Routing Table Report 08:00 +10GMT Sun 12 Feb, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 390842 Prefixes after maximum aggregation: 167565 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 192368 Total ASes present in the Internet Routing Table: 37995 Prefixes per ASN: 10.29 Origin-only ASes present in the Internet Routing Table: 32723 Origin ASes announcing only one prefix: 15541 Transit ASes present in the Internet Routing Table: 5272 Transit-only ASes present in the Internet Routing Table: 134 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1115 Unregistered ASNs in the Routing Table: 185 Number of 32-bit ASNs allocated by the RIRs: 2272 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4692 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 142 Number of addresses announced to Internet: 2531816960 Equivalent to 150 /8s, 232 /16s and 118 /24s Percentage of available address space announced: 68.3 Percentage of allocated address space announced: 68.3 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: 164596 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 92517 Total APNIC prefixes after maximum aggregation: 30201 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 89825 Unique aggregates announced from the APNIC address blocks: 39266 APNIC Region origin ASes present in the Internet Routing Table: 4595 APNIC Prefixes per ASN: 19.55 APNIC Region origin ASes announcing only one prefix: 1253 APNIC Region transit ASes present in the Internet Routing Table: 708 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 635696896 Equivalent to 37 /8s, 227 /16s and 247 /24s Percentage of available APNIC address space announced: 80.6 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: 147045 Total ARIN prefixes after maximum aggregation: 74870 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119258 Unique aggregates announced from the ARIN address blocks: 49397 ARIN Region origin ASes present in the Internet Routing Table: 14845 ARIN Prefixes per ASN: 8.03 ARIN Region origin ASes announcing only one prefix: 5685 ARIN Region transit ASes present in the Internet Routing Table: 1500 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 804489472 Equivalent to 47 /8s, 243 /16s and 137 /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: 99142 Total RIPE prefixes after maximum aggregation: 52358 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 90941 Unique aggregates announced from the RIPE address blocks: 56098 RIPE Region origin ASes present in the Internet Routing Table: 16306 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 8005 RIPE Region transit ASes present in the Internet Routing Table: 2594 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 500706560 Equivalent to 29 /8s, 216 /16s and 45 /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: 37771 Total LACNIC prefixes after maximum aggregation: 7970 LACNIC Deaggregation factor: 4.74 Prefixes being announced from the LACNIC address blocks: 37543 Unique aggregates announced from the LACNIC address blocks: 19510 LACNIC Region origin ASes present in the Internet Routing Table: 1561 LACNIC Prefixes per ASN: 24.05 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 281 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 96513536 Equivalent to 5 /8s, 192 /16s and 174 /24s Percentage of available LACNIC address space announced: 63.9 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: 8972 Total AfriNIC prefixes after maximum aggregation: 2088 AfriNIC Deaggregation factor: 4.30 Prefixes being announced from the AfriNIC address blocks: 6993 Unique aggregates announced from the AfriNIC address blocks: 2143 AfriNIC Region origin ASes present in the Internet Routing Table: 509 AfriNIC Prefixes per ASN: 13.74 AfriNIC Region origin ASes announcing only one prefix: 157 AfriNIC Region transit ASes present in the Internet Routing Table: 118 Average AfriNIC Region AS path length visible: 3.3 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: 30888704 Equivalent to 1 /8s, 215 /16s and 83 /24s Percentage of available AfriNIC address space announced: 46.0 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 1913 11098 671 Korea Telecom (KIX) 17974 1668 503 36 PT Telekomunikasi Indonesia 7545 1640 303 86 TPG Internet Pty Ltd 4755 1514 385 156 TATA Communications formerly 9829 1172 989 28 National Internet Backbone 9583 1124 83 482 Sify Limited 7552 1079 1062 11 Vietel Corporation 24560 1013 385 167 Bharti Airtel Ltd., Telemedia 4808 978 1946 275 CNCGROUP IP network China169 18101 952 131 156 Reliance Infocom Ltd Internet 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 3442 3807 202 BellSouth.net Inc. 7029 3423 1040 172 Windstream Communications Inc 18566 2093 382 177 Covad Communications Co. 1785 1871 680 124 PaeTec Communications, Inc. 20115 1624 1550 631 Charter Communications 4323 1609 1078 385 tw telecom holdings, inc. 22773 1511 2910 109 Cox Communications Inc. 19262 1385 4687 396 Verizon Online LLC 30036 1384 244 749 Mediacom Communications Corp 7018 1315 7028 856 AT&T Services, 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 1590 480 15 Corbina telecom 2118 1385 97 13 EUnet/RELCOM Autonomous Syste 15557 1095 2161 63 NEUF CEGETEL (formerly LDCOM 34984 649 188 171 BILISIM TELEKOM 6830 644 1927 413 UPC Broadband 20940 602 195 472 Akamai Technologies European 12479 580 642 53 France Telecom Espana SA 8551 577 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s 31148 538 37 9 FreeNet ISP 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 1751 324 162 Types of queries are: POCs, o 28573 1648 1085 75 Types of queries are: POCs, o 8151 1332 2984 334 Uninet S.A. de C.V. 7303 1263 758 182 Telecom Argentina S.A. 26615 849 672 33 Tim Celular S.A. 11172 633 107 75 Alestra, S. de R.L. de C.V. 27947 632 67 105 Telconet S.A 22047 581 322 17 Types of queries are: POCs, o 3816 552 238 91 Types of queries are: POCs, o 7738 550 1050 31 Telecomunicacoes da Bahia S.A 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 1235 958 13 TEDATA 24863 826 155 40 LINKdotNET AS number 6713 487 649 18 Itissalat Al-MAGHRIB 3741 278 939 229 The Internet Solution 33776 236 13 14 Starcomms Nigeria Limited 15706 222 32 6 Sudatel Internet Exchange Aut 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 29571 189 17 11 Ci Telecom Autonomous system 16637 160 664 85 MTN Network Solutions 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 3442 3807 202 BellSouth.net Inc. 7029 3423 1040 172 Windstream Communications Inc 18566 2093 382 177 Covad Communications Co. 4766 1913 11098 671 Korea Telecom (KIX) 1785 1871 680 124 PaeTec Communications, Inc. 10620 1751 324 162 Types of queries are: POCs, o 17974 1668 503 36 PT Telekomunikasi Indonesia 28573 1648 1085 75 Types of queries are: POCs, o 7545 1640 303 86 TPG Internet Pty Ltd 20115 1624 1550 631 Charter Communications 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 3423 3251 Windstream Communications Inc 18566 2093 1916 Covad Communications Co. 1785 1871 1747 PaeTec Communications, Inc. 17974 1668 1632 PT Telekomunikasi Indonesia 10620 1751 1589 Types of queries are: POCs, o 8402 1590 1575 Corbina telecom 28573 1648 1573 Types of queries are: POCs, o 7545 1640 1554 TPG Internet Pty Ltd 22773 1511 1402 Cox Communications Inc. 2118 1385 1372 EUnet/RELCOM Autonomous Syste 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 37.98.200.0/21 56687 Nimad Rah Khoozestan PLC 37.98.208.0/20 8374 Polkomtel S.A. 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 /10:27 /11:80 /12:232 /13:458 /14:814 /15:1466 /16:12071 /17:6179 /18:10248 /19:20490 /20:28134 /21:28878 /22:39334 /23:36645 /24:205216 /25:11 /26:20 /27:20 /28:151 /29:137 /30:65 /31:0 /32:134 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3062 3423 Windstream Communications Inc 6389 2111 3442 BellSouth.net Inc. 18566 2042 2093 Covad Communications Co. 10620 1645 1751 Types of queries are: POCs, o 8402 1569 1590 Corbina telecom 30036 1342 1384 Mediacom Communications Corp 11492 1118 1155 CABLE ONE, INC. 1785 1065 1871 PaeTec Communications, Inc. 15557 1045 1095 NEUF CEGETEL (formerly LDCOM 8452 1042 1235 TEDATA Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:502 2:584 4:14 5:1 6:3 8:383 12:1959 13:1 14:586 15:11 16:3 17:7 20:9 23:131 24:1720 27:1192 31:944 32:60 33:2 34:2 36:9 37:177 38:771 40:115 41:3172 42:94 44:3 46:1282 47:3 49:322 50:515 52:13 54:2 55:9 56:3 57:37 58:916 59:477 60:341 61:1089 62:948 63:2003 64:4110 65:2281 66:4414 67:2036 68:1171 69:3155 70:926 71:412 72:1793 74:2654 75:463 76:322 77:972 78:935 79:499 80:1229 81:882 82:575 83:528 84:581 85:1155 86:749 87:920 88:334 89:1551 90:271 91:4486 92:541 93:1334 94:1358 95:1076 96:413 97:310 98:830 99:38 100:4 101:140 103:771 106:64 107:152 108:150 109:1486 110:692 111:845 112:419 113:529 114:598 115:745 116:853 117:706 118:892 119:1238 120:359 121:649 122:1572 123:1069 124:1296 125:1318 128:505 129:182 130:209 131:587 132:163 133:21 134:221 135:60 136:208 137:150 138:286 139:144 140:462 141:261 142:371 143:408 144:516 145:70 146:480 147:240 148:707 149:280 150:158 151:197 152:445 153:170 154:6 155:418 156:208 157:335 158:156 159:443 160:319 161:226 162:338 163:177 164:525 165:392 166:555 167:455 168:756 169:146 170:834 171:112 172:2 173:1730 174:611 175:416 176:515 177:483 178:1251 180:1179 181:65 182:704 183:278 184:424 185:1 186:1999 187:843 188:1032 189:1173 190:5466 192:5928 193:5522 194:4326 195:3390 196:1277 197:165 198:3567 199:4336 200:5582 201:1728 202:8213 203:8531 204:4275 205:2419 206:2650 207:2732 208:4055 209:3542 210:2675 211:1448 212:2055 213:1842 214:855 215:91 216:4973 217:1475 218:533 219:334 220:1220 221:542 222:298 223:297 End of report