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Routing Table Report 08:00 +10GMT Wed 22 Feb, 2012
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 391807 Prefixes after maximum aggregation: 167834 Deaggregation factor: 2.33 Unique aggregates announced to Internet: 192518 Total ASes present in the Internet Routing Table: 38020 Prefixes per ASN: 10.31 Origin-only ASes present in the Internet Routing Table: 32739 Origin ASes announcing only one prefix: 15532 Transit ASes present in the Internet Routing Table: 5281 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: 24 Max AS path prepend of ASN (36992) 22 Prefixes from unregistered ASNs in the Routing Table: 1128 Unregistered ASNs in the Routing Table: 192 Number of 32-bit ASNs allocated by the RIRs: 2286 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 4783 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 257 Number of addresses announced to Internet: 2534450176 Equivalent to 151 /8s, 16 /16s and 164 /24s Percentage of available address space announced: 68.4 Percentage of allocated address space announced: 68.4 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: 165066
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 92641 Total APNIC prefixes after maximum aggregation: 30343 APNIC Deaggregation factor: 3.05 Prefixes being announced from the APNIC address blocks: 89949 Unique aggregates announced from the APNIC address blocks: 39192 APNIC Region origin ASes present in the Internet Routing Table: 4605 APNIC Prefixes per ASN: 19.53 APNIC Region origin ASes announcing only one prefix: 1251 APNIC Region transit ASes present in the Internet Routing Table: 704 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: 635913216 Equivalent to 37 /8s, 231 /16s and 68 /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: 147220 Total ARIN prefixes after maximum aggregation: 74875 ARIN Deaggregation factor: 1.97 Prefixes being announced from the ARIN address blocks: 119357 Unique aggregates announced from the ARIN address blocks: 49506 ARIN Region origin ASes present in the Internet Routing Table: 14834 ARIN Prefixes per ASN: 8.05 ARIN Region origin ASes announcing only one prefix: 5655 ARIN Region transit ASes present in the Internet Routing Table: 1504 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: 805312000 Equivalent to 48 /8s, 0 /16s and 22 /24s Percentage of available ARIN address space announced: 64.0
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: 99708 Total RIPE prefixes after maximum aggregation: 52470 RIPE Deaggregation factor: 1.90 Prefixes being announced from the RIPE address blocks: 91380 Unique aggregates announced from the RIPE address blocks: 56135 RIPE Region origin ASes present in the Internet Routing Table: 16319 RIPE Prefixes per ASN: 5.60 RIPE Region origin ASes announcing only one prefix: 8019 RIPE Region transit ASes present in the Internet Routing Table: 2598 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 501091584 Equivalent to 29 /8s, 222 /16s and 13 /24s Percentage of available RIPE address space announced: 80.7
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: 37836 Total LACNIC prefixes after maximum aggregation: 7981 LACNIC Deaggregation factor: 4.74 Prefixes being announced from the LACNIC address blocks: 37656 Unique aggregates announced from the LACNIC address blocks: 19460 LACNIC Region origin ASes present in the Internet Routing Table: 1563 LACNIC Prefixes per ASN: 24.09 LACNIC Region origin ASes announcing only one prefix: 445 LACNIC Region transit ASes present in the Internet Routing Table: 287 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 22 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 96628992 Equivalent to 5 /8s, 194 /16s and 113 /24s Percentage of available LACNIC address space announced: 64.0
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: 8895 Total AfriNIC prefixes after maximum aggregation: 2074 AfriNIC Deaggregation factor: 4.29 Prefixes being announced from the AfriNIC address blocks: 6925 Unique aggregates announced from the AfriNIC address blocks: 2060 AfriNIC Region origin ASes present in the Internet Routing Table: 514 AfriNIC Prefixes per ASN: 13.47 AfriNIC Region origin ASes announcing only one prefix: 162 AfriNIC Region transit ASes present in the Internet Routing Table: 119 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: 31422208 Equivalent to 1 /8s, 223 /16s and 119 /24s Percentage of available AfriNIC address space announced: 46.8
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 1923 11104 677 Korea Telecom (KIX) 17974 1655 503 36 PT Telekomunikasi Indonesia 7545 1638 303 84 TPG Internet Pty Ltd 4755 1540 386 158 TATA Communications formerly 9829 1179 997 29 National Internet Backbone 9583 1126 84 483 Sify Limited 7552 1103 1062 11 Vietel Corporation 24560 1018 385 167 Bharti Airtel Ltd., Telemedia 4808 977 1946 278 CNCGROUP IP network China169 18101 951 131 156 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 3442 1040 172 Windstream Communications Inc 6389 3439 3807 202 BellSouth.net Inc. 18566 2092 382 177 Covad Communications Co. 1785 1874 680 125 PaeTec Communications, Inc. 20115 1627 1550 630 Charter Communications 4323 1605 1059 380 tw telecom holdings, inc. 22773 1528 2910 110 Cox Communications Inc. 30036 1406 251 746 Mediacom Communications Corp 19262 1387 4703 397 Verizon Online LLC 7018 1314 7012 854 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 1634 480 15 Corbina telecom 2118 1398 97 13 EUnet/RELCOM Autonomous Syste 15557 1099 2184 60 NEUF CEGETEL (formerly LDCOM 34984 656 188 171 BILISIM TELEKOM 6830 644 1927 413 UPC Broadband 20940 610 197 474 Akamai Technologies European 12479 604 644 55 France Telecom Espana SA 8551 566 360 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 1746 323 171 Types of queries are: POCs, o 28573 1640 1085 65 Types of queries are: POCs, o 8151 1338 2990 344 Uninet S.A. de C.V. 7303 1264 758 183 Telecom Argentina S.A. 26615 817 660 33 Tim Celular S.A. 27947 638 67 108 Telconet S.A 11172 634 107 74 Alestra, S. de R.L. de C.V. 22047 581 322 17 Types of queries are: POCs, o 3816 555 238 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 1229 958 13 TEDATA 24863 831 274 34 LINKdotNET AS number 6713 489 649 18 Itissalat Al-MAGHRIB 3741 277 923 228 The Internet Solution 33776 242 13 8 Starcomms Nigeria Limited 15706 226 32 6 Sudatel Internet Exchange Aut 29571 214 17 12 Ci Telecom Autonomous system 12258 197 28 62 Vodacom Internet Company 24835 194 80 8 RAYA Telecom - Egypt 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 7029 3442 1040 172 Windstream Communications Inc 6389 3439 3807 202 BellSouth.net Inc. 18566 2092 382 177 Covad Communications Co. 4766 1923 11104 677 Korea Telecom (KIX) 1785 1874 680 125 PaeTec Communications, Inc. 10620 1746 323 171 Types of queries are: POCs, o 17974 1655 503 36 PT Telekomunikasi Indonesia 28573 1640 1085 65 Types of queries are: POCs, o 7545 1638 303 84 TPG Internet Pty Ltd 8402 1634 480 15 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 6389 3439 3237 BellSouth.net Inc. 18566 2092 1915 Covad Communications Co. 1785 1874 1749 PaeTec Communications, Inc. 17974 1655 1619 PT Telekomunikasi Indonesia 8402 1634 1619 Corbina telecom 10620 1746 1575 Types of queries are: POCs, o 28573 1640 1575 Types of queries are: POCs, o 7545 1638 1554 TPG Internet Pty Ltd 22773 1528 1418 Cox Communications Inc. 2118 1398 1385 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 23.27.0.0/16 18779 Guru.com 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 /10:27 /11:80 /12:232 /13:459 /14:809 /15:1467 /16:12099 /17:6189 /18:10315 /19:20483 /20:28202 /21:28943 /22:39376 /23:36763 /24:205783 /25:11 /26:21 /27:20 /28:152 /29:138 /30:67 /31:0 /32:139
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 7029 3081 3442 Windstream Communications Inc 6389 2108 3439 BellSouth.net Inc. 18566 2041 2092 Covad Communications Co. 10620 1643 1746 Types of queries are: POCs, o 8402 1613 1634 Corbina telecom 30036 1357 1406 Mediacom Communications Corp 11492 1119 1156 CABLE ONE, INC. 1785 1063 1874 PaeTec Communications, Inc. 15557 1046 1099 NEUF CEGETEL (formerly LDCOM 8452 1039 1229 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:465 2:623 4:14 6:3 8:385 12:1960 13:1 14:599 15:11 16:3 17:7 20:8 23:136 24:1728 27:1191 31:947 32:60 33:2 34:2 36:9 37:187 38:774 40:115 41:3085 42:96 44:3 46:1317 47:3 49:332 50:505 52:13 54:2 55:8 56:3 57:35 58:920 59:484 60:341 61:1088 62:967 63:2001 64:4097 65:2280 66:4445 67:2042 68:1173 69:3163 70:904 71:407 72:1790 74:2655 75:468 76:320 77:973 78:965 79:506 80:1220 81:876 82:628 83:526 84:583 85:1144 86:734 87:914 88:334 89:1562 90:282 91:4488 92:513 93:1354 94:1385 95:1098 96:414 97:313 98:819 99:38 100:4 101:141 103:805 106:64 107:159 108:169 109:1536 110:699 111:850 112:429 113:529 114:603 115:757 116:857 117:702 118:900 119:1244 120:362 121:655 122:1584 123:1076 124:1302 125:1319 128:504 129:182 130:211 131:577 132:155 133:21 134:224 135:62 136:213 137:179 138:287 139:143 140:457 141:262 142:376 143:395 144:512 145:69 146:479 147:237 148:712 149:300 150:156 151:198 152:445 153:171 154:6 155:415 156:210 157:337 158:161 159:439 160:321 161:228 162:340 163:177 164:527 165:392 166:558 167:457 168:758 169:146 170:838 171:114 172:4 173:1716 174:588 175:422 176:504 177:496 178:1279 180:1181 181:68 182:719 183:280 184:430 185:1 186:1959 187:853 188:1080 189:1179 190:5441 192:5941 193:5541 194:4343 195:3391 196:1265 197:167 198:3559 199:4363 200:5604 201:1731 202:8195 203:8546 204:4285 205:2420 206:2658 207:2723 208:4063 209:3530 210:2692 211:1447 212:2034 213:1843 214:852 215:91 216:5023 217:1503 218:535 219:335 220:1220 221:545 222:297 223:298
End of report
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