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Routing Table Report 00:00 GMT Thu 25 Nov, 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: 342624 Prefixes after maximum aggregation: 153549 Deaggregation factor: 2.23 Unique aggregates announced to Internet: 164912 Total ASes present in the Internet Routing Table: 35345 Prefixes per ASN: 9.69 Origin-only ASes present in the Internet Routing Table: 30482 Origin ASes announcing only one prefix: 14856 Transit ASes present in the Internet Routing Table: 4863 Transit-only ASes present in the Internet Routing Table: 114 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 25 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 606 Unregistered ASNs in the Routing Table: 259 Number of 32-bit ASNs allocated by the RIRs: 911 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 69 Prefixes being announced from unallocated address space: 194 Number of addresses announced to Internet: 2307834682 Equivalent to 137 /8s, 142 /16s and 195 /24s Percentage of available address space announced: 62.3 Percentage of allocated address space announced: 65.5 Percentage of available address space allocated: 95.0 Percentage of address space in use by end-sites: 86.1 Total number of prefixes smaller than registry allocations: 141084
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 81762 Total APNIC prefixes after maximum aggregation: 27362 APNIC Deaggregation factor: 2.99 Prefixes being announced from the APNIC address blocks: 78798 Unique aggregates announced from the APNIC address blocks: 34269 APNIC Region origin ASes present in the Internet Routing Table: 4234 APNIC Prefixes per ASN: 18.61 APNIC Region origin ASes announcing only one prefix: 1210 APNIC Region transit ASes present in the Internet Routing Table: 676 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 568355778 Equivalent to 33 /8s, 224 /16s and 107 /24s Percentage of available APNIC address space announced: 77.0
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: 139513 Total ARIN prefixes after maximum aggregation: 71809 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 110289 Unique aggregates announced from the ARIN address blocks: 43747 ARIN Region origin ASes present in the Internet Routing Table: 14043 ARIN Prefixes per ASN: 7.85 ARIN Region origin ASes announcing only one prefix: 5358 ARIN Region transit ASes present in the Internet Routing Table: 1459 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 741280777 Equivalent to 44 /8s, 47 /16s and 12 /24s Percentage of available ARIN address space announced: 64.0
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, 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: 81704 Total RIPE prefixes after maximum aggregation: 45294 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 74545 Unique aggregates announced from the RIPE address blocks: 46544 RIPE Region origin ASes present in the Internet Routing Table: 15073 RIPE Prefixes per ASN: 4.95 RIPE Region origin ASes announcing only one prefix: 7711 RIPE Region transit ASes present in the Internet Routing Table: 2316 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 445903829 Equivalent to 26 /8s, 147 /16s and 243 /24s Percentage of available RIPE address space announced: 78.2
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: 31714 Total LACNIC prefixes after maximum aggregation: 7071 LACNIC Deaggregation factor: 4.49 Prefixes being announced from the LACNIC address blocks: 30404 Unique aggregates announced from the LACNIC address blocks: 15256 LACNIC Region origin ASes present in the Internet Routing Table: 1398 LACNIC Prefixes per ASN: 21.75 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 250 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 78064136 Equivalent to 4 /8s, 167 /16s and 42 /24s Percentage of available LACNIC address space announced: 58.2
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: 7666 Total AfriNIC prefixes after maximum aggregation: 1893 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 5938 Unique aggregates announced from the AfriNIC address blocks: 1761 AfriNIC Region origin ASes present in the Internet Routing Table: 419 AfriNIC Prefixes per ASN: 14.17 AfriNIC Region origin ASes announcing only one prefix: 136 AfriNIC Region transit ASes present in the Internet Routing Table: 93 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 21415680 Equivalent to 1 /8s, 70 /16s and 199 /24s Percentage of available AfriNIC address space announced: 42.5
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 105/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 1724 9470 518 Korea Telecom (KIX) 7545 1435 298 77 TPG Internet Pty Ltd 4755 1389 383 156 Videsh Sanchar Nigam Ltd. Aut 17488 1365 157 115 Hathway IP Over Cable Interne 17974 1313 427 28 PT TELEKOMUNIKASI INDONESIA 24560 1030 309 166 Bharti Airtel Ltd. 9583 1027 75 487 Sify Limited 18101 907 116 141 Reliance Infocom Ltd Internet 4808 900 1640 249 CNCGROUP IP network: China169 9829 836 696 31 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 3742 3890 273 bellsouth.net, inc. 4323 2653 1104 403 Time Warner Telecom 19262 1839 4852 283 Verizon Global Networks 1785 1805 697 132 AppliedTheory Corporation 20115 1556 1535 639 Charter Communications 6478 1410 285 82 AT&T Worldnet Services 7018 1408 5699 904 AT&T WorldNet Services 2386 1311 572 929 AT&T Data Communications Serv 11492 1260 233 62 Cable One 22773 1254 2863 71 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 286 876 711 143 KPNQwest Backbone AS 3292 543 2010 387 TDC Tele Danmark 9116 541 328 33 Goldenlines main autonomous s 8866 439 134 24 Bulgarian Telecommunication C 9198 416 202 13 Kazakhtelecom Corporate Sales 8551 402 355 38 Bezeq International 702 397 1865 311 UUNET - Commercial IP service 34984 392 90 190 Tellcom Iletisim Hizmetleri 3301 382 1696 336 TeliaNet Sweden 12479 382 576 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 6503 2037 354 73 AVANTEL, S.A. 8151 1350 2607 366 Uninet S.A. de C.V. 10620 1335 249 158 TVCABLE BOGOTA 28573 1175 929 82 Types of queries are: POCs, o 7303 827 440 105 Telecom Argentina Stet-France 14420 571 48 77 Types of queries are: POCs, o 22047 564 310 15 Types of queries are: POCs, o 3816 489 214 96 COLOMBIA TELECOMUNICACIONES S 7738 478 922 30 Telecomunicacoes da Bahia S.A 14117 450 32 29 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 1107 445 10 TEDATA 24863 742 147 40 LINKdotNET AS number 36992 653 278 161 Etisalat MISR 3741 264 923 226 The Internet Solution 6713 203 199 12 Itissalat Al-MAGHRIB 29571 198 19 11 Ci Telecom Autonomous system 24835 197 78 10 RAYA Telecom - Egypt 2018 196 277 64 TENET-1 33776 195 12 14 Starcomms Nigeria Limited 16637 156 440 89 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 3742 3890 273 bellsouth.net, inc. 4323 2653 1104 403 Time Warner Telecom 6503 2037 354 73 AVANTEL, S.A. 19262 1839 4852 283 Verizon Global Networks 1785 1805 697 132 AppliedTheory Corporation 4766 1724 9470 518 Korea Telecom (KIX) 20115 1556 1535 639 Charter Communications 7545 1435 298 77 TPG Internet Pty Ltd 6478 1410 285 82 AT&T Worldnet Services 7018 1408 5699 904 AT&T WorldNet Services
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 2653 2250 Time Warner Telecom 6503 2037 1964 AVANTEL, S.A. 1785 1805 1673 AppliedTheory Corporation 19262 1839 1556 Verizon Global Networks 7545 1435 1358 TPG Internet Pty Ltd 6478 1410 1328 AT&T Worldnet Services 17974 1313 1285 PT TELEKOMUNIKASI INDONESIA 17488 1365 1250 Hathway IP Over Cable Interne 4755 1389 1233 Videsh Sanchar Nigam Ltd. Aut 4766 1724 1206 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 46164 UNALLOCATED 4.23.88.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.89.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.92.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.23.94.0/23 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.0.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.38.8.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.50.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.43.51.0/24 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.96.0/21 7018 AT&T WorldNet Servic 46164 UNALLOCATED 4.67.104.0/21 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 10.29.245.2/32 286 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
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 36.126.8.255/8 77 Johns Hopkins University Appl 41.222.79.0/24 36938 Amsco Telecommunications Nige 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 64.21.212.0/22 11610 Internet Nebraska 64.21.216.0/21 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 /8:21 /9:10 /10:25 /11:70 /12:209 /13:425 /14:752 /15:1357 /16:11433 /17:5717 /18:9494 /19:19020 /20:24443 /21:24465 /22:32101 /23:31104 /24:179013 /25:382 /26:398 /27:214 /28:383 /29:302 /30:653 /31:14 /32:619
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2310 3742 bellsouth.net, inc. 6503 1772 2037 AVANTEL, S.A. 4323 1431 2653 Time Warner Telecom 6478 1368 1410 AT&T Worldnet Services 10620 1227 1335 TVCABLE BOGOTA 11492 1217 1260 Cable One 1785 1077 1805 AppliedTheory Corporation 18566 1073 1092 Covad Communications 7011 1060 1161 Citizens Utilities 8452 976 1107 TEDATA
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:100 2:39 4:17 8:319 12:2027 13:6 14:60 15:17 16:3 17:8 20:9 24:1438 27:439 31:1 32:146 33:8 34:2 36:1 38:718 40:101 41:2629 42:1 44:3 46:285 47:10 49:20 50:12 52:12 55:5 56:2 57:41 58:854 59:502 60:499 61:1140 62:1031 63:1952 64:3743 65:2332 66:4117 67:1824 68:1148 69:2909 70:757 71:384 72:1966 73:2 74:2333 75:296 76:328 77:882 78:688 79:446 80:1053 81:796 82:525 83:450 84:694 85:1044 86:489 87:731 88:392 89:1598 90:120 91:3234 92:451 93:1022 94:1144 95:725 96:404 97:241 98:693 99:33 101:3 107:2 108:69 109:795 110:424 111:660 112:307 113:322 114:474 115:628 116:1123 117:660 118:574 119:1008 120:159 121:708 122:1576 123:967 124:1237 125:1272 128:229 129:153 130:172 131:557 132:234 133:20 134:210 135:46 136:210 137:146 138:288 139:127 140:476 141:195 142:350 143:511 144:484 145:53 146:430 147:182 148:672 149:322 150:150 151:231 152:294 153:175 154:3 155:364 156:167 157:342 158:122 159:367 160:311 161:199 162:276 163:165 164:435 165:351 166:466 167:429 168:711 169:155 170:720 171:67 172:2 173:1122 174:450 175:253 176:1 178:633 180:707 182:522 183:242 184:201 186:848 187:897 188:854 189:1589 190:4228 192:5818 193:4835 194:3520 195:3019 196:1213 197:1 198:3541 199:3665 200:5514 201:1643 202:8388 203:8319 204:4054 205:2355 206:2581 207:2989 208:3888 209:3464 210:2552 211:1316 212:1872 213:1771 214:681 215:62 216:4765 217:1617 218:566 219:401 220:1226 221:424 222:341 223:77
End of report
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