Routing Table Report 08:00 +10GMT Thu 27 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 420094 Prefixes after maximum aggregation: 176269 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 209249 Total ASes present in the Internet Routing Table: 39106 Prefixes per ASN: 10.74 Origin-only ASes present in the Internet Routing Table: 33652 Origin ASes announcing only one prefix: 15787 Transit ASes present in the Internet Routing Table: 5454 Transit-only ASes present in the Internet Routing Table: 126 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 25 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1401 Unregistered ASNs in the Routing Table: 303 Number of 32-bit ASNs allocated by the RIRs: 3325 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 7857 Special use prefixes present in the Routing Table: 17 Prefixes being announced from unallocated address space: 182 Number of addresses announced to Internet: 2618838016 Equivalent to 156 /8s, 24 /16s and 76 /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: 145984 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97432 Total APNIC prefixes after maximum aggregation: 31019 APNIC Deaggregation factor: 3.14 Prefixes being announced from the APNIC address blocks: 98647 Unique aggregates announced from the APNIC address blocks: 42743 APNIC Region origin ASes present in the Internet Routing Table: 4714 APNIC Prefixes per ASN: 20.93 APNIC Region origin ASes announcing only one prefix: 1264 APNIC Region transit ASes present in the Internet Routing Table: 745 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: 706241024 Equivalent to 42 /8s, 24 /16s and 98 /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: 152920 Total ARIN prefixes after maximum aggregation: 77584 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153813 Unique aggregates announced from the ARIN address blocks: 69059 ARIN Region origin ASes present in the Internet Routing Table: 15184 ARIN Prefixes per ASN: 10.13 ARIN Region origin ASes announcing only one prefix: 5755 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: 1084406784 Equivalent to 64 /8s, 162 /16s and 188 /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: 108347 Total RIPE prefixes after maximum aggregation: 57080 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 110916 Unique aggregates announced from the RIPE address blocks: 71393 RIPE Region origin ASes present in the Internet Routing Table: 16842 RIPE Prefixes per ASN: 6.59 RIPE Region origin ASes announcing only one prefix: 8146 RIPE Region transit ASes present in the Internet Routing Table: 2674 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 646982400 Equivalent to 38 /8s, 144 /16s and 43 /24s Percentage of available RIPE address space announced: 94.1 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: 43112 Total LACNIC prefixes after maximum aggregation: 8307 LACNIC Deaggregation factor: 5.19 Prefixes being announced from the LACNIC address blocks: 46333 Unique aggregates announced from the LACNIC address blocks: 22375 LACNIC Region origin ASes present in the Internet Routing Table: 1643 LACNIC Prefixes per ASN: 28.20 LACNIC Region origin ASes announcing only one prefix: 447 LACNIC Region transit ASes present in the Internet Routing Table: 308 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: 116731136 Equivalent to 6 /8s, 245 /16s and 45 /24s Percentage of available LACNIC address space announced: 69.6 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: 9738 Total AfriNIC prefixes after maximum aggregation: 2222 AfriNIC Deaggregation factor: 4.38 Prefixes being announced from the AfriNIC address blocks: 10202 Unique aggregates announced from the AfriNIC address blocks: 3519 AfriNIC Region origin ASes present in the Internet Routing Table: 564 AfriNIC Prefixes per ASN: 18.09 AfriNIC Region origin ASes announcing only one prefix: 175 AfriNIC Region transit ASes present in the Internet Routing Table: 128 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: 41873408 Equivalent to 2 /8s, 126 /16s and 240 /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 2355 702 54 PT Telekomunikasi Indonesia 4766 2115 11421 606 Korea Telecom (KIX) 7545 1756 301 88 TPG Internet Pty Ltd 4755 1601 387 161 TATA Communications formerly 9829 1336 1106 41 National Internet Backbone 9583 1184 88 516 Sify Limited 7552 1130 1062 11 Vietel Corporation 24560 1040 386 160 Bharti Airtel Ltd., Telemedia 18101 1016 135 169 Reliance Infocom Ltd Internet 9498 1015 310 74 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 3300 3731 181 BellSouth.net Inc. 7029 3164 990 161 Windstream Communications Inc 18566 2085 382 180 Covad Communications Co. 1785 1920 678 128 PaeTec Communications, Inc. 22773 1887 2931 128 Cox Communications Inc. 20115 1662 1582 615 Charter Communications 4323 1573 1169 386 tw telecom holdings, inc. 30036 1387 275 730 Mediacom Communications Corp 7018 1260 10336 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 1636 544 16 Corbina telecom 2118 1399 97 14 EUnet/RELCOM Autonomous Syste 12479 846 775 74 France Telecom Espana SA 34984 772 206 181 BILISIM TELEKOM 6830 725 2313 449 UPC Broadband 31148 709 37 9 FreeNet ISP 13188 694 92 153 Ukraine 20940 682 221 540 Akamai Technologies European 58113 631 70 366 LIR DATACENTER TELECOM SRL 8551 595 364 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 2105 1249 57 Types of queries are: POCs, o 7303 1561 1034 199 Telecom Argentina S.A. 6503 1528 435 70 Axtel, S.A.B. de C.V. 8151 1444 3026 342 Uninet S.A. de C.V. 27947 700 74 87 Telconet S.A 3816 643 310 52 Types of queries are: POCs, o 6458 631 81 15 Telgua 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 812 275 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 737 958 13 TEDATA 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 264 904 224 The Internet Solution 33776 229 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 3300 3731 181 BellSouth.net Inc. 7029 3164 990 161 Windstream Communications Inc 17974 2355 702 54 PT Telekomunikasi Indonesia 10620 2164 370 219 Types of queries are: POCs, o 4766 2115 11421 606 Korea Telecom (KIX) 28573 2105 1249 57 Types of queries are: POCs, o 18566 2085 382 180 Covad Communications Co. 1785 1920 678 128 PaeTec Communications, Inc. 22773 1887 2931 128 Cox Communications Inc. 7545 1756 301 88 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 2355 2301 PT Telekomunikasi Indonesia 28573 2105 2048 Types of queries are: POCs, o 10620 2164 1945 Types of queries are: POCs, o 18566 2085 1905 Covad Communications Co. 1785 1920 1792 PaeTec Communications, Inc. 22773 1887 1759 Cox Communications Inc. 7545 1756 1668 TPG Internet Pty Ltd 8402 1636 1620 Corbina telecom 4766 2115 1509 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 128.0.128.0/20 29285 AMT closed joint-stock compan 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 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 /11:86 /12:240 /13:474 /14:848 /15:1551 /16:12353 /17:6482 /18:10772 /19:21053 /20:30253 /21:32113 /22:42174 /23:39574 /24:221518 /25:9 /26:13 /27:9 /28:139 /29:157 /30:85 /31:0 /32:128 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2647 3164 Windstream Communications Inc 18566 2035 2085 Covad Communications Co. 6389 1840 3300 BellSouth.net Inc. 8402 1348 1636 Corbina telecom 30036 1321 1387 Mediacom Communications Corp 22773 1229 1887 Cox Communications Inc. 11492 1162 1199 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) ---------------------------------------------- 1:576 2:629 3:1 4:13 5:533 6:3 8:462 12:1988 13:1 14:649 15:11 16:3 17:6 20:27 23:202 24:1782 27:1333 31:1038 32:49 33:2 34:2 36:7 37:808 38:821 39:2 40:133 41:3074 42:158 44:3 46:1588 47:2 49:481 50:591 52:13 54:21 55:8 56:1 57:31 58:933 59:534 60:232 61:1179 62:950 63:1979 64:4259 65:2237 66:4493 67:2056 68:1166 69:3234 70:983 71:510 72:1874 74:2628 75:485 76:314 77:958 78:949 79:491 80:1231 81:971 82:638 83:534 84:517 85:1157 86:495 87:925 88:363 89:1820 90:303 91:5229 92:598 93:1424 94:1627 95:1191 96:418 97:322 98:976 99:36 100:23 101:260 103:1558 105:512 106:118 107:198 108:445 109:1524 110:807 111:965 112:439 113:710 114:623 115:874 116:872 117:734 118:957 119:1192 120:301 121:677 122:1592 123:1163 124:1292 125:1273 128:529 129:178 130:269 131:609 132:299 133:22 134:240 135:61 136:215 137:236 138:337 139:169 140:470 141:279 142:466 143:342 144:468 145:81 146:509 147:262 148:733 149:324 150:148 151:194 152:448 153:178 154:19 155:404 156:221 157:327 158:258 159:579 160:342 161:386 162:362 163:180 164:683 165:417 166:529 167:554 168:964 169:125 170:908 171:165 172:6 173:1687 174:621 175:443 176:766 177:1257 178:1610 180:1366 181:137 182:1042 183:294 184:605 185:6 186:2200 187:1265 188:1693 189:1573 190:6003 192:5981 193:5729 194:4554 195:3466 196:1215 197:227 198:3766 199:4992 200:5938 201:1979 202:8537 203:8627 204:4351 205:2520 206:2667 207:2780 208:4057 209:3639 210:2776 211:1523 212:2009 213:1820 214:880 215:85 216:5106 217:1537 218:559 219:298 220:1242 221:513 222:302 223:400 End of report