RIS Statistics Report (20070122-20070129) This report was generated at Mon Jan 29 00:15:01 UTC 2007. It analyses the BGP Routing Tables which are collected by RIS Remote Collectors at different locations around the world. Check http://www.ris.ripe.net/weekly-report/ for more info. o Prefix Distribution RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 APNIC 46869 46184 44891 12 46213 44692 44641 45955 45286 44302 45014 45067 45426 44722 43675 ARIN 82019 80460 80600 147 81028 79977 79991 80201 79744 79622 79792 80544 80048 79571 79081 LACNIC 13497 12066 11964 1215 12024 12134 12045 12063 11974 11963 11954 11990 11999 11956 12855 RIPE NCC 48526 43573 42467 1298 45451 41820 44219 41059 42538 41091 41655 42929 42556 41029 41039 AfriNIC 257 257 257 70 257 257 257 257 257 257 257 257 257 257 257 Old 40329 38610 37112 628 37938 38106 37253 37673 36779 36513 36800 38485 37628 37313 36679 IANA 24 22 23 0 22 22 22 22 22 22 23 23 23 23 22 RFC1918 17 1 1 0 10 0 1 0 1 0 0 0 4 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 231538 221173 217315 3370 222943 217008 218429 217230 216601 213770 215495 219295 217941 214871 213608 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 12282 12249 12173 213 12218 12195 12195 12185 12150 12131 12167 12244 12190 12116 12057 APNIC 2820 2808 2796 3 2810 2785 2784 2789 2782 2772 2781 2806 2775 2784 2739 RIPE NCC 9184 9132 9154 286 9161 9122 9125 9091 9136 9109 9119 9154 9144 9090 9044 LACNIC 280 280 272 44 277 277 276 276 273 270 273 275 276 270 259 AFRINIC 36 36 36 3 36 36 36 36 36 36 36 35 36 36 36 IANA 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Private 84 41 27 2 47 31 26 20 20 14 36 41 26 42 20 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24689 24549 24461 551 24552 24449 24445 24400 24400 24335 24415 24558 24450 24341 24158 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3646 4195 4089 129 4046 4851 5300 5947 5095 5469 4633 4362 4808 4680 5980 APNIC 758 879 932 3 911 1031 1171 1198 1040 1158 927 912 1032 1065 1245 RIPE NCC 2653 3078 2995 224 2929 3426 3570 4565 3492 3684 3304 3097 3313 3431 4311 LACNIC 111 126 122 30 120 147 143 164 138 142 137 127 141 140 146 AFRINIC 18 19 20 2 20 19 19 19 19 19 19 19 20 19 19 IANA 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Private 58 22 14 2 27 18 12 11 11 7 25 26 14 30 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7246 8321 8174 390 8055 9494 10217 11906 9797 10481 9047 8545 9330 9367 11714 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8636 8054 8084 84 8172 7344 6895 6238 7055 6662 7534 7882 7382 7436 6077 APNIC 2062 1929 1864 0 1899 1754 1613 1591 1742 1614 1854 1894 1743 1719 1494 RIPE NCC 6531 6054 6159 62 6232 5696 5555 4526 5644 5425 5815 6057 5831 5659 4733 LACNIC 169 154 150 14 157 130 133 112 135 128 136 148 135 130 113 AFRINIC 18 17 16 1 16 17 17 17 17 17 17 16 16 17 17 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 26 19 13 0 20 13 14 9 9 7 11 15 12 12 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17443 16228 16287 161 16497 14955 14228 12494 14603 13854 15368 16013 15120 14974 12444 IANA : AS64510 Number of 4-byte ASes: 0. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 20514 20530 20472 431 20518 20586 20573 20778 20574 20576 20510 20568 20589 20468 20559 Transit 4045 3896 3864 76 3916 3740 3751 3514 3704 3652 3781 3875 3748 3742 3484 Transit-only 141 130 129 44 124 126 126 110 126 109 128 122 117 140 118 Total 24700 24556 24465 551 24558 24452 24450 24402 24404 24337 24419 24565 24454 24350 24161 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.23 6.41 5.76 4.34 6.04 5.95 6.17 5.65 6.68 5.69 6.11 5.98 7.01 5.68 6.63 Std 2.61 2.54 2.52 3.02 2.63 2.53 2.54 2.34 2.95 2.37 2.63 2.65 2.51 2.60 2.40 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/11 8675 10.2.0.0/16 25232 10.20.90.0/24 23352 10.66.66.2/32 24587 10.142.0.0/24 24587 10.240.0.0/13 8675 10.248.0.0/13 8675 10.250.250.0/24 23352 172.16.0.0/30 25232 172.26.202.232/32 8434 192.0.2.0/24 2854 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 192.168.254.0/24 5606 192.168.255.0/24 8675 o List of hot-spots during the week. Prefix Origin AS Number of updates 12.170.126.0/24 33188 584802 64.201.12.0/24 33188 583306 62.24.238.0/24 13285 444635 204.94.124.0/24 4755 375645 12.106.30.0/24 22072 294148 216.254.155.0/24 6432 281076 192.96.13.0/24 16637 211163 192.96.14.0/24 16637 209089 194.42.208.0/20 705 182685 222.127.32.0/19 4775 152757 Total number of RIS BGP peering sessions: 591