RIS Statistics Report (20050110-20050117) This report was generated at Mon Jan 17 00:15:02 UTC 2005. 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 APNIC 30713 30394 28209 202 28768 25357 28461 28838 28194 27760 17930 28436 ARIN 66103 65167 62099 380 62662 60353 62586 60975 62057 61012 25145 62116 LACNIC 6771 6755 6734 626 6756 6107 6770 6734 6734 6717 3431 6743 RIPE NCC 29072 27632 25810 6689 28457 22051 25853 25057 23834 23144 19419 25838 OLD 39371 38707 32003 1026 33042 31173 32893 32361 31358 31145 14245 32074 IANA 2861 2775 2699 435 2857 2518 2687 2603 2635 2459 1743 2691 RFC1918 6 0 0 0 6 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 174897 171430 157554 9358 162548 147559 159250 156568 154812 152237 81913 157898 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 ARIN 10601 10582 10496 314 10537 10424 10575 10478 10457 10453 5592 10502 APNIC 2163 2152 2136 26 2160 1987 2143 2128 2123 2128 1574 2140 RIPE NCC 6258 6220 6225 2545 6241 5691 6224 6181 5799 5720 5394 6230 LACNIC 92 91 87 11 90 88 92 90 87 88 50 87 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 32 23 22 1 27 17 24 9 21 11 10 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 19146 19068 18966 2897 19055 18207 19058 18886 18487 18400 12620 18981 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3118 3441 4369 206 3571 4802 4122 6601 4623 5441 2645 4059 APNIC 588 759 793 20 664 918 757 1272 828 1131 830 768 RIPE NCC 1746 2194 2322 1605 1920 2436 2352 3971 2283 2527 2784 2240 LACNIC 47 47 48 10 46 52 49 64 47 53 31 47 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 25 19 17 0 22 13 18 6 16 8 7 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5524 6460 7549 1841 6223 8221 7298 11914 7797 9160 6297 7130 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7483 7141 6127 108 6966 5622 6453 3877 5834 5012 2947 6443 APNIC 1575 1393 1343 6 1496 1069 1386 856 1295 997 744 1372 RIPE NCC 4512 4026 3903 940 4321 3255 3872 2210 3516 3193 2610 3990 LACNIC 45 44 39 1 44 36 43 26 40 35 19 40 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 7 4 5 1 5 4 6 3 5 3 3 6 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 13622 12608 11417 1056 12832 9986 11760 6972 10690 9240 6323 11851 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15838 15911 15896 2193 15855 15312 15928 16240 15549 15511 10155 15871 Transit 3186 3035 2957 495 3085 2731 3020 2565 2794 2750 2117 2994 Transit-only 122 122 113 209 115 164 110 81 144 139 348 116 Total 19146 19068 18966 2897 19055 18207 19058 18886 18487 18400 12620 18981 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.21 6.10 5.96 5.07 6.26 6.18 5.94 5.81 6.41 6.00 6.17 6.16 Std 2.72 2.63 2.69 2.57 2.75 2.86 2.62 2.24 2.64 2.50 2.58 2.78 o List of martians appearing throughout the week. Prefix Origin AS 10.9.9.9/32 6453 172.20.20.1/32 25137 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.159.0/24 2706 537164 202.64.40.0/24 2706 464083 202.64.111.0/24 2706 400062 202.64.49.0/24 2706 272461 216.243.234.0/23 10970 268512 193.73.62.0/24 6730 262976 137.100.142.0/24 209 257155 209.246.156.0/22 11178 252294 209.114.254.0/24 14359 249442 217.79.16.0/21 30852 148241 Total number of RIS BGP peering sessions: 451