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Routing Table Report 04:00 +10GMT Tue 11 Oct, 2011
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 376082 Prefixes after maximum aggregation: 169153 Deaggregation factor: 2.22 Unique aggregates announced to Internet: 185454 Total ASes present in the Internet Routing Table: 39011 Prefixes per ASN: 9.64 Origin-only ASes present in the Internet Routing Table: 32297 Origin ASes announcing only one prefix: 15492 Transit ASes present in the Internet Routing Table: 5222 Transit-only ASes present in the Internet Routing Table: 133 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 1682 Unregistered ASNs in the Routing Table: 853 Number of 32-bit ASNs allocated by the RIRs: 1838 Number of 32-bit ASNs visible in the Routing Table: 1492 Prefixes from 32-bit ASNs in the Routing Table: 3415 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 92 Number of addresses announced to Internet: 2483340544 Equivalent to 148 /8s, 4 /16s and 197 /24s Percentage of available address space announced: 67.0 Percentage of allocated address space announced: 67.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 157396
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 94499 Total APNIC prefixes after maximum aggregation: 30837 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 90957 Unique aggregates announced from the APNIC address blocks: 37991 APNIC Region origin ASes present in the Internet Routing Table: 4577 APNIC Prefixes per ASN: 19.87 APNIC Region origin ASes announcing only one prefix: 1257 APNIC Region transit ASes present in the Internet Routing Table: 705 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 91 Number of APNIC addresses announced to Internet: 628423520 Equivalent to 37 /8s, 116 /16s and 251 /24s Percentage of available APNIC address space announced: 79.7
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 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: 144380 Total ARIN prefixes after maximum aggregation: 74121 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116505 Unique aggregates announced from the ARIN address blocks: 48055 ARIN Region origin ASes present in the Internet Routing Table: 14723 ARIN Prefixes per ASN: 7.91 ARIN Region origin ASes announcing only one prefix: 5671 ARIN Region transit ASes present in the Internet Routing Table: 1559 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804604160 Equivalent to 47 /8s, 245 /16s and 73 /24s Percentage of available ARIN address space announced: 63.9
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, 23/8, 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, 53/8, 54/8, 55/8, 56/8, 57/8, 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, 100/8, 104/8, 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: 90296 Total RIPE prefixes after maximum aggregation: 50546 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 82971 Unique aggregates announced from the RIPE address blocks: 54288 RIPE Region origin ASes present in the Internet Routing Table: 16016 RIPE Prefixes per ASN: 5.18 RIPE Region origin ASes announcing only one prefix: 7957 RIPE Region transit ASes present in the Internet Routing Table: 2499 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1052 Number of RIPE addresses announced to Internet: 490664064 Equivalent to 29 /8s, 62 /16s and 240 /24s Percentage of available RIPE address space announced: 79.0
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, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 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, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 35051 Total LACNIC prefixes after maximum aggregation: 7854 LACNIC Deaggregation factor: 4.46 Prefixes being announced from the LACNIC address blocks: 34403 Unique aggregates announced from the LACNIC address blocks: 17945 LACNIC Region origin ASes present in the Internet Routing Table: 1535 LACNIC Prefixes per ASN: 22.41 LACNIC Region origin ASes announcing only one prefix: 452 LACNIC Region transit ASes present in the Internet Routing Table: 281 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 333 Number of LACNIC addresses announced to Internet: 90687104 Equivalent to 5 /8s, 103 /16s and 198 /24s Percentage of available LACNIC address space announced: 60.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 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: 8269 Total AfriNIC prefixes after maximum aggregation: 2005 AfriNIC Deaggregation factor: 4.12 Prefixes being announced from the AfriNIC address blocks: 6366 Unique aggregates announced from the AfriNIC address blocks: 1967 AfriNIC Region origin ASes present in the Internet Routing Table: 488 AfriNIC Prefixes per ASN: 13.05 AfriNIC Region origin ASes announcing only one prefix: 155 AfriNIC Region transit ASes present in the Internet Routing Table: 108 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27775744 Equivalent to 1 /8s, 167 /16s and 211 /24s Percentage of available AfriNIC address space announced: 41.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4766 2493 11047 956 Korea Telecom (KIX) 17974 1967 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1611 303 86 TPG Internet Pty Ltd 4755 1544 639 174 TATA Communications formerly 7552 1393 1064 7 Vietel Corporation 9829 1165 989 28 BSNL National Internet Backbo 24560 1150 341 231 Bharti Airtel Ltd., Telemedia 9583 1088 80 503 Sify Limited 4808 1079 2097 305 CNCGROUP IP network: China169 18101 952 165 142 Reliance Infocom Ltd Internet
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 3552 3815 221 bellsouth.net, inc. 18566 1915 366 239 Covad Communications 7029 1898 1016 197 Windstream Communications Inc 1785 1832 680 121 PaeTec Communications, Inc. 4323 1630 1083 392 Time Warner Telecom 20115 1590 1541 635 Charter Communications 22773 1458 2907 100 Cox Communications, Inc. 19262 1394 4728 400 Verizon Global Networks 30036 1385 250 676 Mediacom Communications Corp 7018 1338 7049 875 AT&T WorldNet Services
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 8402 1490 352 13 Corbina telecom 6830 635 1890 410 UPC Distribution Services 34984 580 108 180 BILISIM TELEKOM 20940 547 184 421 Akamai Technologies European 3320 503 8169 385 Deutsche Telekom AG 3292 483 2082 409 TDC Tele Danmark 12479 480 593 7 Uni2 Autonomous System 8866 459 133 26 Bulgarian Telecommunication C 29049 424 31 55 AzerSat LLC. 8551 404 354 44 Bezeq International
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 1680 310 154 TVCABLE BOGOTA 8151 1413 2841 346 UniNet S.A. de C.V. 28573 1368 1014 68 NET Servicos de Comunicao S.A 7303 1164 683 175 Telecom Argentina Stet-France 14420 636 59 87 CORPORACION NACIONAL DE TELEC 22047 579 322 17 VTR PUNTO NET S.A. 6503 575 450 69 AVANTEL, S.A. 27947 575 71 83 Telconet S.A 7738 553 1050 31 Telecomunicacoes da Bahia S.A 3816 536 232 95 Empresa Nacional de Telecomun
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 24863 770 146 36 LINKdotNET AS number 8452 505 445 11 TEDATA 15475 441 74 8 Nile Online 36992 297 415 19 Etisalat MISR 3741 277 938 229 The Internet Solution 15706 244 32 6 Sudatel Internet Exchange Aut 6713 242 519 14 Itissalat Al-MAGHRIB 33776 207 13 14 Starcomms Nigeria Limited 12258 198 28 58 Vodacom Internet Company 29571 192 17 11 Ci Telecom Autonomous system
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 3552 3815 221 bellsouth.net, inc. 4766 2493 11047 956 Korea Telecom (KIX) 17974 1967 519 33 PT TELEKOMUNIKASI INDONESIA 18566 1915 366 239 Covad Communications 7029 1898 1016 197 Windstream Communications Inc 1785 1832 680 121 PaeTec Communications, Inc. 10620 1680 310 154 TVCABLE BOGOTA 4323 1630 1083 392 Time Warner Telecom 7545 1611 303 86 TPG Internet Pty Ltd 20115 1590 1541 635 Charter Communications
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 17974 1967 1934 PT TELEKOMUNIKASI INDONESIA 1785 1832 1711 PaeTec Communications, Inc. 7029 1898 1701 Windstream Communications Inc 18566 1915 1676 Covad Communications 4766 2493 1537 Korea Telecom (KIX) 10620 1680 1526 TVCABLE BOGOTA 7545 1611 1525 TPG Internet Pty Ltd 8402 1490 1477 Corbina telecom 7552 1393 1386 Vietel Corporation 4755 1544 1370 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 128.0.80.0/24 30977 JSC "Yugra-Telecom" 128.0.81.0/24 30977 JSC "Yugra-Telecom" 128.0.82.0/24 30977 JSC "Yugra-Telecom" 128.0.83.0/24 30977 JSC "Yugra-Telecom" 128.0.84.0/24 30977 JSC "Yugra-Telecom" 128.0.85.0/24 30977 JSC "Yugra-Telecom" 128.0.86.0/24 30977 JSC "Yugra-Telecom" 128.0.87.0/24 30977 JSC "Yugra-Telecom"
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless
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 /8:19 /9:12 /10:27 /11:81 /12:235 /13:464 /14:805 /15:1423 /16:11995 /17:6011 /18:10032 /19:19899 /20:27205 /21:27249 /22:36813 /23:34921 /24:195501 /25:1132 /26:1337 /27:742 /28:170 /29:4 /30:0 /31:0 /32:5
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6389 2190 3552 bellsouth.net, inc. 18566 1871 1915 Covad Communications 7029 1590 1898 Windstream Communications Inc 10620 1575 1680 TVCABLE BOGOTA 8402 1467 1490 Corbina telecom 30036 1347 1385 Mediacom Communications Corp 11492 1115 1153 Cable One 1785 1055 1832 PaeTec Communications, Inc. 7011 1048 1167 Citizens Utilities 22773 947 1458 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:388 2:489 4:15 5:1 6:3 8:357 12:1955 13:1 14:538 15:11 16:3 17:7 20:9 23:56 24:1691 27:965 31:571 32:65 33:4 34:2 36:4 38:747 40:108 41:2510 42:50 44:3 46:992 47:3 49:264 50:442 52:13 55:4 56:2 57:37 58:879 59:490 60:363 61:1171 62:1087 63:1934 64:4051 65:2297 66:4013 67:1963 68:1104 69:3197 70:837 71:378 72:1856 74:2514 75:364 76:340 77:883 78:870 79:454 80:1127 81:827 82:493 83:535 84:641 85:1117 86:405 87:871 88:353 89:1601 90:268 91:4158 92:525 93:1388 94:1298 95:1043 96:437 97:280 98:903 99:36 101:210 103:349 106:70 107:61 108:54 109:1044 110:662 111:795 112:320 113:481 114:574 115:696 116:883 117:713 118:893 119:1253 120:337 121:692 122:1605 123:1021 124:1366 125:1381 128:255 129:175 130:166 131:585 132:121 133:21 134:215 135:54 136:213 137:140 138:288 139:124 140:494 141:292 142:387 143:425 144:492 145:63 146:472 147:215 148:636 149:266 150:147 151:193 152:447 153:178 154:7 155:386 156:207 157:360 158:151 159:467 160:319 161:208 162:337 163:176 164:504 165:365 166:537 167:435 168:746 169:145 170:870 171:86 172:1 173:1672 174:659 175:416 176:279 177:294 178:1049 180:1111 181:37 182:630 183:213 184:373 185:1 186:1417 187:666 188:924 189:850 190:5118 192:5908 193:5023 194:3533 195:3092 196:1237 197:183 198:3625 199:4143 200:5522 201:1646 202:8556 203:8501 204:4299 205:2367 206:2673 207:2819 208:4050 209:3452 210:2694 211:1457 212:2064 213:1765 214:788 215:89 216:4925 217:1613 218:560 219:338 220:1241 221:510 222:342 223:285
End of report
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