Routing Table Report 08:00 +10GMT Sun 10 Mar, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 438371 Prefixes after maximum aggregation: 181104 Deaggregation factor: 2.42 Unique aggregates announced to Internet: 218619 Total ASes present in the Internet Routing Table: 39904 Prefixes per ASN: 10.99 Origin-only ASes present in the Internet Routing Table: 34287 Origin ASes announcing only one prefix: 16012 Transit ASes present in the Internet Routing Table: 5609 Transit-only ASes present in the Internet Routing Table: 113 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 28730) 25 Prefixes from unregistered ASNs in the Routing Table: 946 Unregistered ASNs in the Routing Table: 163 Number of 32-bit ASNs allocated by the RIRs: 4598 Number of 32-bit ASNs visible in the Routing Table: 8 Prefixes from 32-bit ASNs in the Routing Table: 9559 Special use prefixes present in the Routing Table: 23 Prefixes being announced from unallocated address space: 197 Number of addresses announced to Internet: 2642471168 Equivalent to 157 /8s, 128 /16s and 233 /24s Percentage of available address space announced: 71.4 Percentage of allocated address space announced: 71.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.3 Total number of prefixes smaller than registry allocations: 153401 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 101351 Total APNIC prefixes after maximum aggregation: 31752 APNIC Deaggregation factor: 3.19 Prefixes being announced from the APNIC address blocks: 103104 Unique aggregates announced from the APNIC address blocks: 43987 APNIC Region origin ASes present in the Internet Routing Table: 4762 APNIC Prefixes per ASN: 21.65 APNIC Region origin ASes announcing only one prefix: 1256 APNIC Region transit ASes present in the Internet Routing Table: 775 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1 Number of APNIC addresses announced to Internet: 717934592 Equivalent to 42 /8s, 202 /16s and 208 /24s Percentage of available APNIC address space announced: 83.9 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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, 150/8, 153/8, 163/8, 171/8, 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: 154839 Total ARIN prefixes after maximum aggregation: 78685 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 155563 Unique aggregates announced from the ARIN address blocks: 71389 ARIN Region origin ASes present in the Internet Routing Table: 15470 ARIN Prefixes per ASN: 10.06 ARIN Region origin ASes announcing only one prefix: 5882 ARIN Region transit ASes present in the Internet Routing Table: 1549 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: 2 Number of ARIN addresses announced to Internet: 1078013184 Equivalent to 64 /8s, 65 /16s and 45 /24s Percentage of available ARIN address space announced: 57.0 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, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 114394 Total RIPE prefixes after maximum aggregation: 58967 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 117710 Unique aggregates announced from the RIPE address blocks: 75352 RIPE Region origin ASes present in the Internet Routing Table: 17074 RIPE Prefixes per ASN: 6.89 RIPE Region origin ASes announcing only one prefix: 8147 RIPE Region transit ASes present in the Internet Routing Table: 2753 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1 Number of RIPE addresses announced to Internet: 654301696 Equivalent to 38 /8s, 255 /16s and 218 /24s Percentage of available RIPE address space announced: 95.1 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 59392-61439, 196608-199679 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 46606 Total LACNIC prefixes after maximum aggregation: 9223 LACNIC Deaggregation factor: 5.05 Prefixes being announced from the LACNIC address blocks: 50358 Unique aggregates announced from the LACNIC address blocks: 23981 LACNIC Region origin ASes present in the Internet Routing Table: 1843 LACNIC Prefixes per ASN: 27.32 LACNIC Region origin ASes announcing only one prefix: 548 LACNIC Region transit ASes present in the Internet Routing Table: 332 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3 Number of LACNIC addresses announced to Internet: 124204288 Equivalent to 7 /8s, 103 /16s and 53 /24s Percentage of available LACNIC address space announced: 74.0 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, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 10854 Total AfriNIC prefixes after maximum aggregation: 2426 AfriNIC Deaggregation factor: 4.47 Prefixes being announced from the AfriNIC address blocks: 11438 Unique aggregates announced from the AfriNIC address blocks: 3729 AfriNIC Region origin ASes present in the Internet Routing Table: 604 AfriNIC Prefixes per ASN: 18.94 AfriNIC Region origin ASes announcing only one prefix: 179 AfriNIC Region transit ASes present in the Internet Routing Table: 126 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: 1 Number of AfriNIC addresses announced to Internet: 45369856 Equivalent to 2 /8s, 180 /16s and 74 /24s Percentage of available AfriNIC address space announced: 45.1 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 17974 2485 838 83 PT Telekomunikasi Indonesia 4766 2119 11550 626 Korea Telecom (KIX) 7545 1825 301 90 TPG Internet Pty Ltd 4755 1679 390 188 TATA Communications formerly 9829 1452 1158 43 National Internet Backbone 9583 1204 91 506 Sify Limited 7552 1152 1070 12 Vietel Corporation 9498 1067 310 75 BHARTI Airtel Ltd. 24560 1058 385 161 Bharti Airtel Ltd., Telemedia 18101 1008 135 171 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 3049 3695 95 BellSouth.net Inc. 7029 2145 1266 215 Windstream Communications Inc 18566 2077 382 183 Covad Communications Co. 22773 1987 2929 124 Cox Communications Inc. 1785 1957 677 123 PaeTec Communications, Inc. 20115 1680 1611 620 Charter Communications 4323 1608 1155 400 tw telecom holdings, inc. 30036 1344 291 684 Mediacom Communications Corp 7018 1311 10841 859 AT&T Services, Inc. 11492 1207 221 334 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 1755 544 16 Corbina telecom 2118 1116 97 13 EUnet/RELCOM Autonomous Syste 34984 1086 233 207 BILISIM TELEKOM 13188 839 99 30 Ukraine 12479 835 784 69 France Telecom Espana SA 8551 786 370 43 Bezeq International 31148 767 40 18 FreeNet ISP 20940 766 262 610 Akamai Technologies European 6830 714 2313 435 UPC Broadband 58113 632 70 377 LIR DATACENTER TELECOM SRL 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 28573 2420 1332 85 Types of queries are: POCs, o 10620 2345 403 228 Types of queries are: POCs, o 7303 1681 1147 207 Telecom Argentina S.A. 6503 1251 435 70 Axtel, S.A.B. de C.V. 8151 1202 2721 392 Uninet S.A. de C.V. 14754 944 129 77 Telgua 18881 810 716 18 Global Village Telecom 27947 765 87 94 Telconet S.A 3816 692 307 87 Types of queries are: POCs, o 7738 650 1306 35 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 36998 1286 80 4 MOBITEL 24863 894 274 34 LINKdotNET AS number 6713 535 615 23 Itissalat Al-MAGHRIB 8452 517 958 13 TEDATA 24835 342 80 8 RAYA Telecom - Egypt 3741 262 906 220 The Internet Solution 12258 193 28 67 Vodacom Internet Company 37054 193 11 5 Data Telecom Service 15706 191 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 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 3049 3695 95 BellSouth.net Inc. 17974 2485 838 83 PT Telekomunikasi Indonesia 28573 2420 1332 85 Types of queries are: POCs, o 10620 2345 403 228 Types of queries are: POCs, o 7029 2145 1266 215 Windstream Communications Inc 4766 2119 11550 626 Korea Telecom (KIX) 18566 2077 382 183 Covad Communications Co. 22773 1987 2929 124 Cox Communications Inc. 1785 1957 677 123 PaeTec Communications, Inc. 7545 1825 301 90 TPG Internet Pty Ltd Complete listing at http://thyme.rand.apnic.net/london/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 17974 2485 2402 PT Telekomunikasi Indonesia 28573 2420 2335 Types of queries are: POCs, o 10620 2345 2117 Types of queries are: POCs, o 7029 2145 1930 Windstream Communications Inc 18566 2077 1894 Covad Communications Co. 22773 1987 1863 Cox Communications Inc. 1785 1957 1834 PaeTec Communications, Inc. 8402 1755 1739 Corbina telecom 7545 1825 1735 TPG Internet Pty Ltd 4766 2119 1493 Korea Telecom (KIX) 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. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc. 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T Services, Inc. 17300 UNALLOCATED 12.45.103.0/24 209 Qwest Communications 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 128.0.0.0/24 2876 Jump Management SRL 128.0.16.0/21 43568 Romerike Bredband AS 128.0.24.0/21 41794 Sibirskie Seti Ltd. 128.0.60.0/23 57417 INTERNET TASMANIA SRL 128.0.62.0/23 57417 INTERNET TASMANIA SRL 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.96.0/21 12886 LEWTelNet GmbH 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol Complete listing at http://thyme.rand.apnic.net/london/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 41.222.80.0/21 37110 Moztel LDA 62.12.96.0/19 38478 SunnyVision Limited 62.61.220.0/24 24974 Tachyon Europe BV 62.61.221.0/24 24974 Tachyon Europe BV 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 27431 JTL Networks Inc. 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 /8:18 /9:13 /10:30 /11:88 /12:249 /13:480 /14:867 /15:1561 /16:12589 /17:6641 /18:10848 /19:21692 /20:31405 /21:33456 /22:45545 /23:41079 /24:231200 /25:9 /26:11 /27:12 /28:142 /29:195 /30:100 /31:0 /32:141 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2027 2077 Covad Communications Co. 6389 1751 3049 BellSouth.net Inc. 7029 1563 2145 Windstream Communications Inc 8402 1483 1755 Corbina telecom 22773 1302 1987 Cox Communications Inc. 36998 1280 1286 MOBITEL 30036 1228 1344 Mediacom Communications Corp 11492 1169 1207 CABLE ONE, INC. 1785 1038 1957 PaeTec Communications, Inc. 7011 952 1200 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:683 2:728 3:3 4:13 5:693 6:3 8:502 12:1931 13:3 14:726 15:11 16:3 17:8 20:24 23:248 24:1794 27:1461 31:1165 32:49 33:2 34:5 36:27 37:1331 38:853 39:2 40:159 41:2834 42:176 44:4 46:1752 47:1 49:609 50:654 52:12 54:28 55:10 57:31 58:1002 59:565 60:290 61:1338 62:1053 63:2038 64:4291 65:2170 66:4227 67:2056 68:1103 69:3263 70:863 71:522 72:1898 74:2549 75:407 76:287 77:1083 78:1029 79:567 80:1233 81:971 82:646 83:556 84:557 85:1160 86:476 87:939 88:375 89:1757 90:262 91:5426 92:602 93:1741 94:1865 95:1601 96:497 97:336 98:1036 99:37 100:28 101:300 103:2244 105:517 106:131 107:207 108:495 109:1798 110:827 111:1016 112:486 113:749 114:682 115:911 116:860 117:789 118:1008 119:1226 120:367 121:688 122:1697 123:1182 124:1286 125:1315 128:503 129:191 130:309 131:635 132:317 133:143 134:244 135:62 136:48 137:236 138:342 139:167 140:172 141:300 142:509 143:376 144:486 145:88 146:510 147:348 148:686 149:354 150:150 151:435 152:402 153:195 154:30 155:376 156:246 157:346 158:266 159:632 160:335 161:402 162:374 163:192 164:575 165:448 166:393 167:574 168:1005 169:129 170:1023 171:167 172:4 173:1586 174:577 175:419 176:1157 177:1735 178:1763 179:1 180:1372 181:270 182:1191 183:335 184:658 185:280 186:2305 187:1292 188:1926 189:1445 190:6646 192:6336 193:5669 194:4512 195:3482 196:1313 197:954 198:4145 199:5212 200:5945 201:2212 202:8600 203:8633 204:4416 205:2526 206:2685 207:2701 208:4065 209:3514 210:2782 211:1551 212:2040 213:1970 214:906 215:97 216:5166 217:1576 218:590 219:308 220:1259 221:546 222:314 223:471 End of report