQwest Backbone AS 10.29.245.51/32 286 KPNQwest Backbone AS
Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua
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<< 46.17.152.0/21 31611 Abilene Net Solutions S.r.l. 46.21.0.0/20 15925 Mega Access GmbH 46.35.160.0/21 47771 Digital Cable Television Ltd. 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless
Complete listing at http://thyme.rand.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 /8:19 /9:10 /10:25 /11:69 /12:207 /13:420 /14:745 /15:1346 /16:11374 /17:5604 /18:9458 /19:18875 /20:24215 /21:24098 /22:31589 /23:30942 /24:175589 /25:375 /26:426 /27:168 /28:311 /29:147 /30:494 /31:14 /32:503
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2330 3766 bellsouth.net, inc. 4323 1406 2616 Time Warner Telecom 6478 1349 1387 AT&T Worldnet Services 10620 1220 1332 TVCABLE BOGOTA 11492 1193 1236 Cable One 1785 1077 1797 AppliedTheory Corporation 18566 1069 1088 Covad Communications 7011 1057 1158 Citizens Utilities 8452 967 1060 TEDATA 19262 903 1778 Verizon Global Networks
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:86 2:13 4:17 8:317 12:2010 13:8 14:41 15:20 16:3 17:9 20:9 24:1399 27:383 31:1 32:146 33:12 38:696 40:97 41:2564 44:3 46:164 47:10 49:4 50:1 52:12 55:5 56:2 57:40 58:834 59:501 60:480 61:1112 62:1035 63:1970 64:3753 65:2347 66:4087 67:1848 68:1151 69:2870 70:757 71:378 72:1985 73:2 74:2346 75:296 76:326 77:871 78:697 79:454 80:1055 81:813 82:524 83:463 84:707 85:1062 86:436 87:723 88:332 89:1587 90:110 91:3143 92:435 93:1035 94:1127 95:749 96:394 97:221 98:633 99:32 101:3 108:64 109:727 110:430 111:603 112:304 113:305 114:482 115:609 116:1129 117:660 118:542 119:975 120:161 121:723 122:1598 123:918 124:1249 125:1270 128:229 129:154 130:167 131:560 132:275 133:20 134:207 135:46 136:212 137:139 138:281 139:127 140:479 141:198 142:348 143:382 144:497 145:56 146:432 147:175 148:621 149:308 150:148 151:231 152:293 153:175 154:3 155:370 156:166 157:337 158:113 159:361 160:313 161:198 162:271 163:166 164:423 165:349 166:471 167:424 168:684 169:154 170:718 171:61 172:2 173:1042 174:498 175:241 176:1 177:1 178:543 180:683 181:1 182:244 183:227 184:131 186:739 187:536 188:854 189:812 190:4184 192:5800 193:4784 194:3494 195:2986 196:1194 198:3553 199:3631 200:5421 201:1579 202:8308 203:8301 204:4009 205:2323 206:2582 207:3028 208:3917 209:3482 210:2577 211:1303 212:1866 213:1779 214:681 215:66 216:4792 217:1576 218:528 219:402 220:1185 221:433 222:367 223:56
End of report
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