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Routing Table Report 08:00 +10GMT Fri 20 Sep, 2013
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 463021 Prefixes after maximum aggregation: 187125 Deaggregation factor: 2.47 Unique aggregates announced to Internet: 232232 Total ASes present in the Internet Routing Table: 40966 Prefixes per ASN: 11.30 Origin-only ASes present in the Internet Routing Table: 35190 Origin ASes announcing only one prefix: 16319 Transit ASes present in the Internet Routing Table: 5769 Transit-only ASes present in the Internet Routing Table: 142 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN ( 36992) 22 Prefixes from unregistered ASNs in the Routing Table: 270642 Unregistered ASNs in the Routing Table: 21165 Number of 32-bit ASNs allocated by the RIRs: 5054 Number of 32-bit ASNs visible in the Routing Table: 7 Prefixes from 32-bit ASNs in the Routing Table: 12200 Special use prefixes present in the Routing Table: 11 Prefixes being announced from unallocated address space: 503 Number of addresses announced to Internet: 2664562688 Equivalent to 158 /8s, 210 /16s and 0 /24s Percentage of available address space announced: 72.0 Percentage of allocated address space announced: 72.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 95.0 Total number of prefixes smaller than registry allocations: 161574
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 107079 Total APNIC prefixes after maximum aggregation: 32888 APNIC Deaggregation factor: 3.26 Prefixes being announced from the APNIC address blocks: 109714 Unique aggregates announced from the APNIC address blocks: 46599 APNIC Region origin ASes present in the Internet Routing Table: 4836 APNIC Prefixes per ASN: 22.69 APNIC Region origin ASes announcing only one prefix: 1237 APNIC Region transit ASes present in the Internet Routing Table: 817 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 1 Number of APNIC addresses announced to Internet: 726990336 Equivalent to 43 /8s, 84 /16s and 254 /24s Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-63999, 131072-133631 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, 150/8, 153/8, 163/8, 171/8, 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: 161131 Total ARIN prefixes after maximum aggregation: 80922 ARIN Deaggregation factor: 1.99 Prefixes being announced from the ARIN address blocks: 161750 Unique aggregates announced from the ARIN address blocks: 75814 ARIN Region origin ASes present in the Internet Routing Table: 15840 ARIN Prefixes per ASN: 10.21 ARIN Region origin ASes announcing only one prefix: 6034 ARIN Region transit ASes present in the Internet Routing Table: 1599 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2 Number of ARIN addresses announced to Internet: 1071389184 Equivalent to 63 /8s, 220 /16s and 26 /24s Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 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: 119041 Total RIPE prefixes after maximum aggregation: 61101 RIPE Deaggregation factor: 1.95 Prefixes being announced from the RIPE address blocks: 122899 Unique aggregates announced from the RIPE address blocks: 79286 RIPE Region origin ASes present in the Internet Routing Table: 17423 RIPE Prefixes per ASN: 7.05 RIPE Region origin ASes announcing only one prefix: 8279 RIPE Region transit ASes present in the Internet Routing Table: 2785 Average RIPE Region AS path length visible: 3.5 Max RIPE Region AS path length visible: 24 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1 Number of RIPE addresses announced to Internet: 656999936 Equivalent to 39 /8s, 41 /16s and 6 /24s Percentage of available RIPE address space announced: 95.5
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 59392-61439, 61952-62463, 196608-200191 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, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 50999 Total LACNIC prefixes after maximum aggregation: 9611 LACNIC Deaggregation factor: 5.31 Prefixes being announced from the LACNIC address blocks: 55798 Unique aggregates announced from the LACNIC address blocks: 26143 LACNIC Region origin ASes present in the Internet Routing Table: 2008 LACNIC Prefixes per ASN: 27.79 LACNIC Region origin ASes announcing only one prefix: 573 LACNIC Region transit ASes present in the Internet Routing Table: 359 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2 Number of LACNIC addresses announced to Internet: 139040000 Equivalent to 8 /8s, 73 /16s and 149 /24s Percentage of available LACNIC address space announced: 82.9
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 262144-263679 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 11751 Total AfriNIC prefixes after maximum aggregation: 2530 AfriNIC Deaggregation factor: 4.64 Prefixes being announced from the AfriNIC address blocks: 12355 Unique aggregates announced from the AfriNIC address blocks: 3940 AfriNIC Region origin ASes present in the Internet Routing Table: 658 AfriNIC Prefixes per ASN: 18.78 AfriNIC Region origin ASes announcing only one prefix: 196 AfriNIC Region transit ASes present in the Internet Routing Table: 129 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: 1 Number of AfriNIC addresses announced to Internet: 46658560 Equivalent to 2 /8s, 199 /16s and 244 /24s Percentage of available AfriNIC address space announced: 46.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 17974 2676 903 91 >>UNKNOWN<< 4766 2120 11553 622 Korea Telecom 7545 2072 321 113 TPG Telecom Limited 4755 1802 403 192 TATA Communications formerly 9829 1550 1238 40 >>UNKNOWN<< 9583 1230 92 508 Sify Limited 9498 1189 309 72 BHARTI Airtel Ltd. 7552 1152 1080 13 >>UNKNOWN<< 24560 1089 380 164 >>UNKNOWN<< 4808 1073 2023 313 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 3067 3689 62 BellSouth.net Inc. 18566 2063 382 183 Covad Communications Co. 22773 2046 2933 125 >>UNKNOWN<< 1785 2013 679 125 >>UNKNOWN<< 20115 1679 1650 627 Charter Communications 4323 1613 1119 411 >>UNKNOWN<< 701 1530 11152 797 >>UNKNOWN<< 30036 1348 304 634 >>UNKNOWN<< 7018 1321 11277 837 >>UNKNOWN<< 22561 1234 386 201 >>UNKNOWN<<
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 1607 544 16 >>UNKNOWN<< 34984 1361 244 220 >>UNKNOWN<< 20940 1026 380 796 >>UNKNOWN<< 31148 987 43 17 >>UNKNOWN<< 6830 895 2367 427 >>UNKNOWN<< 13188 847 99 70 >>UNKNOWN<< 8551 760 370 41 Bezeqint Internet Backbone 12479 677 799 49 >>UNKNOWN<< 9116 553 326 34 >>UNKNOWN<< 35228 526 246 16 >>UNKNOWN<<
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 28573 3278 1728 91 >>UNKNOWN<< 10620 2573 420 250 >>UNKNOWN<< 7303 1712 1134 226 >>UNKNOWN<< 18881 1432 844 20 >>UNKNOWN<< 8151 1275 2781 391 >>UNKNOWN<< 11830 865 364 15 >>UNKNOWN<< 6503 818 434 65 Axtel, S.A.B. de C.V. 27947 809 94 95 Telconet S.A 7738 779 1498 36 >>UNKNOWN<< 6147 739 376 21 Telefonica del Peru S.A.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 36998 1864 112 5 MOBITEL 24863 876 274 30 >>UNKNOWN<< 6713 554 633 26 Itissalat Al-MAGHRIB 8452 425 956 9 >>UNKNOWN<< 24835 291 80 8 >>UNKNOWN<< 3741 258 921 216 >>UNKNOWN<< 29571 222 17 12 >>UNKNOWN<< 36992 222 501 28 >>UNKNOWN<< 15706 221 32 6 >>UNKNOWN<< 29975 191 667 21 >>UNKNOWN<<
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 28573 3278 1728 91 >>UNKNOWN<< 6389 3067 3689 62 BellSouth.net Inc. 17974 2676 903 91 >>UNKNOWN<< 10620 2573 420 250 >>UNKNOWN<< 4766 2120 11553 622 Korea Telecom 7545 2072 321 113 TPG Telecom Limited 18566 2063 382 183 Covad Communications Co. 22773 2046 2933 125 >>UNKNOWN<< 1785 2013 679 125 >>UNKNOWN<< 36998 1864 112 5 MOBITEL
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 3067 3005 BellSouth.net Inc. 17974 2676 2585 >>UNKNOWN<< 10620 2573 2323 >>UNKNOWN<< 7545 2072 1959 TPG Telecom Limited 22773 2046 1921 >>UNKNOWN<< 1785 2013 1888 >>UNKNOWN<< 18566 2063 1880 Covad Communications Co. 36998 1864 1859 MOBITEL 4755 1802 1610 TATA Communications formerly 8402 1607 1591 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 9772 UNALLOCATED 1.232.171.0/24 4766 Korea Telecom 2385 UNALLOCATED 1.232.172.0/24 4766 Korea Telecom 38413 UNALLOCATED 1.233.22.0/24 4766 Korea Telecom 4665 UNALLOCATED 1.233.206.0/24 9318 Hanaro Telecom Inc. 4665 UNALLOCATED 1.233.206.0/23 9318 Hanaro Telecom Inc. 4665 UNALLOCATED 1.233.207.0/24 18302 >>UNKNOWN<< 4665 UNALLOCATED 1.233.208.0/21 9318 Hanaro Telecom Inc. 4665 UNALLOCATED 1.233.208.0/20 9318 Hanaro Telecom Inc. 4665 UNALLOCATED 1.233.216.0/21 18302 >>UNKNOWN<< 4665 UNALLOCATED 1.233.224.0/22 9318 Hanaro Telecom 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 10.1.1.48/29 0 * 100.64.0.0/10 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.0.0/24 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 198.51.100.0/24 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 23.90.128.0/18 27418 >>UNKNOWN<< 23.90.192.0/18 36086 >>UNKNOWN<< 23.91.0.0/19 40676 >>UNKNOWN<< 23.91.32.0/19 36315 >>UNKNOWN<< 23.91.96.0/20 40676 >>UNKNOWN<< 23.91.112.0/21 32475 >>UNKNOWN<< 23.91.160.0/22 36493 FIBERNETICS CORPORATION 23.91.160.0/19 36493 FIBERNETICS CORPORATION 23.91.164.0/22 36493 FIBERNETICS CORPORATION 23.91.168.0/22 36493 FIBERNETICS CORPORATION
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 /8:17 /9:11 /10:32 /11:93 /12:251 /13:477 /14:913 /15:1625 /16:12773 /17:6724 /18:11091 /19:22963 /20:32556 /21:35038 /22:49203 /23:42541 /24:246066 /25:9 /26:11 /27:11 /28:130 /29:212 /30:137 /31:0 /32:137
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 2014 2063 Covad Communications Co. 36998 1829 1864 MOBITEL 6389 1712 3067 BellSouth.net Inc. 8402 1367 1607 >>UNKNOWN<< 22773 1332 2046 >>UNKNOWN<< 30036 1208 1348 >>UNKNOWN<< 11492 1187 1228 >>UNKNOWN<< 1785 1084 2013 >>UNKNOWN<< 6983 1025 1150 ITC^Deltacom 22561 958 1234 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:808 2:858 3:3 4:16 5:969 6:19 8:593 12:1897 13:3 14:843 15:11 16:3 17:12 18:19 20:21 23:405 24:1740 27:1573 31:1474 32:40 33:2 34:5 36:80 37:1837 38:902 39:3 40:179 41:3314 42:252 44:13 46:1997 47:7 49:671 50:809 52:12 54:39 55:7 57:29 58:1089 59:630 60:340 61:1476 62:1202 63:1985 64:4558 65:2356 66:4171 67:2084 68:1086 69:3294 70:865 71:494 72:2006 74:2549 75:330 76:303 77:1146 78:1009 79:621 80:1322 81:1030 82:641 83:580 84:582 85:1263 86:488 87:1050 88:554 89:1805 90:158 91:5712 92:604 93:1623 94:2021 95:1581 96:518 97:342 98:1041 99:40 100:30 101:359 103:3305 105:519 106:142 107:208 108:489 109:1886 110:958 111:1120 112:574 113:795 114:703 115:1035 116:959 117:797 118:1156 119:1263 120:349 121:852 122:1797 123:1254 124:1349 125:1425 128:544 129:301 130:309 131:664 132:339 133:161 134:534 135:67 136:271 137:264 138:347 139:177 140:179 141:302 142:538 143:405 144:498 145:100 146:505 147:487 148:671 149:351 150:152 151:585 152:412 153:195 154:46 155:483 156:273 157:371 158:285 159:675 160:351 161:425 162:701 163:208 164:625 165:566 166:259 167:611 168:1035 169:126 170:1086 171:193 172:25 173:1599 174:663 175:487 176:1200 177:2311 178:1896 179:139 180:1518 181:734 182:1260 183:462 184:630 185:859 186:2519 187:1461 188:1894 189:1317 190:7002 192:6878 193:5662 194:4057 195:3335 196:1341 197:1043 198:4626 199:5400 200:6005 201:2540 202:8807 203:8839 204:4451 205:2615 206:2753 207:2824 208:3998 209:3585 210:2854 211:1549 212:2305 213:2049 214:931 215:99 216:5285 217:1653 218:611 219:326 220:1274 221:559 222:324 223:497
End of report
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