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 07 Jul, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 416013 Prefixes after maximum aggregation: 175712 Deaggregation factor: 2.37 Unique aggregates announced to Internet: 202545 Total ASes present in the Internet Routing Table: 41442 Prefixes per ASN: 10.04 Origin-only ASes present in the Internet Routing Table: 33316 Origin ASes announcing only one prefix: 15667 Transit ASes present in the Internet Routing Table: 5555 Transit-only ASes present in the Internet Routing Table: 133 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 27 Max AS path prepend of ASN ( 51742) 24 Prefixes from unregistered ASNs in the Routing Table: 391 Unregistered ASNs in the Routing Table: 124 Number of 32-bit ASNs allocated by the RIRs: 2945 Number of 32-bit ASNs visible in the Routing Table: 2571 Prefixes from 32-bit ASNs in the Routing Table: 6623 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 166 Number of addresses announced to Internet: 2562615596 Equivalent to 152 /8s, 190 /16s and 105 /24s Percentage of available address space announced: 69.1 Percentage of allocated address space announced: 69.2 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: 144059 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 101846 Total APNIC prefixes after maximum aggregation: 32701 APNIC Deaggregation factor: 3.11 Prefixes being announced from the APNIC address blocks: 102276 Unique aggregates announced from the APNIC address blocks: 42093 APNIC Region origin ASes present in the Internet Routing Table: 4713 APNIC Prefixes per ASN: 21.70 APNIC Region origin ASes announcing only one prefix: 1240 APNIC Region transit ASes present in the Internet Routing Table: 752 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 243 Number of APNIC addresses announced to Internet: 704055168 Equivalent to 41 /8s, 247 /16s and 7 /24s Percentage of available APNIC address space announced: 82.3 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: 152288 Total ARIN prefixes after maximum aggregation: 77420 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 153251 Unique aggregates announced from the ARIN address blocks: 68354 ARIN Region origin ASes present in the Internet Routing Table: 15188 ARIN Prefixes per ASN: 10.09 ARIN Region origin ASes announcing only one prefix: 5754 ARIN Region transit ASes present in the Internet Routing Table: 1599 Average ARIN Region AS path length visible: 4.0 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: 1070644608 Equivalent to 63 /8s, 208 /16s and 189 /24s Percentage of available ARIN address space announced: 56.6 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: 103875 Total RIPE prefixes after maximum aggregation: 55073 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 106098 Unique aggregates announced from the RIPE address blocks: 67054 RIPE Region origin ASes present in the Internet Routing Table: 16647 RIPE Prefixes per ASN: 6.37 RIPE Region origin ASes announcing only one prefix: 8073 RIPE Region transit ASes present in the Internet Routing Table: 2689 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1694 Number of RIPE addresses announced to Internet: 635393668 Equivalent to 37 /8s, 223 /16s and 86 /24s Percentage of available RIPE address space announced: 92.4 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: 41993 Total LACNIC prefixes after maximum aggregation: 8342 LACNIC Deaggregation factor: 5.03 Prefixes being announced from the LACNIC address blocks: 44613 Unique aggregates announced from the LACNIC address blocks: 21657 LACNIC Region origin ASes present in the Internet Routing Table: 1608 LACNIC Prefixes per ASN: 27.74 LACNIC Region origin ASes announcing only one prefix: 429 LACNIC Region transit ASes present in the Internet Routing Table: 310 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 612 Number of LACNIC addresses announced to Internet: 111736744 Equivalent to 6 /8s, 168 /16s and 247 /24s Percentage of available LACNIC address space announced: 66.6 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: 9191 Total AfriNIC prefixes after maximum aggregation: 2121 AfriNIC Deaggregation factor: 4.33 Prefixes being announced from the AfriNIC address blocks: 9609 Unique aggregates announced from the AfriNIC address blocks: 3242 AfriNIC Region origin ASes present in the Internet Routing Table: 548 AfriNIC Prefixes per ASN: 17.53 AfriNIC Region origin ASes announcing only one prefix: 171 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: 5 Number of AfriNIC addresses announced to Internet: 40489728 Equivalent to 2 /8s, 105 /16s and 211 /24s Percentage of available AfriNIC address space announced: 40.2 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 2689 11116 1201 Korea Telecom (KIX) 17974 2146 558 79 PT TELEKOMUNIKASI INDONESIA 7545 1690 301 87 TPG Internet Pty Ltd 4755 1612 388 162 TATA Communications formerly 9829 1300 1085 28 BSNL National Internet Backbo 9583 1165 87 507 Sify Limited 7552 1124 1062 11 Vietel Corporation 4808 1100 2053 318 CNCGROUP IP network: China169 24560 1036 385 165 Bharti Airtel Ltd., Telemedia 9498 978 291 65 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 6389 3392 3789 188 bellsouth.net, inc. 7029 3260 986 161 Windstream Communications Inc 18566 2089 382 182 Covad Communications 1785 1931 681 132 PaeTec Communications, Inc. 22773 1656 2911 121 Cox Communications, Inc. 20115 1651 1573 616 Charter Communications 4323 1575 1043 384 Time Warner Telecom 30036 1382 264 783 Mediacom Communications Corp 7018 1259 10029 824 AT&T WorldNet Services 11492 1190 216 356 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 1628 544 16 Corbina telecom 2118 1288 97 14 EUnet/RELCOM Autonomous Syste 12479 781 731 91 Uni2 Autonomous System 34984 725 189 176 BILISIM TELEKOM 6830 711 2292 445 UPC Distribution Services 31148 695 37 9 FreeNet ISP 20940 685 220 527 Akamai Technologies European 8551 579 364 61 Bezeq International 13188 504 100 10 Educational Network 3320 496 8443 408 Deutsche Telekom AG 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 28573 1989 1214 55 NET Servicos de Comunicao S.A 10620 1983 345 204 TVCABLE BOGOTA 6503 1531 418 66 AVANTEL, S.A. 8151 1489 3065 342 UniNet S.A. de C.V. 7303 1453 933 193 Telecom Argentina Stet-France 27947 709 74 94 Telconet S.A 11172 643 91 74 Servicios Alestra S.A de C.V 3816 589 246 90 Empresa Nacional de Telecomun 22047 583 326 15 VTR PUNTO NET S.A. 14117 567 65 59 Telefonica del Sur 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 1222 958 13 TEDATA 24863 864 274 32 LINKdotNET AS number 6713 504 649 18 Itissalat Al-MAGHRIB 24835 286 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 33776 199 12 21 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 16637 167 664 87 MTN Network Solutions 29975 167 571 19 Vodacom 15706 159 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 6389 3392 3789 188 bellsouth.net, inc. 7029 3260 986 161 Windstream Communications Inc 4766 2689 11116 1201 Korea Telecom (KIX) 17974 2146 558 79 PT TELEKOMUNIKASI INDONESIA 18566 2089 382 182 Covad Communications 28573 1989 1214 55 NET Servicos de Comunicao S.A 10620 1983 345 204 TVCABLE BOGOTA 1785 1931 681 132 PaeTec Communications, Inc. 7545 1690 301 87 TPG Internet Pty Ltd 22773 1656 2911 121 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 7029 3260 3099 Windstream Communications Inc 17974 2146 2067 PT TELEKOMUNIKASI INDONESIA 28573 1989 1934 NET Servicos de Comunicao S.A 18566 2089 1907 Covad Communications 1785 1931 1799 PaeTec Communications, Inc. 10620 1983 1779 TVCABLE BOGOTA 8402 1628 1612 Corbina telecom 7545 1690 1603 TPG Internet Pty Ltd 22773 1656 1535 Cox Communications, Inc. 4766 2689 1488 Korea Telecom (KIX) Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic 33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks 29760 UNALLOCATED 12.145.34.0/23 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project Complete listing at http://thyme.rand.apnic.net/current/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 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 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 /8:19 /9:12 /10:28 /11:82 /12:236 /13:469 /14:841 /15:1521 /16:12308 /17:6376 /18:10769 /19:20908 /20:29682 /21:31424 /22:41182 /23:39084 /24:217243 /25:1224 /26:1473 /27:857 /28:169 /29:65 /30:18 /31:0 /32:23 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2632 3260 Windstream Communications Inc 18566 2039 2089 Covad Communications 6389 1871 3392 bellsouth.net, inc. 8402 1323 1628 Corbina telecom 30036 1319 1382 Mediacom Communications Corp 11492 1153 1190 Cable One 22773 1087 1656 Cox Communications, Inc. 6503 1058 1531 AVANTEL, S.A. 1785 1042 1931 PaeTec Communications, Inc. 8452 998 1222 TEDATA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:574 2:735 3:1 4:13 5:131 6:3 8:433 12:2008 13:1 14:636 15:12 16:3 17:5 20:24 23:180 24:1776 27:1313 31:998 32:56 33:2 34:2 36:9 37:591 38:821 39:1 40:128 41:3062 42:142 44:3 46:1470 47:2 49:418 50:547 52:13 54:13 55:6 56:1 57:34 58:978 59:528 60:249 61:1297 62:967 63:2037 64:4257 65:2255 66:4486 67:2051 68:1154 69:3191 70:980 71:510 72:1837 74:2594 75:475 76:332 77:931 78:887 79:487 80:1213 81:947 82:660 83:529 84:494 85:1171 86:432 87:934 88:341 89:1749 90:301 91:5010 92:580 93:1360 94:1596 95:1220 96:379 97:318 98:889 99:39 100:19 101:253 103:1235 106:101 107:188 108:363 109:1428 110:785 111:940 112:420 113:634 114:653 115:904 116:930 117:729 118:926 119:1228 120:352 121:809 122:1674 123:1084 124:1397 125:1267 128:554 129:188 130:263 131:615 132:300 133:22 134:244 135:61 136:217 137:240 138:337 139:175 140:494 141:266 142:429 143:370 144:529 145:77 146:518 147:288 148:769 149:318 150:157 151:182 152:474 153:176 154:17 155:433 156:220 157:382 158:191 159:621 160:342 161:268 162:376 163:192 164:658 165:415 166:584 167:479 168:908 169:126 170:893 171:145 172:5 173:1730 174:617 175:438 176:564 177:924 178:1533 180:1290 181:99 182:1025 183:239 184:533 185:1 186:1918 187:1079 188:1355 189:1590 190:5739 192:6010 193:5521 194:4532 195:3430 196:1189 197:170 198:3673 199:4848 200:5911 201:1977 202:8701 203:8638 204:4325 205:2532 206:2800 207:2801 208:4028 209:3618 210:2780 211:1549 212:2003 213:1908 214:880 215:82 216:5071 217:1554 218:552 219:338 220:1237 221:568 222:337 223:357 End of report