Routing Table Report 00:00 GMT Thu 08 Mar, 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: 403633 Prefixes after maximum aggregation: 172086 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 193125 Total ASes present in the Internet Routing Table: 40352 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32823 Origin ASes announcing only one prefix: 15530 Transit ASes present in the Internet Routing Table: 5462 Transit-only ASes present in the Internet Routing Table: 149 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 27 Max AS path prepend of ASN (56677) 25 Prefixes from unregistered ASNs in the Routing Table: 5426 Unregistered ASNs in the Routing Table: 191 Number of 32-bit ASNs allocated by the RIRs: 2311 Number of 32-bit ASNs visible in the Routing Table: 2067 Prefixes from 32-bit ASNs in the Routing Table: 4937 Special use prefixes present in the Routing Table: 87 Prefixes being announced from unallocated address space: 548 Number of addresses announced to Internet: 2544102873 Equivalent to 151 /8s, 163 /16s and 237 /24s Percentage of available address space announced: 68.6 Percentage of allocated address space announced: 68.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 170097 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 96435 Total APNIC prefixes after maximum aggregation: 30899 APNIC Deaggregation factor: 3.12 Prefixes being announced from the APNIC address blocks: 92893 Unique aggregates announced from the APNIC address blocks: 37722 APNIC Region origin ASes present in the Internet Routing Table: 4648 APNIC Prefixes per ASN: 19.99 APNIC Region origin ASes announcing only one prefix: 1244 APNIC Region transit ASes present in the Internet Routing Table: 746 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 162 Number of APNIC addresses announced to Internet: 658775552 Equivalent to 39 /8s, 68 /16s and 30 /24s Percentage of available APNIC address space announced: 83.5 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: 151541 Total ARIN prefixes after maximum aggregation: 77796 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 122877 Unique aggregates announced from the ARIN address blocks: 49848 ARIN Region origin ASes present in the Internet Routing Table: 14963 ARIN Prefixes per ASN: 8.21 ARIN Region origin ASes announcing only one prefix: 5683 ARIN Region transit ASes present in the Internet Routing Table: 1571 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 806650624 Equivalent to 48 /8s, 20 /16s and 131 /24s Percentage of available ARIN address space announced: 64.1 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: 102168 Total RIPE prefixes after maximum aggregation: 53013 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 92777 Unique aggregates announced from the RIPE address blocks: 56919 RIPE Region origin ASes present in the Internet Routing Table: 16349 RIPE Prefixes per ASN: 5.67 RIPE Region origin ASes announcing only one prefix: 7996 RIPE Region transit ASes present in the Internet Routing Table: 2638 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1411 Number of RIPE addresses announced to Internet: 501789068 Equivalent to 29 /8s, 232 /16s and 177 /24s Percentage of available RIPE address space announced: 80.8 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: 39434 Total LACNIC prefixes after maximum aggregation: 8136 LACNIC Deaggregation factor: 4.85 Prefixes being announced from the LACNIC address blocks: 39118 Unique aggregates announced from the LACNIC address blocks: 19700 LACNIC Region origin ASes present in the Internet Routing Table: 1575 LACNIC Prefixes per ASN: 24.84 LACNIC Region origin ASes announcing only one prefix: 438 LACNIC Region transit ASes present in the Internet Routing Table: 291 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 475 Number of LACNIC addresses announced to Internet: 97986568 Equivalent to 5 /8s, 215 /16s and 40 /24s Percentage of available LACNIC address space announced: 64.9 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: 8785 Total AfriNIC prefixes after maximum aggregation: 2126 AfriNIC Deaggregation factor: 4.13 Prefixes being announced from the AfriNIC address blocks: 6874 Unique aggregates announced from the AfriNIC address blocks: 2157 AfriNIC Region origin ASes present in the Internet Routing Table: 523 AfriNIC Prefixes per ASN: 13.14 AfriNIC Region origin ASes announcing only one prefix: 169 AfriNIC Region transit ASes present in the Internet Routing Table: 121 Average AfriNIC Region AS path length visible: 4.7 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: 31565824 Equivalent to 1 /8s, 225 /16s and 168 /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 1921 11099 673 Korea Telecom (KIX) 17974 1733 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1645 303 89 TPG Internet Pty Ltd 4755 1571 386 160 Videsh Sanchar Nigam Ltd. Aut 9583 1197 90 510 Sify Limited 9829 1176 1001 30 BSNL National Internet Backbo 7552 1160 1062 11 Vietel Corporation 24560 1005 383 166 Bharti Airtel Ltd. 18101 949 130 155 Reliance Infocom Ltd Internet 4808 919 1874 266 CNCGROUP IP network: China169 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 7029 3418 1014 159 Windstream Communications Inc 6389 3413 3807 198 bellsouth.net, inc. 18566 2090 382 177 Covad Communications 1785 1875 680 127 AppliedTheory Corporation 20115 1634 1555 633 Charter Communications 4323 1551 1023 361 Time Warner Telecom 22773 1545 2910 111 Cox Communications, Inc. 30036 1416 258 757 Mediacom Communications Corp 19262 1390 4703 399 Verizon Global Networks 7018 1280 10928 838 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 1735 544 16 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1089 2184 60 LDCOM NETWORKS 286 1073 806 201 KPNQwest Backbone AS 34984 658 188 171 Tellcom Iletisim Hizmetleri 6830 640 1926 411 UPC Distribution Services 12479 634 646 54 Uni2 Autonomous System 20940 623 202 483 Akamai Technologies European 8551 604 360 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 1763 326 160 TVCABLE BOGOTA 28573 1676 1089 55 Types of queries are: POCs, o 8151 1524 3012 344 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina Stet-France 26615 898 672 33 Types of queries are: POCs, o 27947 678 68 110 Telconet S.A 11172 634 91 72 Alestra 6503 581 418 67 AVANTEL, S.A. 22047 581 322 17 Types of queries are: POCs, o 3816 559 240 90 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 1250 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 12258 197 28 62 YEBO-AS 33776 186 12 19 Starcomms Nigeria Limited 24835 181 80 8 RAYA Telecom - Egypt 36923 157 20 4 Swift Networks Limited 29571 153 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 7029 3418 1014 159 Windstream Communications Inc 6389 3413 3807 198 bellsouth.net, inc. 18566 2090 382 177 Covad Communications 4766 1921 11099 673 Korea Telecom (KIX) 1785 1875 680 127 AppliedTheory Corporation 10620 1763 326 160 TVCABLE BOGOTA 8402 1735 544 16 Corbina telecom 17974 1733 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1676 1089 55 Types of queries are: POCs, o 7545 1645 303 89 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 6389 3413 3215 bellsouth.net, inc. 18566 2090 1913 Covad Communications 1785 1875 1748 AppliedTheory Corporation 8402 1735 1719 Corbina telecom 17974 1733 1697 PT TELEKOMUNIKASI INDONESIA 28573 1676 1621 Types of queries are: POCs, o 10620 1763 1603 TVCABLE BOGOTA 7545 1645 1556 TPG Internet Pty Ltd 22773 1545 1434 Cox Communications, Inc. 4755 1571 1411 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 12.45.103.0/24 209 Qwest 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 23.27.0.0/20 18779 Guru.com 23.27.0.0/16 18779 Guru.com 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 /8:21 /9:12 /10:28 /11:81 /12:235 /13:458 /14:824 /15:1506 /16:12325 /17:6497 /18:10781 /19:21008 /20:29682 /21:29757 /22:40373 /23:37679 /24:210749 /25:63 /26:76 /27:106 /28:278 /29:104 /30:509 /31:19 /32:462 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3073 3418 Windstream Communications Inc 6389 2104 3413 bellsouth.net, inc. 18566 2039 2090 Covad Communications 8402 1713 1735 Corbina telecom 10620 1660 1763 TVCABLE BOGOTA 30036 1365 1416 Mediacom Communications Corp 11492 1124 1161 Cable One 1785 1060 1875 AppliedTheory Corporation 8452 1060 1250 TEDATA 7011 1040 1155 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:526 2:701 4:18 6:3 8:394 12:1965 13:1 14:608 15:12 16:3 17:7 20:8 23:141 24:1754 27:1213 31:989 32:124 33:2 34:2 36:9 37:232 38:782 39:4 40:117 41:3007 42:122 44:3 46:1400 47:3 49:343 50:513 52:13 54:5 55:10 56:3 57:47 58:958 59:497 60:284 61:1200 62:988 63:2025 64:4136 65:2281 66:4492 67:2070 68:1348 69:3281 70:956 71:409 72:1821 73:1 74:2699 75:483 76:333 77:974 78:964 79:501 80:1217 81:893 82:640 83:543 84:605 85:1166 86:734 87:923 88:350 89:1579 90:277 91:4566 92:517 93:1382 94:1378 95:1119 96:425 97:316 98:835 99:38 100:5 101:228 103:877 106:64 107:168 108:213 109:1543 110:748 111:866 112:440 113:547 114:619 115:774 116:888 117:721 118:919 119:1268 120:376 121:712 122:1621 123:1087 124:1388 125:1340 128:542 129:194 130:262 131:592 132:165 133:18 134:238 135:62 136:212 137:185 138:275 139:157 140:490 141:266 142:393 143:423 144:509 145:69 146:490 147:254 148:761 149:300 150:162 151:197 152:448 153:171 154:7 155:444 156:213 157:372 158:163 159:518 160:327 161:245 162:342 163:187 164:531 165:414 166:563 167:464 168:812 169:149 170:839 171:119 172:4 173:1725 174:594 175:442 176:544 177:541 178:1285 180:1215 181:68 182:783 183:281 184:443 185:1 186:2108 187:851 188:1072 189:1207 190:5492 192:6021 193:5593 194:4390 195:3454 196:1291 197:168 198:3651 199:4454 200:5745 201:1770 202:8451 203:8733 204:4366 205:2452 206:2773 207:2805 208:4070 209:3599 210:2787 211:1486 212:2010 213:1893 214:843 215:103 216:5064 217:1533 218:547 219:334 220:1234 221:559 222:346 223:324 End of report