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Routing Table Report 08:00 +10GMT Sat 11 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 390833 Prefixes after maximum aggregation: 167527 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 192311 Total ASes present in the Internet Routing Table: 37989 Prefixes per ASN: 10.29 Origin-only ASes present in the Internet Routing Table: 32725 Origin ASes announcing only one prefix: 15548 Transit ASes present in the Internet Routing Table: 5264 Transit-only ASes present in the Internet Routing Table: 132 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1064 Unregistered ASNs in the Routing Table: 185 Number of 32-bit ASNs allocated by the RIRs: 2272 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4675 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 139 Number of addresses announced to Internet: 2531798784 Equivalent to 150 /8s, 232 /16s and 47 /24s Percentage of available address space announced: 68.3 Percentage of allocated address space announced: 68.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.0 Total number of prefixes smaller than registry allocations: 164675
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 92413 Total APNIC prefixes after maximum aggregation: 30216 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 89717 Unique aggregates announced from the APNIC address blocks: 39224 APNIC Region origin ASes present in the Internet Routing Table: 4595 APNIC Prefixes per ASN: 19.52 APNIC Region origin ASes announcing only one prefix: 1253 APNIC Region transit ASes present in the Internet Routing Table: 706 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 635658496 Equivalent to 37 /8s, 227 /16s and 97 /24s Percentage of available APNIC address space announced: 80.6
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: 146925 Total ARIN prefixes after maximum aggregation: 74836 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119142 Unique aggregates announced from the ARIN address blocks: 49394 ARIN Region origin ASes present in the Internet Routing Table: 14844 ARIN Prefixes per ASN: 8.03 ARIN Region origin ASes announcing only one prefix: 5690 ARIN Region transit ASes present in the Internet Routing Table: 1497 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 804480512 Equivalent to 47 /8s, 243 /16s and 102 /24s Percentage of available ARIN address space announced: 63.9
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: 99149 Total RIPE prefixes after maximum aggregation: 52343 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 90946 Unique aggregates announced from the RIPE address blocks: 56086 RIPE Region origin ASes present in the Internet Routing Table: 16304 RIPE Prefixes per ASN: 5.58 RIPE Region origin ASes announcing only one prefix: 8005 RIPE Region transit ASes present in the Internet Routing Table: 2589 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 500607232 Equivalent to 29 /8s, 214 /16s and 169 /24s Percentage of available RIPE address space announced: 80.6
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: 37981 Total LACNIC prefixes after maximum aggregation: 7968 LACNIC Deaggregation factor: 4.77 Prefixes being announced from the LACNIC address blocks: 37745 Unique aggregates announced from the LACNIC address blocks: 19507 LACNIC Region origin ASes present in the Internet Routing Table: 1562 LACNIC Prefixes per ASN: 24.16 LACNIC Region origin ASes announcing only one prefix: 442 LACNIC Region transit ASes present in the Internet Routing Table: 282 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: 96539904 Equivalent to 5 /8s, 193 /16s and 21 /24s Percentage of available LACNIC address space announced: 63.9
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: 8990 Total AfriNIC prefixes after maximum aggregation: 2086 AfriNIC Deaggregation factor: 4.31 Prefixes being announced from the AfriNIC address blocks: 7028 Unique aggregates announced from the AfriNIC address blocks: 2143 AfriNIC Region origin ASes present in the Internet Routing Table: 507 AfriNIC Prefixes per ASN: 13.86 AfriNIC Region origin ASes announcing only one prefix: 158 AfriNIC Region transit ASes present in the Internet Routing Table: 117 Average AfriNIC Region AS path length visible: 3.3 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: 30886400 Equivalent to 1 /8s, 215 /16s and 74 /24s Percentage of available AfriNIC address space announced: 46.0
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 1912 11097 670 Korea Telecom (KIX) 17974 1668 503 36 PT Telekomunikasi Indonesia 7545 1640 303 86 TPG Internet Pty Ltd 4755 1518 385 158 TATA Communications formerly 9829 1172 989 28 National Internet Backbone 9583 1124 83 482 Sify Limited 7552 1079 1062 11 Vietel Corporation 24560 1013 385 167 Bharti Airtel Ltd., Telemedia 4808 978 1946 275 CNCGROUP IP network China169 18101 952 131 156 Reliance Infocom Ltd Internet
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 3442 3807 202 BellSouth.net Inc. 7029 3423 1040 172 Windstream Communications Inc 18566 2094 382 177 Covad Communications Co. 1785 1870 680 124 PaeTec Communications, Inc. 20115 1624 1550 631 Charter Communications 4323 1609 1078 385 tw telecom holdings, inc. 22773 1510 2910 109 Cox Communications Inc. 19262 1385 4687 396 Verizon Online LLC 30036 1383 243 750 Mediacom Communications Corp 7018 1315 7028 856 AT&T Services, 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 1610 480 15 Corbina telecom 2118 1385 97 13 EUnet/RELCOM Autonomous Syste 15557 1095 2161 63 NEUF CEGETEL (formerly LDCOM 34984 649 188 171 BILISIM TELEKOM 6830 644 1927 413 UPC Broadband 20940 602 195 472 Akamai Technologies European 12479 580 642 53 France Telecom Espana SA 8551 576 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s 31148 538 37 9 FreeNet ISP
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 1751 324 162 Types of queries are: POCs, o 28573 1653 1085 69 Types of queries are: POCs, o 8151 1334 2984 336 Uninet S.A. de C.V. 7303 1263 758 182 Telecom Argentina S.A. 26615 897 672 33 Tim Celular S.A. 11172 696 111 76 Alestra, S. de R.L. de C.V. 27947 632 67 105 Telconet S.A 22047 581 322 17 Types of queries are: POCs, o 3816 552 238 91 Types of queries are: POCs, o 7738 550 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 1235 958 13 TEDATA 24863 826 155 40 LINKdotNET AS number 6713 485 649 18 Itissalat Al-MAGHRIB 3741 278 939 229 The Internet Solution 15706 238 32 6 Sudatel Internet Exchange Aut 33776 236 13 14 Starcomms Nigeria Limited 12258 197 28 62 Vodacom Internet Company 24835 193 80 8 RAYA Telecom - Egypt 29571 189 17 11 Ci Telecom Autonomous system 16637 160 664 85 MTN Network Solutions
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 3442 3807 202 BellSouth.net Inc. 7029 3423 1040 172 Windstream Communications Inc 18566 2094 382 177 Covad Communications Co. 4766 1912 11097 670 Korea Telecom (KIX) 1785 1870 680 124 PaeTec Communications, Inc. 10620 1751 324 162 Types of queries are: POCs, o 17974 1668 503 36 PT Telekomunikasi Indonesia 28573 1653 1085 69 Types of queries are: POCs, o 7545 1640 303 86 TPG Internet Pty Ltd 20115 1624 1550 631 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 3423 3251 Windstream Communications Inc 18566 2094 1917 Covad Communications Co. 1785 1870 1746 PaeTec Communications, Inc. 17974 1668 1632 PT Telekomunikasi Indonesia 8402 1610 1595 Corbina telecom 10620 1751 1589 Types of queries are: POCs, o 28573 1653 1584 Types of queries are: POCs, o 7545 1640 1554 TPG Internet Pty Ltd 22773 1510 1401 Cox Communications Inc. 2118 1385 1372 EUnet/RELCOM Autonomous Syste
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 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 37.98.200.0/21 56687 Nimad Rah Khoozestan PLC 37.98.208.0/20 8374 Polkomtel S.A.
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 /10:27 /11:80 /12:232 /13:458 /14:814 /15:1466 /16:12072 /17:6181 /18:10246 /19:20479 /20:28115 /21:28883 /22:39331 /23:36694 /24:205189 /25:11 /26:20 /27:20 /28:150 /29:135 /30:65 /31:0 /32:133
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3062 3423 Windstream Communications Inc 6389 2111 3442 BellSouth.net Inc. 18566 2043 2094 Covad Communications Co. 10620 1645 1751 Types of queries are: POCs, o 8402 1589 1610 Corbina telecom 30036 1342 1383 Mediacom Communications Corp 11492 1118 1155 CABLE ONE, INC. 1785 1065 1870 PaeTec Communications, Inc. 15557 1045 1095 NEUF CEGETEL (formerly LDCOM 8452 1041 1235 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:503 2:600 4:13 5:1 6:3 8:384 12:1956 13:1 14:591 15:11 16:3 17:7 20:9 23:133 24:1720 27:1191 31:945 32:60 33:2 34:2 36:9 37:177 38:770 40:115 41:3180 42:93 44:3 46:1281 47:3 49:322 50:513 52:13 54:2 55:9 56:3 57:37 58:913 59:480 60:341 61:1090 62:950 63:2003 64:4106 65:2283 66:4414 67:2038 68:1175 69:3153 70:926 71:412 72:1794 74:2628 75:463 76:322 77:973 78:936 79:499 80:1227 81:882 82:574 83:528 84:581 85:1155 86:749 87:920 88:334 89:1551 90:271 91:4480 92:538 93:1330 94:1358 95:1074 96:413 97:310 98:815 99:38 100:4 101:141 103:767 106:64 107:152 108:150 109:1485 110:690 111:845 112:418 113:528 114:598 115:745 116:853 117:708 118:868 119:1240 120:360 121:648 122:1584 123:1070 124:1301 125:1320 128:509 129:180 130:209 131:587 132:163 133:21 134:221 135:60 136:208 137:150 138:286 139:144 140:462 141:261 142:371 143:405 144:516 145:70 146:478 147:242 148:707 149:273 150:158 151:196 152:445 153:170 154:6 155:418 156:208 157:336 158:156 159:443 160:321 161:226 162:338 163:177 164:525 165:392 166:555 167:457 168:757 169:146 170:831 171:111 172:2 173:1727 174:603 175:416 176:516 177:471 178:1251 180:1174 181:65 182:704 183:277 184:424 185:1 186:2049 187:846 188:1032 189:1166 190:5454 192:5932 193:5520 194:4324 195:3391 196:1275 197:181 198:3570 199:4337 200:5616 201:1733 202:8224 203:8534 204:4268 205:2413 206:2644 207:2732 208:4055 209:3539 210:2659 211:1448 212:2052 213:1842 214:860 215:91 216:4973 217:1478 218:534 219:335 220:1220 221:542 222:298 223:265
End of report
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