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Routing Table Report 00:00 GMT Mon 05 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: 403032 Prefixes after maximum aggregation: 171775 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 187822 Total ASes present in the Internet Routing Table: 40318 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32819 Origin ASes announcing only one prefix: 15538 Transit ASes present in the Internet Routing Table: 5451 Transit-only ASes present in the Internet Routing Table: 150 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 26 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 5403 Unregistered ASNs in the Routing Table: 189 Number of 32-bit ASNs allocated by the RIRs: 2307 Number of 32-bit ASNs visible in the Routing Table: 2048 Prefixes from 32-bit ASNs in the Routing Table: 4916 Special use prefixes present in the Routing Table: 89 Prefixes being announced from unallocated address space: 449 Number of addresses announced to Internet: 2346750426 Equivalent to 139 /8s, 224 /16s and 145 /24s Percentage of available address space announced: 63.3 Percentage of allocated address space announced: 63.3 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: 169791
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 96347 Total APNIC prefixes after maximum aggregation: 30848 APNIC Deaggregation factor: 3.12 Prefixes being announced from the APNIC address blocks: 92780 Unique aggregates announced from the APNIC address blocks: 37850 APNIC Region origin ASes present in the Internet Routing Table: 4645 APNIC Prefixes per ASN: 19.97 APNIC Region origin ASes announcing only one prefix: 1243 APNIC Region transit ASes present in the Internet Routing Table: 748 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 158 Number of APNIC addresses announced to Internet: 623531264 Equivalent to 37 /8s, 42 /16s and 85 /24s Percentage of available APNIC address space announced: 79.1
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: 151213 Total ARIN prefixes after maximum aggregation: 77661 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 122714 Unique aggregates announced from the ARIN address blocks: 46720 ARIN Region origin ASes present in the Internet Routing Table: 14953 ARIN Prefixes per ASN: 8.21 ARIN Region origin ASes announcing only one prefix: 5690 ARIN Region transit ASes present in the Internet Routing Table: 1569 Average ARIN Region AS path length visible: 4.4 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: 667092736 Equivalent to 39 /8s, 195 /16s and 7 /24s Percentage of available ARIN address space announced: 53.0
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: 101984 Total RIPE prefixes after maximum aggregation: 52968 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 92712 Unique aggregates announced from the RIPE address blocks: 54898 RIPE Region origin ASes present in the Internet Routing Table: 16355 RIPE Prefixes per ASN: 5.67 RIPE Region origin ASes announcing only one prefix: 7999 RIPE Region transit ASes present in the Internet Routing Table: 2628 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1401 Number of RIPE addresses announced to Internet: 480621196 Equivalent to 28 /8s, 165 /16s and 178 /24s Percentage of available RIPE address space announced: 77.4
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: 39485 Total LACNIC prefixes after maximum aggregation: 8087 LACNIC Deaggregation factor: 4.88 Prefixes being announced from the LACNIC address blocks: 39153 Unique aggregates announced from the LACNIC address blocks: 19675 LACNIC Region origin ASes present in the Internet Routing Table: 1576 LACNIC Prefixes per ASN: 24.84 LACNIC Region origin ASes announcing only one prefix: 440 LACNIC Region transit ASes present in the Internet Routing Table: 292 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 470 Number of LACNIC addresses announced to Internet: 97919752 Equivalent to 5 /8s, 214 /16s and 35 /24s Percentage of available LACNIC address space announced: 64.8
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: 8754 Total AfriNIC prefixes after maximum aggregation: 2100 AfriNIC Deaggregation factor: 4.17 Prefixes being announced from the AfriNIC address blocks: 6822 Unique aggregates announced from the AfriNIC address blocks: 2149 AfriNIC Region origin ASes present in the Internet Routing Table: 519 AfriNIC Prefixes per ASN: 13.14 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 123 Average AfriNIC Region AS path length visible: 4.9 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: 31574528 Equivalent to 1 /8s, 225 /16s and 202 /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 1734 503 37 PT TELEKOMUNIKASI INDONESIA 7545 1643 303 88 TPG Internet Pty Ltd 4755 1562 386 160 Videsh Sanchar Nigam Ltd. Aut 9583 1199 91 508 Sify Limited 9829 1182 997 29 BSNL National Internet Backbo 7552 1159 1062 11 Vietel Corporation 24560 1013 385 167 Bharti Airtel Ltd. 18101 949 130 155 Reliance Infocom Ltd Internet 4808 920 1874 264 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 6389 3418 3807 201 bellsouth.net, inc. 7029 3414 1014 159 Windstream Communications Inc 18566 2090 382 177 Covad Communications 1785 1872 680 126 AppliedTheory Corporation 20115 1631 1550 632 Charter Communications 4323 1550 1007 359 Time Warner Telecom 22773 1538 2910 110 Cox Communications, Inc. 30036 1408 254 742 Mediacom Communications Corp 19262 1389 4703 398 Verizon Global Networks 7018 1284 6834 842 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 1820 544 16 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1088 2184 60 LDCOM NETWORKS 286 1062 806 203 KPNQwest Backbone AS 34984 657 188 171 Tellcom Iletisim Hizmetleri 6830 643 1927 414 UPC Distribution Services 20940 622 202 482 Akamai Technologies European 12479 610 644 55 Uni2 Autonomous System 8551 600 360 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 1759 325 169 TVCABLE BOGOTA 28573 1690 1089 60 Types of queries are: POCs, o 8151 1520 3012 341 Uninet S.A. de C.V. 7303 1328 822 186 Telecom Argentina Stet-France 26615 868 672 33 Types of queries are: POCs, o 27947 674 68 107 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 562 240 89 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 1248 958 13 TEDATA 24863 832 274 35 LINKdotNET AS number 6713 491 649 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 29571 184 16 10 Ci Telecom Autonomous system 24835 181 80 8 RAYA Telecom - Egypt 36923 157 20 4 Swift Networks Limited 33776 152 12 19 Starcomms Nigeria 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 3418 3807 201 bellsouth.net, inc. 7029 3414 1014 159 Windstream Communications Inc 18566 2090 382 177 Covad Communications 4766 1921 11099 673 Korea Telecom (KIX) 1785 1872 680 126 AppliedTheory Corporation 8402 1820 544 16 Corbina telecom 10620 1759 325 169 TVCABLE BOGOTA 17974 1734 503 37 PT TELEKOMUNIKASI INDONESIA 28573 1690 1089 60 Types of queries are: POCs, o 7545 1643 303 88 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 3414 3255 Windstream Communications Inc 18566 2090 1913 Covad Communications 8402 1820 1804 Corbina telecom 1785 1872 1746 AppliedTheory Corporation 17974 1734 1697 PT TELEKOMUNIKASI INDONESIA 28573 1690 1630 Types of queries are: POCs, o 10620 1759 1590 TVCABLE BOGOTA 7545 1643 1555 TPG Internet Pty Ltd 22773 1538 1428 Cox Communications, Inc. 2118 1421 1408 EUnet/RELCOM Autonomous Syste
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 10.0.1.0/24 286 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 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 /8:20 /9:12 /10:28 /11:81 /12:233 /13:458 /14:823 /15:1506 /16:12322 /17:6498 /18:10789 /19:21007 /20:29702 /21:29725 /22:40212 /23:37638 /24:210381 /25:65 /26:75 /27:107 /28:274 /29:100 /30:508 /31:19 /32:449
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3069 3414 Windstream Communications Inc 6389 2103 3418 bellsouth.net, inc. 18566 2039 2090 Covad Communications 8402 1798 1820 Corbina telecom 10620 1656 1759 TVCABLE BOGOTA 30036 1358 1408 Mediacom Communications Corp 11492 1124 1161 Cable One 1785 1060 1872 AppliedTheory Corporation 8452 1058 1248 TEDATA 7011 1040 1156 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:525 2:780 4:18 6:3 8:393 10:1 12:1963 13:1 14:612 15:11 16:3 17:7 20:8 23:136 24:1747 27:1207 31:987 32:124 33:2 34:2 36:10 37:221 38:781 39:4 40:116 41:2975 42:121 44:3 46:1387 47:3 49:342 50:513 52:13 54:5 55:9 56:3 57:47 58:976 59:494 60:288 61:1198 62:986 63:2026 64:4131 65:2284 66:4489 67:2076 68:1350 69:3269 70:955 71:410 72:1822 73:1 74:2698 75:483 76:332 77:978 78:970 79:494 80:1216 81:891 82:638 83:543 84:598 85:1162 86:738 87:920 88:350 89:1580 90:284 91:4552 92:516 93:1382 94:1377 95:1121 96:424 97:315 98:803 99:38 100:5 101:227 103:872 106:64 107:167 108:185 109:1542 110:748 111:867 112:440 113:547 114:621 115:786 116:887 117:724 118:918 119:1260 120:367 121:712 122:1614 123:1087 124:1394 125:1322 128:541 129:194 130:266 131:591 132:165 133:21 134:236 135:61 136:212 137:184 138:271 139:155 140:489 141:266 142:393 143:416 144:512 145:69 146:485 147:253 148:759 149:300 150:160 151:198 152:448 153:171 154:7 155:393 156:213 157:372 158:162 159:518 160:323 161:245 162:343 163:187 164:530 165:415 166:563 167:460 168:808 169:149 170:839 171:119 172:4 173:1727 174:586 175:444 176:527 177:537 178:1286 180:1216 181:68 182:777 183:285 184:438 185:1 186:2058 187:858 188:1054 189:1202 190:5542 192:6015 193:5600 194:4381 195:3458 196:1287 197:167 198:3641 199:4444 200:5746 201:1751 202:8426 203:8721 204:4355 205:2448 206:2762 207:2802 208:4072 209:3593 210:2788 211:1488 212:2039 213:1890 214:830 215:91 216:5050 217:1517 218:551 219:333 220:1237 221:565 222:345 223:319
End of report
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