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 25 Aug, 2012 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 264582 Prefixes after maximum aggregation: 97761 Deaggregation factor: 2.71 Unique aggregates announced to Internet: 119633 Total ASes present in the Internet Routing Table: 29036 Prefixes per ASN: 9.11 Origin-only ASes present in the Internet Routing Table: 22245 Origin ASes announcing only one prefix: 11565 Transit ASes present in the Internet Routing Table: 4486 Transit-only ASes present in the Internet Routing Table: 492 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: 435 Unregistered ASNs in the Routing Table: 144 Number of 32-bit ASNs allocated by the RIRs: 3169 Number of 32-bit ASNs visible in the Routing Table: 2305 Prefixes from 32-bit ASNs in the Routing Table: 6164 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 74 Number of addresses announced to Internet: 2132781732 Equivalent to 127 /8s, 31 /16s and 170 /24s Percentage of available address space announced: 57.5 Percentage of allocated address space announced: 57.6 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 93.3 Total number of prefixes smaller than registry allocations: 117536 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 59813 Total APNIC prefixes after maximum aggregation: 15336 APNIC Deaggregation factor: 3.90 Prefixes being announced from the APNIC address blocks: 60438 Unique aggregates announced from the APNIC address blocks: 22879 APNIC Region origin ASes present in the Internet Routing Table: 2883 APNIC Prefixes per ASN: 20.96 APNIC Region origin ASes announcing only one prefix: 806 APNIC Region transit ASes present in the Internet Routing Table: 609 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 242 Number of APNIC addresses announced to Internet: 551407040 Equivalent to 32 /8s, 221 /16s and 205 /24s Percentage of available APNIC address space announced: 64.4 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: 96228 Total ARIN prefixes after maximum aggregation: 43322 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 97518 Unique aggregates announced from the ARIN address blocks: 38278 ARIN Region origin ASes present in the Internet Routing Table: 10585 ARIN Prefixes per ASN: 9.21 ARIN Region origin ASes announcing only one prefix: 4892 ARIN Region transit ASes present in the Internet Routing Table: 1244 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: 7 Number of ARIN addresses announced to Internet: 937035712 Equivalent to 55 /8s, 218 /16s and 7 /24s Percentage of available ARIN address space announced: 49.6 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: 74529 Total RIPE prefixes after maximum aggregation: 34410 RIPE Deaggregation factor: 2.17 Prefixes being announced from the RIPE address blocks: 76326 Unique aggregates announced from the RIPE address blocks: 45907 RIPE Region origin ASes present in the Internet Routing Table: 11345 RIPE Prefixes per ASN: 6.73 RIPE Region origin ASes announcing only one prefix: 5497 RIPE Region transit ASes present in the Internet Routing Table: 2197 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: 1423 Number of RIPE addresses announced to Internet: 548373764 Equivalent to 32 /8s, 175 /16s and 133 /24s Percentage of available RIPE address space announced: 79.7 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: 20998 Total LACNIC prefixes after maximum aggregation: 3524 LACNIC Deaggregation factor: 5.96 Prefixes being announced from the LACNIC address blocks: 23232 Unique aggregates announced from the LACNIC address blocks: 10439 LACNIC Region origin ASes present in the Internet Routing Table: 1009 LACNIC Prefixes per ASN: 23.02 LACNIC Region origin ASes announcing only one prefix: 258 LACNIC Region transit ASes present in the Internet Routing Table: 243 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 630 Number of LACNIC addresses announced to Internet: 72150560 Equivalent to 4 /8s, 76 /16s and 238 /24s Percentage of available LACNIC address space announced: 43.0 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: 6759 Total AfriNIC prefixes after maximum aggregation: 1134 AfriNIC Deaggregation factor: 5.96 Prefixes being announced from the AfriNIC address blocks: 6994 Unique aggregates announced from the AfriNIC address blocks: 2064 AfriNIC Region origin ASes present in the Internet Routing Table: 392 AfriNIC Prefixes per ASN: 17.84 AfriNIC Region origin ASes announcing only one prefix: 112 AfriNIC Region transit ASes present in the Internet Routing Table: 94 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: 3 Number of AfriNIC addresses announced to Internet: 23734528 Equivalent to 1 /8s, 106 /16s and 41 /24s Percentage of available AfriNIC address space announced: 23.6 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 17974 2051 678 47 PT TELEKOMUNIKASI INDONESIA 9829 1271 1068 25 BSNL National Internet Backbo 7545 1252 217 20 TPG Internet Pty Ltd 4766 1140 8409 574 Korea Telecom (KIX) 4755 1113 310 98 TATA Communications formerly 7552 1066 1054 9 Vietel Corporation 24560 1017 384 140 Bharti Airtel Ltd., Telemedia 9498 884 276 49 BHARTI Airtel Ltd. 4808 726 1581 181 CNCGROUP IP network: China169 17488 577 135 181 Hathway IP Over Cable Interne 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 2956 878 80 Windstream Communications Inc 6389 2739 3537 137 bellsouth.net, inc. 18566 1924 369 140 Covad Communications 22773 1729 2908 64 Cox Communications, Inc. 20115 1590 1568 569 Charter Communications 30036 1445 284 732 Mediacom Communications Corp 11492 1197 217 345 Cable One 7011 1157 311 676 Citizens Utilities 1785 1007 378 32 PaeTec Communications, Inc. 19262 952 4686 386 Verizon Global Networks 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 1561 538 12 Corbina telecom 15557 1182 2232 27 LDCOM NETWORKS 12479 818 759 79 Uni2 Autonomous System 20940 692 226 534 Akamai Technologies European 31148 678 35 6 FreeNet ISP 13188 656 100 8 Educational Network 58113 613 69 359 LIR DATACENTER TELECOM SRL 8551 528 336 40 Bezeq International 34984 386 131 63 BILISIM TELEKOM 6830 379 2066 213 UPC Distribution Services 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 1780 1042 32 NET Servicos de Comunicao S.A 6503 1113 360 18 AVANTEL, S.A. 10620 1107 221 152 TVCABLE BOGOTA 8151 1064 2424 191 UniNet S.A. de C.V. 7303 997 761 111 Telecom Argentina Stet-France 18881 528 576 11 Global Village Telecom 27747 448 104 4 Telecentro S.A. 27947 423 54 65 Telconet S.A 7738 368 704 12 Telecomunicacoes da Bahia S.A 14420 348 61 64 CORPORACION NACIONAL DE TELEC 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 855 402 8 TEDATA 24863 663 125 28 LINKdotNET AS number 36998 534 48 3 MOBITEL 6713 412 539 11 Itissalat Al-MAGHRIB 24835 213 44 5 RAYA Telecom - Egypt 33776 190 12 10 Starcomms Nigeria Limited 29975 172 665 17 Vodacom 12258 142 14 51 Vodacom Internet Company 36923 138 20 4 Swift Networks Limited 29571 130 11 17 Ci Telecom Autonomous system 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 2956 878 80 Windstream Communications Inc 6389 2739 3537 137 bellsouth.net, inc. 17974 2051 678 47 PT TELEKOMUNIKASI INDONESIA 18566 1924 369 140 Covad Communications 28573 1780 1042 32 NET Servicos de Comunicao S.A 22773 1729 2908 64 Cox Communications, Inc. 20115 1590 1568 569 Charter Communications 8402 1561 538 12 Corbina telecom 30036 1445 284 732 Mediacom Communications Corp 9829 1271 1068 25 BSNL National Internet Backbo 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 2739 2602 bellsouth.net, inc. 17974 2051 2004 PT TELEKOMUNIKASI INDONESIA 18566 1924 1784 Covad Communications 28573 1780 1748 NET Servicos de Comunicao S.A 22773 1729 1665 Cox Communications, Inc. 8402 1561 1549 Corbina telecom 9829 1271 1246 BSNL National Internet Backbo 7545 1252 1232 TPG Internet Pty Ltd 15557 1182 1155 LDCOM NETWORKS 6503 1113 1095 AVANTEL, S.A. 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 59521 UNALLOCATED 5.134.192.0/21 29518 Labs2 59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS 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 5.149.68.0/24 35567 DASTO semtel d.o.o. Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 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 41.207.224.0/23 36898 UniNet Communications 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 /8:18 /9:13 /10:26 /11:74 /12:215 /13:411 /14:694 /15:1253 /16:10162 /17:5045 /18:8043 /19:13810 /20:22484 /21:23365 /22:28877 /23:25440 /24:122522 /25:622 /26:961 /27:404 /28:89 /29:30 /30:7 /31:0 /32:17 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2468 2956 Windstream Communications Inc 18566 1890 1924 Covad Communications 6389 1534 2739 bellsouth.net, inc. 30036 1381 1445 Mediacom Communications Corp 8402 1292 1561 Corbina telecom 22773 1167 1729 Cox Communications, Inc. 11492 1160 1197 Cable One 15557 1156 1182 LDCOM NETWORKS 7011 907 1157 Citizens Utilities 6503 857 1113 AVANTEL, S.A. Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:557 2:768 3:1 4:13 5:364 6:3 8:439 12:2006 13:1 14:647 15:11 16:3 17:6 20:27 23:204 24:1804 27:1324 31:1038 32:56 33:2 34:2 36:8 37:716 38:826 39:1 40:133 41:2852 42:155 44:3 46:1584 47:2 49:468 50:592 52:13 54:17 55:7 56:1 57:31 58:990 59:523 60:238 61:1284 62:991 63:2009 64:4264 65:2245 66:4520 67:2044 68:1157 69:3208 70:989 71:525 72:1861 74:2572 75:491 76:330 77:952 78:906 79:490 80:1276 81:956 82:633 83:534 84:622 85:1136 86:787 87:928 88:350 89:1809 90:301 91:5128 92:591 93:1481 94:1568 95:1268 96:414 97:317 98:892 99:39 100:23 101:261 103:1433 105:512 106:115 107:195 108:431 109:1908 110:795 111:956 112:430 113:686 114:652 115:847 116:888 117:729 118:934 119:1245 120:301 121:690 122:1657 123:1171 124:1356 125:1265 128:525 129:183 130:283 131:626 132:299 133:22 134:246 135:61 136:218 137:239 138:338 139:184 140:501 141:275 142:483 143:361 144:486 145:81 146:512 147:258 148:758 149:300 150:156 151:168 152:458 153:177 154:20 155:414 156:224 157:382 158:179 159:631 160:348 161:409 162:404 163:189 164:689 165:411 166:560 167:538 168:957 169:125 170:907 171:145 172:5 173:1717 174:632 175:440 176:603 177:1050 178:1692 180:1347 181:127 182:1037 183:223 184:590 186:2150 187:1078 188:1440 189:1545 190:1332 End of report