Routing Table Report 08:00 +10GMT Fri 28 Sep, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 420383 Prefixes after maximum aggregation: 176515 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 209318 Total ASes present in the Internet Routing Table: 39138 Prefixes per ASN: 10.74 Origin-only ASes present in the Internet Routing Table: 33677 Origin ASes announcing only one prefix: 15792 Transit ASes present in the Internet Routing Table: 5461 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: 28 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1406 Unregistered ASNs in the Routing Table: 304 Number of 32-bit ASNs allocated by the RIRs: 3331 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: 16 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2621647616 Equivalent to 156 /8s, 67 /16s and 43 /24s Percentage of available address space announced: 70.8 Percentage of allocated address space announced: 70.8 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: 146102 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97287 Total APNIC prefixes after maximum aggregation: 31034 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 98512 Unique aggregates announced from the APNIC address blocks: 42776 APNIC Region origin ASes present in the Internet Routing Table: 4713 APNIC Prefixes per ASN: 20.90 APNIC Region origin ASes announcing only one prefix: 1264 APNIC Region transit ASes present in the Internet Routing Table: 741 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: 706428416 Equivalent to 42 /8s, 27 /16s and 62 /24s Percentage of available APNIC address space announced: 82.6 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-133119 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: 153082 Total ARIN prefixes after maximum aggregation: 77677 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153961 Unique aggregates announced from the ARIN address blocks: 69080 ARIN Region origin ASes present in the Internet Routing Table: 15187 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5758 ARIN Region transit ASes present in the Internet Routing Table: 1528 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: 1086773504 Equivalent to 64 /8s, 198 /16s and 217 /24s Percentage of available ARIN address space announced: 57.5 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: 108480 Total RIPE prefixes after maximum aggregation: 57145 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 111074 Unique aggregates announced from the RIPE address blocks: 71343 RIPE Region origin ASes present in the Internet Routing Table: 16868 RIPE Prefixes per ASN: 6.58 RIPE Region origin ASes announcing only one prefix: 8144 RIPE Region transit ASes present in the Internet Routing Table: 2683 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: 647234304 Equivalent to 38 /8s, 148 /16s and 3 /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: 43187 Total LACNIC prefixes after maximum aggregation: 8372 LACNIC Deaggregation factor: 5.16 Prefixes being announced from the LACNIC address blocks: 46401 Unique aggregates announced from the LACNIC address blocks: 22446 LACNIC Region origin ASes present in the Internet Routing Table: 1647 LACNIC Prefixes per ASN: 28.17 LACNIC Region origin ASes announcing only one prefix: 450 LACNIC Region transit ASes present in the Internet Routing Table: 307 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: 116762368 Equivalent to 6 /8s, 245 /16s and 167 /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: 9789 Total AfriNIC prefixes after maximum aggregation: 2230 AfriNIC Deaggregation factor: 4.39 Prefixes being announced from the AfriNIC address blocks: 10264 Unique aggregates announced from the AfriNIC address blocks: 3532 AfriNIC Region origin ASes present in the Internet Routing Table: 564 AfriNIC Prefixes per ASN: 18.20 AfriNIC Region origin ASes announcing only one prefix: 176 AfriNIC Region transit ASes present in the Internet Routing Table: 127 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: 41881088 Equivalent to 2 /8s, 127 /16s and 14 /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 2353 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 1188 88 516 Sify Limited 7552 1101 1062 11 Vietel Corporation 24560 1037 385 159 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 3298 3731 180 BellSouth.net Inc. 7029 3164 990 161 Windstream Communications Inc 18566 2085 382 180 Covad Communications Co. 1785 1921 678 128 PaeTec Communications, Inc. 22773 1887 2931 128 Cox Communications Inc. 20115 1656 1581 617 Charter Communications 4323 1574 1169 386 tw telecom holdings, inc. 30036 1387 275 730 Mediacom Communications Corp 7018 1265 10337 845 AT&T Services, Inc. 7011 1205 329 699 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 1624 544 16 Corbina telecom 2118 1399 97 14 EUnet/RELCOM Autonomous Syste 12479 846 775 74 France Telecom Espana SA 34984 782 206 181 BILISIM TELEKOM 6830 725 2313 449 UPC Broadband 31148 710 37 9 FreeNet ISP 13188 694 92 153 Ukraine 20940 666 216 531 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 2190 376 220 Types of queries are: POCs, o 28573 2143 1251 56 Types of queries are: POCs, o 7303 1561 1034 199 Telecom Argentina S.A. 6503 1522 435 70 Axtel, S.A.B. de C.V. 8151 1443 3025 341 Uninet S.A. de C.V. 27947 700 74 87 Telconet S.A 3816 643 309 51 Types of queries are: POCs, o 6458 620 81 15 Telgua 11172 591 101 69 Alestra, S. de R.L. de C.V. 14420 588 87 102 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 890 275 36 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 730 958 13 TEDATA 6713 517 650 19 Itissalat Al-MAGHRIB 24835 269 80 8 RAYA Telecom - Egypt 3741 264 904 224 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15706 192 32 6 Sudatel Internet Exchange Aut 29975 191 667 21 Vodacom 33776 189 12 13 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 3298 3731 180 BellSouth.net Inc. 7029 3164 990 161 Windstream Communications Inc 17974 2353 702 54 PT Telekomunikasi Indonesia 10620 2190 376 220 Types of queries are: POCs, o 28573 2143 1251 56 Types of queries are: POCs, o 4766 2115 11421 606 Korea Telecom (KIX) 18566 2085 382 180 Covad Communications Co. 1785 1921 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 2353 2299 PT Telekomunikasi Indonesia 28573 2143 2087 Types of queries are: POCs, o 10620 2190 1970 Types of queries are: POCs, o 18566 2085 1905 Covad Communications Co. 1785 1921 1793 PaeTec Communications, Inc. 22773 1887 1759 Cox Communications Inc. 7545 1756 1668 TPG Internet Pty Ltd 8402 1624 1608 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 128.0.176.0/20 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 /11:87 /12:240 /13:475 /14:849 /15:1558 /16:12370 /17:6495 /18:10778 /19:21061 /20:30233 /21:32129 /22:42256 /23:39653 /24:221581 /25:9 /26:13 /27:10 /28:141 /29:160 /30:86 /31:0 /32:136 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 1839 3298 BellSouth.net Inc. 8402 1355 1624 Corbina telecom 30036 1321 1387 Mediacom Communications Corp 22773 1229 1887 Cox Communications Inc. 11492 1164 1201 CABLE ONE, INC. 6503 1044 1522 Axtel, S.A.B. de C.V. 1785 1017 1921 PaeTec Communications, Inc. 7011 944 1205 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:583 2:632 3:1 4:13 5:540 6:3 8:463 12:1986 13:1 14:648 15:11 16:3 17:6 20:27 23:200 24:1779 27:1339 31:1031 32:49 33:2 34:2 36:7 37:819 38:824 39:2 40:133 41:3043 42:158 44:3 46:1587 47:2 49:469 50:590 52:13 54:21 55:8 56:1 57:31 58:931 59:534 60:232 61:1179 62:950 63:1979 64:4262 65:2238 66:4501 67:2088 68:1166 69:3224 70:987 71:509 72:1871 74:2597 75:485 76:315 77:960 78:952 79:492 80:1245 81:971 82:637 83:532 84:517 85:1157 86:499 87:927 88:361 89:1823 90:303 91:5233 92:597 93:1423 94:1637 95:1197 96:417 97:322 98:978 99:36 100:23 101:261 103:1554 105:512 106:118 107:198 108:446 109:1526 110:805 111:968 112:439 113:710 114:624 115:878 116:873 117:734 118:904 119:1172 120:301 121:678 122:1589 123:1163 124:1293 125:1276 128:510 129:178 130:268 131:628 132:303 133:22 134:240 135:61 136:218 137:236 138:337 139:169 140:469 141:279 142:467 143:379 144:487 145:81 146:508 147:261 148:732 149:324 150:147 151:192 152:449 153:178 154:19 155:436 156:221 157:327 158:258 159:580 160:344 161:385 162:362 163:178 164:684 165:417 166:528 167:554 168:963 169:125 170:908 171:166 172:6 173:1685 174:612 175:442 176:783 177:1245 178:1612 180:1347 181:137 182:1045 183:295 184:604 185:6 186:2196 187:1265 188:1693 189:1587 190:6027 192:5981 193:5728 194:4560 195:3483 196:1219 197:228 198:3769 199:4989 200:5941 201:1980 202:8490 203:8624 204:4351 205:2514 206:2670 207:2783 208:4060 209:3640 210:2778 211:1520 212:2007 213:1822 214:886 215:86 216:5101 217:1557 218:556 219:298 220:1241 221:508 222:302 223:405 End of report