RIS Statistics Report (20070108-20070115) This report was generated at Mon Jan 15 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 48725 48147 47297 1 47660 46208 40780 23238 41728 38738 46493 47526 46762 46026 41794 ARIN 78140 77129 76552 220 77081 76218 57100 27194 42754 51407 76116 77404 75795 76232 64412 LACNIC 13359 12316 12223 982 12276 12287 10682 6836 9831 8592 12264 12246 12255 12252 10958 RIPE NCC 47330 41481 41700 855 42488 41107 40401 21899 36293 34488 42877 43547 42585 40654 35682 AfriNIC 250 249 249 69 249 249 247 178 232 243 250 249 249 249 213 Old 40821 38530 36959 486 37532 38112 28934 14637 23337 24515 37630 39138 37009 37100 30312 IANA 60 6 6 0 5 59 4 1 4 2 6 60 58 6 4 RFC1918 18 3 0 0 11 3 0 0 0 0 3 6 5 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 228703 217861 214986 2613 217302 214243 178148 93983 154179 157985 215639 220176 214718 212519 183375 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 12255 12230 12153 183 12206 12200 10235 6135 9004 9502 12144 12220 12142 12210 10687 APNIC 2806 2799 2782 2 2794 2776 2602 1627 2557 2437 2778 2797 2761 2790 2624 RIPE NCC 9113 9067 9082 234 9087 9048 8810 5788 8240 8090 9062 9071 9068 9048 8225 LACNIC 279 278 271 39 276 276 268 165 236 208 271 276 275 275 232 AFRINIC 32 32 32 2 32 32 32 27 31 31 32 32 32 32 29 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 112 52 26 1 49 29 29 20 31 17 36 45 29 72 23 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24599 24460 24348 461 24446 24363 21977 13763 20100 20287 24325 24443 24309 24429 21822 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3504 4042 4074 107 4061 5297 4699 2967 4230 5314 4233 4354 5235 4707 5677 APNIC 750 823 896 2 891 1030 1005 702 984 1239 941 910 1015 1040 1244 RIPE NCC 2717 3107 2987 184 2982 3664 3507 2599 3267 3920 3350 3059 3384 3650 3986 LACNIC 115 131 120 27 122 152 137 101 129 122 138 130 137 150 127 AFRINIC 15 15 17 0 16 17 17 13 17 16 16 17 16 16 14 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 82 28 10 1 25 9 10 7 15 5 17 25 12 58 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7183 8146 8104 321 8097 10169 9375 6389 8642 10616 8695 8495 9799 9621 11056 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8751 8188 8079 76 8145 6903 5536 3168 4774 4188 7911 7866 6907 7503 5010 APNIC 2056 1976 1886 0 1903 1746 1597 925 1573 1198 1837 1887 1746 1750 1380 RIPE NCC 6396 5960 6095 50 6105 5384 5303 3189 4973 4170 5712 6012 5684 5398 4239 LACNIC 164 147 151 12 154 124 131 64 107 86 133 146 138 125 105 AFRINIC 17 17 15 2 16 15 15 14 14 15 16 15 16 16 15 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 30 24 16 0 24 20 19 13 16 12 19 20 17 14 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17416 16314 16244 140 16349 14194 12602 7374 11458 9671 15630 15948 14510 14808 10766 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 20463 20462 20391 361 20466 20555 18236 10903 16577 16879 20459 20486 20519 20604 18424 Transit 4014 3884 3833 67 3865 3702 3522 2072 3146 3102 3747 3847 3669 3722 3157 Transit-only 133 122 131 33 124 115 228 793 382 312 125 118 126 113 246 Total 24610 24468 24355 461 24455 24372 21986 13768 20105 20293 24331 24451 24314 24439 21827 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.26 6.22 5.77 4.58 6.10 6.09 6.27 6.17 6.84 5.92 5.71 6.07 7.21 5.46 6.78 Std 2.95 2.81 2.74 3.27 2.99 2.91 3.19 2.54 3.16 2.49 2.61 3.14 3.27 2.57 2.36 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 16215 10.1.0.0/16 23148 10.1.3.0/24 23148 10.2.0.0/16 25232 10.20.90.0/24 23352 10.250.250.0/24 23352 172.16.0.0/12 16215 172.16.8.0/24 25232 192.0.2.0/24 2854 192.168.0.0/24 23148 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.96.0/19 32767 192.168.191.0/24 5417 192.168.192.0/18 32767 o List of hot-spots during the week. Prefix Origin AS Number of updates 72.21.64.0/20 25957 734765 206.81.80.0/20 25957 733674 12.170.126.0/24 33188 613260 64.201.12.0/24 33188 610970 72.21.128.0/20 25957 420239 62.24.238.0/24 13285 414124 204.94.124.0/24 4755 282238 194.42.208.0/20 705 222802 192.96.14.0/24 16637 205995 192.96.13.0/24 16637 205845 Total number of RIS BGP peering sessions: 601