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Routing Table Report 04:00 +10GMT Sun 31 Oct, 2010
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 334793 Prefixes after maximum aggregation: 153024 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 164957 Total ASes present in the Internet Routing Table: 35119 Prefixes per ASN: 9.53 Origin-only ASes present in the Internet Routing Table: 30290 Origin ASes announcing only one prefix: 14786 Transit ASes present in the Internet Routing Table: 4829 Transit-only ASes present in the Internet Routing Table: 117 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 30 Max AS path prepend of ASN (41664) 21 Prefixes from unregistered ASNs in the Routing Table: 291 Unregistered ASNs in the Routing Table: 122 Number of 32-bit ASNs allocated by the RIRs: 857 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: 188 Number of addresses announced to Internet: 2326569120 Equivalent to 138 /8s, 172 /16s and 160 /24s Percentage of available address space announced: 62.8 Percentage of allocated address space announced: 66.4 Percentage of available address space allocated: 94.6 Percentage of address space in use by end-sites: 85.7 Total number of prefixes smaller than registry allocations: 137342
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 82224 Total APNIC prefixes after maximum aggregation: 28019 APNIC Deaggregation factor: 2.93 Prefixes being announced from the APNIC address blocks: 79125 Unique aggregates announced from the APNIC address blocks: 34695 APNIC Region origin ASes present in the Internet Routing Table: 4220 APNIC Prefixes per ASN: 18.75 APNIC Region origin ASes announcing only one prefix: 1176 APNIC Region transit ASes present in the Internet Routing Table: 677 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 560646432 Equivalent to 33 /8s, 106 /16s and 201 /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: 137333 Total ARIN prefixes after maximum aggregation: 71120 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 108766 Unique aggregates announced from the ARIN address blocks: 43635 ARIN Region origin ASes present in the Internet Routing Table: 14001 ARIN Prefixes per ASN: 7.77 ARIN Region origin ASes announcing only one prefix: 5368 ARIN Region transit ASes present in the Internet Routing Table: 1482 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 23 Number of ARIN addresses announced to Internet: 738425600 Equivalent to 44 /8s, 3 /16s and 123 /24s Percentage of available ARIN address space announced: 62.9
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: 77243 Total RIPE prefixes after maximum aggregation: 44694 RIPE Deaggregation factor: 1.73 Prefixes being announced from the RIPE address blocks: 70731 Unique aggregates announced from the RIPE address blocks: 46411 RIPE Region origin ASes present in the Internet Routing Table: 14930 RIPE Prefixes per ASN: 4.74 RIPE Region origin ASes announcing only one prefix: 7684 RIPE Region transit ASes present in the Internet Routing Table: 2296 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 443075328 Equivalent to 26 /8s, 104 /16s and 203 /24s Percentage of available RIPE address space announced: 77.7
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: 30208 Total LACNIC prefixes after maximum aggregation: 7206 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 28898 Unique aggregates announced from the LACNIC address blocks: 15348 LACNIC Region origin ASes present in the Internet Routing Table: 1375 LACNIC Prefixes per ASN: 21.02 LACNIC Region origin ASes announcing only one prefix: 430 LACNIC Region transit ASes present in the Internet Routing Table: 239 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 76749824 Equivalent to 4 /8s, 147 /16s and 28 /24s Percentage of available LACNIC address space announced: 57.2
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: 7564 Total AfriNIC prefixes after maximum aggregation: 1866 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 5880 Unique aggregates announced from the AfriNIC address blocks: 1712 AfriNIC Region origin ASes present in the Internet Routing Table: 412 AfriNIC Prefixes per ASN: 14.27 AfriNIC Region origin ASes announcing only one prefix: 128 AfriNIC Region transit ASes present in the Internet Routing Table: 90 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC addresses announced to Internet: 21425664 Equivalent to 1 /8s, 70 /16s and 238 /24s Percentage of available AfriNIC address space announced: 63.9
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 1867 9453 512 Korea Telecom (KIX) 7545 1423 299 77 TPG Internet Pty Ltd 4755 1380 379 158 TATA Communications formerly 17488 1364 156 121 Hathway IP Over Cable Interne 17974 1274 304 84 PT TELEKOMUNIKASI INDONESIA 24560 1053 309 173 Bharti Airtel Ltd., Telemedia 9583 1032 76 491 Sify Limited 4808 976 1720 265 CNCGROUP IP network: China169 18101 894 116 133 Reliance Infocom Ltd Internet 9829 816 690 36 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 3760 3666 279 bellsouth.net, inc. 4323 2618 1104 394 Time Warner Telecom 1785 1792 698 130 PaeTec Communications, Inc. 19262 1776 4833 278 Verizon Global Networks 20115 1507 1528 644 Charter Communications 7018 1417 5674 906 AT&T WorldNet Services 6478 1398 280 76 AT&T Worldnet Services 2386 1309 556 928 AT&T Data Communications Serv 11492 1237 231 74 Cable One 22773 1227 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 447 2028 391 TDC Tele Danmark 8866 426 133 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 378 1696 335 TeliaNet Sweden 3320 377 7332 330 Deutsche Telekom AG 30890 375 80 206 Evolva Telecom 12479 366 576 5 Uni2 Autonomous System 31148 360 19 82 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 1330 248 155 TVCABLE BOGOTA 8151 1323 2597 369 UniNet S.A. de C.V. 28573 1189 928 84 NET Servicos de Comunicao S.A 7303 830 441 107 Telecom Argentina Stet-France 6503 794 225 258 AVANTEL, S.A. 22047 564 310 15 VTR PUNTO NET S.A. 14420 559 44 80 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 1112 445 10 TEDATA 24863 744 147 39 LINKdotNET AS number 36992 633 277 156 Etisalat MISR 3741 268 907 225 The Internet Solution 24835 209 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 152 440 89 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 3760 3666 279 bellsouth.net, inc. 4323 2618 1104 394 Time Warner Telecom 4766 1867 9453 512 Korea Telecom (KIX) 1785 1792 698 130 PaeTec Communications, Inc. 19262 1776 4833 278 Verizon Global Networks 20115 1507 1528 644 Charter Communications 7545 1423 299 77 TPG Internet Pty Ltd 7018 1417 5674 906 AT&T WorldNet Services 6478 1398 280 76 AT&T Worldnet Services 4755 1380 379 158 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 2618 2224 Time Warner Telecom 1785 1792 1662 PaeTec Communications, Inc. 19262 1776 1498 Verizon Global Networks 4766 1867 1355 Korea Telecom (KIX) 7545 1423 1346 TPG Internet Pty Ltd 6478 1398 1322 AT&T Worldnet Services 17488 1364 1243 Hathway IP Over Cable Interne 4755 1380 1222 TATA Communications formerly 17974 1274 1190 PT TELEKOMUNIKASI INDONESIA 10620 1330 1175 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 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 25639 UNALLOCATED 12.41.169.0/24 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 /12:206 /13:420 /14:744 /15:1345 /16:11365 /17:5533 /18:9375 /19:18595 /20:23845 /21:23860 /22:31467 /23:30647 /24:174445 /25:974 /26:1097 /27:580 /28:150 /29:12 /30:2 /31:0 /32:7
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2325 3760 bellsouth.net, inc. 4323 1405 2618 Time Warner Telecom 6478 1360 1398 AT&T Worldnet Services 10620 1222 1330 TVCABLE BOGOTA 11492 1194 1237 Cable One 1785 1074 1792 PaeTec Communications, Inc. 18566 1069 1088 Covad Communications 7011 1059 1160 Citizens Utilities 8452 1008 1112 TEDATA 19262 902 1776 Verizon Global Networks
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:92 2:14 4:13 5:1 8:312 12:1991 13:8 14:52 15:18 16:3 17:8 20:9 24:1404 27:423 31:1 32:61 33:11 38:697 40:101 41:2620 44:3 46:198 47:10 49:4 50:3 52:12 55:6 56:2 57:29 58:833 59:501 60:479 61:1122 62:1001 63:1966 64:3748 65:2345 66:4068 67:1805 68:1123 69:2861 70:753 71:376 72:1895 73:2 74:2324 75:295 76:326 77:855 78:681 79:444 80:1060 81:795 82:512 83:458 84:683 85:1022 86:474 87:690 88:329 89:1571 90:109 91:3143 92:439 93:983 94:1121 95:706 96:391 97:222 98:632 99:32 101:3 108:64 109:724 110:429 111:618 112:306 113:306 114:478 115:615 116:1141 117:660 118:557 119:999 120:165 121:715 122:1606 123:950 124:1223 125:1270 128:229 129:152 130:168 131:553 132:267 133:20 134:207 135:45 136:210 137:142 138:279 139:110 140:486 141:198 142:347 143:361 144:495 145:55 146:433 147:175 148:616 149:302 150:146 151:231 152:293 153:171 154:3 155:361 156:162 157:338 158:112 159:361 160:311 161:199 162:274 163:164 164:427 165:349 166:470 167:426 168:681 169:155 170:718 171:62 172:2 173:1077 174:469 175:242 176:1 178:560 180:691 182:253 183:240 184:156 186:750 187:563 188:854 189:804 190:4186 192:5763 193:4751 194:3445 195:2840 196:1196 198:3516 199:3626 200:5410 201:1586 202:8170 203:8295 204:4009 205:2321 206:2571 207:3011 208:3883 209:3450 210:2554 211:1278 212:1805 213:1729 214:685 215:66 216:4747 217:1571 218:529 219:401 220:1185 221:427 222:343 223:60
End of report
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