Routing Table Report 00:00 GMT Sat 25 Feb, 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: 402474 Prefixes after maximum aggregation: 171678 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 193646 Total ASes present in the Internet Routing Table: 40233 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32925 Origin ASes announcing only one prefix: 15556 Transit ASes present in the Internet Routing Table: 5292 Transit-only ASes present in the Internet Routing Table: 131 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 28 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5220 Unregistered ASNs in the Routing Table: 151 Number of 32-bit ASNs allocated by the RIRs: 2294 Number of 32-bit ASNs visible in the Routing Table: 2016 Prefixes from 32-bit ASNs in the Routing Table: 4845 Special use prefixes present in the Routing Table: 87 Prefixes being announced from unallocated address space: 309 Number of addresses announced to Internet: 2522178781 Equivalent to 150 /8s, 85 /16s and 100 /24s Percentage of available address space announced: 68.0 Percentage of allocated address space announced: 68.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 169605 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 96355 Total APNIC prefixes after maximum aggregation: 30671 APNIC Deaggregation factor: 3.14 Prefixes being announced from the APNIC address blocks: 92759 Unique aggregates announced from the APNIC address blocks: 39238 APNIC Region origin ASes present in the Internet Routing Table: 4641 APNIC Prefixes per ASN: 19.99 APNIC Region origin ASes announcing only one prefix: 1242 APNIC Region transit ASes present in the Internet Routing Table: 738 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 151 Number of APNIC addresses announced to Internet: 640058368 Equivalent to 38 /8s, 38 /16s and 132 /24s Percentage of available APNIC address space announced: 81.2 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: 151220 Total ARIN prefixes after maximum aggregation: 77791 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 122748 Unique aggregates announced from the ARIN address blocks: 49587 ARIN Region origin ASes present in the Internet Routing Table: 14939 ARIN Prefixes per ASN: 8.22 ARIN Region origin ASes announcing only one prefix: 5683 ARIN Region transit ASes present in the Internet Routing Table: 1520 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 805521160 Equivalent to 48 /8s, 3 /16s and 71 /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: 101589 Total RIPE prefixes after maximum aggregation: 52895 RIPE Deaggregation factor: 1.92 Prefixes being announced from the RIPE address blocks: 92436 Unique aggregates announced from the RIPE address blocks: 56754 RIPE Region origin ASes present in the Internet Routing Table: 16356 RIPE Prefixes per ASN: 5.65 RIPE Region origin ASes announcing only one prefix: 8025 RIPE Region transit ASes present in the Internet Routing Table: 2558 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1387 Number of RIPE addresses announced to Internet: 501149580 Equivalent to 29 /8s, 222 /16s and 239 /24s Percentage of available RIPE address space announced: 80.7 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 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: 39280 Total LACNIC prefixes after maximum aggregation: 8107 LACNIC Deaggregation factor: 4.85 Prefixes being announced from the LACNIC address blocks: 38890 Unique aggregates announced from the LACNIC address blocks: 19547 LACNIC Region origin ASes present in the Internet Routing Table: 1575 LACNIC Prefixes per ASN: 24.69 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 289 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 459 Number of LACNIC addresses announced to Internet: 97430792 Equivalent to 5 /8s, 206 /16s and 173 /24s Percentage of available LACNIC address space announced: 64.5 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: 8964 Total AfriNIC prefixes after maximum aggregation: 2119 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 6980 Unique aggregates announced from the AfriNIC address blocks: 2104 AfriNIC Region origin ASes present in the Internet Routing Table: 517 AfriNIC Prefixes per ASN: 13.50 AfriNIC Region origin ASes announcing only one prefix: 161 AfriNIC Region transit ASes present in the Internet Routing Table: 120 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 31527424 Equivalent to 1 /8s, 225 /16s and 18 /24s Percentage of available AfriNIC address space announced: 47.0 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 1919 11099 676 Korea Telecom (KIX) 17974 1728 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1637 303 86 TPG Internet Pty Ltd 4755 1557 385 157 Videsh Sanchar Nigam Ltd. Aut 7552 1282 1064 7 Vietel Corporation 9583 1126 84 483 Sify Limited 9829 1107 996 29 BSNL National Internet Backbo 4808 1072 2043 308 CNCGROUP IP network: China169 24560 1023 385 167 Bharti Airtel Ltd. 18101 949 130 155 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 3433 3807 200 bellsouth.net, inc. 7029 3242 1019 162 Windstream Communications Inc 18566 2093 382 177 Covad Communications 1785 1876 680 126 AppliedTheory Corporation 20115 1629 1551 629 Charter Communications 4323 1605 1059 379 Time Warner Telecom 22773 1536 2910 110 Cox Communications, Inc. 30036 1415 254 745 Mediacom Communications Corp 19262 1388 4703 398 Verizon Global Networks 7018 1317 7013 857 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 1729 480 15 Corbina telecom 2118 1399 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 LDCOM NETWORKS 286 1057 806 200 KPNQwest Backbone AS 34984 657 188 172 Tellcom Iletisim Hizmetleri 6830 644 1927 413 UPC Distribution Services 20940 616 199 479 Akamai Technologies European 12479 608 644 55 Uni2 Autonomous System 8551 568 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s 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 1751 324 171 TVCABLE BOGOTA 28573 1683 1088 62 Types of queries are: POCs, o 8151 1525 2992 345 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina Stet-France 26615 880 668 32 Types of queries are: POCs, o 27947 663 67 108 Telconet S.A 11172 632 91 72 Alestra 6503 584 418 67 AVANTEL, S.A. 22047 581 322 17 Types of queries are: POCs, o 3816 558 238 91 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 1255 958 13 TEDATA 24863 832 274 35 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 YEBO-AS 24835 194 80 8 RAYA Telecom - Egypt 33776 182 12 20 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited 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 3433 3807 200 bellsouth.net, inc. 7029 3242 1019 162 Windstream Communications Inc 18566 2093 382 177 Covad Communications 4766 1919 11099 676 Korea Telecom (KIX) 1785 1876 680 126 AppliedTheory Corporation 10620 1751 324 171 TVCABLE BOGOTA 8402 1729 480 15 Corbina telecom 17974 1728 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1683 1088 62 Types of queries are: POCs, o 7545 1637 303 86 TPG Internet Pty Ltd 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 3242 3080 Windstream Communications Inc 18566 2093 1916 Covad Communications 1785 1876 1750 AppliedTheory Corporation 8402 1729 1714 Corbina telecom 17974 1728 1692 PT TELEKOMUNIKASI INDONESIA 28573 1683 1621 Types of queries are: POCs, o 10620 1751 1580 TVCABLE BOGOTA 7545 1637 1551 TPG Internet Pty Ltd 22773 1536 1426 Cox Communications, Inc. 4755 1557 1400 Videsh Sanchar Nigam Ltd. Aut Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 23456 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati 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 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 10.29.245.15/32 286 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 10.29.245.27/32 286 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 23.27.0.0/16 18779 Guru.com 27.112.114.0/24 23884 Proimage Engineering and Comm 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 /11:81 /12:232 /13:459 /14:817 /15:1506 /16:12299 /17:6485 /18:10766 /19:21049 /20:29623 /21:29764 /22:40218 /23:37598 /24:209888 /25:67 /26:81 /27:109 /28:279 /29:105 /30:521 /31:18 /32:450 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 2891 3242 Windstream Communications Inc 6389 2106 3433 bellsouth.net, inc. 18566 2042 2093 Covad Communications 8402 1708 1729 Corbina telecom 10620 1648 1751 TVCABLE BOGOTA 30036 1365 1415 Mediacom Communications Corp 11492 1122 1159 Cable One 1785 1064 1876 AppliedTheory Corporation 8452 1063 1255 TEDATA 15557 1046 1099 LDCOM NETWORKS Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:507 2:699 4:18 6:3 8:389 12:1965 13:1 14:598 15:11 16:3 17:7 20:8 23:134 24:1745 27:1196 31:950 32:124 33:2 34:2 36:9 37:200 38:782 39:4 40:116 41:3107 42:113 43:1 44:3 46:1332 47:3 49:322 50:512 52:13 54:2 55:8 56:3 57:46 58:971 59:494 60:345 61:1202 62:976 63:2026 64:4142 65:2286 66:4484 67:2061 68:1351 69:3276 70:955 71:406 72:1821 73:1 74:2701 75:483 76:332 77:971 78:971 79:521 80:1228 81:885 82:642 83:531 84:596 85:1159 86:736 87:922 88:350 89:1578 90:282 91:4519 92:512 93:1352 94:1394 95:1119 96:424 97:311 98:838 99:38 100:4 101:247 103:846 106:66 107:161 108:181 109:1552 110:733 111:855 112:440 113:543 114:615 115:779 116:887 117:724 118:918 119:1264 120:368 121:714 122:1620 123:1086 124:1382 125:1318 128:536 129:193 130:218 131:591 132:162 133:21 134:236 135:62 136:214 137:184 138:268 139:157 140:492 141:260 142:395 143:419 144:515 145:69 146:487 147:251 148:768 149:300 150:163 151:198 152:448 153:171 154:7 155:415 156:212 157:372 158:163 159:517 160:320 161:245 162:342 163:188 164:531 165:413 166:559 167:459 168:765 169:149 170:838 171:117 172:4 173:1739 174:601 175:444 176:509 177:506 178:1286 180:1209 181:68 182:754 183:281 184:433 185:1 186:2038 187:857 188:1086 189:1184 190:5473 192:6008 193:5564 194:4370 195:3442 196:1293 197:167 198:3638 199:4423 200:5712 201:1744 202:8463 203:8695 204:4365 205:2446 206:2759 207:2801 208:4092 209:3579 210:2786 211:1491 212:2072 213:1854 214:834 215:101 216:5042 217:1509 218:552 219:338 220:1231 221:563 222:347 223:311 End of report