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 31 Aug, 2013 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 465107 Prefixes after maximum aggregation: 187550 Deaggregation factor: 2.48 Unique aggregates announced to Internet: 231015 Total ASes present in the Internet Routing Table: 44850 Prefixes per ASN: 10.37 Origin-only ASes present in the Internet Routing Table: 35058 Origin ASes announcing only one prefix: 16251 Transit ASes present in the Internet Routing Table: 5917 Transit-only ASes present in the Internet Routing Table: 178 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: 5356 Unregistered ASNs in the Routing Table: 1757 Number of 32-bit ASNs allocated by the RIRs: 4989 Number of 32-bit ASNs visible in the Routing Table: 3875 Prefixes from 32-bit ASNs in the Routing Table: 11812 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 352 Number of addresses announced to Internet: 2638983692 Equivalent to 157 /8s, 75 /16s and 178 /24s Percentage of available address space announced: 71.3 Percentage of allocated address space announced: 71.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 94.9 Total number of prefixes smaller than registry allocations: 162731 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 110153 Total APNIC prefixes after maximum aggregation: 33429 APNIC Deaggregation factor: 3.30 Prefixes being announced from the APNIC address blocks: 112046 Unique aggregates announced from the APNIC address blocks: 46620 APNIC Region origin ASes present in the Internet Routing Table: 4873 APNIC Prefixes per ASN: 22.99 APNIC Region origin ASes announcing only one prefix: 1230 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: 650 Number of APNIC addresses announced to Internet: 727650304 Equivalent to 43 /8s, 95 /16s and 16 /24s Percentage of available APNIC address space announced: 85.0 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: 161368 Total ARIN prefixes after maximum aggregation: 80974 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 161870 Unique aggregates announced from the ARIN address blocks: 75307 ARIN Region origin ASes present in the Internet Routing Table: 15853 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 6023 ARIN Region transit ASes present in the Internet Routing Table: 1667 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: 20 Number of ARIN addresses announced to Internet: 1070990592 Equivalent to 63 /8s, 214 /16s and 5 /24s Percentage of available ARIN address space announced: 56.7 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: 119263 Total RIPE prefixes after maximum aggregation: 60940 RIPE Deaggregation factor: 1.96 Prefixes being announced from the RIPE address blocks: 123132 Unique aggregates announced from the RIPE address blocks: 79169 RIPE Region origin ASes present in the Internet Routing Table: 17385 RIPE Prefixes per ASN: 7.08 RIPE Region origin ASes announcing only one prefix: 8240 RIPE Region transit ASes present in the Internet Routing Table: 2817 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2392 Number of RIPE addresses announced to Internet: 657235428 Equivalent to 39 /8s, 44 /16s and 157 /24s Percentage of available RIPE address space announced: 95.5 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: 50836 Total LACNIC prefixes after maximum aggregation: 9620 LACNIC Deaggregation factor: 5.28 Prefixes being announced from the LACNIC address blocks: 55531 Unique aggregates announced from the LACNIC address blocks: 25704 LACNIC Region origin ASes present in the Internet Routing Table: 2000 LACNIC Prefixes per ASN: 27.77 LACNIC Region origin ASes announcing only one prefix: 563 LACNIC Region transit ASes present in the Internet Routing Table: 375 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 807 Number of LACNIC addresses announced to Internet: 135924264 Equivalent to 8 /8s, 26 /16s and 10 /24s Percentage of available LACNIC address space announced: 81.0 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: 11573 Total AfriNIC prefixes after maximum aggregation: 2537 AfriNIC Deaggregation factor: 4.56 Prefixes being announced from the AfriNIC address blocks: 12176 Unique aggregates announced from the AfriNIC address blocks: 3888 AfriNIC Region origin ASes present in the Internet Routing Table: 652 AfriNIC Prefixes per ASN: 18.67 AfriNIC Region origin ASes announcing only one prefix: 195 AfriNIC Region transit ASes present in the Internet Routing Table: 138 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6 Number of AfriNIC addresses announced to Internet: 46511616 Equivalent to 2 /8s, 197 /16s and 182 /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 2872 11560 900 Korea Telecom (KIX) 17974 2668 903 91 PT TELEKOMUNIKASI INDONESIA 7545 2062 321 112 TPG Internet Pty Ltd 4755 1768 391 190 TATA Communications formerly 9829 1492 1220 44 BSNL National Internet Backbo 9583 1227 92 506 Sify Limited 9498 1181 309 70 BHARTI Airtel Ltd. 4808 1155 2128 337 CNCGROUP IP network: China169 7552 1139 1080 13 Vietel Corporation 24560 1089 394 160 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 3069 3689 62 bellsouth.net, inc. 18566 2065 382 184 Covad Communications 22773 2042 2933 124 Cox Communications, Inc. 1785 2006 679 125 PaeTec Communications, Inc. 20115 1673 1645 629 Charter Communications 4323 1615 1103 408 Time Warner Telecom 701 1522 11119 797 UUNET Technologies, Inc. 30036 1348 301 643 Mediacom Communications Corp 7018 1311 11277 827 AT&T WorldNet Services 11492 1220 218 366 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 1642 544 16 Corbina telecom 2118 1368 97 13 EUnet/RELCOM Autonomous Syste 34984 1307 244 221 BILISIM TELEKOM 31148 982 43 18 FreeNet ISP 20940 980 351 756 Akamai Technologies European 6830 895 2367 428 UPC Distribution Services 13188 846 99 72 Educational Network 8551 751 370 41 Bezeq International 12479 687 797 53 Uni2 Autonomous System 58113 541 55 339 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 28573 3225 1695 101 NET Servicos de Comunicao S.A 10620 2614 421 238 TVCABLE BOGOTA 7303 1733 1158 223 Telecom Argentina Stet-France 18881 1452 844 20 Global Village Telecom 8151 1287 2774 389 UniNet S.A. de C.V. 11830 945 364 15 Instituto Costarricense de El 27947 839 94 91 Telconet S.A 6503 790 434 61 AVANTEL, S.A. 6147 734 374 25 Telefonica Del Peru 3816 723 302 83 Empresa Nacional de Telecomun 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 1861 112 5 MOBITEL 24863 870 274 30 LINKdotNET AS number 6713 543 633 26 Itissalat Al-MAGHRIB 8452 435 956 9 TEDATA 24835 291 80 8 RAYA Telecom - Egypt 3741 258 921 217 The Internet Solution 36992 222 501 28 Etisalat MISR 15706 221 32 6 Sudatel Internet Exchange Aut 29571 220 17 12 Ci Telecom Autonomous system 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 28573 3225 1695 101 NET Servicos de Comunicao S.A 6389 3069 3689 62 bellsouth.net, inc. 4766 2872 11560 900 Korea Telecom (KIX) 17974 2668 903 91 PT TELEKOMUNIKASI INDONESIA 10620 2614 421 238 TVCABLE BOGOTA 18566 2065 382 184 Covad Communications 7545 2062 321 112 TPG Internet Pty Ltd 22773 2042 2933 124 Cox Communications, Inc. 1785 2006 679 125 PaeTec Communications, Inc. 36998 1861 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 6389 3069 3007 bellsouth.net, inc. 17974 2668 2577 PT TELEKOMUNIKASI INDONESIA 10620 2614 2376 TVCABLE BOGOTA 4766 2872 1972 Korea Telecom (KIX) 7545 2062 1950 TPG Internet Pty Ltd 22773 2042 1918 Cox Communications, Inc. 18566 2065 1881 Covad Communications 1785 2006 1881 PaeTec Communications, Inc. 36998 1861 1856 MOBITEL 8402 1642 1626 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 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 100.100.0.0/24 4847 China Networks Inter-Exchange Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.90.128.0/18 27418 OUTOFWALL INC. 23.90.192.0/18 36086 Broad Communications Technolo 23.91.0.0/19 40676 Psychz Networks 23.91.32.0/19 36315 Servpac Inc. 23.92.16.0/21 8001 Net Access Corporation 23.92.24.0/22 6939 Hurricane Electric 23.92.48.0/20 62471 SupremeBytes, LLC 23.92.64.0/24 54540 Incero LLC 23.92.65.0/24 54540 Incero LLC 23.92.66.0/24 54540 Incero LLC 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 /11:93 /12:250 /13:480 /14:907 /15:1620 /16:12771 /17:6674 /18:11082 /19:22660 /20:32276 /21:34963 /22:49128 /23:42939 /24:246733 /25:878 /26:986 /27:460 /28:44 /29:75 /30:17 /31:0 /32:14 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 2016 2065 Covad Communications 36998 1826 1861 MOBITEL 6389 1714 3069 bellsouth.net, inc. 8402 1374 1642 Corbina telecom 22773 1329 2042 Cox Communications, Inc. 30036 1211 1348 Mediacom Communications Corp 11492 1181 1220 Cable One 1785 1078 2006 PaeTec Communications, Inc. 6983 1025 1153 ITC^Deltacom 10620 944 2614 TVCABLE BOGOTA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:800 2:789 3:3 4:19 5:911 6:19 8:602 12:1895 13:2 14:872 15:11 16:3 17:11 18:19 20:18 23:370 24:1741 27:1555 31:1406 32:45 33:2 34:5 36:73 37:1842 38:902 39:4 40:179 41:3239 42:244 44:9 46:1958 47:4 49:665 50:838 52:12 54:37 55:6 57:26 58:1162 59:623 60:336 61:1415 62:1220 63:1989 64:4569 65:2293 66:4176 67:2072 68:1087 69:3303 70:863 71:496 72:2003 74:2536 75:327 76:302 77:1162 78:1054 79:628 80:1315 81:1022 82:634 83:584 84:579 85:1237 86:479 87:1046 88:539 89:1819 90:158 91:5589 92:636 93:1668 94:2023 95:1528 96:524 97:347 98:1041 99:44 100:29 101:597 103:3223 105:519 106:139 107:210 108:497 109:1869 110:953 111:1114 112:568 113:791 114:711 115:1032 116:973 117:804 118:1126 119:1292 120:364 121:740 122:1868 123:1240 124:1384 125:1418 128:610 129:223 130:311 131:671 132:351 133:160 134:282 135:67 136:259 137:267 138:347 139:178 140:197 141:321 142:552 143:383 144:493 145:100 146:531 147:490 148:685 149:354 150:151 151:561 152:415 153:194 154:30 155:481 156:274 157:407 158:282 159:750 160:350 161:460 162:622 163:222 164:628 165:561 166:255 167:605 168:1033 169:126 170:1081 171:191 172:25 173:1601 174:517 175:495 176:1194 177:2105 178:1908 179:118 180:1520 181:680 182:1244 183:444 184:640 185:791 186:2480 187:1375 188:1914 189:1281 190:7042 192:6946 193:5846 194:4702 195:3591 196:1334 197:1002 198:4647 199:5442 200:6017 201:2604 202:8934 203:8905 204:4525 205:2597 206:2838 207:2900 208:3994 209:3633 210:2936 211:1556 212:2252 213:2052 214:918 215:101 216:5304 217:1648 218:623 219:314 220:1277 221:555 222:324 223:506 End of report