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 28 Jul, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 419174 Prefixes after maximum aggregation: 176627 Deaggregation factor: 2.37 Unique aggregates announced to Internet: 204455 Total ASes present in the Internet Routing Table: 41639 Prefixes per ASN: 10.07 Origin-only ASes present in the Internet Routing Table: 33374 Origin ASes announcing only one prefix: 15702 Transit ASes present in the Internet Routing Table: 5601 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: 382 Unregistered ASNs in the Routing Table: 146 Number of 32-bit ASNs allocated by the RIRs: 3041 Number of 32-bit ASNs visible in the Routing Table: 2664 Prefixes from 32-bit ASNs in the Routing Table: 6906 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 170 Number of addresses announced to Internet: 2582312876 Equivalent to 153 /8s, 234 /16s and 247 /24s Percentage of available address space announced: 69.7 Percentage of allocated address space announced: 69.7 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: 146088 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 102575 Total APNIC prefixes after maximum aggregation: 32799 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 103070 Unique aggregates announced from the APNIC address blocks: 42296 APNIC Region origin ASes present in the Internet Routing Table: 4721 APNIC Prefixes per ASN: 21.83 APNIC Region origin ASes announcing only one prefix: 1238 APNIC Region transit ASes present in the Internet Routing Table: 754 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: 259 Number of APNIC addresses announced to Internet: 705852800 Equivalent to 42 /8s, 18 /16s and 117 /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: 153020 Total ARIN prefixes after maximum aggregation: 77710 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 154089 Unique aggregates announced from the ARIN address blocks: 68810 ARIN Region origin ASes present in the Internet Routing Table: 15208 ARIN Prefixes per ASN: 10.13 ARIN Region origin ASes announcing only one prefix: 5776 ARIN Region transit ASes present in the Internet Routing Table: 1608 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: 16 Number of ARIN addresses announced to Internet: 1083040640 Equivalent to 64 /8s, 141 /16s and 227 /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: 104106 Total RIPE prefixes after maximum aggregation: 55508 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 106284 Unique aggregates announced from the RIPE address blocks: 67918 RIPE Region origin ASes present in the Internet Routing Table: 16711 RIPE Prefixes per ASN: 6.36 RIPE Region origin ASes announcing only one prefix: 8098 RIPE Region transit ASes present in the Internet Routing Table: 2716 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: 1746 Number of RIPE addresses announced to Internet: 637676548 Equivalent to 38 /8s, 2 /16s and 44 /24s Percentage of available RIPE address space announced: 92.7 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: 42912 Total LACNIC prefixes after maximum aggregation: 8381 LACNIC Deaggregation factor: 5.12 Prefixes being announced from the LACNIC address blocks: 45634 Unique aggregates announced from the LACNIC address blocks: 21883 LACNIC Region origin ASes present in the Internet Routing Table: 1616 LACNIC Prefixes per ASN: 28.24 LACNIC Region origin ASes announcing only one prefix: 424 LACNIC Region transit ASes present in the Internet Routing Table: 313 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 637 Number of LACNIC addresses announced to Internet: 113013416 Equivalent to 6 /8s, 188 /16s and 114 /24s Percentage of available LACNIC address space announced: 67.4 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: 9495 Total AfriNIC prefixes after maximum aggregation: 2175 AfriNIC Deaggregation factor: 4.37 Prefixes being announced from the AfriNIC address blocks: 9927 Unique aggregates announced from the AfriNIC address blocks: 3399 AfriNIC Region origin ASes present in the Internet Routing Table: 550 AfriNIC Prefixes per ASN: 18.05 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 120 Average AfriNIC Region AS path length visible: 4.4 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: 41353984 Equivalent to 2 /8s, 119 /16s and 3 /24s Percentage of available AfriNIC address space announced: 41.1 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 4766 2759 11123 1252 Korea Telecom (KIX) 17974 2274 569 90 PT TELEKOMUNIKASI INDONESIA 7545 1703 301 86 TPG Internet Pty Ltd 4755 1614 388 163 TATA Communications formerly 9829 1306 1085 26 BSNL National Internet Backbo 9583 1160 87 508 Sify Limited 7552 1128 1062 11 Vietel Corporation 4808 1117 2052 317 CNCGROUP IP network: China169 24560 1038 385 165 Bharti Airtel Ltd., Telemedia 9498 991 294 73 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 3412 986 155 Windstream Communications Inc 6389 3383 3773 186 bellsouth.net, inc. 18566 2088 382 181 Covad Communications 1785 1939 681 130 PaeTec Communications, Inc. 22773 1698 2914 125 Cox Communications, Inc. 20115 1647 1570 611 Charter Communications 4323 1575 1028 383 Time Warner Telecom 30036 1404 274 788 Mediacom Communications Corp 7018 1255 10040 822 AT&T WorldNet Services 11492 1192 217 350 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 1595 544 16 Corbina telecom 12479 808 749 92 Uni2 Autonomous System 34984 735 189 177 BILISIM TELEKOM 6830 715 2310 446 UPC Distribution Services 20940 707 228 554 Akamai Technologies European 31148 706 37 9 FreeNet ISP 2118 632 97 14 EUnet/RELCOM Autonomous Syste 13188 613 100 9 Educational Network 8551 579 364 61 Bezeq International 3320 502 8443 411 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 2044 1226 58 NET Servicos de Comunicao S.A 10620 2030 349 213 TVCABLE BOGOTA 6503 1527 419 67 AVANTEL, S.A. 8151 1470 3069 350 UniNet S.A. de C.V. 7303 1458 934 196 Telecom Argentina Stet-France 6458 882 81 15 GUATEL 27947 719 74 95 Telconet S.A 11172 644 91 75 Servicios Alestra S.A de C.V 3816 597 250 84 Empresa Nacional de Telecomun 22047 583 326 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 1030 958 13 TEDATA 24863 859 274 32 LINKdotNET AS number 6713 509 650 19 Itissalat Al-MAGHRIB 36998 483 48 3 MOBITEL 24835 286 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 12258 197 28 62 Vodacom Internet Company 29975 191 667 21 Vodacom 16637 170 680 87 MTN Network Solutions 15706 160 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 3412 986 155 Windstream Communications Inc 6389 3383 3773 186 bellsouth.net, inc. 4766 2759 11123 1252 Korea Telecom (KIX) 17974 2274 569 90 PT TELEKOMUNIKASI INDONESIA 18566 2088 382 181 Covad Communications 28573 2044 1226 58 NET Servicos de Comunicao S.A 10620 2030 349 213 TVCABLE BOGOTA 1785 1939 681 130 PaeTec Communications, Inc. 7545 1703 301 86 TPG Internet Pty Ltd 22773 1698 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 3383 3197 bellsouth.net, inc. 17974 2274 2184 PT TELEKOMUNIKASI INDONESIA 28573 2044 1986 NET Servicos de Comunicao S.A 18566 2088 1907 Covad Communications 10620 2030 1817 TVCABLE BOGOTA 1785 1939 1809 PaeTec Communications, Inc. 7545 1703 1617 TPG Internet Pty Ltd 8402 1595 1579 Corbina telecom 22773 1698 1573 Cox Communications, Inc. 4766 2759 1507 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 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 5.149.64.0/19 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. 59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd 59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd 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 Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 198.18.0.0/15 14744 Internap Network Services Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 5.10.8.0/21 57154 Stadtwerke Konstanz GmbH 5.10.40.0/21 12466 BICOS.NET Autonomous System 5.10.48.0/20 29562 Kabel Baden-Wuerttemberg GmbH 5.158.96.0/19 38934 Pride Limited 5.158.200.0/21 23456 32-bit ASN transition 5.158.208.0/21 2914 Verio, Inc. 5.159.40.0/21 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 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 /9:13 /10:28 /11:83 /12:236 /13:475 /14:848 /15:1529 /16:12304 /17:6362 /18:10763 /19:20931 /20:29897 /21:31764 /22:41424 /23:39675 /24:219022 /25:1215 /26:1472 /27:850 /28:162 /29:60 /30:18 /31:0 /32:24 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2773 3412 Windstream Communications Inc 18566 2038 2088 Covad Communications 6389 1864 3383 bellsouth.net, inc. 30036 1339 1404 Mediacom Communications Corp 8402 1292 1595 Corbina telecom 11492 1155 1192 Cable One 22773 1122 1698 Cox Communications, Inc. 6503 1051 1527 AVANTEL, S.A. 1785 1048 1939 PaeTec Communications, Inc. 7011 930 1191 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:564 2:688 3:1 4:13 5:239 6:3 8:440 12:2008 13:1 14:635 15:11 16:3 17:6 20:24 23:202 24:1796 27:1320 31:1018 32:56 33:2 34:2 36:8 37:672 38:824 39:1 40:134 41:2848 42:158 44:3 46:1551 47:2 49:429 50:569 52:13 54:14 55:8 56:1 57:31 58:983 59:532 60:237 61:1359 62:928 63:2029 64:4241 65:2241 66:4513 67:2021 68:1155 69:3201 70:986 71:520 72:1870 74:2604 75:489 76:335 77:938 78:938 79:492 80:1233 81:948 82:642 83:539 84:511 85:1161 86:451 87:931 88:346 89:1764 90:303 91:5063 92:585 93:1307 94:1564 95:1236 96:401 97:318 98:887 99:39 100:21 101:258 103:1324 105:464 106:115 107:189 108:404 109:1464 110:793 111:943 112:431 113:681 114:667 115:925 116:924 117:737 118:922 119:1236 120:357 121:806 122:1667 123:1156 124:1380 125:1259 128:556 129:185 130:266 131:638 132:298 133:22 134:245 135:61 136:215 137:240 138:342 139:184 140:495 141:254 142:437 143:370 144:496 145:77 146:509 147:288 148:767 149:319 150:153 151:186 152:473 153:176 154:19 155:402 156:222 157:382 158:190 159:626 160:344 161:280 162:383 163:189 164:674 165:412 166:585 167:535 168:956 169:127 170:899 171:147 172:5 173:1736 174:605 175:435 176:574 177:998 178:1652 180:1327 181:113 182:1044 183:207 184:559 186:2044 187:1094 188:1379 189:1584 190:6148 192:6021 193:5431 194:4192 195:3207 196:1207 197:184 198:3682 199:4936 200:5994 201:1980 202:8727 203:8671 204:4392 205:2531 206:2794 207:2831 208:4052 209:3632 210:2771 211:1565 212:2042 213:1801 214:875 215:86 216:5073 217:1565 218:562 219:338 220:1233 221:572 222:335 223:350 End of report