Routing Table Report 08:00 +10GMT Tue 07 Feb, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 389685 Prefixes after maximum aggregation: 167414 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 191753 Total ASes present in the Internet Routing Table: 37924 Prefixes per ASN: 10.28 Origin-only ASes present in the Internet Routing Table: 32670 Origin ASes announcing only one prefix: 15526 Transit ASes present in the Internet Routing Table: 5254 Transit-only ASes present in the Internet Routing Table: 127 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: 1056 Unregistered ASNs in the Routing Table: 182 Number of 32-bit ASNs allocated by the RIRs: 2266 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4679 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 116 Number of addresses announced to Internet: 2529583360 Equivalent to 150 /8s, 198 /16s and 97 /24s Percentage of available address space announced: 68.2 Percentage of allocated address space announced: 68.2 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: 163968 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 92230 Total APNIC prefixes after maximum aggregation: 30183 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 89551 Unique aggregates announced from the APNIC address blocks: 39159 APNIC Region origin ASes present in the Internet Routing Table: 4593 APNIC Prefixes per ASN: 19.50 APNIC Region origin ASes announcing only one prefix: 1252 APNIC Region transit ASes present in the Internet Routing Table: 702 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: 635540480 Equivalent to 37 /8s, 225 /16s and 148 /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: 146887 Total ARIN prefixes after maximum aggregation: 74809 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119138 Unique aggregates announced from the ARIN address blocks: 49194 ARIN Region origin ASes present in the Internet Routing Table: 14811 ARIN Prefixes per ASN: 8.04 ARIN Region origin ASes announcing only one prefix: 5665 ARIN Region transit ASes present in the Internet Routing Table: 1497 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: 804348416 Equivalent to 47 /8s, 241 /16s and 98 /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: 98535 Total RIPE prefixes after maximum aggregation: 52288 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 90406 Unique aggregates announced from the RIPE address blocks: 55879 RIPE Region origin ASes present in the Internet Routing Table: 16285 RIPE Prefixes per ASN: 5.55 RIPE Region origin ASes announcing only one prefix: 8007 RIPE Region transit ASes present in the Internet Routing Table: 2584 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 499321088 Equivalent to 29 /8s, 195 /16s and 9 /24s Percentage of available RIPE address space announced: 80.4 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: 37737 Total LACNIC prefixes after maximum aggregation: 7970 LACNIC Deaggregation factor: 4.73 Prefixes being announced from the LACNIC address blocks: 37494 Unique aggregates announced from the LACNIC address blocks: 19425 LACNIC Region origin ASes present in the Internet Routing Table: 1561 LACNIC Prefixes per ASN: 24.02 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 285 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 96348416 Equivalent to 5 /8s, 190 /16s and 41 /24s Percentage of available LACNIC address space announced: 63.8 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: 8915 Total AfriNIC prefixes after maximum aggregation: 2092 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 6955 Unique aggregates announced from the AfriNIC address blocks: 2107 AfriNIC Region origin ASes present in the Internet Routing Table: 505 AfriNIC Prefixes per ASN: 13.77 AfriNIC Region origin ASes announcing only one prefix: 159 AfriNIC Region transit ASes present in the Internet Routing Table: 113 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: 30837504 Equivalent to 1 /8s, 214 /16s and 139 /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 1911 11097 669 Korea Telecom (KIX) 17974 1637 503 36 PT Telekomunikasi Indonesia 7545 1636 303 85 TPG Internet Pty Ltd 4755 1518 385 157 TATA Communications formerly 9829 1161 988 32 National Internet Backbone 9583 1123 82 483 Sify Limited 7552 1079 1062 11 Vietel Corporation 24560 1014 385 167 Bharti Airtel Ltd., Telemedia 4808 982 1947 278 CNCGROUP IP network China169 18101 951 131 156 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 7029 3463 1042 210 Windstream Communications Inc 6389 3444 3807 202 BellSouth.net Inc. 18566 2094 382 177 Covad Communications Co. 1785 1868 680 124 PaeTec Communications, Inc. 20115 1626 1552 627 Charter Communications 4323 1608 1078 384 tw telecom holdings, inc. 22773 1498 2910 109 Cox Communications Inc. 30036 1404 245 747 Mediacom Communications Corp 19262 1384 4683 400 Verizon Online LLC 7018 1315 7040 859 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 1620 480 15 Corbina telecom 2118 1391 99 14 EUnet/RELCOM Autonomous Syste 15557 1096 2161 64 NEUF CEGETEL (formerly LDCOM 34984 646 188 171 BILISIM TELEKOM 6830 639 1927 409 UPC Broadband 20940 597 194 470 Akamai Technologies European 8551 574 360 81 Bezeq International 12479 564 642 54 France Telecom Espana SA 9116 541 326 32 Goldenlines main autonomous s 31148 536 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 1735 323 170 Types of queries are: POCs, o 28573 1629 1085 69 Types of queries are: POCs, o 8151 1313 2976 339 Uninet S.A. de C.V. 7303 1261 757 180 Telecom Argentina S.A. 26615 885 664 33 Tim Celular S.A. 11172 699 111 76 Alestra, S. de R.L. de C.V. 27947 627 73 99 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 1212 958 13 TEDATA 24863 827 155 40 LINKdotNET AS number 6713 485 649 18 Itissalat Al-MAGHRIB 3741 280 939 229 The Internet Solution 15706 238 32 6 Sudatel Internet Exchange Aut 33776 237 13 13 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 24835 193 80 8 RAYA Telecom - Egypt 29571 189 17 11 Ci Telecom Autonomous system 36923 157 20 4 Swift Networks Limited 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 7029 3463 1042 210 Windstream Communications Inc 6389 3444 3807 202 BellSouth.net Inc. 18566 2094 382 177 Covad Communications Co. 4766 1911 11097 669 Korea Telecom (KIX) 1785 1868 680 124 PaeTec Communications, Inc. 10620 1735 323 170 Types of queries are: POCs, o 17974 1637 503 36 PT Telekomunikasi Indonesia 7545 1636 303 85 TPG Internet Pty Ltd 28573 1629 1085 69 Types of queries are: POCs, o 20115 1626 1552 627 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 6389 3444 3242 BellSouth.net Inc. 18566 2094 1917 Covad Communications Co. 1785 1868 1744 PaeTec Communications, Inc. 8402 1620 1605 Corbina telecom 17974 1637 1601 PT Telekomunikasi Indonesia 10620 1735 1565 Types of queries are: POCs, o 28573 1629 1560 Types of queries are: POCs, o 7545 1636 1551 TPG Internet Pty Ltd 22773 1498 1389 Cox Communications Inc. 2118 1391 1377 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 41.222.79.0/24 36938 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV 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 /12:231 /13:458 /14:816 /15:1468 /16:12094 /17:6158 /18:10230 /19:20427 /20:28063 /21:28787 /22:39044 /23:36570 /24:204657 /25:11 /26:21 /27:20 /28:153 /29:134 /30:66 /31:0 /32:138 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3072 3463 Windstream Communications Inc 6389 2113 3444 BellSouth.net Inc. 18566 2043 2094 Covad Communications Co. 10620 1629 1735 Types of queries are: POCs, o 8402 1599 1620 Corbina telecom 30036 1364 1404 Mediacom Communications Corp 11492 1117 1154 CABLE ONE, INC. 1785 1064 1868 PaeTec Communications, Inc. 15557 1046 1096 NEUF CEGETEL (formerly LDCOM 7011 1033 1149 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:497 2:452 4:14 5:1 6:3 8:382 12:1952 13:1 14:589 15:11 16:3 17:6 20:9 23:128 24:1721 27:1183 31:921 32:60 33:2 34:2 36:9 37:168 38:768 40:114 41:3132 42:92 44:3 46:1277 47:3 49:322 50:509 52:13 54:2 55:7 56:3 57:37 58:914 59:481 60:341 61:1087 62:929 63:1999 64:4143 65:2284 66:4422 67:2043 68:1171 69:3150 70:921 71:410 72:1796 74:2648 75:464 76:323 77:959 78:893 79:501 80:1218 81:865 82:568 83:528 84:581 85:1154 86:750 87:916 88:341 89:1543 90:257 91:4431 92:539 93:1543 94:1364 95:1110 96:412 97:310 98:806 99:38 100:4 101:139 103:743 106:9 107:142 108:145 109:1475 110:690 111:842 112:414 113:522 114:595 115:744 116:856 117:706 118:902 119:1240 120:359 121:651 122:1583 123:1066 124:1303 125:1312 128:494 129:181 130:208 131:584 132:163 133:21 134:221 135:59 136:212 137:150 138:285 139:144 140:460 141:260 142:361 143:392 144:514 145:70 146:477 147:227 148:699 149:273 150:160 151:195 152:444 153:170 154:6 155:413 156:205 157:336 158:155 159:440 160:328 161:226 162:338 163:177 164:527 165:395 166:555 167:457 168:759 169:146 170:832 171:108 172:10 173:1743 174:595 175:414 176:472 177:481 178:1241 180:1174 181:64 182:695 183:277 184:430 185:1 186:2025 187:835 188:1036 189:1169 190:5434 192:5940 193:5527 194:4328 195:3382 196:1270 197:181 198:3567 199:4321 200:5602 201:1730 202:8204 203:8506 204:4264 205:2424 206:2655 207:2746 208:4044 209:3547 210:2671 211:1447 212:1990 213:1831 214:855 215:92 216:4956 217:1470 218:538 219:337 220:1219 221:542 222:297 223:260 End of report