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Routing Table Report 04:00 +10GMT Thu 01 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 399182 Prefixes after maximum aggregation: 170329 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 194057 Total ASes present in the Internet Routing Table: 40242 Prefixes per ASN: 9.92 Origin-only ASes present in the Internet Routing Table: 32808 Origin ASes announcing only one prefix: 15519 Transit ASes present in the Internet Routing Table: 5410 Transit-only ASes present in the Internet Routing Table: 147 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: 327 Unregistered ASNs in the Routing Table: 137 Number of 32-bit ASNs allocated by the RIRs: 2299 Number of 32-bit ASNs visible in the Routing Table: 2024 Prefixes from 32-bit ASNs in the Routing Table: 4859 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 396 Number of addresses announced to Internet: 2522900752 Equivalent to 150 /8s, 96 /16s and 105 /24s Percentage of available address space announced: 68.1 Percentage of allocated address space announced: 68.1 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: 169736
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98124 Total APNIC prefixes after maximum aggregation: 31811 APNIC Deaggregation factor: 3.08 Prefixes being announced from the APNIC address blocks: 94476 Unique aggregates announced from the APNIC address blocks: 39304 APNIC Region origin ASes present in the Internet Routing Table: 4658 APNIC Prefixes per ASN: 20.28 APNIC Region origin ASes announcing only one prefix: 1233 APNIC Region transit ASes present in the Internet Routing Table: 741 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC region 32-bit ASNs visible in the Routing Table: 154 Number of APNIC addresses announced to Internet: 641138784 Equivalent to 38 /8s, 55 /16s and 0 /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: 148560 Total ARIN prefixes after maximum aggregation: 75450 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120291 Unique aggregates announced from the ARIN address blocks: 49676 ARIN Region origin ASes present in the Internet Routing Table: 14925 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5683 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: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 805437440 Equivalent to 48 /8s, 2 /16s and 0 /24s Percentage of available ARIN address space announced: 64.0
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: 99733 Total RIPE prefixes after maximum aggregation: 52769 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 91323 Unique aggregates announced from the RIPE address blocks: 56857 RIPE Region origin ASes present in the Internet Routing Table: 16341 RIPE Prefixes per ASN: 5.59 RIPE Region origin ASes announcing only one prefix: 7998 RIPE Region transit ASes present in the Internet Routing Table: 2613 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: 1388 Number of RIPE addresses announced to Internet: 501116552 Equivalent to 29 /8s, 222 /16s and 110 /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: 38882 Total LACNIC prefixes after maximum aggregation: 8103 LACNIC Deaggregation factor: 4.80 Prefixes being announced from the LACNIC address blocks: 38562 Unique aggregates announced from the LACNIC address blocks: 19643 LACNIC Region origin ASes present in the Internet Routing Table: 1573 LACNIC Prefixes per ASN: 24.51 LACNIC Region origin ASes announcing only one prefix: 439 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: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 463 Number of LACNIC addresses announced to Internet: 97609608 Equivalent to 5 /8s, 209 /16s and 103 /24s Percentage of available LACNIC address space announced: 64.6
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: 8844 Total AfriNIC prefixes after maximum aggregation: 2098 AfriNIC Deaggregation factor: 4.22 Prefixes being announced from the AfriNIC address blocks: 6854 Unique aggregates announced from the AfriNIC address blocks: 2133 AfriNIC Region origin ASes present in the Internet Routing Table: 513 AfriNIC Prefixes per ASN: 13.36 AfriNIC Region origin ASes announcing only one prefix: 166 AfriNIC Region transit ASes present in the Internet Routing Table: 119 Average AfriNIC Region AS path length visible: 4.5 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: 31502592 Equivalent to 1 /8s, 224 /16s and 177 /24s Percentage of available AfriNIC address space announced: 46.9
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 2485 11107 991 Korea Telecom (KIX) 17974 1731 503 37 PT TELEKOMUNIKASI INDONESIA 7545 1647 303 87 TPG Internet Pty Ltd 4755 1559 386 157 TATA Communications formerly 9829 1172 997 29 BSNL National Internet Backbo 7552 1154 1062 11 Vietel Corporation 4808 1146 2102 317 CNCGROUP IP network: China169 9583 1131 83 481 Sify Limited 24560 1008 385 167 Bharti Airtel Ltd., Telemedia 18101 948 130 154 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 6389 3431 3807 199 bellsouth.net, inc. 7029 3420 1014 160 Windstream Communications Inc 18566 2091 382 177 Covad Communications 1785 1873 680 126 PaeTec Communications, Inc. 20115 1632 1550 635 Charter Communications 4323 1610 1059 384 Time Warner Telecom 22773 1537 2910 110 Cox Communications, Inc. 30036 1424 255 737 Mediacom Communications Corp 19262 1390 4703 398 Verizon Global Networks 7018 1307 6963 849 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 1812 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1088 2184 60 LDCOM NETWORKS 34984 656 188 172 BILISIM TELEKOM 6830 642 1927 413 UPC Distribution Services 20940 632 203 481 Akamai Technologies European 12479 610 644 55 Uni2 Autonomous System 8551 599 360 81 Bezeq International 31148 541 37 9 FreeNet ISP 3320 531 8441 397 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 1754 324 173 TVCABLE BOGOTA 28573 1684 1088 63 NET Servicos de Comunicao S.A 8151 1482 3013 348 UniNet S.A. de C.V. 7303 1326 822 186 Telecom Argentina Stet-France 26615 897 672 33 Tim Brasil S.A. 27947 666 68 109 Telconet S.A 11172 634 91 72 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 6503 576 418 66 AVANTEL, S.A. 3816 561 240 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 1258 958 13 TEDATA 24863 834 274 37 LINKdotNET AS number 6713 488 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 29571 211 16 10 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 33776 169 12 16 Starcomms Nigeria Limited 16637 160 658 78 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 6389 3431 3807 199 bellsouth.net, inc. 7029 3420 1014 160 Windstream Communications Inc 4766 2485 11107 991 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1873 680 126 PaeTec Communications, Inc. 8402 1812 480 15 Corbina telecom 10620 1754 324 173 TVCABLE BOGOTA 17974 1731 503 37 PT TELEKOMUNIKASI INDONESIA 28573 1684 1088 63 NET Servicos de Comunicao S.A 7545 1647 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 7029 3420 3260 Windstream Communications Inc 18566 2091 1914 Covad Communications 8402 1812 1797 Corbina telecom 1785 1873 1747 PaeTec Communications, Inc. 17974 1731 1694 PT TELEKOMUNIKASI INDONESIA 28573 1684 1621 NET Servicos de Comunicao S.A 10620 1754 1581 TVCABLE BOGOTA 7545 1647 1560 TPG Internet Pty Ltd 4766 2485 1494 Korea Telecom (KIX) 22773 1537 1427 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 /8:19 /9:12 /10:28 /11:81 /12:233 /13:458 /14:816 /15:1472 /16:12165 /17:6228 /18:10390 /19:20473 /20:28444 /21:29301 /22:39714 /23:37077 /24:208575 /25:1209 /26:1448 /27:783 /28:166 /29:57 /30:14 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3070 3420 Windstream Communications Inc 6389 2106 3431 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1791 1812 Corbina telecom 10620 1651 1754 TVCABLE BOGOTA 30036 1374 1424 Mediacom Communications Corp 11492 1123 1160 Cable One 8452 1066 1258 TEDATA 1785 1064 1873 PaeTec Communications, Inc. 7011 1040 1156 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:518 2:771 4:14 6:3 8:389 12:1963 13:1 14:602 15:11 16:3 17:7 20:8 23:136 24:1737 27:1207 31:951 32:65 33:2 34:2 36:9 37:212 38:779 40:116 41:3030 42:120 44:3 46:1383 47:3 49:333 50:510 52:13 54:4 55:7 56:3 57:38 58:971 59:497 60:343 61:1199 62:961 63:2008 64:4118 65:2280 66:4466 67:2047 68:1173 69:3168 70:913 71:409 72:1790 74:2646 75:468 76:318 77:976 78:968 79:489 80:1221 81:886 82:627 83:540 84:586 85:1155 86:727 87:913 88:334 89:1570 90:284 91:4520 92:513 93:1368 94:1370 95:1120 96:421 97:317 98:818 99:38 100:5 101:150 103:856 106:45 107:166 108:178 109:1526 110:720 111:858 112:435 113:536 114:608 115:792 116:868 117:713 118:902 119:1262 120:364 121:727 122:1625 123:1079 124:1341 125:1323 128:537 129:190 130:264 131:590 132:164 133:21 134:233 135:62 136:212 137:184 138:268 139:145 140:488 141:264 142:390 143:418 144:514 145:69 146:483 147:250 148:733 149:300 150:162 151:198 152:449 153:171 154:7 155:400 156:213 157:370 158:164 159:518 160:322 161:245 162:342 163:187 164:529 165:394 166:559 167:458 168:771 169:148 170:838 171:119 172:4 173:1730 174:598 175:421 176:521 177:528 178:1284 180:1188 181:68 182:744 183:280 184:433 185:1 186:2065 187:861 188:1077 189:1207 190:5473 192:5987 193:5555 194:4348 195:3405 196:1293 197:167 198:3625 199:4425 200:5729 201:1743 202:8385 203:8671 204:4361 205:2446 206:2739 207:2790 208:4058 209:3548 210:2761 211:1476 212:2014 213:1863 214:838 215:101 216:5032 217:1507 218:550 219:332 220:1231 221:563 222:324 223:314
End of report
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