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Routing Table Report 08:00 +10GMT Wed 14 Mar, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 394314 Prefixes after maximum aggregation: 168786 Deaggregation factor: 2.34 Unique aggregates announced to Internet: 192613 Total ASes present in the Internet Routing Table: 38134 Prefixes per ASN: 10.34 Origin-only ASes present in the Internet Routing Table: 32876 Origin ASes announcing only one prefix: 15516 Transit ASes present in the Internet Routing Table: 5258 Transit-only ASes present in the Internet Routing Table: 129 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: 1279 Unregistered ASNs in the Routing Table: 270 Number of 32-bit ASNs allocated by the RIRs: 2318 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4991 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 620 Number of addresses announced to Internet: 2544048640 Equivalent to 151 /8s, 163 /16s and 26 /24s Percentage of available address space announced: 68.6 Percentage of allocated address space announced: 68.6 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 165897
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 92912 Total APNIC prefixes after maximum aggregation: 30455 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 90306 Unique aggregates announced from the APNIC address blocks: 38334 APNIC Region origin ASes present in the Internet Routing Table: 4622 APNIC Prefixes per ASN: 19.54 APNIC Region origin ASes announcing only one prefix: 1258 APNIC Region transit ASes present in the Internet Routing Table: 701 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 640882688 Equivalent to 38 /8s, 51 /16s and 24 /24s Percentage of available APNIC address space announced: 81.3
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: 147521 Total ARIN prefixes after maximum aggregation: 75179 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 119413 Unique aggregates announced from the ARIN address blocks: 48750 ARIN Region origin ASes present in the Internet Routing Table: 14865 ARIN Prefixes per ASN: 8.03 ARIN Region origin ASes announcing only one prefix: 5654 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: 806561792 Equivalent to 48 /8s, 19 /16s and 40 /24s Percentage of available ARIN address space announced: 64.1
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: 101000 Total RIPE prefixes after maximum aggregation: 52895 RIPE Deaggregation factor: 1.91 Prefixes being announced from the RIPE address blocks: 92567 Unique aggregates announced from the RIPE address blocks: 56976 RIPE Region origin ASes present in the Internet Routing Table: 16342 RIPE Prefixes per ASN: 5.66 RIPE Region origin ASes announcing only one prefix: 7995 RIPE Region transit ASes present in the Internet Routing Table: 2576 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: 501794304 Equivalent to 29 /8s, 232 /16s and 198 /24s Percentage of available RIPE address space announced: 80.8
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: 38387 Total LACNIC prefixes after maximum aggregation: 8019 LACNIC Deaggregation factor: 4.79 Prefixes being announced from the LACNIC address blocks: 38304 Unique aggregates announced from the LACNIC address blocks: 19748 LACNIC Region origin ASes present in the Internet Routing Table: 1562 LACNIC Prefixes per ASN: 24.52 LACNIC Region origin ASes announcing only one prefix: 438 LACNIC Region transit ASes present in the Internet Routing Table: 275 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: 98145024 Equivalent to 5 /8s, 217 /16s and 147 /24s Percentage of available LACNIC address space announced: 65.0
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: 8612 Total AfriNIC prefixes after maximum aggregation: 2103 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 6719 Unique aggregates announced from the AfriNIC address blocks: 2167 AfriNIC Region origin ASes present in the Internet Routing Table: 518 AfriNIC Prefixes per ASN: 12.97 AfriNIC Region origin ASes announcing only one prefix: 171 AfriNIC Region transit ASes present in the Internet Routing Table: 116 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: 31536384 Equivalent to 1 /8s, 225 /16s and 53 /24s Percentage of available AfriNIC address space announced: 47.0
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 1931 11107 682 Korea Telecom (KIX) 17974 1661 503 36 PT Telekomunikasi Indonesia 7545 1646 303 88 TPG Internet Pty Ltd 4755 1554 386 162 TATA Communications formerly 9583 1202 91 509 Sify Limited 9829 1189 1001 30 National Internet Backbone 7552 1101 1062 11 Vietel Corporation 24560 1010 384 166 Bharti Airtel Ltd., Telemedia 4808 980 1946 280 CNCGROUP IP network China169 18101 950 131 156 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 7029 3449 1032 171 Windstream Communications Inc 6389 3405 3807 199 BellSouth.net Inc. 18566 2092 382 177 Covad Communications Co. 1785 1884 680 127 PaeTec Communications, Inc. 20115 1635 1555 634 Charter Communications 4323 1604 1075 384 tw telecom holdings, inc. 22773 1545 2910 111 Cox Communications Inc. 30036 1402 254 756 Mediacom Communications Corp 7018 1299 10049 861 AT&T Services, Inc. 2386 1163 493 860 AT&T Data Communications Serv
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 1696 544 16 Corbina telecom 2118 1421 97 13 EUnet/RELCOM Autonomous Syste 15557 1088 2184 60 NEUF CEGETEL (formerly LDCOM 34984 661 188 170 BILISIM TELEKOM 6830 640 1927 411 UPC Broadband 20940 629 205 489 Akamai Technologies European 12479 626 651 66 France Telecom Espana SA 9116 541 326 32 Goldenlines main autonomous s 31148 540 37 9 FreeNet ISP 3320 533 8442 399 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 1775 326 152 Types of queries are: POCs, o 28573 1717 1094 58 Types of queries are: POCs, o 8151 1344 2994 340 Uninet S.A. de C.V. 7303 1329 823 184 Telecom Argentina S.A. 26615 900 676 30 Tim Celular S.A. 27947 656 68 108 Telconet S.A 11172 636 107 73 Alestra, S. de R.L. de C.V. 22047 582 322 17 Types of queries are: POCs, o 3816 563 240 89 Types of queries are: POCs, o 6503 557 418 66 Axtel, S.A.B. de C.V.
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 744 274 34 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 271 923 228 The Internet Solution 15706 227 32 6 Sudatel Internet Exchange Aut 12258 197 28 62 Vodacom Internet Company 24835 183 80 8 RAYA Telecom - Egypt 36923 157 20 4 Swift Networks Limited 29571 156 15 16 Ci Telecom Autonomous system 33776 153 11 24 Starcomms Nigeria 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 7029 3449 1032 171 Windstream Communications Inc 6389 3405 3807 199 BellSouth.net Inc. 18566 2092 382 177 Covad Communications Co. 4766 1931 11107 682 Korea Telecom (KIX) 1785 1884 680 127 PaeTec Communications, Inc. 10620 1775 326 152 Types of queries are: POCs, o 28573 1717 1094 58 Types of queries are: POCs, o 8402 1696 544 16 Corbina telecom 17974 1661 503 36 PT Telekomunikasi Indonesia 7545 1646 303 88 TPG Internet Pty Ltd
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 6389 3405 3206 BellSouth.net Inc. 18566 2092 1915 Covad Communications Co. 1785 1884 1757 PaeTec Communications, Inc. 8402 1696 1680 Corbina telecom 28573 1717 1659 Types of queries are: POCs, o 17974 1661 1625 PT Telekomunikasi Indonesia 10620 1775 1623 Types of queries are: POCs, o 7545 1646 1558 TPG Internet Pty Ltd 22773 1545 1434 Cox Communications Inc. 2118 1421 1408 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 23.27.0.0/20 54500 EGIHosting 23.27.16.0/20 54500 EGIHosting
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 /10:28 /11:81 /12:236 /13:458 /14:817 /15:1478 /16:12144 /17:6214 /18:10360 /19:20470 /20:28440 /21:29158 /22:39428 /23:36879 /24:207535 /25:11 /26:21 /27:20 /28:153 /29:140 /30:69 /31:0 /32:142
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3088 3449 Windstream Communications Inc 6389 2102 3405 BellSouth.net Inc. 18566 2041 2092 Covad Communications Co. 8402 1674 1696 Corbina telecom 10620 1672 1775 Types of queries are: POCs, o 30036 1351 1402 Mediacom Communications Corp 11492 1125 1162 CABLE ONE, INC. 1785 1065 1884 PaeTec Communications, Inc. 8452 1048 1235 TEDATA 7011 1042 1156 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:522 2:708 4:14 6:3 8:392 12:1965 13:1 14:590 15:12 16:3 17:7 20:8 23:143 24:1748 27:1231 31:972 32:57 33:1 34:2 36:9 37:254 38:770 40:122 41:2991 42:127 44:3 46:1402 47:3 49:335 50:517 52:13 54:5 55:8 56:3 57:36 58:908 59:487 60:280 61:1079 62:979 63:2007 64:4130 65:2281 66:4481 67:2015 68:1159 69:3170 70:904 71:390 72:1799 74:2576 75:487 76:320 77:971 78:948 79:482 80:1203 81:891 82:637 83:540 84:607 85:1190 86:736 87:915 88:333 89:1563 90:286 91:4568 92:515 93:1391 94:1391 95:1100 96:368 97:316 98:803 99:38 100:5 101:146 103:874 106:63 107:176 108:196 109:1554 110:724 111:857 112:426 113:541 114:609 115:770 116:874 117:704 118:904 119:1223 120:329 121:663 122:1586 123:1084 124:1306 125:1325 128:502 129:183 130:258 131:575 132:137 133:21 134:226 135:63 136:210 137:182 138:275 139:144 140:461 141:235 142:371 143:411 144:494 145:69 146:484 147:241 148:703 149:299 150:151 151:176 152:447 153:171 154:6 155:444 156:209 157:337 158:162 159:447 160:328 161:227 162:341 163:176 164:527 165:395 166:564 167:463 168:803 169:147 170:846 171:121 172:4 173:1717 174:590 175:424 176:549 177:565 178:1286 180:1173 181:70 182:760 183:284 184:454 185:1 186:2108 187:843 188:1054 189:1201 190:5499 192:5941 193:5584 194:4554 195:3632 196:1259 197:168 198:3574 199:4409 200:5646 201:1766 202:8165 203:8591 204:4283 205:2432 206:2668 207:2723 208:4072 209:3579 210:2693 211:1438 212:1965 213:1867 214:868 215:100 216:5025 217:1523 218:524 219:334 220:1227 221:543 222:296 223:312
End of report
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