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Routing Table Report 00:00 GMT Wed 10 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: 297441 Prefixes after maximum aggregation: 131106 Deaggregation factor: 2.27 Unique aggregates announced to Internet: 130306 Total ASes present in the Internet Routing Table: 29228 Prefixes per ASN: 10.18 Origin-only ASes present in the Internet Routing Table: 25295 Origin ASes announcing only one prefix: 12255 Transit ASes present in the Internet Routing Table: 3933 Transit-only ASes present in the Internet Routing Table: 94 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 26 Max AS path prepend of ASN (12026) 22 Prefixes from unregistered ASNs in the Routing Table: 613 Unregistered ASNs in the Routing Table: 237 Number of 32-bit ASNs allocated by the RIRs: 59 Prefixes from 32-bit ASNs in the Routing Table: 8 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 788 Number of addresses announced to Internet: 1916990518 Equivalent to 114 /8s, 66 /16s and 244 /24s Percentage of available address space announced: 51.7 Percentage of allocated address space announced: 62.8 Percentage of available address space allocated: 82.3 Percentage of address space in use by end-sites: 73.5 Total number of prefixes smaller than registry allocations: 137527
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 68061 Total APNIC prefixes after maximum aggregation: 22739 APNIC Deaggregation factor: 2.99 Prefixes being announced from the APNIC address blocks: 65066 Unique aggregates announced from the APNIC address blocks: 26075 APNIC Region origin ASes present in the Internet Routing Table: 3378 APNIC Prefixes per ASN: 19.26 APNIC Region origin ASes announcing only one prefix: 917 APNIC Region transit ASes present in the Internet Routing Table: 540 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 375588000 Equivalent to 22 /8s, 99 /16s and 4 /24s Percentage of available APNIC address space announced: 80.0
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: 133099 Total ARIN prefixes after maximum aggregation: 66133 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 100078 Unique aggregates announced from the ARIN address blocks: 35169 ARIN Region origin ASes present in the Internet Routing Table: 12446 ARIN Prefixes per ASN: 8.04 ARIN Region origin ASes announcing only one prefix: 4755 ARIN Region transit ASes present in the Internet Routing Table: 1260 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 25 Number of ARIN addresses announced to Internet: 362775681 Equivalent to 21 /8s, 159 /16s and 132 /24s Percentage of available ARIN address space announced: 74.6
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: 66943 Total RIPE prefixes after maximum aggregation: 35162 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 62398 Unique aggregates announced from the RIPE address blocks: 35576 RIPE Region origin ASes present in the Internet Routing Table: 11852 RIPE Prefixes per ASN: 5.26 RIPE Region origin ASes announcing only one prefix: 6186 RIPE Region transit ASes present in the Internet Routing Table: 1839 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 26 Number of RIPE addresses announced to Internet: 371524608 Equivalent to 22 /8s, 37 /16s and 4 /24s Percentage of available RIPE address space announced: 85.2
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, 47104-48127 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: 24643 Total LACNIC prefixes after maximum aggregation: 5330 LACNIC Deaggregation factor: 4.62 Prefixes being announced from the LACNIC address blocks: 22858 Unique aggregates announced from the LACNIC address blocks: 10880 LACNIC Region origin ASes present in the Internet Routing Table: 994 LACNIC Prefixes per ASN: 23.00 LACNIC Region origin ASes announcing only one prefix: 314 LACNIC Region transit ASes present in the Internet Routing Table: 172 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 26 Number of LACNIC addresses announced to Internet: 55146254 Equivalent to 3 /8s, 73 /16s and 119 /24s Percentage of available LACNIC address space announced: 54.8
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: 4083 Total AfriNIC prefixes after maximum aggregation: 1265 AfriNIC Deaggregation factor: 3.23 Prefixes being announced from the AfriNIC address blocks: 4424 Unique aggregates announced from the AfriNIC address blocks: 2026 AfriNIC Region origin ASes present in the Internet Routing Table: 255 AfriNIC Prefixes per ASN: 17.35 AfriNIC Region origin ASes announcing only one prefix: 83 AfriNIC Region transit ASes present in the Internet Routing Table: 52 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC addresses announced to Internet: 12680960 Equivalent to 0 /8s, 193 /16s and 127 /24s Percentage of available AfriNIC address space announced: 37.8
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 3359 3214 44 China Education and Research 4134 2518 13651 345 CHINANET-BACKBONE 4755 1732 578 92 Videsh Sanchar Nigam Ltd. Aut 17488 1377 93 100 Hathway IP Over Cable Interne 4837 1291 6712 228 chinanet IDC center beijing n 9583 1144 89 493 Sify Limited 4766 843 6407 358 Korea Telecom (KIX) 23577 824 33 729 Korea Telecom (ATM-MPLS) 4808 771 1141 135 CNCGROUP IP network: China169 18101 760 152 56 Reliance Infocom Ltd Internet
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 4468 3384 334 bellsouth.net, inc. 7132 2755 9279 332 SBC Internet Services 6298 1970 314 759 Cox Communicatons 1785 1653 710 156 AppliedTheory Corporation 20115 1639 1303 712 Charter Communications 7018 1616 5758 957 AT&T WorldNet Services 19262 1593 3537 165 Verizon Global Networks 2386 1558 677 909 AT&T Data Communications Serv 3549 1539 540 215 Global Crossing 4323 1512 1071 374 Time Warner Telecom
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 3320 1293 7063 273 Deutsche Telekom AG 3215 1194 2756 106 France Telecom Transpac 3352 712 2044 43 Ibernet, Internet Access Netw 3269 666 3389 73 TELECOM ITALIA 3292 606 1777 377 TDC Tele Danmark 9121 526 1445 27 TTnet Autonomous System 5617 451 967 20 TPNET 3301 431 1444 304 TeliaNet Sweden 5462 428 794 27 Telewest Broadband 8708 385 422 252 Romania Data Systems S.A.
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 1726 238 71 Telecom Argentina Stet-France 8151 1710 2608 229 UniNet S.A. de C.V. 11830 665 299 9 Instituto Costarricense de El 22047 594 270 14 VTR PUNTO NET S.A. 28573 463 442 29 NET Servicos de Comunicao S.A 7738 437 666 26 Telecomunicacoes da Bahia S.A 6471 426 85 48 ENTEL CHILE S.A. 16814 426 27 10 NSS, S.A. 10620 423 104 63 TVCABLE BOGOTA 16735 414 92 11 Companhia de Telecomunicacoes
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 513 65 34 LINKdotNET AS number 20858 405 34 3 EgyNet 3741 263 855 222 The Internet Solution 2018 232 214 138 Tertiary Education Network 6713 145 135 11 Itissalat Al-MAGHRIB 33783 137 10 13 EEPAD TISP TELECOM & INTERNET 5536 120 8 17 Internet Egypt Network 5713 118 555 68 Telkom SA Ltd 33776 116 6 3 Starcomms Nigeria Limited 29571 107 13 8 Ci Telecom Autonomous system
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 4468 3384 334 bellsouth.net, inc. 4538 3359 3214 44 China Education and Research 7132 2755 9279 332 SBC Internet Services 4134 2518 13651 345 CHINANET-BACKBONE 6298 1970 314 759 Cox Communicatons 4755 1732 578 92 Videsh Sanchar Nigam Ltd. Aut 7303 1726 238 71 Telecom Argentina Stet-France 8151 1710 2608 229 UniNet S.A. de C.V. 1785 1653 710 156 AppliedTheory Corporation 20115 1639 1303 712 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 3359 3315 China Education and Research 7132 2755 2423 SBC Internet Services 4134 2518 2173 CHINANET-BACKBONE 7303 1726 1655 Telecom Argentina Stet-France 4755 1732 1640 Videsh Sanchar Nigam Ltd. Aut 1785 1653 1497 AppliedTheory Corporation 8151 1710 1481 UniNet S.A. de C.V. 19262 1593 1428 Verizon Global Networks 3549 1539 1324 Global Crossing 17488 1377 1277 Hathway IP Over Cable Interne
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 1239 Sprint 26973 UNALLOCATED 12.39.154.0/23 1239 Sprint
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 24.75.116.0/22 10796 ServiceCo LLC - Road Runner 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 24.227.7.0/24 13499 Global Securities Information 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.
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 /8:19 /9:9 /10:17 /11:46 /12:147 /13:298 /14:534 /15:1074 /16:10149 /17:4423 /18:7703 /19:38501 /20:19205 /21:18682 /22:23995 /23:24906 /24:143967 /25:798 /26:1022 /27:371 /28:758 /29:382 /30:224 /31:0 /32:211
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2849 4468 bellsouth.net, inc. 6298 1945 1970 Cox Communicatons 4538 1767 3359 China Education and Research 1803 1279 1302 SPRINT 2386 1235 1558 AT&T Data Communications Serv 7303 1226 1726 Telecom Argentina Stet-France 11492 1192 1213 Cable One 17488 1184 1377 Hathway IP Over Cable Interne 1785 1122 1653 AppliedTheory Corporation 3549 1098 1539 Global Crossing
Complete listing at http://thyme.apnic.net/rviews/data/sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:8 8:140 12:2163 13:2 14:1 15:21 16:3 17:5 18:13 20:37 24:1091 32:197 38:494 40:92 41:701 43:1 44:2 47:12 52:3 55:3 56:3 57:47 58:558 59:590 60:453 61:978 62:1299 63:1976 64:3380 65:2361 66:3469 67:1231 68:775 69:2306 70:843 71:170 72:2032 73:6 74:1147 75:171 76:279 77:794 78:819 79:320 80:947 81:838 82:588 83:372 84:578 85:973 86:400 87:727 88:338 89:1356 90:26 91:1482 92:260 93:863 94:134 96:65 97:73 98:324 99:8 114:97 115:46 116:1032 117:370 118:238 119:489 120:85 121:605 122:847 123:455 124:856 125:1245 128:350 129:202 130:134 131:411 132:70 133:9 134:178 135:34 136:223 137:92 138:141 139:101 140:507 141:102 142:407 143:318 144:362 145:51 146:381 147:157 148:516 149:295 150:128 151:181 152:149 153:143 154:10 155:282 156:175 157:298 158:162 159:301 160:274 161:138 162:257 163:155 164:516 165:502 166:383 167:331 168:625 169:143 170:459 171:33 172:10 173:33 188:1 189:668 190:2395 192:5802 193:4256 194:3359 195:2654 196:995 198:3739 199:3316 200:5966 201:1677 202:8221 203:8092 204:3955 205:2140 206:2427 207:2754 208:3697 209:3418 210:2989 211:1258 212:1437 213:1655 214:179 215:50 216:4341 217:1219 218:404 219:526 220:1065 221:425 222:445
End of report
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