Routing Table Report 08:00 +10GMT Tue 24 Apr, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 399563 Prefixes after maximum aggregation: 170722 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 197769 Total ASes present in the Internet Routing Table: 38402 Prefixes per ASN: 10.40 Origin-only ASes present in the Internet Routing Table: 33098 Origin ASes announcing only one prefix: 15656 Transit ASes present in the Internet Routing Table: 5304 Transit-only ASes present in the Internet Routing Table: 120 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN (51742) 24 Prefixes from unregistered ASNs in the Routing Table: 1207 Unregistered ASNs in the Routing Table: 223 Number of 32-bit ASNs allocated by the RIRs: 2620 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 5582 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 113 Number of addresses announced to Internet: 2556167168 Equivalent to 152 /8s, 92 /16s and 4 /24s Percentage of available address space announced: 69.0 Percentage of allocated address space announced: 69.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.4 Total number of prefixes smaller than registry allocations: 169004 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 93536 Total APNIC prefixes after maximum aggregation: 30820 APNIC Deaggregation factor: 3.03 Prefixes being announced from the APNIC address blocks: 91022 Unique aggregates announced from the APNIC address blocks: 39868 APNIC Region origin ASes present in the Internet Routing Table: 4641 APNIC Prefixes per ASN: 19.61 APNIC Region origin ASes announcing only one prefix: 1266 APNIC Region transit ASes present in the Internet Routing Table: 707 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 643706880 Equivalent to 38 /8s, 94 /16s and 48 /24s Percentage of available APNIC address space announced: 81.6 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: 148766 Total ARIN prefixes after maximum aggregation: 75826 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 120232 Unique aggregates announced from the ARIN address blocks: 50362 ARIN Region origin ASes present in the Internet Routing Table: 15001 ARIN Prefixes per ASN: 8.01 ARIN Region origin ASes announcing only one prefix: 5737 ARIN Region transit ASes present in the Internet Routing Table: 1515 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 807160320 Equivalent to 48 /8s, 28 /16s and 74 /24s Percentage of available ARIN address space announced: 64.1 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: 101870 Total RIPE prefixes after maximum aggregation: 53739 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 93817 Unique aggregates announced from the RIPE address blocks: 58267 RIPE Region origin ASes present in the Internet Routing Table: 16491 RIPE Prefixes per ASN: 5.69 RIPE Region origin ASes announcing only one prefix: 8046 RIPE Region transit ASes present in the Internet Routing Table: 2603 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 510244352 Equivalent to 30 /8s, 105 /16s and 182 /24s Percentage of available RIPE address space announced: 82.2 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, 47104-52223, 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: 40023 Total LACNIC prefixes after maximum aggregation: 8141 LACNIC Deaggregation factor: 4.92 Prefixes being announced from the LACNIC address blocks: 40042 Unique aggregates announced from the LACNIC address blocks: 20236 LACNIC Region origin ASes present in the Internet Routing Table: 1579 LACNIC Prefixes per ASN: 25.36 LACNIC Region origin ASes announcing only one prefix: 439 LACNIC Region transit ASes present in the Internet Routing Table: 290 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 99340800 Equivalent to 5 /8s, 235 /16s and 210 /24s Percentage of available LACNIC address space announced: 65.8 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: 8975 Total AfriNIC prefixes after maximum aggregation: 2127 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 7063 Unique aggregates announced from the AfriNIC address blocks: 2185 AfriNIC Region origin ASes present in the Internet Routing Table: 531 AfriNIC Prefixes per ASN: 13.30 AfriNIC Region origin ASes announcing only one prefix: 168 AfriNIC Region transit ASes present in the Internet Routing Table: 115 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 31781632 Equivalent to 1 /8s, 228 /16s and 243 /24s Percentage of available AfriNIC address space announced: 47.4 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 1928 11105 695 Korea Telecom (KIX) 17974 1717 503 63 PT Telekomunikasi Indonesia 7545 1670 301 88 TPG Internet Pty Ltd 4755 1556 384 152 TATA Communications formerly 9829 1249 1069 30 National Internet Backbone 9583 1144 85 489 Sify Limited 7552 1100 1062 11 Vietel Corporation 24560 1022 385 167 Bharti Airtel Ltd., Telemedia 4808 957 1937 286 CNCGROUP IP network China169 9498 949 291 64 BHARTI Airtel Ltd. Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3428 3807 196 BellSouth.net Inc. 7029 3403 1016 169 Windstream Communications Inc 18566 2092 382 179 Covad Communications Co. 1785 1905 680 129 PaeTec Communications, Inc. 20115 1640 1566 619 Charter Communications 4323 1600 1060 383 tw telecom holdings, inc. 22773 1577 2910 113 Cox Communications Inc. 30036 1412 258 763 Mediacom Communications Corp 7018 1267 13903 825 AT&T Services, Inc. 11492 1186 216 364 CABLE ONE, INC. Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8402 1641 544 16 Corbina telecom 2118 1304 97 14 EUnet/RELCOM Autonomous Syste 31148 680 37 9 FreeNet ISP 34984 680 188 174 BILISIM TELEKOM 6830 656 2215 427 UPC Broadband 12479 643 666 63 France Telecom Espana SA 20940 628 205 498 Akamai Technologies European 9116 541 326 32 Goldenlines main autonomous s 3320 531 8441 397 Deutsche Telekom AG 8551 504 360 81 Bezeq International Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1816 328 173 Types of queries are: POCs, o 28573 1769 1107 59 Types of queries are: POCs, o 6503 1522 418 66 Axtel, S.A.B. de C.V. 7303 1363 829 188 Telecom Argentina S.A. 8151 1338 2997 333 Uninet S.A. de C.V. 26615 903 697 32 Tim Celular S.A. 27947 661 74 98 Telconet S.A 11172 640 107 74 Alestra, S. de R.L. de C.V. 22047 582 326 15 Types of queries are: POCs, o 3816 575 242 100 Types of queries are: POCs, o Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 1294 958 13 TEDATA 24863 837 274 32 LINKdotNET AS number 6713 493 649 18 Itissalat Al-MAGHRIB 3741 265 921 223 The Internet Solution 12258 197 28 62 Vodacom Internet Company 33776 197 12 21 Starcomms Nigeria Limited 24835 179 80 8 RAYA Telecom - Egypt 15706 169 32 6 Sudatel Internet Exchange Aut 16637 161 666 86 MTN Network Solutions 29571 159 15 15 Ci Telecom Autonomous system Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3428 3807 196 BellSouth.net Inc. 7029 3403 1016 169 Windstream Communications Inc 18566 2092 382 179 Covad Communications Co. 4766 1928 11105 695 Korea Telecom (KIX) 1785 1905 680 129 PaeTec Communications, Inc. 10620 1816 328 173 Types of queries are: POCs, o 28573 1769 1107 59 Types of queries are: POCs, o 17974 1717 503 63 PT Telekomunikasi Indonesia 7545 1670 301 88 TPG Internet Pty Ltd 8402 1641 544 16 Corbina telecom Complete listing at http://thyme.rand.apnic.net/london/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7029 3403 3234 Windstream Communications Inc 18566 2092 1913 Covad Communications Co. 1785 1905 1776 PaeTec Communications, Inc. 28573 1769 1710 Types of queries are: POCs, o 17974 1717 1654 PT Telekomunikasi Indonesia 10620 1816 1643 Types of queries are: POCs, o 8402 1641 1625 Corbina telecom 7545 1670 1582 TPG Internet Pty Ltd 22773 1577 1464 Cox Communications Inc. 6503 1522 1456 Axtel, S.A.B. de C.V. Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc. Complete listing at http://thyme.rand.apnic.net/london/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut Complete listing at http://thyme.rand.apnic.net/london/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 27.112.114.0/24 23884 Proimage Engineering and Comm 41.222.79.0/24 36938 >>UNKNOWN<< Complete listing at http://thyme.rand.apnic.net/london/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 /8:20 /9:12 /10:28 /11:81 /12:235 /13:460 /14:827 /15:1482 /16:12179 /17:6212 /18:10441 /19:20616 /20:28788 /21:29664 /22:40007 /23:37519 /24:210443 /25:11 /26:21 /27:20 /28:150 /29:144 /30:66 /31:0 /32:137 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3043 3403 Windstream Communications Inc 6389 2145 3428 BellSouth.net Inc. 18566 2041 2092 Covad Communications Co. 10620 1698 1816 Types of queries are: POCs, o 8402 1618 1641 Corbina telecom 30036 1358 1412 Mediacom Communications Corp 6503 1281 1522 Axtel, S.A.B. de C.V. 11492 1149 1186 CABLE ONE, INC. 8452 1094 1294 TEDATA 1785 1071 1905 PaeTec Communications, Inc. Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:535 2:684 4:14 6:3 8:404 12:1976 13:1 14:602 15:12 16:3 17:7 20:22 23:165 24:1766 27:1267 31:974 32:52 33:2 34:2 36:8 37:401 38:792 40:118 41:3157 42:134 44:3 46:1491 47:3 49:397 50:533 52:13 54:8 55:8 56:3 57:28 58:913 59:485 60:275 61:1091 62:976 63:1986 64:4157 65:2250 66:4484 67:2034 68:1166 69:3195 70:901 71:485 72:1819 74:2596 75:494 76:319 77:936 78:1010 79:476 80:1199 81:896 82:672 83:550 84:475 85:1201 86:421 87:926 88:343 89:1623 90:291 91:4747 92:523 93:1356 94:1504 95:1143 96:355 97:315 98:895 99:34 100:7 101:171 103:990 106:102 107:190 108:217 109:1283 110:737 111:914 112:444 113:582 114:638 115:798 116:882 117:702 118:908 119:1185 120:346 121:666 122:1633 123:1081 124:1296 125:1246 128:512 129:188 130:247 131:588 132:173 133:22 134:233 135:62 136:211 137:174 138:355 139:146 140:465 141:242 142:384 143:401 144:524 145:69 146:498 147:280 148:745 149:303 150:151 151:175 152:462 153:171 154:8 155:415 156:212 157:335 158:176 159:456 160:336 161:236 162:347 163:180 164:573 165:400 166:572 167:469 168:814 169:127 170:861 171:127 172:2 173:1748 174:562 175:404 176:434 177:677 178:1332 180:1177 181:77 182:795 183:288 184:456 185:1 186:2227 187:1051 188:1215 189:1775 190:5493 192:5964 193:5548 194:4644 195:3586 196:1264 197:131 198:3608 199:4490 200:5710 201:1926 202:8238 203:8489 204:4247 205:2471 206:2660 207:2727 208:4056 209:3599 210:2663 211:1451 212:2020 213:1908 214:841 215:102 216:5106 217:1529 218:528 219:309 220:1224 221:538 222:294 223:310 End of report