Routing Table Report 00:00 GMT Wed 08 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: 400539 Prefixes after maximum aggregation: 171014 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 192187 Total ASes present in the Internet Routing Table: 40077 Prefixes per ASN: 9.99 Origin-only ASes present in the Internet Routing Table: 32737 Origin ASes announcing only one prefix: 15557 Transit ASes present in the Internet Routing Table: 5401 Transit-only ASes present in the Internet Routing Table: 141 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 28 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5072 Unregistered ASNs in the Routing Table: 144 Number of 32-bit ASNs allocated by the RIRs: 2267 Number of 32-bit ASNs visible in the Routing Table: 1939 Prefixes from 32-bit ASNs in the Routing Table: 4690 Special use prefixes present in the Routing Table: 90 Prefixes being announced from unallocated address space: 121 Number of addresses announced to Internet: 2513985769 Equivalent to 149 /8s, 216 /16s and 96 /24s Percentage of available address space announced: 67.8 Percentage of allocated address space announced: 67.8 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: 168443 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 96177 Total APNIC prefixes after maximum aggregation: 30668 APNIC Deaggregation factor: 3.14 Prefixes being announced from the APNIC address blocks: 92588 Unique aggregates announced from the APNIC address blocks: 39117 APNIC Region origin ASes present in the Internet Routing Table: 4633 APNIC Prefixes per ASN: 19.98 APNIC Region origin ASes announcing only one prefix: 1258 APNIC Region transit ASes present in the Internet Routing Table: 741 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 139 Number of APNIC addresses announced to Internet: 635872512 Equivalent to 37 /8s, 230 /16s and 165 /24s Percentage of available APNIC address space announced: 80.6 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: 150919 Total ARIN prefixes after maximum aggregation: 77516 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 122623 Unique aggregates announced from the ARIN address blocks: 49332 ARIN Region origin ASes present in the Internet Routing Table: 14913 ARIN Prefixes per ASN: 8.22 ARIN Region origin ASes announcing only one prefix: 5679 ARIN Region transit ASes present in the Internet Routing Table: 1566 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: 15 Number of ARIN addresses announced to Internet: 804412936 Equivalent to 47 /8s, 242 /16s and 94 /24s Percentage of available ARIN address space announced: 63.9 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: 100577 Total RIPE prefixes after maximum aggregation: 52549 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 91589 Unique aggregates announced from the RIPE address blocks: 56019 RIPE Region origin ASes present in the Internet Routing Table: 16325 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 8012 RIPE Region transit ASes present in the Internet Routing Table: 2601 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1343 Number of RIPE addresses announced to Internet: 500799628 Equivalent to 29 /8s, 217 /16s and 152 /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: 38928 Total LACNIC prefixes after maximum aggregation: 8090 LACNIC Deaggregation factor: 4.81 Prefixes being announced from the LACNIC address blocks: 38465 Unique aggregates announced from the LACNIC address blocks: 19439 LACNIC Region origin ASes present in the Internet Routing Table: 1570 LACNIC Prefixes per ASN: 24.50 LACNIC Region origin ASes announcing only one prefix: 443 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: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 438 Number of LACNIC addresses announced to Internet: 96383496 Equivalent to 5 /8s, 190 /16s and 178 /24s Percentage of available LACNIC address space announced: 63.8 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: 9021 Total AfriNIC prefixes after maximum aggregation: 2117 AfriNIC Deaggregation factor: 4.26 Prefixes being announced from the AfriNIC address blocks: 7046 Unique aggregates announced from the AfriNIC address blocks: 2144 AfriNIC Region origin ASes present in the Internet Routing Table: 513 AfriNIC Prefixes per ASN: 13.73 AfriNIC Region origin ASes announcing only one prefix: 165 AfriNIC Region transit ASes present in the Internet Routing Table: 116 Average AfriNIC Region AS path length visible: 4.1 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: 30868224 Equivalent to 1 /8s, 215 /16s and 3 /24s Percentage of available AfriNIC address space announced: 46.0 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 1904 11096 664 Korea Telecom (KIX) 17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1637 302 85 TPG Internet Pty Ltd 4755 1535 385 157 Videsh Sanchar Nigam Ltd. Aut 7552 1392 1064 7 Vietel Corporation 9829 1170 989 28 BSNL National Internet Backbo 9583 1123 82 483 Sify Limited 24560 1013 385 167 Bharti Airtel Ltd. 4808 984 1994 293 CNCGROUP IP network: China169 18101 950 131 156 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 7029 3469 1042 211 Windstream Communications Inc 6389 3444 3807 202 bellsouth.net, inc. 18566 2093 382 177 Covad Communications 1785 1866 680 125 AppliedTheory Corporation 20115 1627 1552 626 Charter Communications 4323 1607 1062 382 Time Warner Telecom 22773 1501 2910 109 Cox Communications, Inc. 30036 1394 244 754 Mediacom Communications Corp 19262 1384 4683 400 Verizon Global Networks 7018 1312 7024 855 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 1664 480 15 Corbina telecom 2118 1385 97 13 EUnet/RELCOM Autonomous Syste 286 1127 806 201 KPNQwest Backbone AS 15557 1095 2161 63 LDCOM NETWORKS 34984 645 187 170 Tellcom Iletisim Hizmetleri 6830 641 1926 410 UPC Distribution Services 20940 598 195 470 Akamai Technologies European 8551 577 360 81 Bezeq International 12479 568 642 54 Uni2 Autonomous System 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 1735 323 170 TVCABLE BOGOTA 28573 1631 1085 69 Types of queries are: POCs, o 8151 1460 2995 342 Uninet S.A. de C.V. 7303 1262 758 181 Telecom Argentina Stet-France 26615 897 664 33 Types of queries are: POCs, o 11172 694 95 75 Alestra 27947 655 73 99 Telconet S.A 22047 581 322 17 Types of queries are: POCs, o 3816 551 238 92 COLOMBIA TELECOMUNICACIONES S 7738 550 1050 31 Telecomunicacoes da Bahia S.A 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 1213 958 13 TEDATA 24863 830 155 43 LINKdotNET AS number 6713 478 649 18 Itissalat Al-MAGHRIB 3741 280 939 229 The Internet Solution 15706 238 32 6 Sudatel Internet Exchange Aut 33776 238 13 14 Starcomms Nigeria Limited 12258 197 28 62 YEBO-AS 24835 193 80 8 RAYA Telecom - Egypt 29571 189 17 11 Ci Telecom Autonomous system 16637 160 664 85 Johnnic e-Ventures 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 3469 1042 211 Windstream Communications Inc 6389 3444 3807 202 bellsouth.net, inc. 18566 2093 382 177 Covad Communications 4766 1904 11096 664 Korea Telecom (KIX) 1785 1866 680 125 AppliedTheory Corporation 10620 1735 323 170 TVCABLE BOGOTA 17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA 8402 1664 480 15 Corbina telecom 7545 1637 302 85 TPG Internet Pty Ltd 28573 1631 1085 69 Types of queries are: POCs, o 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 3444 3242 bellsouth.net, inc. 18566 2093 1916 Covad Communications 1785 1866 1741 AppliedTheory Corporation 17974 1729 1693 PT TELEKOMUNIKASI INDONESIA 8402 1664 1649 Corbina telecom 10620 1735 1565 TVCABLE BOGOTA 28573 1631 1562 Types of queries are: POCs, o 7545 1637 1552 TPG Internet Pty Ltd 22773 1501 1392 Cox Communications, Inc. 7552 1392 1385 Vietel Corporation 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 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 37.98.0.0/17 50810 Mobin Net Communication Compa 37.98.160.0/19 47241 Ivtelecom Ltd. 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 /10:27 /11:80 /12:231 /13:458 /14:821 /15:1502 /16:12300 /17:6445 /18:10687 /19:21010 /20:29420 /21:29554 /22:40091 /23:37474 /24:208744 /25:68 /26:83 /27:105 /28:241 /29:115 /30:548 /31:52 /32:452 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 7029 3076 3469 Windstream Communications Inc 6389 2113 3444 bellsouth.net, inc. 18566 2042 2093 Covad Communications 8402 1643 1664 Corbina telecom 10620 1629 1735 TVCABLE BOGOTA 30036 1354 1394 Mediacom Communications Corp 11492 1117 1154 Cable One 1785 1064 1866 AppliedTheory Corporation 15557 1045 1095 LDCOM NETWORKS 7011 1033 1149 Citizens Utilities Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:502 2:485 4:18 5:1 6:3 8:386 12:1957 13:1 14:600 15:11 16:3 17:7 20:9 23:129 24:1730 27:1191 31:926 32:124 33:2 34:2 36:9 37:172 38:778 39:4 40:114 41:3180 42:93 43:1 44:3 46:1283 47:3 49:325 50:513 52:13 54:2 55:8 56:3 57:48 58:964 59:494 60:346 61:1200 62:944 63:2022 64:4191 65:2289 66:4450 67:2079 68:1357 69:3266 70:972 71:410 72:1825 73:1 74:2704 75:477 76:335 77:968 78:912 79:512 80:1225 81:877 82:582 83:533 84:584 85:1154 86:736 87:924 88:359 89:1555 90:274 91:4450 92:540 93:1538 94:1370 95:1132 96:420 97:310 98:787 99:38 100:4 101:261 103:766 106:10 107:144 108:151 109:1487 110:718 111:849 112:437 113:542 114:609 115:765 116:900 117:739 118:922 119:1256 120:364 121:706 122:1625 123:1070 124:1391 125:1362 128:506 129:192 130:216 131:590 132:164 133:21 134:232 135:60 136:214 137:153 138:285 139:157 140:491 141:262 142:382 143:412 144:520 145:70 146:486 147:237 148:755 149:274 150:167 151:196 152:448 153:170 154:7 155:414 156:211 157:370 158:157 159:512 160:321 161:243 162:341 163:187 164:528 165:413 166:556 167:457 168:765 169:148 170:833 171:109 172:2 173:1763 174:579 175:424 176:487 177:482 178:1241 180:1202 181:65 182:722 183:273 184:424 185:1 186:2040 187:838 188:1030 189:1175 190:5472 192:6007 193:5549 194:4364 195:3448 196:1307 197:181 198:3631 199:4379 200:5713 201:1739 202:8471 203:8676 204:4352 205:2450 206:2768 207:2818 208:4080 209:3592 210:2776 211:1487 212:2063 213:1841 214:856 215:95 216:5018 217:1466 218:558 219:342 220:1258 221:558 222:346 223:280 End of report