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Routing Table Report 04:00 +10GMT Mon 25 Oct, 2010
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 334365 Prefixes after maximum aggregation: 152764 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 164612 Total ASes present in the Internet Routing Table: 35097 Prefixes per ASN: 9.53 Origin-only ASes present in the Internet Routing Table: 30276 Origin ASes announcing only one prefix: 14792 Transit ASes present in the Internet Routing Table: 4821 Transit-only ASes present in the Internet Routing Table: 118 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 31 Max AS path prepend of ASN (36992) 29 Prefixes from unregistered ASNs in the Routing Table: 347 Unregistered ASNs in the Routing Table: 159 Number of 32-bit ASNs allocated by the RIRs: 840 Prefixes from 32-bit ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 195 Number of addresses announced to Internet: 2324674784 Equivalent to 138 /8s, 143 /16s and 184 /24s Percentage of available address space announced: 62.7 Percentage of allocated address space announced: 66.3 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: 137350
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 81948 Total APNIC prefixes after maximum aggregation: 27976 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 78856 Unique aggregates announced from the APNIC address blocks: 34570 APNIC Region origin ASes present in the Internet Routing Table: 4219 APNIC Prefixes per ASN: 18.69 APNIC Region origin ASes announcing only one prefix: 1173 APNIC Region transit ASes present in the Internet Routing Table: 672 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 560411936 Equivalent to 33 /8s, 103 /16s and 53 /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: 137411 Total ARIN prefixes after maximum aggregation: 71035 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 108862 Unique aggregates announced from the ARIN address blocks: 43529 ARIN Region origin ASes present in the Internet Routing Table: 13996 ARIN Prefixes per ASN: 7.78 ARIN Region origin ASes announcing only one prefix: 5374 ARIN Region transit ASes present in the Internet Routing Table: 1478 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 737908224 Equivalent to 43 /8s, 251 /16s and 150 /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: 76952 Total RIPE prefixes after maximum aggregation: 44599 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 70380 Unique aggregates announced from the RIPE address blocks: 46176 RIPE Region origin ASes present in the Internet Routing Table: 14919 RIPE Prefixes per ASN: 4.72 RIPE Region origin ASes announcing only one prefix: 7693 RIPE Region transit ASes present in the Internet Routing Table: 2297 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 442603392 Equivalent to 26 /8s, 97 /16s and 151 /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: 30306 Total LACNIC prefixes after maximum aggregation: 7169 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 28992 Unique aggregates announced from the LACNIC address blocks: 15402 LACNIC Region origin ASes present in the Internet Routing Table: 1371 LACNIC Prefixes per ASN: 21.15 LACNIC Region origin ASes announcing only one prefix: 429 LACNIC Region transit ASes present in the Internet Routing Table: 240 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76457152 Equivalent to 4 /8s, 142 /16s and 164 /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: 7518 Total AfriNIC prefixes after maximum aggregation: 1865 AfriNIC Deaggregation factor: 4.03 Prefixes being announced from the AfriNIC address blocks: 5824 Unique aggregates announced from the AfriNIC address blocks: 1729 AfriNIC Region origin ASes present in the Internet Routing Table: 409 AfriNIC Prefixes per ASN: 14.24 AfriNIC Region origin ASes announcing only one prefix: 123 AfriNIC Region transit ASes present in the Internet Routing Table: 89 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC addresses announced to Internet: 20923904 Equivalent to 1 /8s, 63 /16s and 70 /24s Percentage of available AfriNIC address space announced: 62.4
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 1875 9453 513 Korea Telecom (KIX) 7545 1417 299 78 TPG Internet Pty Ltd 4755 1373 382 158 TATA Communications formerly 17488 1363 154 121 Hathway IP Over Cable Interne 17974 1266 303 79 PT TELEKOMUNIKASI INDONESIA 24560 1053 309 173 Bharti Airtel Ltd., Telemedia 9583 1036 77 498 Sify Limited 4808 976 1721 265 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/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3765 3667 278 bellsouth.net, inc. 4323 2617 1103 393 Time Warner Telecom 1785 1794 698 130 PaeTec Communications, Inc. 19262 1777 4833 279 Verizon Global Networks 20115 1506 1528 647 Charter Communications 7018 1437 5692 919 AT&T WorldNet Services 6478 1387 278 99 AT&T Worldnet Services 2386 1313 556 928 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/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3292 444 2027 389 TDC Tele Danmark 8866 420 133 25 Bulgarian Telecommunication C 8551 402 353 46 Bezeq International 702 397 1866 311 UUNET - Commercial IP service 34984 381 91 188 BILISIM TELEKOM 3301 379 1688 335 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 30890 376 80 205 Evolva Telecom 12479 365 576 5 Uni2 Autonomous System 31148 359 19 79 FreeNet ISP
Complete listing at http://thyme.rand.apnic.net/current/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 1324 2597 364 UniNet S.A. de C.V. 28573 1220 920 84 NET Servicos de Comunicao S.A 7303 832 441 108 Telecom Argentina Stet-France 6503 787 223 258 AVANTEL, S.A. 22047 564 310 15 VTR PUNTO NET S.A. 14420 545 39 76 CORPORACION NACIONAL DE TELEC 3816 485 210 96 Empresa Nacional de Telecomun 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/current/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 39 LINKdotNET AS number 36992 642 278 159 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 Tertiary Education Network 33776 196 12 14 Starcomms Nigeria Limited 16637 154 440 91 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3765 3667 278 bellsouth.net, inc. 4323 2617 1103 393 Time Warner Telecom 4766 1875 9453 513 Korea Telecom (KIX) 1785 1794 698 130 PaeTec Communications, Inc. 19262 1777 4833 279 Verizon Global Networks 20115 1506 1528 647 Charter Communications 7018 1437 5692 919 AT&T WorldNet Services 7545 1417 299 78 TPG Internet Pty Ltd 6478 1387 278 99 AT&T Worldnet Services 4755 1373 382 158 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 2617 2224 Time Warner Telecom 1785 1794 1664 PaeTec Communications, Inc. 19262 1777 1498 Verizon Global Networks 4766 1875 1362 Korea Telecom (KIX) 7545 1417 1339 TPG Internet Pty Ltd 6478 1387 1288 AT&T Worldnet Services 17488 1363 1242 Hathway IP Over Cable Interne 4755 1373 1215 TATA Communications formerly 17974 1266 1187 PT TELEKOMUNIKASI INDONESIA 10620 1329 1179 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 40331 UNALLOCATED 8.11.167.0/24 7018 AT&T WorldNet Servic 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 4323 Time Warner Telecom 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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
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 36.0.0.0/8 237 Merit Network 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 42.0.0.0/8 237 Merit Network 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 Corporation
Complete listing at http://thyme.rand.apnic.net/current/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 /11:68 /12:207 /13:420 /14:745 /15:1345 /16:11368 /17:5504 /18:9345 /19:18560 /20:23796 /21:23849 /22:31440 /23:30638 /24:174147 /25:998 /26:1125 /27:584 /28:149 /29:12 /30:2 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2330 3765 bellsouth.net, inc. 4323 1406 2617 Time Warner Telecom 6478 1349 1387 AT&T Worldnet Services 10620 1220 1329 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1077 1794 PaeTec Communications, Inc. 18566 1069 1088 Covad Communications 7011 1058 1159 Citizens Utilities 8452 967 1060 TEDATA 19262 903 1777 Verizon Global Networks
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:87 2:12 4:13 8:312 12:2011 13:8 14:44 15:20 16:3 17:9 20:9 24:1392 27:383 31:1 32:61 33:12 38:697 40:97 41:2565 44:3 46:168 47:10 49:4 50:1 52:12 55:5 56:2 57:31 58:837 59:498 60:480 61:1110 62:1004 63:1962 64:3747 65:2345 66:4067 67:1820 68:1139 69:2850 70:757 71:376 72:1938 73:2 74:2332 75:295 76:327 77:875 78:687 79:444 80:1047 81:805 82:493 83:453 84:689 85:1020 86:433 87:694 88:326 89:1570 90:110 91:3121 92:432 93:1007 94:1111 95:699 96:395 97:222 98:630 99:33 101:3 108:64 109:709 110:433 111:612 112:305 113:306 114:477 115:608 116:1138 117:662 118:538 119:981 120:164 121:719 122:1602 123:915 124:1225 125:1270 128:228 129:152 130:167 131:566 132:275 133:20 134:207 135:46 136:175 137:139 138:280 139:109 140:487 141:198 142:348 143:383 144:496 145:55 146:432 147:173 148:620 149:304 150:144 151:231 152:293 153:175 154:3 155:369 156:162 157:333 158:112 159:361 160:313 161:198 162:274 163:164 164:424 165:349 166:469 167:424 168:683 169:154 170:718 171:61 172:2 173:1046 174:496 175:241 176:1 177:1 178:533 180:682 181:1 182:244 183:235 184:131 186:739 187:547 188:853 189:804 190:4187 192:5762 193:4746 194:3434 195:2829 196:1198 198:3539 199:3631 200:5422 201:1586 202:8154 203:8267 204:4009 205:2316 206:2567 207:3028 208:3906 209:3475 210:2558 211:1283 212:1799 213:1720 214:683 215:66 216:4771 217:1559 218:524 219:401 220:1181 221:430 222:343 223:58
End of report
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