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Routing Table Report 04:00 +10GMT Thu 31 May, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary ----------------
BGP routing table entries examined: 412220 Prefixes after maximum aggregation: 174442 Deaggregation factor: 2.36 Unique aggregates announced to Internet: 200499 Total ASes present in the Internet Routing Table: 41155 Prefixes per ASN: 10.02 Origin-only ASes present in the Internet Routing Table: 33236 Origin ASes announcing only one prefix: 15653 Transit ASes present in the Internet Routing Table: 5501 Transit-only ASes present in the Internet Routing Table: 134 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: 412 Unregistered ASNs in the Routing Table: 137 Number of 32-bit ASNs allocated by the RIRs: 2765 Number of 32-bit ASNs visible in the Routing Table: 2418 Prefixes from 32-bit ASNs in the Routing Table: 6155 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 114 Number of addresses announced to Internet: 2559553072 Equivalent to 152 /8s, 143 /16s and 174 /24s Percentage of available address space announced: 69.1 Percentage of allocated address space announced: 69.1 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: 175627
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 100653 Total APNIC prefixes after maximum aggregation: 32481 APNIC Deaggregation factor: 3.10 Prefixes being announced from the APNIC address blocks: 97102 Unique aggregates announced from the APNIC address blocks: 39985 APNIC Region origin ASes present in the Internet Routing Table: 4697 APNIC Prefixes per ASN: 20.67 APNIC Region origin ASes announcing only one prefix: 1247 APNIC Region transit ASes present in the Internet Routing Table: 735 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: 223 Number of APNIC addresses announced to Internet: 647503168 Equivalent to 38 /8s, 152 /16s and 29 /24s Percentage of available APNIC address space announced: 82.1
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: 151502 Total ARIN prefixes after maximum aggregation: 76863 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 121950 Unique aggregates announced from the ARIN address blocks: 51225 ARIN Region origin ASes present in the Internet Routing Table: 15133 ARIN Prefixes per ASN: 8.06 ARIN Region origin ASes announcing only one prefix: 5739 ARIN Region transit ASes present in the Internet Routing Table: 1597 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: 816653760 Equivalent to 48 /8s, 173 /16s and 37 /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: 102482 Total RIPE prefixes after maximum aggregation: 54552 RIPE Deaggregation factor: 1.88 Prefixes being announced from the RIPE address blocks: 94534 Unique aggregates announced from the RIPE address blocks: 59356 RIPE Region origin ASes present in the Internet Routing Table: 16595 RIPE Prefixes per ASN: 5.70 RIPE Region origin ASes announcing only one prefix: 8060 RIPE Region transit ASes present in the Internet Routing Table: 2655 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: 1602 Number of RIPE addresses announced to Internet: 515044104 Equivalent to 30 /8s, 178 /16s and 243 /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: 41782 Total LACNIC prefixes after maximum aggregation: 8289 LACNIC Deaggregation factor: 5.04 Prefixes being announced from the LACNIC address blocks: 41936 Unique aggregates announced from the LACNIC address blocks: 20573 LACNIC Region origin ASes present in the Internet Routing Table: 1597 LACNIC Prefixes per ASN: 26.26 LACNIC Region origin ASes announcing only one prefix: 439 LACNIC Region transit ASes present in the Internet Routing Table: 305 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: 571 Number of LACNIC addresses announced to Internet: 101626760 Equivalent to 6 /8s, 14 /16s and 179 /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: 9440 Total AfriNIC prefixes after maximum aggregation: 2176 AfriNIC Deaggregation factor: 4.34 Prefixes being announced from the AfriNIC address blocks: 7462 Unique aggregates announced from the AfriNIC address blocks: 2192 AfriNIC Region origin ASes present in the Internet Routing Table: 544 AfriNIC Prefixes per ASN: 13.72 AfriNIC Region origin ASes announcing only one prefix: 168 AfriNIC Region transit ASes present in the Internet Routing Table: 122 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: 31838208 Equivalent to 1 /8s, 229 /16s and 208 /24s Percentage of available AfriNIC address space announced: 47.4
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 1924 530 80 PT TELEKOMUNIKASI INDONESIA 7545 1667 301 86 TPG Internet Pty Ltd 4755 1577 386 156 TATA Communications formerly 9829 1298 1085 28 BSNL National Internet Backbo 7552 1172 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 3338 986 159 Windstream Communications Inc 18566 2092 382 181 Covad Communications 1785 1909 681 131 PaeTec Communications, Inc. 20115 1645 1569 619 Charter Communications 22773 1617 2911 121 Cox Communications, Inc. 4323 1570 1043 384 Time Warner Telecom 30036 1415 262 753 Mediacom Communications Corp 7018 1225 10031 822 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 1693 544 16 Corbina telecom 2118 1302 97 14 EUnet/RELCOM Autonomous Syste 34984 699 188 172 BILISIM TELEKOM 12479 696 679 71 Uni2 Autonomous System 31148 683 37 9 FreeNet ISP 20940 660 216 514 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 1896 1180 57 NET Servicos de Comunicao S.A 6503 1533 418 65 AVANTEL, S.A. 8151 1483 3065 333 UniNet S.A. de C.V. 7303 1435 901 191 Telecom Argentina Stet-France 26615 902 760 32 Tim Brasil S.A. 27947 691 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 171 666 83 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 3338 986 159 Windstream Communications Inc 4766 2637 11113 1122 Korea Telecom (KIX) 18566 2092 382 181 Covad Communications 17974 1924 530 80 PT TELEKOMUNIKASI INDONESIA 10620 1920 340 201 TVCABLE BOGOTA 1785 1909 681 131 PaeTec Communications, Inc. 28573 1896 1180 57 NET Servicos de Comunicao S.A 8402 1693 544 16 Corbina telecom 7545 1667 301 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 3338 3179 Windstream Communications Inc 18566 2092 1911 Covad Communications 17974 1924 1844 PT TELEKOMUNIKASI INDONESIA 28573 1896 1839 NET Servicos de Comunicao S.A 1785 1909 1778 PaeTec Communications, Inc. 10620 1920 1719 TVCABLE BOGOTA 8402 1693 1677 Corbina telecom 7545 1667 1581 TPG Internet Pty Ltd 4766 2637 1515 Korea Telecom (KIX) 22773 1617 1496 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 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 5.45.176.0/21 29141 Bradler & Krantz, Bochum, Ger 5.53.32.0/19 30783 Rased Maral Ava Jonoob JSC 5.53.120.0/21 51012 LLC "UralPromService" 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
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 /11:81 /12:236 /13:462 /14:833 /15:1504 /16:12299 /17:6312 /18:10623 /19:20808 /20:29485 /21:30915 /22:40560 /23:38507 /24:215756 /25:1224 /26:1454 /27:824 /28:170 /29:67 /30:17 /31:0 /32:22
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 2998 3338 Windstream Communications Inc 6389 2130 3411 bellsouth.net, inc. 18566 2041 2092 Covad Communications 10620 1734 1920 TVCABLE BOGOTA 8402 1671 1693 Corbina telecom 30036 1356 1415 Mediacom Communications Corp 6503 1288 1533 AVANTEL, S.A. 8452 1171 1370 TEDATA 11492 1150 1187 Cable One 7011 1073 1188 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:554 2:740 4:13 5:38 6:3 8:421 12:2015 13:1 14:617 15:12 16:3 17:5 20:23 23:174 24:1776 27:1316 31:981 32:56 33:2 34:2 36:8 37:636 38:812 40:122 41:3259 42:138 44:3 46:1426 47:3 49:449 50:553 52:13 54:12 55:8 56:3 57:33 58:960 59:496 60:254 61:1218 62:1014 63:2004 64:4246 65:2248 66:4467 67:1995 68:1155 69:3174 70:933 71:493 72:1821 74:2598 75:494 76:329 77:952 78:959 79:491 80:1221 81:939 82:661 83:545 84:495 85:1216 86:438 87:904 88:347 89:1714 90:292 91:4872 92:540 93:1365 94:1556 95:1154 96:362 97:313 98:865 99:38 100:7 101:208 103:1113 106:103 107:185 108:312 109:1331 110:753 111:923 112:415 113:607 114:634 115:843 116:936 117:726 118:914 119:1236 120:354 121:700 122:1667 123:1105 124:1391 125:1257 128:550 129:195 130:246 131:631 132:289 133:22 134:247 135:62 136:215 137:241 138:358 139:185 140:497 141:252 142:415 143:574 144:535 145:72 146:503 147:284 148:775 149:306 150:193 151:175 152:469 153:172 154:12 155:404 156:222 157:381 158:184 159:557 160:345 161:265 162:343 163:190 164:604 165:400 166:593 167:469 168:863 169:126 170:783 171:132 172:2 173:1748 174:583 175:432 176:545 177:809 178:1396 180:1223 181:88 182:1042 183:227 184:504 185:1 186:2311 187:1100 188:1290 189:1821 190:5554 192:6008 193:5564 194:4524 195:3416 196:1241 197:147 198:3662 199:4710 200:5893 201:1933 202:8620 203:8586 204:4342 205:2532 206:2773 207:2806 208:4060 209:3617 210:2760 211:1542 212:2028 213:1931 214:860 215:96 216:5110 217:1553 218:552 219:315 220:1238 221:565 222:315 223:357
End of report
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