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Routing Table Report 04:00 +10GMT Fri 24 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 398718 Prefixes after maximum aggregation: 170119 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 193525 Total ASes present in the Internet Routing Table: 40212 Prefixes per ASN: 9.92 Origin-only ASes present in the Internet Routing Table: 32793 Origin ASes announcing only one prefix: 15543 Transit ASes present in the Internet Routing Table: 5416 Transit-only ASes present in the Internet Routing Table: 143 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: 319 Unregistered ASNs in the Routing Table: 130 Number of 32-bit ASNs allocated by the RIRs: 2291 Number of 32-bit ASNs visible in the Routing Table: 2003 Prefixes from 32-bit ASNs in the Routing Table: 4832 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 292 Number of addresses announced to Internet: 2521359952 Equivalent to 150 /8s, 72 /16s and 230 /24s Percentage of available address space announced: 68.0 Percentage of allocated address space announced: 68.0 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: 169536
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98092 Total APNIC prefixes after maximum aggregation: 31753 APNIC Deaggregation factor: 3.09 Prefixes being announced from the APNIC address blocks: 94412 Unique aggregates announced from the APNIC address blocks: 39263 APNIC Region origin ASes present in the Internet Routing Table: 4665 APNIC Prefixes per ASN: 20.24 APNIC Region origin ASes announcing only one prefix: 1241 APNIC Region transit ASes present in the Internet Routing Table: 735 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: 152 Number of APNIC addresses announced to Internet: 639943520 Equivalent to 38 /8s, 36 /16s and 195 /24s Percentage of available APNIC address space announced: 81.2
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: 148519 Total ARIN prefixes after maximum aggregation: 75424 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120289 Unique aggregates announced from the ARIN address blocks: 49598 ARIN Region origin ASes present in the Internet Routing Table: 14920 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5681 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: 805368512 Equivalent to 48 /8s, 0 /16s and 242 /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: 99459 Total RIPE prefixes after maximum aggregation: 52654 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 91151 Unique aggregates announced from the RIPE address blocks: 56731 RIPE Region origin ASes present in the Internet Routing Table: 16334 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 8014 RIPE Region transit ASes present in the Internet Routing Table: 2610 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: 1375 Number of RIPE addresses announced to Internet: 501028360 Equivalent to 29 /8s, 221 /16s and 22 /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: 38704 Total LACNIC prefixes after maximum aggregation: 8101 LACNIC Deaggregation factor: 4.78 Prefixes being announced from the LACNIC address blocks: 38385 Unique aggregates announced from the LACNIC address blocks: 19540 LACNIC Region origin ASes present in the Internet Routing Table: 1574 LACNIC Prefixes per ASN: 24.39 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 295 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: 457 Number of LACNIC addresses announced to Internet: 96978824 Equivalent to 5 /8s, 199 /16s and 199 /24s Percentage of available LACNIC address space announced: 64.2
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: 8941 Total AfriNIC prefixes after maximum aggregation: 2095 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 6949 Unique aggregates announced from the AfriNIC address blocks: 2118 AfriNIC Region origin ASes present in the Internet Routing Table: 518 AfriNIC Prefixes per ASN: 13.42 AfriNIC Region origin ASes announcing only one prefix: 165 AfriNIC Region transit ASes present in the Internet Routing Table: 120 Average AfriNIC Region AS path length visible: 4.4 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: 31513856 Equivalent to 1 /8s, 224 /16s and 221 /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 2490 11108 993 Korea Telecom (KIX) 17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1641 303 86 TPG Internet Pty Ltd 4755 1558 385 157 TATA Communications formerly 7552 1282 1064 7 Vietel Corporation 9829 1182 997 29 BSNL National Internet Backbo 4808 1148 2112 319 CNCGROUP IP network: China169 9583 1126 84 483 Sify Limited 24560 1020 385 167 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 6389 3438 3807 199 bellsouth.net, inc. 7029 3415 1014 159 Windstream Communications Inc 18566 2091 382 177 Covad Communications 1785 1872 680 126 PaeTec Communications, Inc. 20115 1629 1551 630 Charter Communications 4323 1607 1043 381 Time Warner Telecom 22773 1535 2910 110 Cox Communications, Inc. 30036 1413 253 749 Mediacom Communications Corp 19262 1389 4703 399 Verizon Global Networks 7018 1310 6980 850 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 1779 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 LDCOM NETWORKS 34984 658 188 172 BILISIM TELEKOM 6830 644 1927 413 UPC Distribution Services 20940 619 198 475 Akamai Technologies European 12479 608 644 55 Uni2 Autonomous System 8551 565 360 81 Bezeq International 31148 541 37 9 FreeNet ISP 3320 533 8450 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 1751 324 171 TVCABLE BOGOTA 28573 1685 1088 62 NET Servicos de Comunicao S.A 8151 1479 3009 350 UniNet S.A. de C.V. 7303 1328 822 186 Telecom Argentina Stet-France 26615 857 664 33 Tim Brasil S.A. 27947 662 67 108 Telconet S.A 11172 633 91 73 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 3816 554 237 91 Empresa Nacional de Telecomun 6503 552 418 66 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 1255 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 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 33776 182 12 20 Starcomms Nigeria Limited 16637 163 664 82 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 3438 3807 199 bellsouth.net, inc. 7029 3415 1014 159 Windstream Communications Inc 4766 2490 11108 993 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1872 680 126 PaeTec Communications, Inc. 8402 1779 480 15 Corbina telecom 10620 1751 324 171 TVCABLE BOGOTA 17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA 28573 1685 1088 62 NET Servicos de Comunicao S.A 7545 1641 303 86 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 3415 3256 Windstream Communications Inc 18566 2091 1914 Covad Communications 8402 1779 1764 Corbina telecom 1785 1872 1746 PaeTec Communications, Inc. 17974 1732 1696 PT TELEKOMUNIKASI INDONESIA 28573 1685 1623 NET Servicos de Comunicao S.A 10620 1751 1580 TVCABLE BOGOTA 7545 1641 1555 TPG Internet Pty Ltd 4766 2490 1497 Korea Telecom (KIX) 22773 1535 1425 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 23.27.0.0/16 18779 Guru.com 27.112.114.0/24 23884 Proimage Engineering and Comm
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 /12:232 /13:459 /14:811 /15:1474 /16:12159 /17:6214 /18:10387 /19:20483 /20:28446 /21:29317 /22:39844 /23:37086 /24:208012 /25:1182 /26:1433 /27:781 /28:168 /29:57 /30:14 /31:0 /32:19
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3069 3415 Windstream Communications Inc 6389 2110 3438 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1758 1779 Corbina telecom 10620 1648 1751 TVCABLE BOGOTA 30036 1363 1413 Mediacom Communications Corp 11492 1122 1159 Cable One 1785 1063 1872 PaeTec Communications, Inc. 8452 1063 1255 TEDATA 15557 1046 1099 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:504 2:733 4:14 6:3 8:387 12:1962 13:1 14:603 15:11 16:3 17:7 20:8 23:134 24:1736 27:1195 31:941 32:65 33:2 34:2 36:9 37:198 38:783 40:116 41:3097 42:112 43:1 44:3 46:1324 47:3 49:332 50:507 52:13 54:2 55:9 56:3 57:38 58:964 59:494 60:340 61:1194 62:967 63:2005 64:4123 65:2285 66:4458 67:2025 68:1175 69:3163 70:909 71:407 72:1791 74:2658 75:470 76:320 77:972 78:966 79:509 80:1222 81:879 82:629 83:527 84:585 85:1152 86:726 87:912 88:334 89:1560 90:283 91:4493 92:511 93:1353 94:1386 95:1116 96:419 97:312 98:831 99:38 100:4 101:154 103:820 106:66 107:161 108:173 109:1542 110:708 111:857 112:434 113:523 114:600 115:768 116:870 117:710 118:906 119:1256 120:362 121:690 122:1625 123:1078 124:1338 125:1323 128:538 129:190 130:218 131:591 132:162 133:21 134:234 135:62 136:214 137:182 138:287 139:145 140:490 141:261 142:393 143:411 144:516 145:69 146:487 147:238 148:732 149:301 150:163 151:198 152:448 153:171 154:8 155:397 156:212 157:370 158:163 159:517 160:321 161:241 162:342 163:187 164:531 165:393 166:559 167:459 168:765 169:148 170:838 171:117 172:4 173:1720 174:603 175:422 176:507 177:493 178:1267 180:1184 181:68 182:733 183:280 184:432 185:1 186:2012 187:859 188:1081 189:1180 190:5473 192:5982 193:5543 194:4346 195:3398 196:1291 197:166 198:3622 199:4419 200:5713 201:1736 202:8400 203:8629 204:4365 205:2441 206:2740 207:2795 208:4071 209:3549 210:2758 211:1476 212:2019 213:1839 214:856 215:102 216:5036 217:1503 218:548 219:339 220:1230 221:562 222:323 223:314
End of report
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