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Routing Table Report 08:00 +10GMT Wed 30 May, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 404893 Prefixes after maximum aggregation: 172150 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 200301 Total ASes present in the Internet Routing Table: 38585 Prefixes per ASN: 10.49 Origin-only ASes present in the Internet Routing Table: 33293 Origin ASes announcing only one prefix: 15677 Transit ASes present in the Internet Routing Table: 5292 Transit-only ASes present in the Internet Routing Table: 113 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 26 Max AS path prepend of ASN (51742) 24 Prefixes from unregistered ASNs in the Routing Table: 1175 Unregistered ASNs in the Routing Table: 229 Number of 32-bit ASNs allocated by the RIRs: 2761 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 6090 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 114 Number of addresses announced to Internet: 2579059200 Equivalent to 153 /8s, 185 /16s and 82 /24s Percentage of available address space announced: 69.6 Percentage of allocated address space announced: 69.7 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: 171157
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 94823 Total APNIC prefixes after maximum aggregation: 30967 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 92314 Unique aggregates announced from the APNIC address blocks: 40044 APNIC Region origin ASes present in the Internet Routing Table: 4652 APNIC Prefixes per ASN: 19.84 APNIC Region origin ASes announcing only one prefix: 1267 APNIC Region transit ASes present in the Internet Routing Table: 713 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: 645417216 Equivalent to 38 /8s, 120 /16s and 73 /24s Percentage of available APNIC address space announced: 81.9
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: 150185 Total ARIN prefixes after maximum aggregation: 76368 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120815 Unique aggregates announced from the ARIN address blocks: 51207 ARIN Region origin ASes present in the Internet Routing Table: 15076 ARIN Prefixes per ASN: 8.01 ARIN Region origin ASes announcing only one prefix: 5739 ARIN Region transit ASes present in the Internet Routing Table: 1518 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 816606976 Equivalent to 48 /8s, 172 /16s and 111 /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: 102877 Total RIPE prefixes after maximum aggregation: 54489 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 94971 Unique aggregates announced from the RIPE address blocks: 59269 RIPE Region origin ASes present in the Internet Routing Table: 16584 RIPE Prefixes per ASN: 5.73 RIPE Region origin ASes announcing only one prefix: 8064 RIPE Region transit ASes present in the Internet Routing Table: 2582 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 515027200 Equivalent to 30 /8s, 178 /16s and 177 /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: 40733 Total LACNIC prefixes after maximum aggregation: 8084 LACNIC Deaggregation factor: 5.04 Prefixes being announced from the LACNIC address blocks: 41128 Unique aggregates announced from the LACNIC address blocks: 20512 LACNIC Region origin ASes present in the Internet Routing Table: 1584 LACNIC Prefixes per ASN: 25.96 LACNIC Region origin ASes announcing only one prefix: 443 LACNIC Region transit ASes present in the Internet Routing Table: 294 Average LACNIC Region AS path length visible: 3.9 Max LACNIC Region AS path length visible: 18 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 101416960 Equivalent to 6 /8s, 11 /16s and 128 /24s Percentage of available LACNIC address space announced: 67.2
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: 9344 Total AfriNIC prefixes after maximum aggregation: 2178 AfriNIC Deaggregation factor: 4.29 Prefixes being announced from the AfriNIC address blocks: 7411 Unique aggregates announced from the AfriNIC address blocks: 2181 AfriNIC Region origin ASes present in the Internet Routing Table: 540 AfriNIC Prefixes per ASN: 13.72 AfriNIC Region origin ASes announcing only one prefix: 164 AfriNIC Region transit ASes present in the Internet Routing Table: 122 Average AfriNIC Region AS path length visible: 3.4 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: 31742720 Equivalent to 1 /8s, 228 /16s and 91 /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 1982 11104 732 Korea Telecom (KIX) 17974 1832 530 80 PT Telekomunikasi Indonesia 7545 1667 301 88 TPG Internet Pty Ltd 4755 1553 384 153 TATA Communications formerly 9829 1298 1085 28 National Internet Backbone 9583 1161 87 499 Sify Limited 7552 1126 1062 11 Vietel Corporation 24560 1026 385 167 Bharti Airtel Ltd., Telemedia 9498 964 291 63 BHARTI Airtel Ltd. 4808 951 1938 283 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 3412 3807 194 BellSouth.net Inc. 7029 3375 1016 171 Windstream Communications Inc 18566 2094 382 181 Covad Communications Co. 1785 1908 680 130 PaeTec Communications, Inc. 20115 1645 1569 619 Charter Communications 22773 1609 2911 121 Cox Communications Inc. 4323 1566 1058 383 tw telecom holdings, inc. 30036 1408 261 756 Mediacom Communications Corp 7018 1232 10064 829 AT&T Services, Inc. 7011 1188 317 681 Frontier Communications of Am
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 1652 544 16 Corbina telecom 2118 1312 97 14 EUnet/RELCOM Autonomous Syste 34984 698 188 172 BILISIM TELEKOM 12479 690 678 70 France Telecom Espana SA 31148 682 37 9 FreeNet ISP 6830 654 2215 425 UPC Broadband 20940 646 215 513 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 8551 506 364 61 Bezeq International 3320 489 8442 402 Deutsche Telekom AG
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 1920 340 201 Types of queries are: POCs, o 28573 1891 1180 57 Types of queries are: POCs, o 6503 1524 418 67 Axtel, S.A.B. de C.V. 7303 1435 901 191 Telecom Argentina S.A. 8151 1334 3020 326 Uninet S.A. de C.V. 26615 903 760 32 Tim Celular S.A. 11172 644 107 74 Alestra, S. de R.L. de C.V. 3816 588 247 89 Types of queries are: POCs, o 22047 583 326 15 Types of queries are: POCs, o 7738 551 1050 31 Telecomunicacoes da Bahia S.A
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 1367 958 13 TEDATA 24863 843 274 32 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 15706 165 32 6 Sudatel Internet Exchange Aut 16637 162 666 87 MTN Network Solutions 29571 157 15 16 Ci Telecom Autonomous system
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 3412 3807 194 BellSouth.net Inc. 7029 3375 1016 171 Windstream Communications Inc 18566 2094 382 181 Covad Communications Co. 4766 1982 11104 732 Korea Telecom (KIX) 10620 1920 340 201 Types of queries are: POCs, o 1785 1908 680 130 PaeTec Communications, Inc. 28573 1891 1180 57 Types of queries are: POCs, o 17974 1832 530 80 PT Telekomunikasi Indonesia 7545 1667 301 88 TPG Internet Pty Ltd 8402 1652 544 16 Corbina telecom
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 3375 3204 Windstream Communications Inc 18566 2094 1913 Covad Communications Co. 28573 1891 1834 Types of queries are: POCs, o 1785 1908 1778 PaeTec Communications, Inc. 17974 1832 1752 PT Telekomunikasi Indonesia 10620 1920 1719 Types of queries are: POCs, o 8402 1652 1636 Corbina telecom 7545 1667 1579 TPG Internet Pty Ltd 22773 1609 1488 Cox Communications Inc. 6503 1524 1457 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. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 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. 19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi 13317 UNALLOCATED 12.44.10.0/24 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 5.45.176.0/21 29141 Bradler & Krantz, Bochum, Ger 5.53.32.0/19 30783 Rased Maral Ava Jonoob JSC 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
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 /9:13 /10:30 /11:81 /12:236 /13:460 /14:831 /15:1501 /16:12245 /17:6267 /18:10523 /19:20679 /20:29333 /21:30566 /22:40135 /23:38124 /24:213271 /25:11 /26:21 /27:20 /28:154 /29:151 /30:79 /31:0 /32:142
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3016 3375 Windstream Communications Inc 6389 2130 3412 BellSouth.net Inc. 18566 2043 2094 Covad Communications Co. 10620 1734 1920 Types of queries are: POCs, o 8402 1630 1652 Corbina telecom 30036 1349 1408 Mediacom Communications Corp 6503 1278 1524 Axtel, S.A.B. de C.V. 8452 1169 1367 TEDATA 11492 1146 1182 CABLE ONE, INC. 7011 1073 1188 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:551 2:695 4:13 5:38 6:3 8:420 12:1965 13:1 14:612 15:12 16:3 17:5 20:23 23:171 24:1769 27:1312 31:1000 32:52 33:2 34:2 36:8 37:633 38:806 40:119 41:3234 42:139 44:3 46:1431 47:3 49:448 50:547 52:13 54:12 55:7 56:3 57:27 58:910 59:491 60:248 61:1113 62:1013 63:2004 64:4229 65:2245 66:4459 67:2004 68:1157 69:3181 70:932 71:493 72:1824 74:2598 75:494 76:329 77:942 78:981 79:492 80:1222 81:940 82:666 83:543 84:495 85:1204 86:445 87:909 88:346 89:1718 90:292 91:4860 92:549 93:1352 94:1558 95:1170 96:357 97:313 98:864 99:35 100:7 101:204 103:1078 106:104 107:185 108:294 109:1335 110:741 111:923 112:400 113:588 114:623 115:836 116:915 117:705 118:905 119:1203 120:347 121:677 122:1626 123:1102 124:1324 125:1258 128:517 129:189 130:240 131:628 132:281 133:22 134:238 135:62 136:213 137:238 138:359 139:184 140:469 141:251 142:396 143:549 144:533 145:72 146:498 147:284 148:751 149:305 150:185 151:175 152:466 153:172 154:11 155:419 156:219 157:278 158:184 159:483 160:340 161:241 162:342 163:180 164:597 165:401 166:592 167:468 168:859 169:125 170:876 171:132 172:2 173:1754 174:582 175:423 176:537 177:814 178:1382 180:1211 181:88 182:1017 183:227 184:498 185:1 186:2218 187:1098 188:1292 189:1805 190:5494 192:5966 193:5567 194:4525 195:3416 196:1191 197:148 198:3613 199:4623 200:5731 201:1922 202:8332 203:8490 204:4260 205:2504 206:2675 207:2732 208:4056 209:3604 210:2692 211:1516 212:2038 213:1934 214:844 215:95 216:5079 217:1553 218:536 219:308 220:1235 221:546 222:286 223:348
End of report
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