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Routing Table Report 00:00 GMT Tue 02 Sep, 2008
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: 274178 Prefixes after maximum aggregation: 130918 Deaggregation factor: 2.09 Unique aggregates announced to Internet: 129887 Total ASes present in the Internet Routing Table: 29124 Prefixes per ASN: 9.41 Origin-only ASes present in the Internet Routing Table: 25295 Origin ASes announcing only one prefix: 12263 Transit ASes present in the Internet Routing Table: 3829 Transit-only ASes present in the Internet Routing Table: 88 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 30 Max AS path prepend of ASN (13791) 17 Prefixes from unregistered ASNs in the Routing Table: 615 Unregistered ASNs in the Routing Table: 220 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 771 Number of addresses announced to Internet: 1897560822 Equivalent to 113 /8s, 26 /16s and 122 /24s Percentage of available address space announced: 51.2 Percentage of allocated address space announced: 62.2 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.3 Total number of prefixes smaller than registry allocations: 135764
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 64431 Total APNIC prefixes after maximum aggregation: 22645 APNIC Deaggregation factor: 2.85 Prefixes being announced from the APNIC address blocks: 61477 Unique aggregates announced from the APNIC address blocks: 25981 APNIC Region origin ASes present in the Internet Routing Table: 3358 APNIC Prefixes per ASN: 18.31 APNIC Region origin ASes announcing only one prefix: 903 APNIC Region transit ASes present in the Internet Routing Table: 530 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 375232416 Equivalent to 22 /8s, 93 /16s and 151 /24s Percentage of available APNIC address space announced: 79.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 APNIC Address Blocks 58/8, 59/8, 60/8, 61/8, 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, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 123698 Total ARIN prefixes after maximum aggregation: 66207 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 91634 Unique aggregates announced from the ARIN address blocks: 35072 ARIN Region origin ASes present in the Internet Routing Table: 12417 ARIN Prefixes per ASN: 7.38 ARIN Region origin ASes announcing only one prefix: 4774 ARIN Region transit ASes present in the Internet Routing Table: 1207 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 362491393 Equivalent to 21 /8s, 155 /16s and 46 /24s Percentage of available ARIN address space announced: 74.5
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 ARIN Address Blocks 24/8, 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, 173/8, 174/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 216/8,
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 58373 Total RIPE prefixes after maximum aggregation: 35066 RIPE Deaggregation factor: 1.66 Prefixes being announced from the RIPE address blocks: 53964 Unique aggregates announced from the RIPE address blocks: 35426 RIPE Region origin ASes present in the Internet Routing Table: 11807 RIPE Prefixes per ASN: 4.57 RIPE Region origin ASes announcing only one prefix: 6181 RIPE Region transit ASes present in the Internet Routing Table: 1815 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 370286400 Equivalent to 22 /8s, 18 /16s and 31 /24s Percentage of available RIPE address space announced: 84.9
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, 47104-48127 RIPE Address Blocks 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, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 23037 Total LACNIC prefixes after maximum aggregation: 5274 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 21280 Unique aggregates announced from the LACNIC address blocks: 10815 LACNIC Region origin ASes present in the Internet Routing Table: 990 LACNIC Prefixes per ASN: 21.49 LACNIC Region origin ASes announcing only one prefix: 320 LACNIC Region transit ASes present in the Internet Routing Table: 166 Average LACNIC Region AS path length visible: 5.8 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 54766862 Equivalent to 3 /8s, 67 /16s and 173 /24s Percentage of available LACNIC address space announced: 54.4
LACNIC AS Blocks 26592-26623, 27648-28671, 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: 4024 Total AfriNIC prefixes after maximum aggregation: 1252 AfriNIC Deaggregation factor: 3.21 Prefixes being announced from the AfriNIC address blocks: 4361 Unique aggregates announced from the AfriNIC address blocks: 1898 AfriNIC Region origin ASes present in the Internet Routing Table: 254 AfriNIC Prefixes per ASN: 17.17 AfriNIC Region origin ASes announcing only one prefix: 85 AfriNIC Region transit ASes present in the Internet Routing Table: 52 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC addresses announced to Internet: 12651776 Equivalent to 0 /8s, 193 /16s and 13 /24s Percentage of available AfriNIC address space announced: 37.7
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4538 3303 3214 44 China Education and Research 4755 1720 579 93 Videsh Sanchar Nigam Ltd. Aut 17488 1366 90 103 Hathway IP Over Cable Interne 9583 1113 89 493 Sify Limited 4134 851 13619 341 CHINANET-BACKBONE 4766 842 6407 358 Korea Telecom (KIX) 23577 823 33 728 Korea Telecom (ATM-MPLS) 4780 718 353 61 Digital United Inc. 18101 692 167 29 Reliance Infocom Ltd Internet 9498 676 291 53 BHARTI BT INTERNET LTD.
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 4287 3416 337 bellsouth.net, inc. 6298 2013 323 717 Cox Communicatons 1785 1648 710 154 AppliedTheory Corporation 2386 1555 691 898 AT&T Data Communications Serv 4323 1496 1071 373 Time Warner Telecom 20115 1469 1189 676 Charter Communications 3549 1455 539 212 Global Crossing 7018 1407 9872 978 AT&T WorldNet Services 1803 1276 8 1007 SPRINT 11492 1211 151 22 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 3292 418 1776 373 TDC Tele Danmark 3215 396 2756 106 France Telecom Transpac 8452 359 188 11 TEDATA 3301 334 1444 305 TeliaNet Sweden 3320 324 7047 272 Deutsche Telekom AG 8866 317 77 21 Bulgarian Telecommunication C 5462 307 666 27 Telewest Broadband 8551 288 270 38 Bezeq International 1257 279 1131 204 SWIPnet Swedish IP Network 680 275 2047 265 DFN-IP service G-WiN
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 7303 1704 236 64 Telecom Argentina Stet-France 8151 1592 2608 226 UniNet S.A. de C.V. 11830 664 299 9 Instituto Costarricense de El 22047 564 270 14 VTR PUNTO NET S.A. 16814 426 27 10 NSS, S.A. 6471 421 85 48 ENTEL CHILE S.A. 10620 417 102 66 TVCABLE BOGOTA 16735 413 92 11 Companhia de Telecomunicacoes 11172 407 118 71 Servicios Alestra S.A de C.V 14117 345 23 9 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 24863 519 65 36 LINKdotNET AS number 20858 402 34 3 EgyNet 3741 265 855 223 The Internet Solution 2018 232 214 137 Tertiary Education Network 6713 144 135 11 Itissalat Al-MAGHRIB 33783 136 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 117 539 69 Telkom SA Ltd 29571 107 13 8 Ci Telecom Autonomous system 33776 97 6 3 Starcomms Nigeria Limited
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 4287 3416 337 bellsouth.net, inc. 4538 3303 3214 44 China Education and Research 6298 2013 323 717 Cox Communicatons 4755 1720 579 93 Videsh Sanchar Nigam Ltd. Aut 7303 1704 236 64 Telecom Argentina Stet-France 1785 1648 710 154 AppliedTheory Corporation 8151 1592 2608 226 UniNet S.A. de C.V. 2386 1555 691 898 AT&T Data Communications Serv 4323 1496 1071 373 Time Warner Telecom 20115 1469 1189 676 Charter Communications
Complete listing at http://thyme.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4538 3303 3259 China Education and Research 7303 1704 1640 Telecom Argentina Stet-France 4755 1720 1627 Videsh Sanchar Nigam Ltd. Aut 1785 1648 1494 AppliedTheory Corporation 8151 1592 1366 UniNet S.A. de C.V. 6298 2013 1296 Cox Communicatons 17488 1366 1263 Hathway IP Over Cable Interne 3549 1455 1243 Global Crossing 11492 1211 1189 Cable One 4323 1496 1123 Time Warner Telecom
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 22492 UNALLOCATED 12.2.46.0/24 1239 Sprint 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.20.55.0/24 6517 Yipes Communications 13746 UNALLOCATED 12.24.56.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 7018 AT&T WorldNet Servic 13632 UNALLOCATED 12.31.25.0/24 6517 Yipes Communications 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T WorldNet Servic 26973 UNALLOCATED 12.39.154.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.29.246.47/32 286 KPNQwest Backbone AS 10.29.246.48/32 286 KPNQwest Backbone AS 10.29.246.49/32 286 KPNQwest Backbone AS 10.29.248.65/32 286 KPNQwest Backbone AS 10.29.248.71/32 286 KPNQwest Backbone AS 192.168.192.0/21 7497 Computer Network Information
Complete listing at http://thyme.apnic.net/rviews/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.75.160.0/19 7843 Adelphia Corp. 24.142.40.0/21 7018 AT&T WorldNet Services 24.142.160.0/19 7018 AT&T WorldNet Services 24.246.0.0/17 7018 AT&T WorldNet Services 24.246.128.0/18 7018 AT&T WorldNet Services 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 63.140.213.0/24 22555 Universal Talkware Corporatio 63.143.71.0/24 701 UUNET Technologies, Inc. 63.143.115.0/24 701 UUNET Technologies, Inc. 63.143.251.0/24 22555 Universal Talkware Corporatio
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 /8:18 /9:9 /10:17 /11:46 /12:147 /13:297 /14:535 /15:1072 /16:10145 /17:4418 /18:7673 /19:16077 /20:19106 /21:18572 /22:23938 /23:24764 /24:143470 /25:862 /26:1095 /27:370 /28:737 /29:374 /30:224 /31:0 /32:212
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2850 4287 bellsouth.net, inc. 6298 1986 2013 Cox Communicatons 4538 1761 3303 China Education and Research 1803 1254 1276 SPRINT 2386 1233 1555 AT&T Data Communications Serv 7303 1208 1704 Telecom Argentina Stet-France 11492 1192 1211 Cable One 17488 1174 1366 Hathway IP Over Cable Interne 1785 1119 1648 AppliedTheory Corporation 3549 1090 1455 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:135 12:2153 13:2 14:1 15:22 16:3 17:5 18:13 20:37 24:1081 32:197 38:491 40:92 41:685 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:557 59:589 60:452 61:972 62:1289 63:1974 64:3417 65:2356 66:3477 67:1224 68:779 69:2297 70:871 71:131 72:2022 73:6 74:1126 75:171 76:325 77:784 78:759 79:244 80:965 81:867 82:586 83:379 84:578 85:978 86:397 87:727 88:340 89:1329 90:43 91:1416 92:255 93:859 94:116 96:63 97:65 98:320 99:6 114:92 115:32 116:1030 117:343 118:210 119:481 120:84 121:606 122:830 123:405 124:838 125:1233 128:354 129:205 130:134 131:413 132:70 133:9 134:188 135:34 136:222 137:93 138:141 139:101 140:506 141:103 142:407 143:314 144:409 145:51 146:384 147:157 148:514 149:292 150:127 151:180 152:146 153:143 154:10 155:281 156:174 157:297 158:163 159:298 160:274 161:136 162:257 163:158 164:516 165:499 166:381 167:444 168:627 169:144 170:454 171:33 172:10 173:33 188:1 189:594 190:2348 192:5804 193:4258 194:3348 195:2656 196:1023 198:3734 199:3303 200:5958 201:1678 202:8200 203:8100 204:3931 205:2163 206:2430 207:2755 208:3648 209:3406 210:2984 211:1252 212:1431 213:1639 214:183 215:50 216:4345 217:1211 218:404 219:521 220:1062 221:428 222:445
End of report
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