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Routing Table Report 04:00 +10GMT Wed 22 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 398221 Prefixes after maximum aggregation: 169798 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 192613 Total ASes present in the Internet Routing Table: 40174 Prefixes per ASN: 9.91 Origin-only ASes present in the Internet Routing Table: 32774 Origin ASes announcing only one prefix: 15524 Transit ASes present in the Internet Routing Table: 5411 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: 329 Unregistered ASNs in the Routing Table: 130 Number of 32-bit ASNs allocated by the RIRs: 2286 Number of 32-bit ASNs visible in the Routing Table: 1989 Prefixes from 32-bit ASNs in the Routing Table: 4785 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 257 Number of addresses announced to Internet: 2516833104 Equivalent to 150 /8s, 3 /16s and 211 /24s Percentage of available address space announced: 67.9 Percentage of allocated address space announced: 67.9 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: 169232
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 98027 Total APNIC prefixes after maximum aggregation: 31699 APNIC Deaggregation factor: 3.09 Prefixes being announced from the APNIC address blocks: 94331 Unique aggregates announced from the APNIC address blocks: 39177 APNIC Region origin ASes present in the Internet Routing Table: 4663 APNIC Prefixes per ASN: 20.23 APNIC Region origin ASes announcing only one prefix: 1240 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: 150 Number of APNIC addresses announced to Internet: 636121440 Equivalent to 37 /8s, 234 /16s and 113 /24s Percentage of available APNIC address space announced: 80.7
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: 148430 Total ARIN prefixes after maximum aggregation: 75352 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120285 Unique aggregates announced from the ARIN address blocks: 49529 ARIN Region origin ASes present in the Internet Routing Table: 14908 ARIN Prefixes per ASN: 8.07 ARIN Region origin ASes announcing only one prefix: 5671 ARIN Region transit ASes present in the Internet Routing Table: 1568 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: 805263296 Equivalent to 47 /8s, 255 /16s and 87 /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: 99328 Total RIPE prefixes after maximum aggregation: 52470 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 91039 Unique aggregates announced from the RIPE address blocks: 56124 RIPE Region origin ASes present in the Internet Routing Table: 16324 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 8007 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: 1365 Number of RIPE addresses announced to Internet: 501050632 Equivalent to 29 /8s, 221 /16s and 109 /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: 38505 Total LACNIC prefixes after maximum aggregation: 8102 LACNIC Deaggregation factor: 4.75 Prefixes being announced from the LACNIC address blocks: 38165 Unique aggregates announced from the LACNIC address blocks: 19454 LACNIC Region origin ASes present in the Internet Routing Table: 1574 LACNIC Prefixes per ASN: 24.25 LACNIC Region origin ASes announcing only one prefix: 443 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: 24 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 455 Number of LACNIC addresses announced to Internet: 96663688 Equivalent to 5 /8s, 194 /16s and 248 /24s Percentage of available LACNIC address space announced: 64.0
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: 8967 Total AfriNIC prefixes after maximum aggregation: 2084 AfriNIC Deaggregation factor: 4.30 Prefixes being announced from the AfriNIC address blocks: 6976 Unique aggregates announced from the AfriNIC address blocks: 2095 AfriNIC Region origin ASes present in the Internet Routing Table: 517 AfriNIC Prefixes per ASN: 13.49 AfriNIC Region origin ASes announcing only one prefix: 163 AfriNIC Region transit ASes present in the Internet Routing Table: 118 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: 31459328 Equivalent to 1 /8s, 224 /16s and 8 /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 2486 11107 989 Korea Telecom (KIX) 17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1644 303 85 TPG Internet Pty Ltd 4755 1556 385 157 TATA Communications formerly 7552 1281 1064 7 Vietel Corporation 9829 1182 997 29 BSNL National Internet Backbo 4808 1144 2112 313 CNCGROUP IP network: China169 9583 1126 84 483 Sify Limited 24560 1019 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 3439 3807 201 bellsouth.net, inc. 7029 3410 1014 159 Windstream Communications Inc 18566 2091 382 177 Covad Communications 1785 1871 680 126 PaeTec Communications, Inc. 20115 1627 1550 630 Charter Communications 4323 1607 1043 381 Time Warner Telecom 22773 1529 2910 110 Cox Communications, Inc. 30036 1407 252 747 Mediacom Communications Corp 19262 1388 4703 397 Verizon Global Networks 7018 1307 6980 847 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 1768 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 LDCOM NETWORKS 34984 657 188 172 BILISIM TELEKOM 6830 644 1927 413 UPC Distribution Services 20940 615 198 472 Akamai Technologies European 12479 608 644 55 Uni2 Autonomous System 8551 564 360 81 Bezeq International 31148 538 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 1745 323 173 TVCABLE BOGOTA 28573 1644 1085 65 NET Servicos de Comunicao S.A 8151 1479 3009 349 UniNet S.A. de C.V. 7303 1264 758 183 Telecom Argentina Stet-France 26615 814 656 32 Tim Brasil S.A. 27947 656 67 106 Telconet S.A 11172 632 91 73 Servicios Alestra S.A de C.V 22047 581 322 17 VTR PUNTO NET S.A. 6503 553 418 66 AVANTEL, S.A. 3816 552 237 91 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 1227 958 13 TEDATA 24863 833 274 37 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 33776 242 13 8 Starcomms Nigeria Limited 15706 226 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 16637 160 648 83 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 3439 3807 201 bellsouth.net, inc. 7029 3410 1014 159 Windstream Communications Inc 4766 2486 11107 989 Korea Telecom (KIX) 18566 2091 382 177 Covad Communications 1785 1871 680 126 PaeTec Communications, Inc. 8402 1768 480 15 Corbina telecom 10620 1745 323 173 TVCABLE BOGOTA 17974 1732 503 36 PT TELEKOMUNIKASI INDONESIA 7545 1644 303 85 TPG Internet Pty Ltd 28573 1644 1085 65 NET Servicos de Comunicao S.A
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 3410 3251 Windstream Communications Inc 18566 2091 1914 Covad Communications 8402 1768 1753 Corbina telecom 1785 1871 1745 PaeTec Communications, Inc. 17974 1732 1696 PT TELEKOMUNIKASI INDONESIA 28573 1644 1579 NET Servicos de Comunicao S.A 10620 1745 1572 TVCABLE BOGOTA 7545 1644 1559 TPG Internet Pty Ltd 4766 2486 1497 Korea Telecom (KIX) 22773 1529 1419 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 /10:27 /11:80 /12:231 /13:459 /14:812 /15:1469 /16:12159 /17:6205 /18:10380 /19:20471 /20:28342 /21:29276 /22:39885 /23:37038 /24:207723 /25:1178 /26:1419 /27:780 /28:169 /29:56 /30:13 /31:0 /32:18
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3066 3410 Windstream Communications Inc 6389 2109 3439 bellsouth.net, inc. 18566 2040 2091 Covad Communications 8402 1747 1768 Corbina telecom 10620 1642 1745 TVCABLE BOGOTA 30036 1358 1407 Mediacom Communications Corp 11492 1119 1156 Cable One 1785 1063 1871 PaeTec Communications, Inc. 15557 1046 1099 LDCOM NETWORKS 7011 1037 1153 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:503 2:722 4:14 6:3 8:385 12:1959 13:1 14:603 15:11 16:3 17:7 20:8 23:135 24:1732 27:1195 31:947 32:65 33:2 34:2 36:9 37:186 38:780 40:115 41:3109 42:96 43:1 44:3 46:1315 47:3 49:331 50:505 52:13 54:2 55:10 56:3 57:38 58:966 59:494 60:344 61:1192 62:966 63:2006 64:4119 65:2282 66:4440 67:2041 68:1174 69:3162 70:904 71:406 72:1791 74:2656 75:467 76:320 77:976 78:967 79:509 80:1224 81:878 82:620 83:526 84:584 85:1143 86:718 87:913 88:334 89:1550 90:282 91:4484 92:513 93:1353 94:1379 95:1115 96:418 97:313 98:817 99:38 100:4 101:147 103:820 106:65 107:158 108:169 109:1537 110:699 111:854 112:439 113:523 114:603 115:764 116:869 117:710 118:904 119:1258 120:363 121:689 122:1622 123:1077 124:1338 125:1323 128:539 129:190 130:217 131:580 132:164 133:21 134:234 135:62 136:215 137:182 138:287 139:144 140:483 141:263 142:394 143:402 144:514 145:69 146:485 147:237 148:732 149:301 150:163 151:198 152:447 153:171 154:7 155:400 156:213 157:369 158:161 159:512 160:323 161:246 162:343 163:187 164:531 165:391 166:559 167:457 168:763 169:147 170:838 171:115 172:4 173:1722 174:588 175:422 176:507 177:496 178:1279 180:1183 181:68 182:729 183:280 184:430 185:1 186:1958 187:853 188:1079 189:1180 190:5460 192:5980 193:5538 194:4344 195:3397 196:1287 197:167 198:3607 199:4407 200:5704 201:1733 202:8406 203:8629 204:4370 205:2435 206:2746 207:2796 208:4077 209:3554 210:2761 211:1477 212:2020 213:1845 214:857 215:93 216:5047 217:1502 218:549 219:339 220:1225 221:561 222:324 223:316
End of report
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