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Routing Table Report 00:00 GMT Sun 24 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: 337579 Prefixes after maximum aggregation: 152503 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 164634 Total ASes present in the Internet Routing Table: 35085 Prefixes per ASN: 9.62 Origin-only ASes present in the Internet Routing Table: 30270 Origin ASes announcing only one prefix: 14731 Transit ASes present in the Internet Routing Table: 4815 Transit-only ASes present in the Internet Routing Table: 114 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 413 Unregistered ASNs in the Routing Table: 173 Number of 32-bit ASNs allocated by the RIRs: 833 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: 198 Number of addresses announced to Internet: 2290439992 Equivalent to 136 /8s, 133 /16s and 87 /24s Percentage of available address space announced: 61.8 Percentage of allocated address space announced: 65.3 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.6 Total number of prefixes smaller than registry allocations: 138561
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 80707 Total APNIC prefixes after maximum aggregation: 27208 APNIC Deaggregation factor: 2.97 Prefixes being announced from the APNIC address blocks: 77760 Unique aggregates announced from the APNIC address blocks: 34605 APNIC Region origin ASes present in the Internet Routing Table: 4200 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 1184 APNIC Region transit ASes present in the Internet Routing Table: 652 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 560386754 Equivalent to 33 /8s, 102 /16s and 210 /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: 138554 Total ARIN prefixes after maximum aggregation: 71262 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 109676 Unique aggregates announced from the ARIN address blocks: 43460 ARIN Region origin ASes present in the Internet Routing Table: 13973 ARIN Prefixes per ASN: 7.85 ARIN Region origin ASes announcing only one prefix: 5343 ARIN Region transit ASes present in the Internet Routing Table: 1411 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 737964289 Equivalent to 43 /8s, 252 /16s and 113 /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: 80420 Total RIPE prefixes after maximum aggregation: 44904 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 73140 Unique aggregates announced from the RIPE address blocks: 46189 RIPE Region origin ASes present in the Internet Routing Table: 14955 RIPE Prefixes per ASN: 4.89 RIPE Region origin ASes announcing only one prefix: 7654 RIPE Region transit ASes present in the Internet Routing Table: 2359 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 442473055 Equivalent to 26 /8s, 95 /16s and 154 /24s Percentage of available RIPE address space announced: 77.6
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: 30335 Total LACNIC prefixes after maximum aggregation: 7187 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 29015 Unique aggregates announced from the LACNIC address blocks: 15414 LACNIC Region origin ASes present in the Internet Routing Table: 1369 LACNIC Prefixes per ASN: 21.19 LACNIC Region origin ASes announcing only one prefix: 426 LACNIC Region transit ASes present in the Internet Routing Table: 239 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 76470152 Equivalent to 4 /8s, 142 /16s and 215 /24s Percentage of available LACNIC address space announced: 57.0
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: 7309 Total AfriNIC prefixes after maximum aggregation: 1822 AfriNIC Deaggregation factor: 4.01 Prefixes being announced from the AfriNIC address blocks: 5809 Unique aggregates announced from the AfriNIC address blocks: 1719 AfriNIC Region origin ASes present in the Internet Routing Table: 409 AfriNIC Prefixes per ASN: 14.20 AfriNIC Region origin ASes announcing only one prefix: 124 AfriNIC Region transit ASes present in the Internet Routing Table: 90 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 20915968 Equivalent to 1 /8s, 63 /16s and 39 /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 1373 378 157 Videsh Sanchar Nigam Ltd. Aut 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1266 303 80 PT TELEKOMUNIKASI INDONESIA 24560 1053 309 173 Bharti Airtel Ltd. 9583 1035 77 497 Sify Limited 4808 946 1680 264 CNCGROUP IP network: China169 18101 893 116 134 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 3765 3667 279 bellsouth.net, inc. 4323 2615 1103 392 Time Warner Telecom 1785 1797 698 130 AppliedTheory Corporation 19262 1778 4833 280 Verizon Global Networks 20115 1550 1530 646 Charter Communications 7018 1438 9796 922 AT&T WorldNet Services 6478 1388 279 95 AT&T Worldnet Services 2386 1312 556 927 AT&T Data Communications Serv 11492 1237 231 74 Cable One 22773 1208 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 536 328 34 Goldenlines main autonomous s 3292 492 2025 388 TDC Tele Danmark 8866 421 133 25 Bulgarian Telecommunication C 8551 404 355 38 Bezeq International 702 403 1868 317 UUNET - Commercial IP service 34984 381 91 188 Tellcom Iletisim Hizmetleri 3301 378 1688 335 TeliaNet Sweden 3320 376 7332 329 Deutsche Telekom AG 30890 376 80 205 Evolva Telecom
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 10620 1329 247 150 TVCABLE BOGOTA 8151 1328 2597 366 Uninet S.A. de C.V. 28573 1220 920 84 Types of queries are: POCs, o 7303 832 441 108 Telecom Argentina Stet-France 6503 788 223 258 AVANTEL, S.A. 22047 564 310 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 1056 445 10 TEDATA 24863 744 147 40 LINKdotNET AS number 36992 643 278 160 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 33776 196 12 14 Starcomms Nigeria Limited 16637 159 441 94 Johnnic e-Ventures 36874 134 24 4 Cybersmart
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 3765 3667 279 bellsouth.net, inc. 4323 2615 1103 392 Time Warner Telecom 1785 1797 698 130 AppliedTheory Corporation 19262 1778 4833 280 Verizon Global Networks 4766 1729 9453 510 Korea Telecom (KIX) 20115 1550 1530 646 Charter Communications 7018 1438 9796 922 AT&T WorldNet Services 7545 1417 299 78 TPG Internet Pty Ltd 6478 1388 279 95 AT&T Worldnet Services 4755 1373 378 157 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 2615 2223 Time Warner Telecom 1785 1797 1667 AppliedTheory Corporation 19262 1778 1498 Verizon Global Networks 7545 1417 1339 TPG Internet Pty Ltd 6478 1388 1293 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4766 1729 1219 Korea Telecom (KIX) 4755 1373 1216 Videsh Sanchar Nigam Ltd. Aut 17974 1266 1186 PT TELEKOMUNIKASI INDONESIA 10620 1329 1179 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 2.144.0.0/14 44244 Iran Cell Service and Communi 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<< 46.17.240.0/21 43586 INTERLINK 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.21.192.0/20 11610 Internet Nebraska
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 /14:746 /15:1346 /16:11373 /17:5596 /18:9437 /19:18888 /20:24220 /21:24105 /22:31657 /23:30954 /24:175416 /25:378 /26:431 /27:209 /28:377 /29:287 /30:642 /31:15 /32:752
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2329 3765 bellsouth.net, inc. 4323 1405 2615 Time Warner Telecom 6478 1350 1388 AT&T Worldnet Services 10620 1220 1329 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1077 1797 AppliedTheory Corporation 18566 1069 1088 Covad Communications 7011 1058 1159 Citizens Utilities 8452 963 1056 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) ----------------------------------------------
1:87 2:13 4:17 8:316 12:2015 13:8 14:45 15:20 16:3 17:9 20:9 24:1406 27:382 31:1 32:146 33:12 38:696 40:97 41:2556 44:3 46:163 47:10 49:4 50:1 52:12 55:5 56:2 57:40 58:837 59:501 60:480 61:1114 62:1029 63:1968 64:3758 65:2346 66:4086 67:1849 68:1149 69:2867 70:757 71:378 72:1983 73:2 74:2345 75:296 76:327 77:877 78:690 79:456 80:1056 81:814 82:524 83:463 84:706 85:1048 86:436 87:727 88:336 89:1588 90:110 91:3142 92:437 93:1019 94:1128 95:703 96:395 97:222 98:636 99:33 101:3 108:64 109:728 110:434 111:612 112:305 113:306 114:482 115:606 116:1132 117:664 118:540 119:970 120:161 121:721 122:1602 123:916 124:1246 125:1271 128:229 129:154 130:167 131:566 132:275 133:20 134:209 135:46 136:212 137:139 138:281 139:127 140:478 141:191 142:349 143:383 144:495 145:56 146:432 147:175 148:620 149:304 150:144 151:231 152:292 153:175 154:3 155:344 156:165 157:337 158:112 159:361 160:312 161:198 162:272 163:165 164:424 165:349 166:471 167:425 168:684 169:154 170:718 171:61 172:2 173:1046 174:498 175:242 176:1 177:1 178:538 180:677 181:1 182:244 183:236 184:131 186:739 187:544 188:857 189:806 190:4194 192:5782 193:4782 194:3494 195:2981 196:1121 198:3541 199:3631 200:5426 201:1587 202:8312 203:8311 204:4009 205:2318 206:2581 207:3032 208:3918 209:3473 210:2572 211:1304 212:1868 213:1778 214:683 215:66 216:4793 217:1565 218:527 219:402 220:1185 221:432 222:367 223:54
End of report
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