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Routing Table Report 04:00 +10GMT Fri 01 Jun, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 412487 Prefixes after maximum aggregation: 174439 Deaggregation factor: 2.36 Unique aggregates announced to Internet: 200548 Total ASes present in the Internet Routing Table: 41153 Prefixes per ASN: 10.02 Origin-only ASes present in the Internet Routing Table: 33229 Origin ASes announcing only one prefix: 15652 Transit ASes present in the Internet Routing Table: 5502 Transit-only ASes present in the Internet Routing Table: 135 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 395 Unregistered ASNs in the Routing Table: 137 Number of 32-bit ASNs allocated by the RIRs: 2771 Number of 32-bit ASNs visible in the Routing Table: 2422 Prefixes from 32-bit ASNs in the Routing Table: 6165 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 115 Number of addresses announced to Internet: 2560898604 Equivalent to 152 /8s, 164 /16s and 54 /24s Percentage of available address space announced: 69.1 Percentage of allocated address space announced: 69.2 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 92.8 Total number of prefixes smaller than registry allocations: 175889
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 100602 Total APNIC prefixes after maximum aggregation: 32470 APNIC Deaggregation factor: 3.10 Prefixes being announced from the APNIC address blocks: 97072 Unique aggregates announced from the APNIC address blocks: 39921 APNIC Region origin ASes present in the Internet Routing Table: 4692 APNIC Prefixes per ASN: 20.69 APNIC Region origin ASes announcing only one prefix: 1245 APNIC Region transit ASes present in the Internet Routing Table: 732 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 221 Number of APNIC addresses announced to Internet: 648544832 Equivalent to 38 /8s, 168 /16s and 2 /24s Percentage of available APNIC address space announced: 82.2
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: 151572 Total ARIN prefixes after maximum aggregation: 76864 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 122046 Unique aggregates announced from the ARIN address blocks: 51231 ARIN Region origin ASes present in the Internet Routing Table: 15137 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5748 ARIN Region transit ASes present in the Internet Routing Table: 1600 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: 17 Number of ARIN addresses announced to Internet: 816871616 Equivalent to 48 /8s, 176 /16s and 120 /24s Percentage of available ARIN address space announced: 65.1
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: 102692 Total RIPE prefixes after maximum aggregation: 54595 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 94677 Unique aggregates announced from the RIPE address blocks: 59372 RIPE Region origin ASes present in the Internet Routing Table: 16591 RIPE Prefixes per ASN: 5.71 RIPE Region origin ASes announcing only one prefix: 8052 RIPE Region transit ASes present in the Internet Routing Table: 2652 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1607 Number of RIPE addresses announced to Internet: 515069444 Equivalent to 30 /8s, 179 /16s and 86 /24s Percentage of available RIPE address space announced: 83.0
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: 41845 Total LACNIC prefixes after maximum aggregation: 8274 LACNIC Deaggregation factor: 5.06 Prefixes being announced from the LACNIC address blocks: 41994 Unique aggregates announced from the LACNIC address blocks: 20584 LACNIC Region origin ASes present in the Internet Routing Table: 1598 LACNIC Prefixes per ASN: 26.28 LACNIC Region origin ASes announcing only one prefix: 438 LACNIC Region transit ASes present in the Internet Routing Table: 307 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 572 Number of LACNIC addresses announced to Internet: 101647752 Equivalent to 6 /8s, 15 /16s and 5 /24s Percentage of available LACNIC address space announced: 67.3
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: 9421 Total AfriNIC prefixes after maximum aggregation: 2171 AfriNIC Deaggregation factor: 4.34 Prefixes being announced from the AfriNIC address blocks: 7469 Unique aggregates announced from the AfriNIC address blocks: 2186 AfriNIC Region origin ASes present in the Internet Routing Table: 541 AfriNIC Prefixes per ASN: 13.81 AfriNIC Region origin ASes announcing only one prefix: 169 AfriNIC Region transit ASes present in the Internet Routing Table: 121 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: 5 Number of AfriNIC addresses announced to Internet: 31884800 Equivalent to 1 /8s, 230 /16s and 134 /24s Percentage of available AfriNIC address space announced: 47.5
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 2637 11113 1122 Korea Telecom (KIX) 17974 1927 530 81 PT TELEKOMUNIKASI INDONESIA 7545 1669 301 87 TPG Internet Pty Ltd 4755 1577 386 156 TATA Communications formerly 9829 1295 1085 28 BSNL National Internet Backbo 7552 1165 1062 11 Vietel Corporation 9583 1156 87 503 Sify Limited 4808 1107 2050 317 CNCGROUP IP network: China169 24560 1027 385 167 Bharti Airtel Ltd., Telemedia 9498 964 291 63 BHARTI Airtel Ltd.
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 3411 3807 193 bellsouth.net, inc. 7029 3312 986 159 Windstream Communications Inc 18566 2092 382 181 Covad Communications 1785 1911 680 130 PaeTec Communications, Inc. 20115 1644 1569 619 Charter Communications 22773 1638 2911 121 Cox Communications, Inc. 4323 1573 1043 384 Time Warner Telecom 30036 1419 264 753 Mediacom Communications Corp 7018 1224 10031 823 AT&T WorldNet Services 7011 1188 317 681 Citizens Utilities
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 1759 544 16 Corbina telecom 2118 1301 97 14 EUnet/RELCOM Autonomous Syste 34984 700 188 170 BILISIM TELEKOM 12479 697 679 71 Uni2 Autonomous System 31148 679 37 9 FreeNet ISP 20940 661 216 514 Akamai Technologies European 6830 655 2215 426 UPC Distribution Services 8551 579 364 61 Bezeq International 3320 489 8442 402 Deutsche Telekom AG 3292 472 2108 407 TDC Tele Danmark
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 1920 340 201 TVCABLE BOGOTA 28573 1895 1180 51 NET Servicos de Comunicao S.A 6503 1532 418 65 AVANTEL, S.A. 8151 1486 3066 334 UniNet S.A. de C.V. 7303 1435 901 191 Telecom Argentina Stet-France 26615 902 760 32 Tim Brasil S.A. 27947 693 73 94 Telconet S.A 11172 644 91 73 Servicios Alestra S.A de C.V 3816 585 247 89 Empresa Nacional de Telecomun 22047 583 326 15 VTR PUNTO NET 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 1370 958 13 TEDATA 24863 846 274 35 LINKdotNET AS number 6713 497 649 18 Itissalat Al-MAGHRIB 24835 321 80 8 RAYA Telecom - Egypt 3741 262 905 223 The Internet Solution 33776 210 12 21 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 16637 173 666 85 MTN Network Solutions 15706 165 32 6 Sudatel Internet Exchange Aut 29571 157 15 16 Ci Telecom Autonomous system
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 3411 3807 193 bellsouth.net, inc. 7029 3312 986 159 Windstream Communications Inc 4766 2637 11113 1122 Korea Telecom (KIX) 18566 2092 382 181 Covad Communications 17974 1927 530 81 PT TELEKOMUNIKASI INDONESIA 10620 1920 340 201 TVCABLE BOGOTA 1785 1911 680 130 PaeTec Communications, Inc. 28573 1895 1180 51 NET Servicos de Comunicao S.A 8402 1759 544 16 Corbina telecom 7545 1669 301 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 3312 3153 Windstream Communications Inc 18566 2092 1911 Covad Communications 17974 1927 1846 PT TELEKOMUNIKASI INDONESIA 28573 1895 1844 NET Servicos de Comunicao S.A 1785 1911 1781 PaeTec Communications, Inc. 8402 1759 1743 Corbina telecom 10620 1920 1719 TVCABLE BOGOTA 7545 1669 1582 TPG Internet Pty Ltd 22773 1638 1517 Cox Communications, Inc. 4766 2637 1515 Korea Telecom (KIX)
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 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 32873 UNALLOCATED 12.46.102.0/24 10912 InterNAP Network Ser 14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
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 5.56.144.0/20 31027 Nianet is a Danish Internet S 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 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 /9:13 /10:29 /11:82 /12:236 /13:462 /14:834 /15:1504 /16:12299 /17:6316 /18:10628 /19:20802 /20:29479 /21:30944 /22:40657 /23:38497 /24:215907 /25:1227 /26:1451 /27:825 /28:171 /29:67 /30:16 /31:0 /32:22
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 2974 3312 Windstream Communications Inc 6389 2130 3411 bellsouth.net, inc. 18566 2041 2092 Covad Communications 8402 1737 1759 Corbina telecom 10620 1734 1920 TVCABLE BOGOTA 30036 1359 1419 Mediacom Communications Corp 6503 1288 1532 AVANTEL, S.A. 8452 1171 1370 TEDATA 11492 1151 1188 Cable One 22773 1083 1638 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:552 2:756 4:13 5:39 6:3 8:418 12:2013 13:1 14:610 15:12 16:3 17:5 20:23 23:175 24:1778 27:1314 31:983 32:56 33:2 34:2 36:8 37:639 38:813 40:125 41:3261 42:135 44:3 46:1429 47:3 49:450 50:553 52:13 54:12 55:9 56:3 57:33 58:961 59:499 60:254 61:1219 62:993 63:2010 64:4245 65:2251 66:4463 67:2032 68:1156 69:3175 70:933 71:491 72:1822 74:2602 75:493 76:328 77:954 78:983 79:490 80:1221 81:939 82:660 83:544 84:498 85:1200 86:437 87:909 88:336 89:1721 90:292 91:4877 92:541 93:1375 94:1559 95:1167 96:362 97:313 98:867 99:38 100:7 101:235 103:1112 106:103 107:186 108:313 109:1339 110:767 111:929 112:415 113:608 114:627 115:843 116:938 117:721 118:911 119:1241 120:354 121:699 122:1666 123:1107 124:1390 125:1259 128:554 129:195 130:247 131:631 132:289 133:22 134:247 135:62 136:215 137:241 138:359 139:185 140:496 141:252 142:415 143:439 144:536 145:72 146:509 147:285 148:775 149:306 150:194 151:175 152:469 153:172 154:13 155:404 156:221 157:381 158:184 159:556 160:343 161:264 162:341 163:190 164:614 165:403 166:592 167:469 168:863 169:126 170:876 171:134 172:2 173:1761 174:588 175:431 176:546 177:798 178:1396 180:1227 181:88 182:1042 183:196 184:525 185:1 186:2312 187:1108 188:1297 189:1823 190:5567 192:6008 193:5567 194:4531 195:3415 196:1216 197:147 198:3660 199:4711 200:5895 201:1942 202:8613 203:8576 204:4340 205:2536 206:2776 207:2807 208:4062 209:3619 210:2759 211:1544 212:2036 213:1932 214:867 215:98 216:5098 217:1553 218:553 219:315 220:1238 221:565 222:315 223:362
End of report
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