Routing Table Report 00:00 GMT Thu 20 Oct, 2011 NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately. Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/rviews/ Analysis Summary ---------------- BGP routing table entries examined: 381900 Prefixes after maximum aggregation: 170879 Deaggregation factor: 2.23 Unique aggregates announced to Internet: 185272 Total ASes present in the Internet Routing Table: 39139 Prefixes per ASN: 9.76 Origin-only ASes present in the Internet Routing Table: 32360 Origin ASes announcing only one prefix: 15519 Transit ASes present in the Internet Routing Table: 5248 Transit-only ASes present in the Internet Routing Table: 142 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 33 Max AS path prepend of ASN (51310) 25 Prefixes from unregistered ASNs in the Routing Table: 5003 Unregistered ASNs in the Routing Table: 831 Number of 32-bit ASNs allocated by the RIRs: 1870 Number of 32-bit ASNs visible in the Routing Table: 1531 Prefixes from 32-bit ASNs in the Routing Table: 3505 Special use prefixes present in the Routing Table: 90 Prefixes being announced from unallocated address space: 90 Number of addresses announced to Internet: 2485348106 Equivalent to 148 /8s, 35 /16s and 103 /24s Percentage of available address space announced: 67.1 Percentage of allocated address space announced: 67.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 159452 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 92591 Total APNIC prefixes after maximum aggregation: 29782 APNIC Deaggregation factor: 3.11 Prefixes being announced from the APNIC address blocks: 89151 Unique aggregates announced from the APNIC address blocks: 37948 APNIC Region origin ASes present in the Internet Routing Table: 4570 APNIC Prefixes per ASN: 19.51 APNIC Region origin ASes announcing only one prefix: 1274 APNIC Region transit ASes present in the Internet Routing Table: 719 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 94 Number of APNIC addresses announced to Internet: 628786432 Equivalent to 37 /8s, 122 /16s and 133 /24s Percentage of available APNIC address space announced: 79.7 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 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, 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: 148504 Total ARIN prefixes after maximum aggregation: 76511 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 120192 Unique aggregates announced from the ARIN address blocks: 47831 ARIN Region origin ASes present in the Internet Routing Table: 14760 ARIN Prefixes per ASN: 8.14 ARIN Region origin ASes announcing only one prefix: 5666 ARIN Region transit ASes present in the Internet Routing Table: 1531 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804792088 Equivalent to 47 /8s, 248 /16s and 39 /24s Percentage of available ARIN address space announced: 64.0 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, 173/8, 174/8, 184/8, 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: 92801 Total RIPE prefixes after maximum aggregation: 50785 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 84620 Unique aggregates announced from the RIPE address blocks: 54118 RIPE Region origin ASes present in the Internet Routing Table: 16061 RIPE Prefixes per ASN: 5.27 RIPE Region origin ASes announcing only one prefix: 7974 RIPE Region transit ASes present in the Internet Routing Table: 2538 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1074 Number of RIPE addresses announced to Internet: 491281604 Equivalent to 29 /8s, 72 /16s and 92 /24s Percentage of available RIPE address space announced: 79.1 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 196608-198655 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, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 35762 Total LACNIC prefixes after maximum aggregation: 7929 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 35088 Unique aggregates announced from the LACNIC address blocks: 17964 LACNIC Region origin ASes present in the Internet Routing Table: 1541 LACNIC Prefixes per ASN: 22.77 LACNIC Region origin ASes announcing only one prefix: 452 LACNIC Region transit ASes present in the Internet Routing Table: 274 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 347 Number of LACNIC addresses announced to Internet: 91239176 Equivalent to 5 /8s, 112 /16s and 51 /24s Percentage of available LACNIC address space announced: 60.4 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, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 8538 Total AfriNIC prefixes after maximum aggregation: 2026 AfriNIC Deaggregation factor: 4.21 Prefixes being announced from the AfriNIC address blocks: 6601 Unique aggregates announced from the AfriNIC address blocks: 1974 AfriNIC Region origin ASes present in the Internet Routing Table: 489 AfriNIC Prefixes per ASN: 13.50 AfriNIC Region origin ASes announcing only one prefix: 153 AfriNIC Region transit ASes present in the Internet Routing Table: 108 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27832320 Equivalent to 1 /8s, 168 /16s and 176 /24s Percentage of available AfriNIC address space announced: 41.5 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4766 1938 11103 657 Korea Telecom (KIX) 17974 1904 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1607 303 86 TPG Internet Pty Ltd 4755 1536 635 173 Videsh Sanchar Nigam Ltd. Aut 7552 1389 1064 8 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1086 80 502 Sify Limited 4808 1037 2076 303 CNCGROUP IP network: China169 24560 973 341 224 Bharti Airtel Ltd. 18101 953 166 149 Reliance Infocom Ltd Internet Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3547 3815 222 bellsouth.net, inc. 7029 2291 1042 210 Windstream Communications Inc 18566 2098 383 177 Covad Communications 1785 1839 680 123 AppliedTheory Corporation 4323 1627 1099 391 Time Warner Telecom 20115 1589 1544 625 Charter Communications 22773 1462 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1393 251 671 Mediacom Communications Corp 7018 1342 7095 851 AT&T WorldNet Services Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8402 1498 352 13 Corbina telecom 286 1091 827 211 KPNQwest Backbone AS 6830 654 1927 415 UPC Distribution Services 34984 583 108 179 Tellcom Iletisim Hizmetleri 20940 549 184 421 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3292 532 2080 409 TDC Tele Danmark 3320 502 8169 382 Deutsche Telekom AG 12479 482 593 7 Uni2 Autonomous System 8866 459 133 26 Bulgarian Telecommunication C Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 1685 311 157 TVCABLE BOGOTA 8151 1464 2860 347 Uninet S.A. de C.V. 28573 1431 1032 69 Types of queries are: POCs, o 7303 1165 684 176 Telecom Argentina Stet-France 27947 593 72 79 Telconet S.A 6503 582 450 71 AVANTEL, S.A. 22047 580 322 17 Types of queries are: POCs, o 7738 552 1050 31 Telecomunicacoes da Bahia S.A 10481 548 430 20 Prima S.A. 3816 541 233 96 COLOMBIA TELECOMUNICACIONES S Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 799 146 34 LINKdotNET AS number 8452 647 446 12 TEDATA 15475 443 74 8 Nile Online 36992 300 415 21 Etisalat MISR 3741 279 938 230 The Internet Solution 6713 242 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 29571 218 18 14 Ci Telecom Autonomous system 33776 207 13 14 Starcomms Nigeria Limited 12258 197 28 58 YEBO-AS Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 6389 3547 3815 222 bellsouth.net, inc. 7029 2291 1042 210 Windstream Communications Inc 18566 2098 383 177 Covad Communications 4766 1938 11103 657 Korea Telecom (KIX) 17974 1904 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1839 680 123 AppliedTheory Corporation 10620 1685 311 157 TVCABLE BOGOTA 4323 1627 1099 391 Time Warner Telecom 7545 1607 303 86 TPG Internet Pty Ltd 20115 1589 1544 625 Charter Communications Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 7029 2291 2081 Windstream Communications Inc 18566 2098 1921 Covad Communications 17974 1904 1871 PT TELEKOMUNIKASI INDONESIA 1785 1839 1716 AppliedTheory Corporation 10620 1685 1528 TVCABLE BOGOTA 7545 1607 1521 TPG Internet Pty Ltd 8402 1498 1485 Corbina telecom 7552 1389 1381 Vietel Corporation 4755 1536 1363 Videsh Sanchar Nigam Ltd. Aut 22773 1462 1362 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/rviews/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 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 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 32873 UNALLOCATED 12.46.100.0/23 7018 AT&T WorldNet Servic Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 10.29.244.56/29 286 KPNQwest Backbone AS 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.2/32 286 KPNQwest Backbone AS 10.29.245.15/32 286 KPNQwest Backbone AS 10.29.245.19/32 286 KPNQwest Backbone AS 10.29.245.20/32 286 KPNQwest Backbone AS 10.29.245.21/32 286 KPNQwest Backbone AS 10.29.245.22/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless 64.21.192.0/20 11610 Internet Nebraska Complete listing at http://thyme.rand.apnic.net/rviews/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 /8:20 /9:12 /10:27 /11:81 /12:235 /13:464 /14:812 /15:1456 /16:12124 /17:6292 /18:10387 /19:20509 /20:28548 /21:27752 /22:37352 /23:35613 /24:198551 /25:67 /26:85 /27:116 /28:283 /29:108 /30:478 /31:51 /32:477 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6389 2185 3547 bellsouth.net, inc. 18566 2047 2098 Covad Communications 7029 1948 2291 Windstream Communications Inc 10620 1580 1685 TVCABLE BOGOTA 8402 1475 1498 Corbina telecom 30036 1355 1393 Mediacom Communications Corp 11492 1118 1156 Cable One 1785 1057 1839 AppliedTheory Corporation 7011 1048 1166 Citizens Utilities 22773 950 1462 Cox Communications, Inc. Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:412 2:486 4:19 5:1 6:3 8:363 12:1960 13:1 14:543 15:11 16:3 17:7 20:9 23:58 24:1682 27:966 31:603 32:150 33:4 34:2 36:4 38:756 39:1 40:110 41:2666 42:54 44:3 46:1004 47:3 49:296 50:438 52:13 55:6 56:2 57:47 58:888 59:491 60:364 61:1186 62:1102 63:1954 64:4105 65:2310 66:4312 67:1988 68:1328 69:3347 70:937 71:376 72:1893 73:1 74:2637 75:399 76:354 77:886 78:868 79:479 80:1147 81:828 82:514 83:531 84:628 85:1125 86:411 87:897 88:360 89:1600 90:269 91:4222 92:528 93:1544 94:1306 95:1087 96:441 97:283 98:923 99:37 101:216 103:372 106:70 107:72 108:74 109:1069 110:675 111:788 112:332 113:486 114:615 115:704 116:905 117:712 118:916 119:1238 120:339 121:712 122:1572 123:1023 124:1362 125:1385 128:258 129:185 130:166 131:594 132:144 133:21 134:220 135:54 136:213 137:140 138:286 139:132 140:488 141:298 142:386 143:442 144:494 145:64 146:471 147:228 148:695 149:267 150:166 151:192 152:448 153:178 154:7 155:385 156:206 157:362 158:152 159:479 160:324 161:214 162:340 163:174 164:509 165:385 166:536 167:439 168:743 169:146 170:872 171:86 172:4 173:1709 174:685 175:437 176:285 177:337 178:1065 180:1097 181:36 182:648 183:218 184:375 185:1 186:1282 187:706 188:940 189:873 190:5121 192:5940 193:5050 194:3582 195:3133 196:1260 197:164 198:3633 199:4179 200:5515 201:1660 202:8565 203:8509 204:4299 205:2372 206:2705 207:2833 208:4076 209:3627 210:2725 211:1462 212:2106 213:1745 214:783 215:91 216:5015 217:1610 218:569 219:341 220:1244 221:515 222:348 223:278 End of report