Routing Table Report 08:00 +10GMT Thu 25 Oct, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/ Analysis Summary ---------------- BGP routing table entries examined: 422486 Prefixes after maximum aggregation: 177217 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 210951 Total ASes present in the Internet Routing Table: 39258 Prefixes per ASN: 10.76 Origin-only ASes present in the Internet Routing Table: 33765 Origin ASes announcing only one prefix: 15831 Transit ASes present in the Internet Routing Table: 5493 Transit-only ASes present in the Internet Routing Table: 132 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 39 Max AS path prepend of ASN ( 22394) 36 Prefixes from unregistered ASNs in the Routing Table: 1501 Unregistered ASNs in the Routing Table: 351 Number of 32-bit ASNs allocated by the RIRs: 3404 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 8142 Special use prefixes present in the Routing Table: 19 Prefixes being announced from unallocated address space: 173 Number of addresses announced to Internet: 2627722496 Equivalent to 156 /8s, 159 /16s and 221 /24s Percentage of available address space announced: 71.0 Percentage of allocated address space announced: 71.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 93.8 Total number of prefixes smaller than registry allocations: 146778 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 98205 Total APNIC prefixes after maximum aggregation: 31166 APNIC Deaggregation factor: 3.15 Prefixes being announced from the APNIC address blocks: 99589 Unique aggregates announced from the APNIC address blocks: 42811 APNIC Region origin ASes present in the Internet Routing Table: 4735 APNIC Prefixes per ASN: 21.03 APNIC Region origin ASes announcing only one prefix: 1271 APNIC Region transit ASes present in the Internet Routing Table: 744 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 709364736 Equivalent to 42 /8s, 72 /16s and 12 /24s Percentage of available APNIC address space announced: 82.9 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: 153170 Total ARIN prefixes after maximum aggregation: 77783 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 154007 Unique aggregates announced from the ARIN address blocks: 69473 ARIN Region origin ASes present in the Internet Routing Table: 15230 ARIN Prefixes per ASN: 10.11 ARIN Region origin ASes announcing only one prefix: 5780 ARIN Region transit ASes present in the Internet Routing Table: 1538 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 1087135232 Equivalent to 64 /8s, 204 /16s and 94 /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: 109044 Total RIPE prefixes after maximum aggregation: 57405 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 111715 Unique aggregates announced from the RIPE address blocks: 72179 RIPE Region origin ASes present in the Internet Routing Table: 16887 RIPE Prefixes per ASN: 6.62 RIPE Region origin ASes announcing only one prefix: 8141 RIPE Region transit ASes present in the Internet Routing Table: 2707 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: 648136192 Equivalent to 38 /8s, 161 /16s and 198 /24s Percentage of available RIPE address space announced: 94.2 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: 43458 Total LACNIC prefixes after maximum aggregation: 8561 LACNIC Deaggregation factor: 5.08 Prefixes being announced from the LACNIC address blocks: 46797 Unique aggregates announced from the LACNIC address blocks: 22860 LACNIC Region origin ASes present in the Internet Routing Table: 1672 LACNIC Prefixes per ASN: 27.99 LACNIC Region origin ASes announcing only one prefix: 468 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: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 118146304 Equivalent to 7 /8s, 10 /16s and 197 /24s Percentage of available LACNIC address space announced: 70.4 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: 9723 Total AfriNIC prefixes after maximum aggregation: 2247 AfriNIC Deaggregation factor: 4.33 Prefixes being announced from the AfriNIC address blocks: 10204 Unique aggregates announced from the AfriNIC address blocks: 3475 AfriNIC Region origin ASes present in the Internet Routing Table: 568 AfriNIC Prefixes per ASN: 17.96 AfriNIC Region origin ASes announcing only one prefix: 171 AfriNIC Region transit ASes present in the Internet Routing Table: 123 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: 0 Number of AfriNIC addresses announced to Internet: 42362624 Equivalent to 2 /8s, 134 /16s and 103 /24s Percentage of available AfriNIC address space announced: 42.1 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 2417 829 55 PT Telekomunikasi Indonesia 4766 2113 11550 604 Korea Telecom (KIX) 7545 1779 301 85 TPG Internet Pty Ltd 4755 1598 387 162 TATA Communications formerly 9829 1409 1154 41 National Internet Backbone 9583 1175 88 512 Sify Limited 24560 1033 382 170 Bharti Airtel Ltd., Telemedia 9498 1027 310 74 BHARTI Airtel Ltd. 7552 1024 1062 16 Vietel Corporation 18101 1018 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 3179 3724 164 BellSouth.net Inc. 7029 3132 989 161 Windstream Communications Inc 18566 2072 381 182 Covad Communications Co. 1785 1926 678 125 PaeTec Communications, Inc. 22773 1909 2931 128 Cox Communications Inc. 20115 1665 1586 617 Charter Communications 4323 1591 1171 393 tw telecom holdings, inc. 30036 1345 268 749 Mediacom Communications Corp 7018 1285 10306 856 AT&T Services, Inc. 7011 1221 333 691 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 1672 544 16 Corbina telecom 12479 851 776 64 France Telecom Espana SA 34984 821 207 198 BILISIM TELEKOM 31148 726 37 9 FreeNet ISP 6830 725 2313 447 UPC Broadband 13188 707 93 134 Ukraine 20940 690 224 547 Akamai Technologies European 2118 664 97 14 EUnet/RELCOM Autonomous Syste 8551 617 364 61 Bezeq International 58113 601 66 364 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 10620 2225 378 227 Types of queries are: POCs, o 28573 2145 1278 61 Types of queries are: POCs, o 7303 1661 1131 202 Telecom Argentina S.A. 6503 1529 435 70 Axtel, S.A.B. de C.V. 8151 1445 3027 350 Uninet S.A. de C.V. 27947 716 75 92 Telconet S.A 3816 652 309 68 Types of queries are: POCs, o 11172 590 101 66 Alestra, S. de R.L. de C.V. 14420 589 87 102 CORPORACION NACIONAL DE TELEC 7738 586 1178 33 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 24863 900 307 37 LINKdotNET AS number 36998 772 48 3 MOBITEL 8452 649 958 13 TEDATA 6713 516 650 19 Itissalat Al-MAGHRIB 24835 287 80 8 RAYA Telecom - Egypt 3741 266 906 224 The Internet Solution 12258 194 28 66 Vodacom Internet Company 15399 192 29 5 Wananchi Online Limited 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 3179 3724 164 BellSouth.net Inc. 7029 3132 989 161 Windstream Communications Inc 17974 2417 829 55 PT Telekomunikasi Indonesia 10620 2225 378 227 Types of queries are: POCs, o 28573 2145 1278 61 Types of queries are: POCs, o 4766 2113 11550 604 Korea Telecom (KIX) 18566 2072 381 182 Covad Communications Co. 1785 1926 678 125 PaeTec Communications, Inc. 22773 1909 2931 128 Cox Communications Inc. 7545 1779 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 3132 2971 Windstream Communications Inc 17974 2417 2362 PT Telekomunikasi Indonesia 28573 2145 2084 Types of queries are: POCs, o 10620 2225 1998 Types of queries are: POCs, o 18566 2072 1890 Covad Communications Co. 1785 1926 1801 PaeTec Communications, Inc. 22773 1909 1781 Cox Communications Inc. 7545 1779 1694 TPG Internet Pty Ltd 8402 1672 1656 Corbina telecom 4766 2113 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 61408 UNALLOCATED 5.56.0.0/22 174 Cogent Communication 59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG 59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing 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. 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 128.0.72.0/21 23456 32-bit ASN transition 128.0.80.0/20 52041 Timer LTD 128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol 128.0.128.0/20 29285 AMT closed joint-stock compan 128.0.144.0/22 59675 >>UNKNOWN<< 128.0.160.0/21 23456 32-bit ASN transition 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 /12:241 /13:476 /14:852 /15:1557 /16:12403 /17:6531 /18:10787 /19:21185 /20:30439 /21:32372 /22:42625 /23:39840 /24:222443 /25:9 /26:13 /27:11 /28:143 /29:180 /30:88 /31:0 /32:141 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2622 3132 Windstream Communications Inc 18566 2022 2072 Covad Communications Co. 6389 1790 3179 BellSouth.net Inc. 8402 1379 1672 Corbina telecom 30036 1271 1345 Mediacom Communications Corp 22773 1249 1909 Cox Communications Inc. 11492 1148 1183 CABLE ONE, INC. 6503 1050 1529 Axtel, S.A.B. de C.V. 1785 1018 1926 PaeTec Communications, Inc. 7011 957 1221 Frontier Communications of Am Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:607 2:700 3:1 4:13 5:581 6:3 8:475 12:1978 13:1 14:663 15:11 16:3 17:6 20:27 23:206 24:1779 27:1370 31:1050 32:49 33:2 34:2 36:7 37:900 38:831 39:2 40:136 41:2803 42:174 44:3 46:1628 47:2 49:459 50:603 52:12 54:25 55:8 56:4 57:31 58:978 59:537 60:230 61:1283 62:989 63:1997 64:4278 65:2218 66:4514 67:2118 68:1154 69:3218 70:985 71:506 72:1866 74:2618 75:478 76:308 77:970 78:1000 79:504 80:1233 81:972 82:633 83:539 84:526 85:1151 86:486 87:944 88:361 89:1797 90:303 91:5273 92:596 93:1443 94:1649 95:1200 96:396 97:325 98:967 99:36 100:29 101:287 103:1680 105:512 106:123 107:201 108:454 109:1613 110:805 111:970 112:427 113:713 114:627 115:865 116:858 117:750 118:944 119:1183 120:346 121:680 122:1666 123:1162 124:1303 125:1284 128:539 129:184 130:270 131:610 132:301 133:142 134:241 135:62 136:218 137:234 138:336 139:168 140:465 141:288 142:472 143:382 144:492 145:82 146:508 147:261 148:728 149:329 150:151 151:204 152:448 153:183 154:19 155:435 156:224 157:327 158:262 159:580 160:337 161:389 162:364 163:180 164:562 165:440 166:512 167:555 168:973 169:125 170:918 171:152 172:7 173:1688 174:608 175:454 176:732 177:1324 178:1628 180:1350 181:161 182:1069 183:313 184:607 185:33 186:2231 187:1367 188:1771 189:1585 190:5883 192:5986 193:5544 194:4278 195:3465 196:1233 197:247 198:3853 199:5041 200:5939 201:1976 202:8509 203:8616 204:4335 205:2488 206:2647 207:2732 208:4050 209:3603 210:2757 211:1521 212:2084 213:1838 214:890 215:84 216:5108 217:1577 218:557 219:289 220:1250 221:533 222:337 223:397 End of report