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Routing Table Report 08:00 +10GMT Wed 09 May, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 399480 Prefixes after maximum aggregation: 171234 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 198625 Total ASes present in the Internet Routing Table: 38453 Prefixes per ASN: 10.39 Origin-only ASes present in the Internet Routing Table: 33152 Origin ASes announcing only one prefix: 15659 Transit ASes present in the Internet Routing Table: 5301 Transit-only ASes present in the Internet Routing Table: 116 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN ( 2115) 25 Prefixes from unregistered ASNs in the Routing Table: 1205 Unregistered ASNs in the Routing Table: 221 Number of 32-bit ASNs allocated by the RIRs: 2669 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 5760 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 112 Number of addresses announced to Internet: 2566968064 Equivalent to 153 /8s, 0 /16s and 211 /24s Percentage of available address space announced: 69.3 Percentage of allocated address space announced: 69.3 Percentage of available address space allocated: 99.9 Percentage of address space in use by end-sites: 92.5 Total number of prefixes smaller than registry allocations: 168958
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 93977 Total APNIC prefixes after maximum aggregation: 30836 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 91455 Unique aggregates announced from the APNIC address blocks: 39829 APNIC Region origin ASes present in the Internet Routing Table: 4640 APNIC Prefixes per ASN: 19.71 APNIC Region origin ASes announcing only one prefix: 1264 APNIC Region transit ASes present in the Internet Routing Table: 707 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 644377088 Equivalent to 38 /8s, 104 /16s and 106 /24s Percentage of available APNIC address space announced: 81.7
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: 149113 Total ARIN prefixes after maximum aggregation: 75992 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 120453 Unique aggregates announced from the ARIN address blocks: 50654 ARIN Region origin ASes present in the Internet Routing Table: 15022 ARIN Prefixes per ASN: 8.02 ARIN Region origin ASes announcing only one prefix: 5739 ARIN Region transit ASes present in the Internet Routing Table: 1512 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 810053120 Equivalent to 48 /8s, 72 /16s and 110 /24s Percentage of available ARIN address space announced: 64.6
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: 100294 Total RIPE prefixes after maximum aggregation: 53998 RIPE Deaggregation factor: 1.86 Prefixes being announced from the RIPE address blocks: 92552 Unique aggregates announced from the RIPE address blocks: 58567 RIPE Region origin ASes present in the Internet Routing Table: 16522 RIPE Prefixes per ASN: 5.60 RIPE Region origin ASes announcing only one prefix: 8046 RIPE Region transit ASes present in the Internet Routing Table: 2608 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 512329728 Equivalent to 30 /8s, 137 /16s and 136 /24s Percentage of available RIPE address space announced: 82.5
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: 40580 Total LACNIC prefixes after maximum aggregation: 8154 LACNIC Deaggregation factor: 4.98 Prefixes being announced from the LACNIC address blocks: 40704 Unique aggregates announced from the LACNIC address blocks: 20458 LACNIC Region origin ASes present in the Internet Routing Table: 1582 LACNIC Prefixes per ASN: 25.73 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 292 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 100061952 Equivalent to 5 /8s, 246 /16s and 211 /24s Percentage of available LACNIC address space announced: 66.3
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: 8885 Total AfriNIC prefixes after maximum aggregation: 2137 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 6939 Unique aggregates announced from the AfriNIC address blocks: 2228 AfriNIC Region origin ASes present in the Internet Routing Table: 533 AfriNIC Prefixes per ASN: 13.02 AfriNIC Region origin ASes announcing only one prefix: 167 AfriNIC Region transit ASes present in the Internet Routing Table: 119 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 31767296 Equivalent to 1 /8s, 228 /16s and 187 /24s Percentage of available AfriNIC address space announced: 47.3
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 1941 11105 695 Korea Telecom (KIX) 17974 1775 510 73 PT Telekomunikasi Indonesia 7545 1659 301 86 TPG Internet Pty Ltd 4755 1552 384 149 TATA Communications formerly 9829 1280 1069 30 National Internet Backbone 9583 1150 85 495 Sify Limited 7552 1131 1062 11 Vietel Corporation 24560 1025 385 167 Bharti Airtel Ltd., Telemedia 9498 964 291 65 BHARTI Airtel Ltd. 4808 951 1938 284 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3417 3807 200 BellSouth.net Inc. 7029 3408 1016 171 Windstream Communications Inc 18566 2094 382 179 Covad Communications Co. 1785 1898 680 129 PaeTec Communications, Inc. 20115 1639 1565 618 Charter Communications 4323 1602 1060 383 tw telecom holdings, inc. 22773 1591 2911 115 Cox Communications Inc. 30036 1426 261 757 Mediacom Communications Corp 7018 1257 10071 826 AT&T Services, Inc. 11492 1186 216 364 CABLE ONE, INC.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8402 1505 544 16 Corbina telecom 34984 688 188 172 BILISIM TELEKOM 31148 684 37 9 FreeNet ISP 12479 669 670 68 France Telecom Espana SA 6830 656 2215 427 UPC Broadband 20940 639 212 506 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3320 533 8441 398 Deutsche Telekom AG 8551 503 360 80 Bezeq International 2578 500 33 7 Demos, Moscow, Russia
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 10620 1854 332 184 Types of queries are: POCs, o 28573 1807 1135 57 Types of queries are: POCs, o 6503 1518 418 69 Axtel, S.A.B. de C.V. 7303 1370 836 192 Telecom Argentina S.A. 8151 1326 2983 335 Uninet S.A. de C.V. 26615 903 761 33 Tim Celular S.A. 27947 663 74 98 Telconet S.A 11172 644 107 74 Alestra, S. de R.L. de C.V. 22047 582 326 15 Types of queries are: POCs, o 3816 577 243 97 Types of queries are: POCs, o
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8452 1306 958 13 TEDATA 24863 841 274 32 LINKdotNET AS number 6713 493 649 18 Itissalat Al-MAGHRIB 3741 263 921 223 The Internet Solution 12258 197 28 62 Vodacom Internet Company 33776 184 12 21 Starcomms Nigeria Limited 24835 179 80 8 RAYA Telecom - Egypt 16637 160 666 86 MTN Network Solutions 29571 158 15 16 Ci Telecom Autonomous system 36923 157 20 4 Swift Networks Limited
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 6389 3417 3807 200 BellSouth.net Inc. 7029 3408 1016 171 Windstream Communications Inc 18566 2094 382 179 Covad Communications Co. 4766 1941 11105 695 Korea Telecom (KIX) 1785 1898 680 129 PaeTec Communications, Inc. 10620 1854 332 184 Types of queries are: POCs, o 28573 1807 1135 57 Types of queries are: POCs, o 17974 1775 510 73 PT Telekomunikasi Indonesia 7545 1659 301 86 TPG Internet Pty Ltd 20115 1639 1565 618 Charter Communications
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 7029 3408 3237 Windstream Communications Inc 18566 2094 1915 Covad Communications Co. 1785 1898 1769 PaeTec Communications, Inc. 28573 1807 1750 Types of queries are: POCs, o 17974 1775 1702 PT Telekomunikasi Indonesia 10620 1854 1670 Types of queries are: POCs, o 7545 1659 1573 TPG Internet Pty Ltd 8402 1505 1489 Corbina telecom 22773 1591 1476 Cox Communications Inc. 6503 1518 1449 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 128.0.0.0/21 12654 RIPE NCC RIS Project 128.0.24.0/24 12654 RIPE NCC RIS Project 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 0 * 198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 5.23.40.0/21 13193 Nerim -- xDSL Internet Provid 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/london/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 /8:20 /9:12 /10:29 /11:82 /12:236 /13:460 /14:830 /15:1493 /16:12184 /17:6194 /18:10470 /19:20659 /20:29108 /21:29847 /22:39535 /23:37722 /24:210034 /25:11 /26:21 /27:20 /28:152 /29:149 /30:74 /31:0 /32:138
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3047 3408 Windstream Communications Inc 6389 2134 3417 BellSouth.net Inc. 18566 2043 2094 Covad Communications Co. 10620 1707 1854 Types of queries are: POCs, o 8402 1483 1505 Corbina telecom 30036 1370 1426 Mediacom Communications Corp 6503 1274 1518 Axtel, S.A.B. de C.V. 11492 1149 1186 CABLE ONE, INC. 8452 1107 1306 TEDATA 7011 1068 1183 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:537 2:558 4:14 6:3 8:408 12:1962 13:1 14:607 15:12 16:3 17:5 20:23 23:162 24:1757 27:1254 31:968 32:52 33:2 34:2 36:8 37:435 38:800 40:118 41:3063 42:136 44:3 46:1415 47:3 49:413 50:544 52:13 54:10 55:11 56:3 57:28 58:912 59:478 60:247 61:1104 62:985 63:2046 64:4153 65:2250 66:4451 67:2013 68:1162 69:3170 70:903 71:485 72:1829 74:2587 75:492 76:318 77:944 78:957 79:488 80:1215 81:910 82:672 83:546 84:484 85:1203 86:437 87:911 88:333 89:1680 90:291 91:4783 92:523 93:1465 94:1504 95:887 96:364 97:316 98:872 99:35 100:7 101:182 103:1020 106:103 107:191 108:262 109:1328 110:754 111:912 112:400 113:593 114:624 115:797 116:878 117:696 118:906 119:1198 120:346 121:672 122:1632 123:1102 124:1312 125:1238 128:512 129:188 130:246 131:588 132:170 133:22 134:236 135:62 136:213 137:172 138:356 139:181 140:465 141:242 142:391 143:421 144:515 145:70 146:496 147:279 148:746 149:305 150:149 151:180 152:464 153:172 154:11 155:417 156:216 157:336 158:175 159:475 160:337 161:236 162:344 163:181 164:580 165:388 166:571 167:467 168:815 169:127 170:865 171:130 172:2 173:1753 174:580 175:423 176:615 177:727 178:1358 180:1199 181:82 182:937 183:296 184:483 185:1 186:2255 187:1071 188:1244 189:1767 190:5567 192:5963 193:5295 194:3970 195:3389 196:1251 197:129 198:3605 199:4550 200:5752 201:1923 202:8283 203:8510 204:4248 205:2490 206:2655 207:2724 208:4064 209:3599 210:2660 211:1456 212:2018 213:1927 214:858 215:101 216:5086 217:1537 218:528 219:316 220:1228 221:537 222:294 223:325
End of report
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