Routing Table Report 08:00 +10GMT Sun 23 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 419714 Prefixes after maximum aggregation: 176180 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 208702 Total ASes present in the Internet Routing Table: 39081 Prefixes per ASN: 10.74 Origin-only ASes present in the Internet Routing Table: 33626 Origin ASes announcing only one prefix: 15793 Transit ASes present in the Internet Routing Table: 5455 Transit-only ASes present in the Internet Routing Table: 123 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: 1391 Unregistered ASNs in the Routing Table: 299 Number of 32-bit ASNs allocated by the RIRs: 3312 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 7767 Special use prefixes present in the Routing Table: 16 Prefixes being announced from unallocated address space: 175 Number of addresses announced to Internet: 2617805568 Equivalent to 156 /8s, 8 /16s and 139 /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: 145783 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97265 Total APNIC prefixes after maximum aggregation: 30966 APNIC Deaggregation factor: 3.14 Prefixes being announced from the APNIC address blocks: 98474 Unique aggregates announced from the APNIC address blocks: 42665 APNIC Region origin ASes present in the Internet Routing Table: 4703 APNIC Prefixes per ASN: 20.94 APNIC Region origin ASes announcing only one prefix: 1263 APNIC Region transit ASes present in the Internet Routing Table: 740 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: 706024448 Equivalent to 42 /8s, 21 /16s and 20 /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: 153074 Total ARIN prefixes after maximum aggregation: 77641 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153996 Unique aggregates announced from the ARIN address blocks: 69049 ARIN Region origin ASes present in the Internet Routing Table: 15193 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5760 ARIN Region transit ASes present in the Internet Routing Table: 1523 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: 1084483840 Equivalent to 64 /8s, 163 /16s and 233 /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: 108056 Total RIPE prefixes after maximum aggregation: 57006 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 110584 Unique aggregates announced from the RIPE address blocks: 71101 RIPE Region origin ASes present in the Internet Routing Table: 16842 RIPE Prefixes per ASN: 6.57 RIPE Region origin ASes announcing only one prefix: 8155 RIPE Region transit ASes present in the Internet Routing Table: 2687 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: 646322432 Equivalent to 38 /8s, 134 /16s and 25 /24s Percentage of available RIPE address space announced: 94.0 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: 43026 Total LACNIC prefixes after maximum aggregation: 8302 LACNIC Deaggregation factor: 5.18 Prefixes being announced from the LACNIC address blocks: 46169 Unique aggregates announced from the LACNIC address blocks: 22285 LACNIC Region origin ASes present in the Internet Routing Table: 1629 LACNIC Prefixes per ASN: 28.34 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 305 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: 116607744 Equivalent to 6 /8s, 243 /16s and 75 /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: 9830 Total AfriNIC prefixes after maximum aggregation: 2207 AfriNIC Deaggregation factor: 4.45 Prefixes being announced from the AfriNIC address blocks: 10315 Unique aggregates announced from the AfriNIC address blocks: 3456 AfriNIC Region origin ASes present in the Internet Routing Table: 557 AfriNIC Prefixes per ASN: 18.52 AfriNIC Region origin ASes announcing only one prefix: 170 AfriNIC Region transit ASes present in the Internet Routing Table: 123 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: 41802752 Equivalent to 2 /8s, 125 /16s and 220 /24s Percentage of available AfriNIC address space announced: 41.5 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 2356 702 54 PT Telekomunikasi Indonesia 4766 2110 11421 605 Korea Telecom (KIX) 7545 1751 301 85 TPG Internet Pty Ltd 4755 1599 387 161 TATA Communications formerly 9829 1336 1106 41 National Internet Backbone 9583 1196 88 514 Sify Limited 7552 1067 1062 11 Vietel Corporation 24560 1040 386 160 Bharti Airtel Ltd., Telemedia 18101 1015 135 169 Reliance Infocom Ltd Internet 9498 1013 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 3309 3733 185 BellSouth.net Inc. 7029 3166 990 161 Windstream Communications Inc 18566 2085 382 180 Covad Communications Co. 1785 1920 678 128 PaeTec Communications, Inc. 22773 1885 2931 128 Cox Communications Inc. 20115 1661 1580 614 Charter Communications 4323 1572 1169 385 tw telecom holdings, inc. 30036 1380 273 734 Mediacom Communications Corp 7018 1258 10335 842 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 1585 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 13188 692 92 161 Ukraine 20940 683 223 539 Akamai Technologies European 58113 631 70 366 LIR DATACENTER TELECOM SRL 8551 596 364 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 2159 370 219 Types of queries are: POCs, o 28573 2133 1249 55 Types of queries are: POCs, o 7303 1564 1034 200 Telecom Argentina S.A. 6503 1528 435 70 Axtel, S.A.B. de C.V. 8151 1435 3017 344 Uninet S.A. de C.V. 27947 696 74 87 Telconet S.A 6458 679 81 15 Telgua 3816 643 310 52 Types of queries are: POCs, o 11172 592 101 69 Alestra, S. de R.L. de C.V. 14420 587 86 101 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 798 958 13 TEDATA 36998 772 48 3 MOBITEL 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 264 904 224 The Internet Solution 33776 216 13 11 Starcomms Nigeria Limited 12258 194 28 66 Vodacom Internet Company 15706 192 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 3309 3733 185 BellSouth.net Inc. 7029 3166 990 161 Windstream Communications Inc 17974 2356 702 54 PT Telekomunikasi Indonesia 10620 2159 370 219 Types of queries are: POCs, o 28573 2133 1249 55 Types of queries are: POCs, o 4766 2110 11421 605 Korea Telecom (KIX) 18566 2085 382 180 Covad Communications Co. 1785 1920 678 128 PaeTec Communications, Inc. 22773 1885 2931 128 Cox Communications Inc. 7545 1751 301 85 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 3166 3005 Windstream Communications Inc 17974 2356 2302 PT Telekomunikasi Indonesia 28573 2133 2078 Types of queries are: POCs, o 10620 2159 1940 Types of queries are: POCs, o 18566 2085 1905 Covad Communications Co. 1785 1920 1792 PaeTec Communications, Inc. 22773 1885 1757 Cox Communications Inc. 7545 1751 1666 TPG Internet Pty Ltd 8402 1585 1569 Corbina telecom 4766 2110 1505 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<< 128.0.160.0/21 23456 32-bit ASN transition 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. 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 /14:847 /15:1559 /16:12368 /17:6479 /18:10768 /19:21053 /20:30182 /21:32063 /22:42120 /23:39610 /24:221258 /25:9 /26:14 /27:10 /28:140 /29:161 /30:86 /31:0 /32:129 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2647 3166 Windstream Communications Inc 18566 2035 2085 Covad Communications Co. 6389 1840 3309 BellSouth.net Inc. 30036 1314 1380 Mediacom Communications Corp 8402 1297 1585 Corbina telecom 22773 1228 1885 Cox Communications Inc. 11492 1160 1197 CABLE ONE, INC. 6503 1050 1528 Axtel, S.A.B. de C.V. 1785 1017 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) ---------------------------------------------- 1:584 2:622 3:1 4:13 5:510 6:3 8:456 12:1985 13:1 14:647 15:11 16:3 17:6 20:27 23:204 24:1787 27:1329 31:1038 32:49 33:2 34:2 36:7 37:791 38:824 39:2 40:133 41:3079 42:158 44:3 46:1578 47:2 49:480 50:590 52:13 54:20 55:8 56:1 57:34 58:930 59:535 60:232 61:1177 62:949 63:1993 64:4269 65:2238 66:4499 67:2048 68:1167 69:3228 70:987 71:510 72:1873 74:2599 75:485 76:315 77:957 78:948 79:491 80:1229 81:963 82:639 83:532 84:514 85:1156 86:486 87:926 88:363 89:1796 90:304 91:5222 92:596 93:1418 94:1626 95:1120 96:416 97:321 98:974 99:36 100:23 101:260 103:1535 105:512 106:118 107:198 108:439 109:1521 110:794 111:998 112:442 113:706 114:626 115:869 116:866 117:733 118:954 119:1220 120:299 121:676 122:1595 123:1165 124:1296 125:1274 128:530 129:177 130:270 131:627 132:303 133:22 134:239 135:61 136:217 137:236 138:338 139:169 140:470 141:280 142:466 143:378 144:483 145:81 146:510 147:261 148:740 149:322 150:149 151:172 152:447 153:178 154:19 155:437 156:223 157:327 158:259 159:575 160:342 161:389 162:361 163:180 164:677 165:415 166:528 167:553 168:961 169:124 170:906 171:165 172:6 173:1693 174:612 175:447 176:777 177:1230 178:1607 180:1363 181:136 182:1035 183:295 184:602 185:2 186:2183 187:1238 188:1668 189:1580 190:6021 192:5982 193:5717 194:4560 195:3456 196:1216 197:222 198:3761 199:4985 200:5887 201:1971 202:8514 203:8619 204:4355 205:2526 206:2674 207:2806 208:4055 209:3645 210:2769 211:1522 212:2012 213:1830 214:863 215:86 216:5115 217:1551 218:554 219:298 220:1241 221:513 222:301 223:401 End of report