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Routing Table Report 04:00 +10GMT Thu 08 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 399785 Prefixes after maximum aggregation: 170707 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 192882 Total ASes present in the Internet Routing Table: 40310 Prefixes per ASN: 9.92 Origin-only ASes present in the Internet Routing Table: 32840 Origin ASes announcing only one prefix: 15501 Transit ASes present in the Internet Routing Table: 5416 Transit-only ASes present in the Internet Routing Table: 144 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 350 Unregistered ASNs in the Routing Table: 156 Number of 32-bit ASNs allocated by the RIRs: 2311 Number of 32-bit ASNs visible in the Routing Table: 2054 Prefixes from 32-bit ASNs in the Routing Table: 4916 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 538 Number of addresses announced to Internet: 2543370128 Equivalent to 151 /8s, 152 /16s and 191 /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: 170047
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98089 Total APNIC prefixes after maximum aggregation: 31937 APNIC Deaggregation factor: 3.07 Prefixes being announced from the APNIC address blocks: 94458 Unique aggregates announced from the APNIC address blocks: 37663 APNIC Region origin ASes present in the Internet Routing Table: 4670 APNIC Prefixes per ASN: 20.23 APNIC Region origin ASes announcing only one prefix: 1235 APNIC Region transit ASes present in the Internet Routing Table: 740 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC region 32-bit ASNs visible in the Routing Table: 162 Number of APNIC addresses announced to Internet: 658602848 Equivalent to 39 /8s, 65 /16s and 123 /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: 148842 Total ARIN prefixes after maximum aggregation: 75653 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120353 Unique aggregates announced from the ARIN address blocks: 49806 ARIN Region origin ASes present in the Internet Routing Table: 14932 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5677 ARIN Region transit ASes present in the Internet Routing Table: 1569 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 806558976 Equivalent to 48 /8s, 19 /16s and 29 /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: 100105 Total RIPE prefixes after maximum aggregation: 52801 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 91580 Unique aggregates announced from the RIPE address blocks: 56888 RIPE Region origin ASes present in the Internet Routing Table: 16335 RIPE Prefixes per ASN: 5.61 RIPE Region origin ASes announcing only one prefix: 7985 RIPE Region transit ASes present in the Internet Routing Table: 2619 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1399 Number of RIPE addresses announced to Internet: 501620232 Equivalent to 29 /8s, 230 /16s and 30 /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: 38879 Total LACNIC prefixes after maximum aggregation: 8090 LACNIC Deaggregation factor: 4.81 Prefixes being announced from the LACNIC address blocks: 38616 Unique aggregates announced from the LACNIC address blocks: 19699 LACNIC Region origin ASes present in the Internet Routing Table: 1575 LACNIC Prefixes per ASN: 24.52 LACNIC Region origin ASes announcing only one prefix: 436 LACNIC Region transit ASes present in the Internet Routing Table: 280 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 474 Number of LACNIC addresses announced to Internet: 97981320 Equivalent to 5 /8s, 215 /16s and 19 /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: 8754 Total AfriNIC prefixes after maximum aggregation: 2109 AfriNIC Deaggregation factor: 4.15 Prefixes being announced from the AfriNIC address blocks: 6844 Unique aggregates announced from the AfriNIC address blocks: 2174 AfriNIC Region origin ASes present in the Internet Routing Table: 521 AfriNIC Prefixes per ASN: 13.14 AfriNIC Region origin ASes announcing only one prefix: 168 AfriNIC Region transit ASes present in the Internet Routing Table: 119 Average AfriNIC Region AS path length visible: 4.6 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: 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 2486 11107 988 Korea Telecom (KIX) 17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1650 303 89 TPG Internet Pty Ltd 4755 1568 386 157 TATA Communications formerly 9583 1200 91 510 Sify Limited 9829 1161 1001 30 BSNL National Internet Backbo 7552 1160 1062 11 Vietel Corporation 4808 1133 2096 324 CNCGROUP IP network: China169 24560 1005 383 166 Bharti Airtel Ltd., Telemedia 18101 949 130 155 Reliance Infocom Ltd Internet
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7029 3420 1014 159 Windstream Communications Inc 6389 3413 3807 198 bellsouth.net, inc. 18566 2090 382 177 Covad Communications 1785 1880 680 128 PaeTec Communications, Inc. 20115 1634 1555 633 Charter Communications 4323 1608 1059 383 Time Warner Telecom 22773 1545 2910 111 Cox Communications, Inc. 30036 1416 258 757 Mediacom Communications Corp 19262 1389 4703 398 Verizon Global Networks 7018 1286 9777 844 AT&T WorldNet Services
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8402 1770 544 16 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1089 2184 60 LDCOM NETWORKS 34984 658 188 171 BILISIM TELEKOM 6830 639 1926 410 UPC Distribution Services 12479 634 646 54 Uni2 Autonomous System 20940 634 203 483 Akamai Technologies European 8551 599 360 81 Bezeq International 31148 540 37 9 FreeNet ISP 3320 533 8442 399 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/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 1678 1089 55 NET Servicos de Comunicao S.A 8151 1485 3013 346 UniNet S.A. de C.V. 7303 1323 822 183 Telecom Argentina Stet-France 26615 898 672 33 Tim Brasil S.A. 27947 678 68 110 Telconet S.A 11172 634 91 72 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 6503 573 418 66 AVANTEL, S.A. 3816 558 240 89 Empresa Nacional de Telecomun
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1251 958 13 TEDATA 24863 834 274 37 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 Vodacom Internet Company 24835 181 80 8 RAYA Telecom - Egypt 33776 177 12 18 Starcomms Nigeria Limited 36923 157 20 4 Swift Networks Limited 16637 153 641 76 MTN Network Solutions
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 7029 3420 1014 159 Windstream Communications Inc 6389 3413 3807 198 bellsouth.net, inc. 4766 2486 11107 988 Korea Telecom (KIX) 18566 2090 382 177 Covad Communications 1785 1880 680 128 PaeTec Communications, Inc. 8402 1770 544 16 Corbina telecom 10620 1763 326 160 TVCABLE BOGOTA 17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1678 1089 55 NET Servicos de Comunicao S.A 7545 1650 303 89 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/current/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 8402 1770 1754 Corbina telecom 1785 1880 1752 PaeTec Communications, Inc. 17974 1731 1695 PT TELEKOMUNIKASI INDONESIA 28573 1678 1623 NET Servicos de Comunicao S.A 10620 1763 1603 TVCABLE BOGOTA 7545 1650 1561 TPG Internet Pty Ltd 4766 2486 1498 Korea Telecom (KIX) 22773 1545 1434 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/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 4323 Time Warner Telecom 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 10912 InterNAP Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project
Complete listing at http://thyme.rand.apnic.net/current/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/current/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 /14:818 /15:1474 /16:12179 /17:6222 /18:10406 /19:20455 /20:28485 /21:29328 /22:39970 /23:37157 /24:208766 /25:1210 /26:1439 /27:780 /28:169 /29:59 /30:14 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3075 3420 Windstream Communications Inc 6389 2104 3413 bellsouth.net, inc. 18566 2039 2090 Covad Communications 8402 1748 1770 Corbina telecom 10620 1660 1763 TVCABLE BOGOTA 30036 1365 1416 Mediacom Communications Corp 11492 1124 1161 Cable One 1785 1064 1880 PaeTec Communications, Inc. 8452 1061 1251 TEDATA 7011 1042 1157 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:523 2:725 4:14 6:3 8:389 12:1963 13:1 14:604 15:12 16:3 17:7 20:8 23:140 24:1745 27:1213 31:984 32:62 33:2 34:2 36:9 37:230 38:780 40:117 41:2994 42:121 44:3 46:1401 47:3 49:335 50:511 52:13 54:5 55:10 56:3 57:38 58:952 59:497 60:283 61:1189 62:977 63:2008 64:4116 65:2280 66:4468 67:2031 68:1164 69:3168 70:910 71:409 72:1786 74:2646 75:470 76:321 77:973 78:962 79:487 80:1210 81:886 82:627 83:540 84:592 85:1162 86:725 87:914 88:334 89:1565 90:277 91:4549 92:515 93:1381 94:1370 95:1116 96:422 97:316 98:828 99:38 100:5 101:145 103:868 106:64 107:168 108:208 109:1531 110:724 111:866 112:435 113:531 114:605 115:772 116:870 117:708 118:905 119:1262 120:372 121:687 122:1620 123:1078 124:1335 125:1338 128:541 129:191 130:260 131:591 132:165 133:21 134:236 135:62 136:212 137:185 138:275 139:145 140:490 141:266 142:392 143:421 144:509 145:69 146:489 147:243 148:725 149:300 150:162 151:198 152:448 153:171 154:7 155:429 156:213 157:370 158:162 159:518 160:327 161:245 162:342 163:187 164:531 165:394 166:563 167:464 168:811 169:148 170:838 171:119 172:4 173:1707 174:591 175:419 176:544 177:540 178:1281 180:1194 181:68 182:766 183:281 184:442 185:1 186:2098 187:849 188:1071 189:1206 190:5463 192:5992 193:5566 194:4366 195:3407 196:1285 197:168 198:3637 199:4443 200:5733 201:1762 202:8387 203:8676 204:4359 205:2448 206:2752 207:2800 208:4041 209:3550 210:2757 211:1474 212:1954 213:1880 214:850 215:103 216:5038 217:1524 218:548 219:333 220:1227 221:564 222:323 223:325
End of report
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