Routing Table Report 08:00 +10GMT Fri 21 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 419661 Prefixes after maximum aggregation: 176109 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 208190 Total ASes present in the Internet Routing Table: 39083 Prefixes per ASN: 10.74 Origin-only ASes present in the Internet Routing Table: 33640 Origin ASes announcing only one prefix: 15789 Transit ASes present in the Internet Routing Table: 5443 Transit-only ASes present in the Internet Routing Table: 122 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 28 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1371 Unregistered ASNs in the Routing Table: 292 Number of 32-bit ASNs allocated by the RIRs: 3302 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 7714 Special use prefixes present in the Routing Table: 15 Prefixes being announced from unallocated address space: 176 Number of addresses announced to Internet: 2617317632 Equivalent to 156 /8s, 1 /16s and 25 /24s Percentage of available address space announced: 70.7 Percentage of allocated address space announced: 70.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.7 Total number of prefixes smaller than registry allocations: 145677 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97405 Total APNIC prefixes after maximum aggregation: 30973 APNIC Deaggregation factor: 3.14 Prefixes being announced from the APNIC address blocks: 98611 Unique aggregates announced from the APNIC address blocks: 42728 APNIC Region origin ASes present in the Internet Routing Table: 4708 APNIC Prefixes per ASN: 20.95 APNIC Region origin ASes announcing only one prefix: 1269 APNIC Region transit ASes present in the Internet Routing Table: 737 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 706059264 Equivalent to 42 /8s, 21 /16s and 156 /24s Percentage of available APNIC address space announced: 82.5 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: 153002 Total ARIN prefixes after maximum aggregation: 77668 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153929 Unique aggregates announced from the ARIN address blocks: 69025 ARIN Region origin ASes present in the Internet Routing Table: 15189 ARIN Prefixes per ASN: 10.13 ARIN Region origin ASes announcing only one prefix: 5747 ARIN Region transit ASes present in the Internet Routing Table: 1524 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 1084254720 Equivalent to 64 /8s, 160 /16s and 106 /24s Percentage of available ARIN address space announced: 57.4 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: 107968 Total RIPE prefixes after maximum aggregation: 56849 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 110467 Unique aggregates announced from the RIPE address blocks: 70578 RIPE Region origin ASes present in the Internet Routing Table: 16839 RIPE Prefixes per ASN: 6.56 RIPE Region origin ASes announcing only one prefix: 8156 RIPE Region transit ASes present in the Internet Routing Table: 2677 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 646037760 Equivalent to 38 /8s, 129 /16s and 193 /24s Percentage of available RIPE address space announced: 93.9 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: 43049 Total LACNIC prefixes after maximum aggregation: 8354 LACNIC Deaggregation factor: 5.15 Prefixes being announced from the LACNIC address blocks: 46161 Unique aggregates announced from the LACNIC address blocks: 22187 LACNIC Region origin ASes present in the Internet Routing Table: 1633 LACNIC Prefixes per ASN: 28.27 LACNIC Region origin ASes announcing only one prefix: 446 LACNIC Region transit ASes present in the Internet Routing Table: 306 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: 116572416 Equivalent to 6 /8s, 242 /16s and 193 /24s Percentage of available LACNIC address space announced: 69.5 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, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 9827 Total AfriNIC prefixes after maximum aggregation: 2208 AfriNIC Deaggregation factor: 4.45 Prefixes being announced from the AfriNIC address blocks: 10316 Unique aggregates announced from the AfriNIC address blocks: 3525 AfriNIC Region origin ASes present in the Internet Routing Table: 559 AfriNIC Prefixes per ASN: 18.45 AfriNIC Region origin ASes announcing only one prefix: 171 AfriNIC Region transit ASes present in the Internet Routing Table: 126 Average AfriNIC Region AS path length visible: 3.5 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: 41828864 Equivalent to 2 /8s, 126 /16s and 66 /24s Percentage of available AfriNIC address space announced: 41.6 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 2347 702 54 PT Telekomunikasi Indonesia 4766 2112 11421 605 Korea Telecom (KIX) 7545 1752 301 86 TPG Internet Pty Ltd 4755 1598 387 161 TATA Communications formerly 9829 1335 1106 41 National Internet Backbone 9583 1180 87 513 Sify Limited 7552 1124 1062 11 Vietel Corporation 24560 1040 386 160 Bharti Airtel Ltd., Telemedia 18101 1015 135 169 Reliance Infocom Ltd Internet 9498 1012 310 73 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 3312 3733 185 BellSouth.net Inc. 7029 3164 990 161 Windstream Communications Inc 18566 2085 382 180 Covad Communications Co. 1785 1920 678 129 PaeTec Communications, Inc. 22773 1883 2931 129 Cox Communications Inc. 20115 1660 1580 615 Charter Communications 4323 1572 1169 385 tw telecom holdings, inc. 30036 1376 273 739 Mediacom Communications Corp 7018 1256 10335 840 AT&T Services, Inc. 7011 1204 329 698 Frontier Communications of Am 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 1611 544 16 Corbina telecom 2118 1399 97 14 EUnet/RELCOM Autonomous Syste 12479 844 774 77 France Telecom Espana SA 34984 774 206 181 BILISIM TELEKOM 6830 725 2313 449 UPC Broadband 31148 709 37 9 FreeNet ISP 20940 689 224 542 Akamai Technologies European 13188 680 99 40 Ukraine 58113 631 70 366 LIR DATACENTER TELECOM SRL 8551 598 364 61 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 2164 370 219 Types of queries are: POCs, o 28573 2136 1249 55 Types of queries are: POCs, o 7303 1564 1034 200 Telecom Argentina S.A. 6503 1514 435 70 Axtel, S.A.B. de C.V. 8151 1440 3013 341 Uninet S.A. de C.V. 27947 699 75 89 Telconet S.A 6458 679 81 15 Telgua 3816 643 310 52 Types of queries are: POCs, o 11172 595 101 69 Alestra, S. de R.L. de C.V. 14420 584 85 98 CORPORACION NACIONAL DE TELEC 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 24863 882 275 36 LINKdotNET AS number 8452 796 958 13 TEDATA 36998 772 48 3 MOBITEL 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 263 904 223 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 192 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 33776 191 13 11 Starcomms Nigeria 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 6389 3312 3733 185 BellSouth.net Inc. 7029 3164 990 161 Windstream Communications Inc 17974 2347 702 54 PT Telekomunikasi Indonesia 10620 2164 370 219 Types of queries are: POCs, o 28573 2136 1249 55 Types of queries are: POCs, o 4766 2112 11421 605 Korea Telecom (KIX) 18566 2085 382 180 Covad Communications Co. 1785 1920 678 129 PaeTec Communications, Inc. 22773 1883 2931 129 Cox Communications Inc. 7545 1752 301 86 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 7029 3164 3003 Windstream Communications Inc 17974 2347 2293 PT Telekomunikasi Indonesia 28573 2136 2081 Types of queries are: POCs, o 10620 2164 1945 Types of queries are: POCs, o 18566 2085 1905 Covad Communications Co. 1785 1920 1791 PaeTec Communications, Inc. 22773 1883 1754 Cox Communications Inc. 7545 1752 1666 TPG Internet Pty Ltd 8402 1611 1595 Corbina telecom 4766 2112 1507 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 59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS 59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS 59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG 59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB 59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o. 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 128.0.24.0/21 41794 Sibirskie Seti Ltd. 128.0.64.0/22 49466 Declic Telecom SAS 128.0.68.0/22 49466 Declic Telecom SAS 128.0.80.0/20 52041 Timer LTD 128.0.144.0/21 59675 >>UNKNOWN<< 128.0.168.0/21 15772 W-NET Kiev 128.0.170.0/24 24685 ISP Elencom autonomous system 128.0.176.0/20 30764 PODA s.r.o. 128.0.192.0/21 51483 SaSG GmbH & Co. KG 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 41.220.80.0/24 38925 G.I.T. TELECOM LIMITED 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 /8:19 /9:14 /10:30 /11:84 /12:237 /13:474 /14:846 /15:1558 /16:12371 /17:6497 /18:10762 /19:21057 /20:30248 /21:32037 /22:42094 /23:39625 /24:221156 /25:9 /26:14 /27:9 /28:142 /29:160 /30:84 /31:0 /32:134 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2646 3164 Windstream Communications Inc 18566 2035 2085 Covad Communications Co. 6389 1841 3312 BellSouth.net Inc. 8402 1340 1611 Corbina telecom 30036 1310 1376 Mediacom Communications Corp 22773 1226 1883 Cox Communications Inc. 11492 1161 1198 CABLE ONE, INC. 6503 1050 1514 Axtel, S.A.B. de C.V. 1785 1016 1920 PaeTec Communications, Inc. 7011 943 1204 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:587 2:621 3:1 4:13 5:512 6:3 8:453 12:1987 13:1 14:647 15:11 16:3 17:6 20:27 23:205 24:1789 27:1331 31:1034 32:49 33:2 34:2 36:7 37:788 38:824 39:2 40:133 41:3097 42:158 44:3 46:1575 47:2 49:481 50:585 52:13 54:20 55:8 56:1 57:34 58:929 59:535 60:233 61:1176 62:951 63:1991 64:4262 65:2239 66:4498 67:2049 68:1165 69:3212 70:985 71:508 72:1872 74:2601 75:485 76:314 77:957 78:958 79:490 80:1228 81:963 82:637 83:532 84:517 85:1152 86:486 87:923 88:363 89:1796 90:304 91:5205 92:580 93:1409 94:1622 95:1136 96:418 97:319 98:980 99:36 100:23 101:260 103:1539 105:512 106:118 107:198 108:438 109:1519 110:799 111:999 112:445 113:702 114:626 115:830 116:874 117:733 118:963 119:1223 120:301 121:676 122:1602 123:1167 124:1297 125:1274 128:512 129:177 130:271 131:619 132:303 133:22 134:239 135:61 136:217 137:236 138:338 139:169 140:471 141:281 142:468 143:375 144:494 145:81 146:510 147:265 148:736 149:322 150:149 151:172 152:449 153:178 154:19 155:437 156:223 157:327 158:261 159:573 160:342 161:390 162:363 163:180 164:681 165:416 166:529 167:553 168:962 169:124 170:908 171:157 172:7 173:1680 174:609 175:446 176:793 177:1226 178:1594 180:1356 181:134 182:1047 183:294 184:602 185:1 186:2229 187:1237 188:1670 189:1573 190:5995 192:5982 193:5740 194:4558 195:3445 196:1209 197:222 198:3748 199:4976 200:5886 201:1970 202:8511 203:8615 204:4353 205:2519 206:2668 207:2803 208:4059 209:3650 210:2771 211:1528 212:2005 213:1823 214:870 215:86 216:5117 217:1552 218:553 219:298 220:1237 221:513 222:301 223:386 End of report