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Routing Table Report 04:00 +10GMT Thu 15 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 401045 Prefixes after maximum aggregation: 170823 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 194521 Total ASes present in the Internet Routing Table: 40346 Prefixes per ASN: 9.94 Origin-only ASes present in the Internet Routing Table: 32864 Origin ASes announcing only one prefix: 15479 Transit ASes present in the Internet Routing Table: 5412 Transit-only ASes present in the Internet Routing Table: 142 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: 391 Unregistered ASNs in the Routing Table: 180 Number of 32-bit ASNs allocated by the RIRs: 2319 Number of 32-bit ASNs visible in the Routing Table: 2070 Prefixes from 32-bit ASNs in the Routing Table: 5004 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 641 Number of addresses announced to Internet: 2526321040 Equivalent to 150 /8s, 148 /16s and 153 /24s Percentage of available address space announced: 68.2 Percentage of allocated address space announced: 68.2 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: 170272
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98423 Total APNIC prefixes after maximum aggregation: 31869 APNIC Deaggregation factor: 3.09 Prefixes being announced from the APNIC address blocks: 94812 Unique aggregates announced from the APNIC address blocks: 39235 APNIC Region origin ASes present in the Internet Routing Table: 4661 APNIC Prefixes per ASN: 20.34 APNIC Region origin ASes announcing only one prefix: 1232 APNIC Region transit ASes present in the Internet Routing Table: 733 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: 164 Number of APNIC addresses announced to Internet: 640800864 Equivalent to 38 /8s, 49 /16s and 216 /24s Percentage of available APNIC address space announced: 81.3
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: 148866 Total ARIN prefixes after maximum aggregation: 75680 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120434 Unique aggregates announced from the ARIN address blocks: 49887 ARIN Region origin ASes present in the Internet Routing Table: 14932 ARIN Prefixes per ASN: 8.07 ARIN Region origin ASes announcing only one prefix: 5670 ARIN Region transit ASes present in the Internet Routing Table: 1572 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 806426112 Equivalent to 48 /8s, 17 /16s and 22 /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: 100807 Total RIPE prefixes after maximum aggregation: 52885 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 92309 Unique aggregates announced from the RIPE address blocks: 56972 RIPE Region origin ASes present in the Internet Routing Table: 16342 RIPE Prefixes per ASN: 5.65 RIPE Region origin ASes announcing only one prefix: 7969 RIPE Region transit ASes present in the Internet Routing Table: 2615 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: 1408 Number of RIPE addresses announced to Internet: 502053896 Equivalent to 29 /8s, 236 /16s and 188 /24s Percentage of available RIPE address space announced: 80.9
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: 38953 Total LACNIC prefixes after maximum aggregation: 8144 LACNIC Deaggregation factor: 4.78 Prefixes being announced from the LACNIC address blocks: 38683 Unique aggregates announced from the LACNIC address blocks: 19534 LACNIC Region origin ASes present in the Internet Routing Table: 1572 LACNIC Prefixes per ASN: 24.61 LACNIC Region origin ASes announcing only one prefix: 435 LACNIC Region transit ASes present in the Internet Routing Table: 285 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 22 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 479 Number of LACNIC addresses announced to Internet: 98129032 Equivalent to 5 /8s, 217 /16s and 84 /24s Percentage of available LACNIC address space announced: 65.0
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: 8750 Total AfriNIC prefixes after maximum aggregation: 2101 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 6832 Unique aggregates announced from the AfriNIC address blocks: 2162 AfriNIC Region origin ASes present in the Internet Routing Table: 524 AfriNIC Prefixes per ASN: 13.04 AfriNIC Region origin ASes announcing only one prefix: 173 AfriNIC Region transit ASes present in the Internet Routing Table: 118 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: 31553536 Equivalent to 1 /8s, 225 /16s and 120 /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 2492 11110 994 Korea Telecom (KIX) 17974 1743 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1650 303 87 TPG Internet Pty Ltd 4755 1568 386 159 TATA Communications formerly 9583 1202 91 509 Sify Limited 9829 1189 1001 30 BSNL National Internet Backbo 7552 1160 1062 11 Vietel Corporation 4808 1093 2048 311 CNCGROUP IP network: China169 24560 1012 384 166 Bharti Airtel Ltd., Telemedia 18101 949 130 156 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 3418 1006 158 Windstream Communications Inc 6389 3399 3807 198 bellsouth.net, inc. 18566 2091 382 177 Covad Communications 1785 1882 680 128 PaeTec Communications, Inc. 20115 1636 1555 634 Charter Communications 4323 1608 1059 384 Time Warner Telecom 22773 1546 2910 111 Cox Communications, Inc. 30036 1406 255 759 Mediacom Communications Corp 7018 1276 9776 839 AT&T WorldNet Services 2386 1162 493 859 AT&T Data Communications Serv
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 1825 544 16 Corbina telecom 2118 1427 97 13 EUnet/RELCOM Autonomous Syste 15557 1089 2247 55 LDCOM NETWORKS 34984 662 188 171 BILISIM TELEKOM 6830 640 1927 411 UPC Distribution Services 20940 633 203 490 Akamai Technologies European 12479 632 653 67 Uni2 Autonomous System 8551 574 360 81 Bezeq International 31148 539 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 1775 326 152 TVCABLE BOGOTA 28573 1719 1094 58 NET Servicos de Comunicao S.A 8151 1482 3013 348 UniNet S.A. de C.V. 7303 1329 823 184 Telecom Argentina Stet-France 26615 900 676 30 Tim Brasil S.A. 27947 680 68 108 Telconet S.A 11172 635 91 73 Servicios Alestra S.A de C.V 22047 582 322 17 VTR PUNTO NET S.A. 3816 561 240 89 Empresa Nacional de Telecomun 6503 559 418 65 AVANTEL, S.A.
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 1252 958 13 TEDATA 24863 841 274 37 LINKdotNET AS number 6713 488 649 18 Itissalat Al-MAGHRIB 3741 268 922 225 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 12258 197 28 62 Vodacom Internet Company 24835 183 80 8 RAYA Telecom - Egypt 36923 157 20 4 Swift Networks Limited 29571 156 15 16 Ci Telecom Autonomous system 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 3418 1006 158 Windstream Communications Inc 6389 3399 3807 198 bellsouth.net, inc. 4766 2492 11110 994 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1882 680 128 PaeTec Communications, Inc. 8402 1825 544 16 Corbina telecom 10620 1775 326 152 TVCABLE BOGOTA 17974 1743 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1719 1094 58 NET Servicos de Comunicao S.A 7545 1650 303 87 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 3399 3201 bellsouth.net, inc. 18566 2091 1914 Covad Communications 8402 1825 1809 Corbina telecom 1785 1882 1754 PaeTec Communications, Inc. 17974 1743 1707 PT TELEKOMUNIKASI INDONESIA 28573 1719 1661 NET Servicos de Comunicao S.A 10620 1775 1623 TVCABLE BOGOTA 7545 1650 1563 TPG Internet Pty Ltd 4766 2492 1498 Korea Telecom (KIX) 22773 1546 1435 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 54500 EGIHosting 23.27.16.0/20 54500 EGIHosting
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 /8:19 /9:12 /10:28 /11:81 /12:235 /13:458 /14:820 /15:1475 /16:12187 /17:6224 /18:10407 /19:20504 /20:28616 /21:29495 /22:39957 /23:37264 /24:209542 /25:1220 /26:1446 /27:792 /28:168 /29:59 /30:17 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3074 3418 Windstream Communications Inc 6389 2097 3399 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1803 1825 Corbina telecom 10620 1672 1775 TVCABLE BOGOTA 30036 1355 1406 Mediacom Communications Corp 11492 1125 1162 Cable One 1785 1065 1882 PaeTec Communications, Inc. 8452 1062 1252 TEDATA 7011 1038 1152 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:523 2:774 4:14 6:3 8:392 12:1970 13:1 14:602 15:12 16:3 17:7 20:8 23:141 24:1751 27:1237 31:951 32:62 33:1 34:2 36:9 37:256 38:773 40:122 41:2994 42:128 44:3 46:1417 47:3 49:341 50:516 52:13 54:5 55:11 56:3 57:38 58:953 59:494 60:278 61:1191 62:974 63:2010 64:4160 65:2285 66:4496 67:2013 68:1159 69:3169 70:901 71:390 72:1801 74:2582 75:489 76:320 77:975 78:977 79:497 80:1218 81:891 82:632 83:548 84:597 85:1189 86:726 87:912 88:335 89:1566 90:287 91:4582 92:516 93:1388 94:1390 95:1128 96:373 97:316 98:809 99:38 100:6 101:239 103:898 106:64 107:176 108:199 109:1556 110:741 111:878 112:441 113:556 114:617 115:804 116:870 117:723 118:904 119:1213 120:331 121:690 122:1626 123:1093 124:1365 125:1280 128:545 129:192 130:261 131:578 132:170 133:21 134:238 135:63 136:212 137:185 138:275 139:145 140:486 141:237 142:389 143:419 144:499 145:69 146:488 147:243 148:723 149:300 150:158 151:176 152:449 153:171 154:7 155:429 156:212 157:381 158:162 159:520 160:329 161:245 162:344 163:186 164:531 165:394 166:565 167:463 168:808 169:148 170:842 171:120 172:4 173:1718 174:594 175:435 176:554 177:562 178:1280 180:1152 181:70 182:786 183:285 184:447 185:1 186:2109 187:849 188:1060 189:1206 190:5497 192:5983 193:5577 194:4558 195:3638 196:1286 197:168 198:3617 199:4447 200:5730 201:1640 202:8443 203:8601 204:4363 205:2453 206:2759 207:2795 208:4081 209:3602 210:2758 211:1464 212:1953 213:1870 214:874 215:103 216:5048 217:1522 218:540 219:339 220:1231 221:552 222:324 223:325
End of report
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