Routing Table Report 00:00 GMT Sun 27 May, 2012 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: 413054 Prefixes after maximum aggregation: 174551 Deaggregation factor: 2.37 Unique aggregates announced to Internet: 198576 Total ASes present in the Internet Routing Table: 40912 Prefixes per ASN: 10.10 Origin-only ASes present in the Internet Routing Table: 33200 Origin ASes announcing only one prefix: 15639 Transit ASes present in the Internet Routing Table: 5407 Transit-only ASes present in the Internet Routing Table: 126 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 30 Max AS path prepend of ASN ( 2115) 25 Prefixes from unregistered ASNs in the Routing Table: 6222 Unregistered ASNs in the Routing Table: 141 Number of 32-bit ASNs allocated by the RIRs: 2750 Number of 32-bit ASNs visible in the Routing Table: 2305 Prefixes from 32-bit ASNs in the Routing Table: 5778 Special use prefixes present in the Routing Table: 87 Prefixes being announced from unallocated address space: 112 Number of addresses announced to Internet: 2544956213 Equivalent to 151 /8s, 176 /16s and 243 /24s Percentage of available address space announced: 68.7 Percentage of allocated address space announced: 68.7 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 92.8 Total number of prefixes smaller than registry allocations: 175423 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 97666 Total APNIC prefixes after maximum aggregation: 31161 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 94189 Unique aggregates announced from the APNIC address blocks: 39809 APNIC Region origin ASes present in the Internet Routing Table: 4667 APNIC Prefixes per ASN: 20.18 APNIC Region origin ASes announcing only one prefix: 1251 APNIC Region transit ASes present in the Internet Routing Table: 728 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 198 Number of APNIC addresses announced to Internet: 644385024 Equivalent to 38 /8s, 104 /16s and 137 /24s Percentage of available APNIC address space announced: 81.7 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: 153387 Total ARIN prefixes after maximum aggregation: 78691 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124138 Unique aggregates announced from the ARIN address blocks: 50650 ARIN Region origin ASes present in the Internet Routing Table: 15094 ARIN Prefixes per ASN: 8.22 ARIN Region origin ASes announcing only one prefix: 5735 ARIN Region transit ASes present in the Internet Routing Table: 1552 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 17 Number of ARIN addresses announced to Internet: 810127872 Equivalent to 48 /8s, 73 /16s and 146 /24s Percentage of available ARIN address space announced: 64.6 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, 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: 105264 Total RIPE prefixes after maximum aggregation: 54221 RIPE Deaggregation factor: 1.94 Prefixes being announced from the RIPE address blocks: 96272 Unique aggregates announced from the RIPE address blocks: 58518 RIPE Region origin ASes present in the Internet Routing Table: 16554 RIPE Prefixes per ASN: 5.82 RIPE Region origin ASes announcing only one prefix: 8042 RIPE Region transit ASes present in the Internet Routing Table: 2627 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1551 Number of RIPE addresses announced to Internet: 512014988 Equivalent to 30 /8s, 132 /16s and 186 /24s Percentage of available RIPE address space announced: 82.5 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 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: 41750 Total LACNIC prefixes after maximum aggregation: 8250 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 41649 Unique aggregates announced from the LACNIC address blocks: 20310 LACNIC Region origin ASes present in the Internet Routing Table: 1592 LACNIC Prefixes per ASN: 26.16 LACNIC Region origin ASes announcing only one prefix: 441 LACNIC Region transit ASes present in the Internet Routing Table: 297 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 22 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 534 Number of LACNIC addresses announced to Internet: 100089864 Equivalent to 5 /8s, 247 /16s and 64 /24s Percentage of available LACNIC address space announced: 66.3 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: 8990 Total AfriNIC prefixes after maximum aggregation: 2164 AfriNIC Deaggregation factor: 4.15 Prefixes being announced from the AfriNIC address blocks: 7013 Unique aggregates announced from the AfriNIC address blocks: 2231 AfriNIC Region origin ASes present in the Internet Routing Table: 538 AfriNIC Prefixes per ASN: 13.04 AfriNIC Region origin ASes announcing only one prefix: 170 AfriNIC Region transit ASes present in the Internet Routing Table: 123 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 5 Number of AfriNIC addresses announced to Internet: 31809792 Equivalent to 1 /8s, 229 /16s and 97 /24s Percentage of available AfriNIC address space announced: 47.4 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 1937 11105 694 Korea Telecom (KIX) 17974 1868 510 73 PT TELEKOMUNIKASI INDONESIA 7545 1659 301 87 TPG Internet Pty Ltd 4755 1576 385 156 Videsh Sanchar Nigam Ltd. Aut 9829 1281 1069 30 BSNL National Internet Backbo 7552 1178 1062 11 Vietel Corporation 9583 1149 85 494 Sify Limited 24560 1027 385 167 Bharti Airtel Ltd. 4808 976 1960 288 CNCGROUP IP network: China169 9498 963 291 65 BHARTI Airtel Ltd. 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 3425 3807 195 bellsouth.net, inc. 7029 3414 1016 171 Windstream Communications Inc 18566 2092 382 179 Covad Communications 1785 1910 680 130 AppliedTheory Corporation 20115 1640 1566 619 Charter Communications 4323 1602 1060 383 Time Warner Telecom 22773 1591 2911 115 Cox Communications, Inc. 30036 1423 261 761 Mediacom Communications Corp 7018 1254 14150 823 AT&T WorldNet Services 11492 1186 216 364 Cable One 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 1594 544 16 Corbina telecom 2118 1304 97 14 EUnet/RELCOM Autonomous Syste 15557 1160 2247 53 LDCOM NETWORKS 286 1059 853 197 KPNQwest Backbone AS 34984 688 188 172 Tellcom Iletisim Hizmetleri 31148 683 37 9 FreeNet ISP 12479 672 669 68 Uni2 Autonomous System 6830 657 2216 428 UPC Distribution Services 20940 632 208 501 Akamai Technologies European 8551 574 360 80 Bezeq International 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 1854 332 179 TVCABLE BOGOTA 28573 1825 1130 59 Types of queries are: POCs, o 6503 1545 418 67 AVANTEL, S.A. 8151 1514 2981 321 Uninet S.A. de C.V. 7303 1371 837 188 Telecom Argentina Stet-France 26615 904 761 33 Types of queries are: POCs, o 27947 686 74 98 Telconet S.A 11172 643 91 73 Alestra 22047 582 326 15 Types of queries are: POCs, o 3816 577 242 100 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 8452 1308 958 13 TEDATA 24863 841 274 33 LINKdotNET AS number 6713 493 649 18 Itissalat Al-MAGHRIB 3741 263 921 223 The Internet Solution 12258 197 28 62 YEBO-AS 33776 197 12 21 Starcomms Nigeria Limited 24835 179 80 8 RAYA Telecom - Egypt 15706 169 32 6 Sudatel Internet Exchange Aut 16637 157 666 86 Johnnic e-Ventures 29571 157 15 16 Ci Telecom Autonomous system 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 3425 3807 195 bellsouth.net, inc. 7029 3414 1016 171 Windstream Communications Inc 18566 2092 382 179 Covad Communications 4766 1937 11105 694 Korea Telecom (KIX) 1785 1910 680 130 AppliedTheory Corporation 17974 1868 510 73 PT TELEKOMUNIKASI INDONESIA 10620 1854 332 179 TVCABLE BOGOTA 28573 1825 1130 59 Types of queries are: POCs, o 7545 1659 301 87 TPG Internet Pty Ltd 20115 1640 1566 619 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 3414 3243 Windstream Communications Inc 18566 2092 1913 Covad Communications 17974 1868 1795 PT TELEKOMUNIKASI INDONESIA 1785 1910 1780 AppliedTheory Corporation 28573 1825 1766 Types of queries are: POCs, o 10620 1854 1675 TVCABLE BOGOTA 8402 1594 1578 Corbina telecom 7545 1659 1572 TPG Internet Pty Ltd 6503 1545 1478 AVANTEL, S.A. 22773 1591 1476 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 65220 PRIVATE 5.1.32.0/21 23456 >>UNKNOWN<< 23456 UNALLOCATED 5.1.56.0/21 2819 KPNQwest Czechia AS 23456 UNALLOCATED 5.1.104.0/21 56484 FastIraq, LLC 23456 UNALLOCATED 5.1.112.0/21 8220 COLT Telecommunicati 23456 UNALLOCATED 5.2.0.0/21 8928 Interoute Telecommun 23456 UNALLOCATED 8.10.2.0/24 3257 Tiscali Intl Network 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 23502 UNALLOCATED 12.44.44.0/24 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 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.2/32 286 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 10.29.245.27/32 286 KPNQwest Backbone AS 10.29.245.28/32 286 KPNQwest Backbone AS Complete listing at http://thyme.rand.apnic.net/rviews/data-dsua 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 27.54.144.0/24 45774 Chandra Net Pvt. Limited, Ind 27.54.151.0/24 45774 Chandra Net Pvt. Limited, Ind 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 /8:19 /9:12 /10:28 /11:82 /12:235 /13:460 /14:838 /15:1534 /16:12403 /17:6517 /18:10965 /19:21213 /20:30298 /21:30576 /22:41193 /23:38657 /24:216411 /25:71 /26:76 /27:105 /28:267 /29:112 /30:500 /31:21 /32:461 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3052 3414 Windstream Communications Inc 6389 2142 3425 bellsouth.net, inc. 18566 2041 2092 Covad Communications 10620 1712 1854 TVCABLE BOGOTA 8402 1572 1594 Corbina telecom 30036 1367 1423 Mediacom Communications Corp 6503 1300 1545 AVANTEL, S.A. 11492 1149 1186 Cable One 8452 1109 1308 TEDATA 15557 1107 1160 LDCOM NETWORKS Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:541 2:531 4:18 6:3 8:407 12:1997 13:1 14:615 15:12 16:3 17:5 20:23 23:165 24:1770 27:1293 31:976 32:119 33:2 34:2 36:8 37:428 38:800 39:4 40:120 41:3101 42:136 44:3 46:1432 47:3 49:419 50:551 52:13 54:10 55:11 56:3 57:38 58:964 59:488 60:253 61:1220 62:1041 63:2052 64:4203 65:2254 66:4505 67:2059 68:1347 69:3294 70:951 71:485 72:1859 73:1 74:2665 75:507 76:329 77:944 78:986 79:506 80:1257 81:916 82:691 83:549 84:603 85:1216 86:774 87:931 88:353 89:1682 90:291 91:4801 92:530 93:1632 94:1514 95:896 96:370 97:316 98:870 99:37 100:7 101:189 103:1049 106:101 107:191 108:286 109:1695 110:770 111:920 112:454 113:605 114:635 115:809 116:935 117:723 118:922 119:1232 120:357 121:715 122:1674 123:1111 124:1390 125:1241 128:563 129:197 130:255 131:624 132:179 133:22 134:248 135:62 136:215 137:176 138:356 139:195 140:494 141:245 142:411 143:432 144:522 145:70 146:501 147:292 148:808 149:307 150:158 151:180 152:466 153:172 154:12 155:417 156:217 157:378 158:176 159:546 160:338 161:260 162:348 163:191 164:584 165:420 166:573 167:467 168:823 169:129 170:863 171:127 172:2 173:1780 174:580 175:444 176:651 177:718 178:1358 180:1238 181:82 182:967 183:292 184:481 185:1 186:2281 187:1073 188:1232 189:1783 190:5598 192:6046 193:5583 194:4698 195:3689 196:1281 197:134 198:3676 199:4600 200:5848 201:1943 202:8567 203:8648 204:4343 205:2513 206:2770 207:2808 208:4075 209:3656 210:2757 211:1492 212:2055 213:1947 214:853 215:103 216:5142 217:1547 218:546 219:333 220:1239 221:558 222:328 223:337 End of report