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 27 Jul, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 460435 Prefixes after maximum aggregation: 186881 Deaggregation factor: 2.46 Unique aggregates announced to Internet: 228600 Total ASes present in the Internet Routing Table: 44598 Prefixes per ASN: 10.32 Origin-only ASes present in the Internet Routing Table: 34884 Origin ASes announcing only one prefix: 16214 Transit ASes present in the Internet Routing Table: 5907 Transit-only ASes present in the Internet Routing Table: 148 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 29 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 3375 Unregistered ASNs in the Routing Table: 1298 Number of 32-bit ASNs allocated by the RIRs: 4901 Number of 32-bit ASNs visible in the Routing Table: 3807 Prefixes from 32-bit ASNs in the Routing Table: 11468 Special use prefixes present in the Routing Table: 29 Prefixes being announced from unallocated address space: 259 Number of addresses announced to Internet: 2631203148 Equivalent to 156 /8s, 212 /16s and 249 /24s Percentage of available address space announced: 71.1 Percentage of allocated address space announced: 71.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.8 Total number of prefixes smaller than registry allocations: 161515 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110492 Total APNIC prefixes after maximum aggregation: 33889 APNIC Deaggregation factor: 3.26 Prefixes being announced from the APNIC address blocks: 112225 Unique aggregates announced from the APNIC address blocks: 46027 APNIC Region origin ASes present in the Internet Routing Table: 4863 APNIC Prefixes per ASN: 23.08 APNIC Region origin ASes announcing only one prefix: 1221 APNIC Region transit ASes present in the Internet Routing Table: 828 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 614 Number of APNIC addresses announced to Internet: 726272224 Equivalent to 43 /8s, 74 /16s and 8 /24s Percentage of available APNIC address space announced: 84.9 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: 159674 Total ARIN prefixes after maximum aggregation: 80509 ARIN Deaggregation factor: 1.98 Prefixes being announced from the ARIN address blocks: 160279 Unique aggregates announced from the ARIN address blocks: 74140 ARIN Region origin ASes present in the Internet Routing Table: 15804 ARIN Prefixes per ASN: 10.14 ARIN Region origin ASes announcing only one prefix: 5999 ARIN Region transit ASes present in the Internet Routing Table: 1653 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 19 Number of ARIN addresses announced to Internet: 1068179008 Equivalent to 63 /8s, 171 /16s and 30 /24s Percentage of available ARIN address space announced: 56.5 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, 62464-63487, 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: 117958 Total RIPE prefixes after maximum aggregation: 60387 RIPE Deaggregation factor: 1.95 Prefixes being announced from the RIPE address blocks: 121771 Unique aggregates announced from the RIPE address blocks: 78842 RIPE Region origin ASes present in the Internet Routing Table: 17315 RIPE Prefixes per ASN: 7.03 RIPE Region origin ASes announcing only one prefix: 8222 RIPE Region transit ASes present in the Internet Routing Table: 2833 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2378 Number of RIPE addresses announced to Internet: 656056228 Equivalent to 39 /8s, 26 /16s and 159 /24s Percentage of available RIPE address space announced: 95.4 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: 49151 Total LACNIC prefixes after maximum aggregation: 9509 LACNIC Deaggregation factor: 5.17 Prefixes being announced from the LACNIC address blocks: 53708 Unique aggregates announced from the LACNIC address blocks: 25426 LACNIC Region origin ASes present in the Internet Routing Table: 1993 LACNIC Prefixes per ASN: 26.95 LACNIC Region origin ASes announcing only one prefix: 584 LACNIC Region transit ASes present in the Internet Routing Table: 366 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: 790 Number of LACNIC addresses announced to Internet: 133823624 Equivalent to 7 /8s, 249 /16s and 252 /24s Percentage of available LACNIC address space announced: 79.8 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 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: 11601 Total AfriNIC prefixes after maximum aggregation: 2546 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 12193 Unique aggregates announced from the AfriNIC address blocks: 3924 AfriNIC Region origin ASes present in the Internet Routing Table: 640 AfriNIC Prefixes per ASN: 19.05 AfriNIC Region origin ASes announcing only one prefix: 188 AfriNIC Region transit ASes present in the Internet Routing Table: 131 Average AfriNIC Region AS path length visible: 4.7 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: 46542848 Equivalent to 2 /8s, 198 /16s and 48 /24s Percentage of available AfriNIC address space announced: 46.2 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 2908 11560 919 Korea Telecom (KIX) 17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA 7545 2033 320 109 TPG Internet Pty Ltd 4755 1765 392 195 TATA Communications formerly 9829 1537 1221 45 BSNL National Internet Backbo 9583 1224 92 505 Sify Limited 4808 1173 2153 339 CNCGROUP IP network: China169 9498 1169 309 71 BHARTI Airtel Ltd. 7552 1160 1080 13 Vietel Corporation 24560 1086 394 164 Bharti Airtel Ltd., Telemedia 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 2982 3690 65 bellsouth.net, inc. 18566 2067 382 184 Covad Communications 1785 2007 678 127 PaeTec Communications, Inc. 22773 2000 2927 124 Cox Communications, Inc. 20115 1670 1623 622 Charter Communications 4323 1616 1118 405 Time Warner Telecom 701 1524 11120 801 UUNET Technologies, Inc. 30036 1339 302 659 Mediacom Communications Corp 7018 1304 11036 821 AT&T WorldNet Services 11492 1221 218 363 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 1578 544 16 Corbina telecom 34984 1296 244 222 BILISIM TELEKOM 2118 1235 97 13 EUnet/RELCOM Autonomous Syste 31148 976 43 22 FreeNet ISP 20940 939 327 738 Akamai Technologies European 13188 838 98 81 Educational Network 6830 831 2372 441 UPC Distribution Services 8551 779 370 45 Bezeq International 12479 685 793 56 Uni2 Autonomous System 34744 602 159 114 SC GVM SISTEM 2003 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 28573 2957 1591 110 NET Servicos de Comunicao S.A 10620 2639 420 226 TVCABLE BOGOTA 7303 1730 1155 220 Telecom Argentina Stet-France 8151 1273 2750 385 UniNet S.A. de C.V. 18881 1247 844 20 Global Village Telecom 27947 833 94 91 Telconet S.A 6503 818 434 63 AVANTEL, S.A. 3816 719 306 85 Empresa Nacional de Telecomun 7738 698 1370 35 Telecomunicacoes da Bahia S.A 11172 621 88 65 Servicios Alestra S.A de C.V 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 36998 1815 112 5 MOBITEL 24863 881 274 30 LINKdotNET AS number 6713 542 617 25 Itissalat Al-MAGHRIB 8452 437 956 9 TEDATA 24835 345 80 8 RAYA Telecom - Egypt 3741 259 922 218 The Internet Solution 15706 221 32 6 Sudatel Internet Exchange Aut 29571 220 17 12 Ci Telecom Autonomous system 36992 206 527 22 Etisalat MISR 12258 193 28 71 Vodacom Internet Company 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 2982 3690 65 bellsouth.net, inc. 28573 2957 1591 110 NET Servicos de Comunicao S.A 4766 2908 11560 919 Korea Telecom (KIX) 10620 2639 420 226 TVCABLE BOGOTA 17974 2618 871 92 PT TELEKOMUNIKASI INDONESIA 18566 2067 382 184 Covad Communications 7545 2033 320 109 TPG Internet Pty Ltd 1785 2007 678 127 PaeTec Communications, Inc. 22773 2000 2927 124 Cox Communications, Inc. 36998 1815 112 5 MOBITEL Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 28573 2957 2847 NET Servicos de Comunicao S.A 17974 2618 2526 PT TELEKOMUNIKASI INDONESIA 10620 2639 2413 TVCABLE BOGOTA 4766 2908 1989 Korea Telecom (KIX) 7545 2033 1924 TPG Internet Pty Ltd 18566 2067 1883 Covad Communications 1785 2007 1880 PaeTec Communications, Inc. 22773 2000 1876 Cox Communications, Inc. 36998 1815 1810 MOBITEL 4755 1765 1570 TATA Communications formerly 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 30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest 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 30621 UNALLOCATED 12.151.74.0/23 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 128.0.0.0/24 2541 >>UNKNOWN<< 128.0.16.0/21 43568 RIPE Network Coordination Cen 128.0.24.0/21 41794 Altline LLC 128.0.40.0/24 60449 >>UNKNOWN<< 128.0.42.0/24 60619 >>UNKNOWN<< 128.0.43.0/24 60619 >>UNKNOWN<< 128.0.45.0/24 60657 >>UNKNOWN<< 128.0.46.0/23 39743 Mobimax Telecom SRL 128.0.53.0/24 60993 Totalsoft SA 128.0.54.0/24 60972 Carpatair SA Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.185.224.0/24 27431 JTL Networks Inc. 64.185.225.0/24 27431 JTL Networks Inc. 64.185.226.0/24 27431 JTL Networks Inc. 64.185.227.0/24 27431 JTL Networks Inc. 64.185.228.0/24 27431 JTL Networks Inc. 64.185.229.0/24 27431 JTL Networks Inc. 64.185.230.0/24 27431 JTL Networks Inc. 64.185.231.0/24 27431 JTL Networks Inc. 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 /8:16 /9:11 /10:30 /11:92 /12:251 /13:478 /14:906 /15:1602 /16:12732 /17:6643 /18:11081 /19:22505 /20:32121 /21:34670 /22:48474 /23:42550 /24:242336 /25:1298 /26:1641 /27:848 /28:44 /29:71 /30:17 /31:0 /32:18 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2018 2067 Covad Communications 36998 1780 1815 MOBITEL 6389 1714 2982 bellsouth.net, inc. 22773 1302 2000 Cox Communications, Inc. 8402 1270 1578 Corbina telecom 30036 1205 1339 Mediacom Communications Corp 11492 1182 1221 Cable One 1785 1074 2007 PaeTec Communications, Inc. 6983 1020 1147 ITC^Deltacom 10620 984 2639 TVCABLE BOGOTA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:827 2:711 3:3 4:19 5:843 6:17 8:572 12:1912 13:2 14:864 15:11 16:3 17:10 20:17 23:296 24:1769 27:1504 31:1305 32:45 33:2 34:5 36:60 37:1849 38:890 39:2 40:175 41:3282 42:247 44:8 46:1946 47:2 49:673 50:817 52:12 54:35 55:8 57:26 58:1161 59:581 60:331 61:1424 62:1166 63:2009 64:4357 65:2149 66:4190 67:2022 68:1096 69:3285 70:797 71:490 72:1918 74:2500 75:324 76:306 77:1117 78:1022 79:601 80:1294 81:1009 82:635 83:584 84:581 85:1206 86:468 87:1027 88:543 89:1801 90:150 91:5538 92:623 93:1745 94:1925 95:1613 96:518 97:344 98:1026 99:43 100:30 101:347 103:3036 105:522 106:140 107:208 108:520 109:1856 110:945 111:1071 112:564 113:817 114:700 115:1014 116:953 117:822 118:1142 119:1288 120:372 121:740 122:1802 123:1241 124:1374 125:1390 128:643 129:223 130:309 131:669 132:360 133:160 134:268 135:72 136:239 137:242 138:342 139:190 140:211 141:329 142:533 143:382 144:512 145:98 146:527 147:401 148:662 149:351 150:147 151:552 152:414 153:189 154:27 155:414 156:267 157:394 158:278 159:744 160:350 161:452 162:498 163:225 164:583 165:507 166:252 167:596 168:1027 169:127 170:1065 171:184 172:23 173:1595 174:557 175:497 176:1129 177:2174 178:1864 179:74 180:1485 181:564 182:1273 183:419 184:668 185:696 186:2290 187:1375 188:1894 189:1286 190:6755 192:6832 193:5711 194:4713 195:3588 196:1344 197:942 198:4554 199:5364 200:6015 201:2241 202:8832 203:8886 204:4511 205:2600 206:2825 207:2874 208:4001 209:3575 210:2923 211:1523 212:2225 213:2019 214:915 215:99 216:5266 217:1610 218:615 219:313 220:1283 221:552 222:321 223:449 End of report