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Routing Table Report 04:00 +10GMT Sun 26 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 398059 Prefixes after maximum aggregation: 170046 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 193499 Total ASes present in the Internet Routing Table: 40200 Prefixes per ASN: 9.90 Origin-only ASes present in the Internet Routing Table: 32785 Origin ASes announcing only one prefix: 15528 Transit ASes present in the Internet Routing Table: 5407 Transit-only ASes present in the Internet Routing Table: 145 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: 320 Unregistered ASNs in the Routing Table: 131 Number of 32-bit ASNs allocated by the RIRs: 2294 Number of 32-bit ASNs visible in the Routing Table: 2008 Prefixes from 32-bit ASNs in the Routing Table: 4830 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 310 Number of addresses announced to Internet: 2521199952 Equivalent to 150 /8s, 70 /16s and 117 /24s Percentage of available address space announced: 68.0 Percentage of allocated address space announced: 68.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 169264
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 97661 Total APNIC prefixes after maximum aggregation: 31720 APNIC Deaggregation factor: 3.08 Prefixes being announced from the APNIC address blocks: 94120 Unique aggregates announced from the APNIC address blocks: 39204 APNIC Region origin ASes present in the Internet Routing Table: 4662 APNIC Prefixes per ASN: 20.19 APNIC Region origin ASes announcing only one prefix: 1233 APNIC Region transit ASes present in the Internet Routing Table: 735 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 152 Number of APNIC addresses announced to Internet: 639969888 Equivalent to 38 /8s, 37 /16s and 42 /24s Percentage of available APNIC address space announced: 81.2
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: 148432 Total ARIN prefixes after maximum aggregation: 75355 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120229 Unique aggregates announced from the ARIN address blocks: 49599 ARIN Region origin ASes present in the Internet Routing Table: 14914 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5680 ARIN Region transit ASes present in the Internet Routing Table: 1573 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 805445824 Equivalent to 48 /8s, 2 /16s and 32 /24s Percentage of available ARIN address space announced: 64.0
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: 99526 Total RIPE prefixes after maximum aggregation: 52699 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 91234 Unique aggregates announced from the RIPE address blocks: 56766 RIPE Region origin ASes present in the Internet Routing Table: 16335 RIPE Prefixes per ASN: 5.59 RIPE Region origin ASes announcing only one prefix: 8009 RIPE Region transit ASes present in the Internet Routing Table: 2610 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: 1379 Number of RIPE addresses announced to Internet: 501054216 Equivalent to 29 /8s, 221 /16s and 123 /24s Percentage of available RIPE address space announced: 80.7
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, 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: 38751 Total LACNIC prefixes after maximum aggregation: 8080 LACNIC Deaggregation factor: 4.80 Prefixes being announced from the LACNIC address blocks: 38427 Unique aggregates announced from the LACNIC address blocks: 19540 LACNIC Region origin ASes present in the Internet Routing Table: 1573 LACNIC Prefixes per ASN: 24.43 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 290 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 458 Number of LACNIC addresses announced to Internet: 97450376 Equivalent to 5 /8s, 206 /16s and 249 /24s Percentage of available LACNIC address space announced: 64.5
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: 8688 Total AfriNIC prefixes after maximum aggregation: 2100 AfriNIC Deaggregation factor: 4.14 Prefixes being announced from the AfriNIC address blocks: 6694 Unique aggregates announced from the AfriNIC address blocks: 2111 AfriNIC Region origin ASes present in the Internet Routing Table: 507 AfriNIC Prefixes per ASN: 13.20 AfriNIC Region origin ASes announcing only one prefix: 164 AfriNIC Region transit ASes present in the Internet Routing Table: 118 Average AfriNIC Region AS path length visible: 4.4 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: 31077120 Equivalent to 1 /8s, 218 /16s and 51 /24s Percentage of available AfriNIC address space announced: 46.3
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 2485 11107 991 Korea Telecom (KIX) 17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1643 303 87 TPG Internet Pty Ltd 4755 1558 386 157 TATA Communications formerly 9829 1179 997 29 BSNL National Internet Backbo 4808 1165 2112 319 CNCGROUP IP network: China169 9583 1129 84 483 Sify Limited 7552 1104 1062 11 Vietel Corporation 24560 1011 385 167 Bharti Airtel Ltd., Telemedia 18101 948 130 154 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 3433 3807 199 bellsouth.net, inc. 7029 3416 1014 159 Windstream Communications Inc 18566 2091 382 177 Covad Communications 1785 1864 679 121 PaeTec Communications, Inc. 20115 1629 1551 630 Charter Communications 4323 1608 1059 382 Time Warner Telecom 22773 1536 2910 110 Cox Communications, Inc. 30036 1416 254 744 Mediacom Communications Corp 19262 1388 4703 398 Verizon Global Networks 7018 1306 6964 848 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 1737 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 LDCOM NETWORKS 34984 656 188 173 BILISIM TELEKOM 6830 644 1927 413 UPC Distribution Services 20940 627 203 480 Akamai Technologies European 12479 608 644 55 Uni2 Autonomous System 8551 598 360 81 Bezeq International 31148 541 37 9 FreeNet ISP 3320 533 8450 399 Deutsche Telekom AG
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 1751 324 171 TVCABLE BOGOTA 28573 1683 1088 62 NET Servicos de Comunicao S.A 8151 1482 3010 348 UniNet S.A. de C.V. 7303 1328 822 186 Telecom Argentina Stet-France 26615 854 672 33 Tim Brasil S.A. 27947 662 67 108 Telconet S.A 11172 632 91 72 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 6503 575 418 66 AVANTEL, S.A. 3816 557 239 93 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 8452 1255 958 13 TEDATA 24863 833 274 37 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 33776 183 12 20 Starcomms Nigeria Limited 16637 157 657 79 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 3433 3807 199 bellsouth.net, inc. 7029 3416 1014 159 Windstream Communications Inc 4766 2485 11107 991 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1864 679 121 PaeTec Communications, Inc. 10620 1751 324 171 TVCABLE BOGOTA 8402 1737 480 15 Corbina telecom 17974 1725 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1683 1088 62 NET Servicos de Comunicao S.A 7545 1643 303 87 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7029 3416 3257 Windstream Communications Inc 18566 2091 1914 Covad Communications 1785 1864 1743 PaeTec Communications, Inc. 8402 1737 1722 Corbina telecom 17974 1725 1689 PT TELEKOMUNIKASI INDONESIA 28573 1683 1621 NET Servicos de Comunicao S.A 10620 1751 1580 TVCABLE BOGOTA 7545 1643 1556 TPG Internet Pty Ltd 4766 2485 1494 Korea Telecom (KIX) 22773 1536 1426 Cox Communications, Inc.
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 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 23.27.0.0/16 18779 Guru.com 27.112.114.0/24 23884 Proimage Engineering and Comm
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 /10:28 /11:81 /12:232 /13:458 /14:815 /15:1474 /16:12148 /17:6210 /18:10377 /19:20454 /20:28366 /21:29238 /22:39758 /23:37049 /24:207697 /25:1175 /26:1427 /27:781 /28:170 /29:57 /30:14 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3070 3416 Windstream Communications Inc 6389 2107 3433 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1716 1737 Corbina telecom 10620 1648 1751 TVCABLE BOGOTA 30036 1366 1416 Mediacom Communications Corp 11492 1122 1159 Cable One 1785 1064 1864 PaeTec Communications, Inc. 8452 1063 1255 TEDATA 15557 1046 1099 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:502 2:693 4:14 6:3 8:387 12:1961 13:1 14:593 15:11 16:3 17:7 20:8 23:134 24:1736 27:1198 31:941 32:65 33:2 34:2 36:9 37:204 38:776 40:116 41:2919 42:113 43:1 44:3 46:1344 47:3 49:334 50:509 52:13 54:2 55:7 56:3 57:38 58:967 59:494 60:336 61:1189 62:959 63:2009 64:4123 65:2280 66:4475 67:2033 68:1173 69:3164 70:909 71:406 72:1791 74:2648 75:470 76:319 77:971 78:969 79:507 80:1221 81:877 82:629 83:528 84:589 85:1158 86:729 87:913 88:334 89:1564 90:282 91:4510 92:510 93:1351 94:1385 95:1120 96:422 97:311 98:832 99:38 100:4 101:153 103:834 106:66 107:161 108:177 109:1542 110:704 111:855 112:435 113:532 114:602 115:781 116:869 117:710 118:905 119:1262 120:364 121:691 122:1620 123:1042 124:1329 125:1315 128:538 129:190 130:217 131:590 132:164 133:21 134:234 135:62 136:214 137:184 138:268 139:145 140:467 141:260 142:394 143:415 144:514 145:69 146:485 147:240 148:733 149:300 150:164 151:198 152:448 153:171 154:7 155:401 156:212 157:369 158:164 159:514 160:321 161:245 162:342 163:182 164:531 165:393 166:559 167:458 168:764 169:148 170:839 171:117 172:4 173:1725 174:600 175:422 176:514 177:503 178:1283 180:1184 181:68 182:736 183:283 184:433 185:1 186:2011 187:862 188:1084 189:1192 190:5465 192:5971 193:5540 194:4345 195:3393 196:1278 197:165 198:3611 199:4415 200:5708 201:1739 202:8390 203:8628 204:4363 205:2436 206:2744 207:2789 208:4065 209:3548 210:2753 211:1479 212:2014 213:1836 214:829 215:101 216:5020 217:1497 218:548 219:337 220:1229 221:562 222:326 223:314
End of report
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