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Routing Table Report 08:00 +10GMT Thu 31 May, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 405085 Prefixes after maximum aggregation: 172324 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 200565 Total ASes present in the Internet Routing Table: 38602 Prefixes per ASN: 10.49 Origin-only ASes present in the Internet Routing Table: 33302 Origin ASes announcing only one prefix: 15692 Transit ASes present in the Internet Routing Table: 5300 Transit-only ASes present in the Internet Routing Table: 112 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: 1194 Unregistered ASNs in the Routing Table: 232 Number of 32-bit ASNs allocated by the RIRs: 2765 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 6123 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 118 Number of addresses announced to Internet: 2579247360 Equivalent to 153 /8s, 188 /16s and 49 /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: 171133
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 94868 Total APNIC prefixes after maximum aggregation: 30957 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 92366 Unique aggregates announced from the APNIC address blocks: 40048 APNIC Region origin ASes present in the Internet Routing Table: 4654 APNIC Prefixes per ASN: 19.85 APNIC Region origin ASes announcing only one prefix: 1274 APNIC Region transit ASes present in the Internet Routing Table: 714 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: 645421312 Equivalent to 38 /8s, 120 /16s and 89 /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: 150325 Total ARIN prefixes after maximum aggregation: 76465 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 120924 Unique aggregates announced from the ARIN address blocks: 51203 ARIN Region origin ASes present in the Internet Routing Table: 15082 ARIN Prefixes per ASN: 8.02 ARIN Region origin ASes announcing only one prefix: 5743 ARIN Region transit ASes present in the Internet Routing Table: 1520 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: 816627968 Equivalent to 48 /8s, 172 /16s and 193 /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: 102755 Total RIPE prefixes after maximum aggregation: 54510 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 94842 Unique aggregates announced from the RIPE address blocks: 59338 RIPE Region origin ASes present in the Internet Routing Table: 16591 RIPE Prefixes per ASN: 5.72 RIPE Region origin ASes announcing only one prefix: 8068 RIPE Region transit ASes present in the Internet Routing Table: 2591 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: 515046400 Equivalent to 30 /8s, 178 /16s and 252 /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: 41051 Total LACNIC prefixes after maximum aggregation: 8138 LACNIC Deaggregation factor: 5.04 Prefixes being announced from the LACNIC address blocks: 41394 Unique aggregates announced from the LACNIC address blocks: 20594 LACNIC Region origin ASes present in the Internet Routing Table: 1584 LACNIC Prefixes per ASN: 26.13 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 293 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: 101607424 Equivalent to 6 /8s, 14 /16s and 104 /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: 9108 Total AfriNIC prefixes after maximum aggregation: 2173 AfriNIC Deaggregation factor: 4.19 Prefixes being announced from the AfriNIC address blocks: 7179 Unique aggregates announced from the AfriNIC address blocks: 2194 AfriNIC Region origin ASes present in the Internet Routing Table: 542 AfriNIC Prefixes per ASN: 13.25 AfriNIC Region origin ASes announcing only one prefix: 165 AfriNIC Region transit ASes present in the Internet Routing Table: 120 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: 31821568 Equivalent to 1 /8s, 229 /16s and 143 /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 1982 11104 732 Korea Telecom (KIX) 17974 1837 530 80 PT Telekomunikasi Indonesia 7545 1664 301 87 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 3377 1016 171 Windstream Communications Inc 18566 2093 382 181 Covad Communications Co. 1785 1908 680 130 PaeTec Communications, Inc. 20115 1645 1569 619 Charter Communications 22773 1616 2911 121 Cox Communications Inc. 4323 1565 1058 383 tw telecom holdings, inc. 30036 1414 262 752 Mediacom Communications Corp 7018 1234 10064 831 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 1600 544 16 Corbina telecom 2118 1302 97 14 EUnet/RELCOM Autonomous Syste 34984 699 188 172 BILISIM TELEKOM 12479 692 679 71 France Telecom Espana SA 31148 683 37 9 FreeNet ISP 6830 653 2215 424 UPC Broadband 20940 647 215 513 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 8551 505 364 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 1896 1180 57 Types of queries are: POCs, o 6503 1524 418 67 Axtel, S.A.B. de C.V. 7303 1432 900 189 Telecom Argentina S.A. 8151 1337 3047 328 Uninet S.A. de C.V. 26615 902 760 32 Tim Celular S.A. 27947 667 73 94 Telconet S.A 11172 646 107 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
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 1151 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 3377 1016 171 Windstream Communications Inc 18566 2093 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 1896 1180 57 Types of queries are: POCs, o 17974 1837 530 80 PT Telekomunikasi Indonesia 7545 1664 301 87 TPG Internet Pty Ltd 20115 1645 1569 619 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 3377 3206 Windstream Communications Inc 18566 2093 1912 Covad Communications Co. 28573 1896 1839 Types of queries are: POCs, o 1785 1908 1778 PaeTec Communications, Inc. 17974 1837 1757 PT Telekomunikasi Indonesia 10620 1920 1719 Types of queries are: POCs, o 8402 1600 1584 Corbina telecom 7545 1664 1577 TPG Internet Pty Ltd 22773 1616 1495 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 5.53.120.0/21 51012 LLC "UralPromService" 5.56.16.0/21 33891 Core-Backbone GmbH 5.56.144.0/20 31027 nianet is a Danish carrier an 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
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 /17:6276 /18:10520 /19:20684 /20:29330 /21:30589 /22:40120 /23:38104 /24:213470 /25:11 /26:21 /27:20 /28:153 /29:151 /30:81 /31:0 /32:138
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3018 3377 Windstream Communications Inc 6389 2130 3412 BellSouth.net Inc. 18566 2042 2093 Covad Communications Co. 10620 1734 1920 Types of queries are: POCs, o 8402 1578 1600 Corbina telecom 30036 1355 1414 Mediacom Communications Corp 6503 1278 1524 Axtel, S.A.B. de C.V. 11492 1150 1187 CABLE ONE, INC. 7011 1073 1188 Frontier Communications of Am 1785 1066 1908 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:552 2:688 4:13 5:38 6:3 8:420 12:1981 13:1 14:607 15:12 16:3 17:5 20:23 23:172 24:1772 27:1313 31:1001 32:51 33:2 34:2 36:8 37:635 38:808 40:122 41:3052 42:138 44:3 46:1431 47:3 49:448 50:550 52:13 54:12 55:8 56:3 57:27 58:913 59:490 60:248 61:1113 62:993 63:2001 64:4237 65:2243 66:4452 67:1995 68:1155 69:3168 70:932 71:493 72:1822 74:2598 75:494 76:329 77:944 78:958 79:491 80:1220 81:939 82:668 83:544 84:495 85:1185 86:445 87:907 88:336 89:1717 90:291 91:4882 92:542 93:1341 94:1562 95:1153 96:357 97:313 98:865 99:35 100:7 101:204 103:1085 106:103 107:185 108:294 109:1339 110:740 111:920 112:404 113:589 114:627 115:834 116:915 117:707 118:914 119:1202 120:347 121:679 122:1627 123:1102 124:1328 125:1255 128:515 129:189 130:240 131:628 132:283 133:22 134:238 135:62 136:213 137:237 138:359 139:183 140:470 141:250 142:396 143:568 144:533 145:72 146:501 147:284 148:751 149:305 150:186 151:175 152:466 153:172 154:12 155:419 156:219 157:336 158:184 159:483 160:342 161:242 162:342 163:179 164:597 165:403 166:592 167:469 168:859 169:125 170:873 171:132 172:2 173:1757 174:583 175:424 176:547 177:809 178:1397 180:1215 181:88 182:1020 183:227 184:506 185:1 186:2309 187:1099 188:1297 189:1802 190:5537 192:5970 193:5570 194:4525 195:3412 196:1190 197:149 198:3616 199:4669 200:5790 201:1934 202:8336 203:8492 204:4264 205:2520 206:2684 207:2734 208:4055 209:3602 210:2691 211:1518 212:2030 213:1934 214:866 215:95 216:5094 217:1552 218:537 219:308 220:1234 221:548 222:286 223:346
End of report
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