RIS Statistics Report (20041018-20041025) This report was generated at Mon Oct 25 00:15:01 UTC 2004. 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 30764 30448 24877 25449 27202 27040 27279 27672 26795 26632 11939 27073 ARIN 60724 60650 41092 56480 60041 60126 59907 60221 59482 59397 20879 59569 LACNIC 6452 6432 5508 6137 6417 6447 6434 6432 6410 6410 3357 6410 RIPE NCC 34957 30295 21407 19501 34412 24430 23218 24333 22884 24179 13067 24874 OLD 34521 32598 23228 28359 33572 31875 31262 31551 30402 30519 11547 30978 IANA 1893 1813 1519 1497 1843 1734 1726 1748 1693 1691 914 1771 RFC1918 8 2 0 0 6 2 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 169319 162238 117631 137423 163493 151654 149826 151957 147666 148828 61703 150675 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 10437 10415 8241 486 10366 10385 10362 10314 10281 10284 5260 10318 APNIC 2131 2121 1957 84 2118 2106 2106 2103 2086 2090 1159 2099 RIPE NCC 5991 5962 5534 2242 5976 5960 5668 5926 5593 5952 4260 5977 LACNIC 71 71 61 8 71 71 70 71 67 67 45 67 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 51 44 19 0 41 13 24 11 19 6 11 24 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 18681 18613 15812 2820 18572 18535 18230 18425 18046 18399 10735 18485 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 3019 3262 3653 306 3390 4021 3822 6337 4732 5275 2267 3949 APNIC 575 631 771 57 657 829 711 1164 1017 1054 483 762 RIPE NCC 1683 2004 2179 1324 1929 2446 1982 3525 2321 2763 1934 2195 LACNIC 28 30 29 8 33 38 34 40 33 35 26 33 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 40 37 14 0 35 12 17 11 14 5 10 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 5345 5964 6646 1695 6044 7346 6566 11077 8117 9132 4720 6956 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 ARIN 7418 7153 4588 180 6976 6364 6540 3977 5549 5009 2993 6369 APNIC 1556 1490 1186 27 1461 1277 1395 939 1069 1036 676 1337 RIPE NCC 4308 3958 3355 918 4047 3514 3686 2401 3272 3189 2326 3782 LACNIC 43 41 32 0 38 33 36 31 34 32 19 34 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 11 7 5 0 6 1 7 0 5 1 1 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 13336 12649 9166 1125 12528 11189 11664 7348 9929 9267 6015 11529 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Leaf 15443 15517 12982 2053 15442 15543 15162 15768 15198 15542 8449 15453 Transit 3123 2992 2591 440 3012 2890 2933 2573 2702 2755 1742 2922 Transit-only 115 104 239 327 118 102 135 84 146 102 544 110 Total 18681 18613 15812 2820 18572 18535 18230 18425 18046 18399 10735 18485 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 Avg 6.40 5.73 6.22 5.77 6.65 5.92 6.25 6.07 6.97 6.08 6.16 6.38 Std 2.96 2.50 2.93 3.05 3.03 2.59 2.83 2.40 3.35 2.63 2.56 2.93 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 8608 10.11.12.13/32 59 172.16.0.0/12 8608 192.168.0.0/16 8608 192.168.46.252/30 7497 o List of hot-spots during the week. Prefix Origin AS Number of updates 193.109.43.0/24 21086 411433 193.73.62.0/24 6730 338297 209.182.81.0/24 19071 290915 209.114.254.0/24 14359 257227 138.178.36.0/24 655 166332 138.178.37.0/24 655 152689 66.195.152.0/22 33045 133992 138.178.38.0/24 655 125086 205.245.252.0/22 33045 124972 167.1.119.0/24 15084 117173 Total number of RIS BGP peering sessions: 435