This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG, TRNOG, CaribNOG and the RIPE Routing Working Group. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 11 Aug, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 421995 Prefixes after maximum aggregation: 177266 Deaggregation factor: 2.38 Unique aggregates announced to Internet: 203973 Total ASes present in the Internet Routing Table: 41767 Prefixes per ASN: 10.10 Origin-only ASes present in the Internet Routing Table: 33429 Origin ASes announcing only one prefix: 15691 Transit ASes present in the Internet Routing Table: 5606 Transit-only ASes present in the Internet Routing Table: 136 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 32 Max AS path prepend of ASN ( 48687) 24 Prefixes from unregistered ASNs in the Routing Table: 395 Unregistered ASNs in the Routing Table: 152 Number of 32-bit ASNs allocated by the RIRs: 3098 Number of 32-bit ASNs visible in the Routing Table: 2732 Prefixes from 32-bit ASNs in the Routing Table: 7043 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 166 Number of addresses announced to Internet: 2587319180 Equivalent to 154 /8s, 55 /16s and 91 /24s Percentage of available address space announced: 69.8 Percentage of allocated address space announced: 69.9 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 93.1 Total number of prefixes smaller than registry allocations: 148463 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 102079 Total APNIC prefixes after maximum aggregation: 32807 APNIC Deaggregation factor: 3.11 Prefixes being announced from the APNIC address blocks: 102621 Unique aggregates announced from the APNIC address blocks: 42212 APNIC Region origin ASes present in the Internet Routing Table: 4729 APNIC Prefixes per ASN: 21.70 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 758 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 278 Number of APNIC addresses announced to Internet: 707702656 Equivalent to 42 /8s, 46 /16s and 175 /24s Percentage of available APNIC address space announced: 82.7 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: 153645 Total ARIN prefixes after maximum aggregation: 77905 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 154656 Unique aggregates announced from the ARIN address blocks: 68753 ARIN Region origin ASes present in the Internet Routing Table: 15216 ARIN Prefixes per ASN: 10.16 ARIN Region origin ASes announcing only one prefix: 5757 ARIN Region transit ASes present in the Internet Routing Table: 1609 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 1083911296 Equivalent to 64 /8s, 155 /16s and 44 /24s Percentage of available ARIN address space announced: 57.3 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: 106315 Total RIPE prefixes after maximum aggregation: 55910 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 108543 Unique aggregates announced from the RIPE address blocks: 67395 RIPE Region origin ASes present in the Internet Routing Table: 16740 RIPE Prefixes per ASN: 6.48 RIPE Region origin ASes announcing only one prefix: 8104 RIPE Region transit ASes present in the Internet Routing Table: 2711 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1782 Number of RIPE addresses announced to Internet: 640497636 Equivalent to 38 /8s, 45 /16s and 55 /24s Percentage of available RIPE address space announced: 93.1 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: 43121 Total LACNIC prefixes after maximum aggregation: 8394 LACNIC Deaggregation factor: 5.14 Prefixes being announced from the LACNIC address blocks: 45908 Unique aggregates announced from the LACNIC address blocks: 22058 LACNIC Region origin ASes present in the Internet Routing Table: 1622 LACNIC Prefixes per ASN: 28.30 LACNIC Region origin ASes announcing only one prefix: 418 LACNIC Region transit ASes present in the Internet Routing Table: 318 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 649 Number of LACNIC addresses announced to Internet: 113366696 Equivalent to 6 /8s, 193 /16s and 214 /24s Percentage of available LACNIC address space announced: 67.6 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: 9651 Total AfriNIC prefixes after maximum aggregation: 2196 AfriNIC Deaggregation factor: 4.39 Prefixes being announced from the AfriNIC address blocks: 10101 Unique aggregates announced from the AfriNIC address blocks: 3417 AfriNIC Region origin ASes present in the Internet Routing Table: 559 AfriNIC Prefixes per ASN: 18.07 AfriNIC Region origin ASes announcing only one prefix: 174 AfriNIC Region transit ASes present in the Internet Routing Table: 124 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 41530624 Equivalent to 2 /8s, 121 /16s and 181 /24s Percentage of available AfriNIC address space announced: 41.3 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 4766 2763 11117 1250 Korea Telecom (KIX) 17974 2323 702 54 PT TELEKOMUNIKASI INDONESIA 7545 1714 301 87 TPG Internet Pty Ltd 4755 1605 386 158 TATA Communications formerly 9829 1310 1084 31 BSNL National Internet Backbo 9583 1206 90 534 Sify Limited 7552 1128 1062 11 Vietel Corporation 4808 1123 2050 321 CNCGROUP IP network: China169 24560 1039 385 165 Bharti Airtel Ltd., Telemedia 9498 997 294 74 BHARTI Airtel Ltd. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7029 3439 986 155 Windstream Communications Inc 6389 3339 3772 191 bellsouth.net, inc. 18566 2089 382 181 Covad Communications 1785 1936 680 128 PaeTec Communications, Inc. 22773 1700 2914 125 Cox Communications, Inc. 20115 1645 1572 611 Charter Communications 4323 1577 1027 386 Time Warner Telecom 30036 1433 279 784 Mediacom Communications Corp 7018 1245 10041 815 AT&T WorldNet Services 11492 1191 216 351 Cable One Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8402 1494 544 16 Corbina telecom 15557 1215 2247 55 LDCOM NETWORKS 12479 824 762 86 Uni2 Autonomous System 34984 744 189 177 BILISIM TELEKOM 20940 715 232 556 Akamai Technologies European 6830 714 2310 445 UPC Distribution Services 31148 699 37 9 FreeNet ISP 2118 685 97 14 EUnet/RELCOM Autonomous Syste 13188 669 100 9 Educational Network 58113 627 70 373 LIR DATACENTER TELECOM SRL Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 2082 354 221 TVCABLE BOGOTA 28573 2043 1232 55 NET Servicos de Comunicao S.A 7303 1560 1032 202 Telecom Argentina Stet-France 6503 1528 419 67 AVANTEL, S.A. 8151 1464 3044 346 UniNet S.A. de C.V. 6458 882 81 15 GUATEL 27947 715 74 95 Telconet S.A 11172 644 91 74 Servicios Alestra S.A de C.V 3816 598 253 95 Empresa Nacional de Telecomun 22047 580 326 15 VTR PUNTO NET S.A. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 8452 922 958 13 TEDATA 24863 865 274 33 LINKdotNET AS number 36998 532 48 3 MOBITEL 6713 515 650 19 Itissalat Al-MAGHRIB 24835 286 80 8 RAYA Telecom - Egypt 3741 263 905 224 The Internet Solution 33776 219 12 19 Starcomms Nigeria Limited 12258 195 28 62 Vodacom Internet Company 29975 191 667 21 Vodacom 15706 179 32 6 Sudatel Internet Exchange Aut Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 7029 3439 986 155 Windstream Communications Inc 6389 3339 3772 191 bellsouth.net, inc. 4766 2763 11117 1250 Korea Telecom (KIX) 17974 2323 702 54 PT TELEKOMUNIKASI INDONESIA 18566 2089 382 181 Covad Communications 10620 2082 354 221 TVCABLE BOGOTA 28573 2043 1232 55 NET Servicos de Comunicao S.A 1785 1936 680 128 PaeTec Communications, Inc. 7545 1714 301 87 TPG Internet Pty Ltd 22773 1700 2914 125 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 6389 3339 3148 bellsouth.net, inc. 17974 2323 2269 PT TELEKOMUNIKASI INDONESIA 28573 2043 1988 NET Servicos de Comunicao S.A 18566 2089 1908 Covad Communications 10620 2082 1861 TVCABLE BOGOTA 1785 1936 1808 PaeTec Communications, Inc. 7545 1714 1627 TPG Internet Pty Ltd 22773 1700 1575 Cox Communications, Inc. 4766 2763 1513 Korea Telecom (KIX) 8402 1494 1478 Corbina telecom Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D 59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L 59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH 59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.66.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o. 59457 UNALLOCATED 5.149.94.0/24 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.187.48.0/21 23456 32-bit ASN transition 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 Complete listing at http://thyme.rand.apnic.net/current/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 /8:20 /9:14 /10:29 /11:84 /12:237 /13:474 /14:848 /15:1529 /16:12363 /17:6386 /18:10758 /19:20942 /20:30083 /21:31951 /22:41795 /23:39771 /24:220800 /25:1275 /26:1504 /27:861 /28:167 /29:62 /30:18 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2802 3439 Windstream Communications Inc 18566 2039 2089 Covad Communications 6389 1833 3339 bellsouth.net, inc. 30036 1369 1433 Mediacom Communications Corp 8402 1227 1494 Corbina telecom 15557 1159 1215 LDCOM NETWORKS 11492 1154 1191 Cable One 22773 1124 1700 Cox Communications, Inc. 6503 1051 1528 AVANTEL, S.A. 1785 1038 1936 PaeTec Communications, Inc. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:546 2:721 3:1 4:13 5:337 6:3 8:439 12:2013 13:1 14:637 15:11 16:3 17:6 20:24 23:202 24:1804 27:1332 31:1018 32:56 33:2 34:2 36:8 37:727 38:815 39:1 40:134 41:2882 42:156 44:3 46:1557 47:2 49:432 50:584 52:13 54:14 55:4 57:31 58:988 59:515 60:238 61:1289 62:984 63:2022 64:4242 65:2245 66:4534 67:2055 68:1155 69:3206 70:989 71:518 72:1869 74:2609 75:489 76:331 77:952 78:895 79:502 80:1280 81:955 82:637 83:540 84:620 85:1118 86:797 87:935 88:337 89:1804 90:305 91:5093 92:590 93:1460 94:1586 95:1262 96:409 97:317 98:900 99:39 100:22 101:255 103:1369 105:512 106:112 107:193 108:420 109:1913 110:791 111:950 112:435 113:670 114:653 115:841 116:921 117:730 118:945 119:1231 120:361 121:696 122:1655 123:1168 124:1350 125:1265 128:521 129:183 130:267 131:634 132:298 133:22 134:246 135:61 136:215 137:239 138:347 139:184 140:498 141:267 142:450 143:380 144:494 145:78 146:512 147:295 148:770 149:319 150:153 151:186 152:455 153:175 154:20 155:405 156:222 157:381 158:189 159:632 160:346 161:409 162:391 163:188 164:682 165:410 166:572 167:529 168:960 169:126 170:909 171:149 172:5 173:1735 174:634 175:434 176:594 177:979 178:1681 180:1336 181:119 182:1032 183:233 184:575 186:2086 187:1121 188:1423 189:1579 190:6134 192:6018 193:5452 194:4233 195:3263 196:1230 197:199 198:3695 199:4905 200:6018 201:1968 202:8688 203:8664 204:4397 205:2531 206:2812 207:2799 208:4046 209:3633 210:2775 211:1561 212:2014 213:1802 214:875 215:86 216:5101 217:1565 218:562 219:315 220:1240 221:573 222:335 223:373 End of report