RIS Statistics Report (20040210-20040216) This report was generated at Mon Feb 16 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 rrc08 rrc10 APNIC 23851 23743 23231 16880 23546 19791 23054 10168 20126 16345 22730 ARIN 56607 56575 55831 23661 56357 54518 55531 15816 51552 34215 54766 LACNIC 5233 5232 5205 2655 5224 4545 5228 2283 4571 3412 5205 RIPE NCC 34407 21745 21708 11600 33923 16551 21468 10028 15751 15007 21082 OLD 29965 29662 28281 11319 29343 27058 29259 9444 24664 17300 28047 IANA 57 55 56 36 55 45 55 25 44 47 6 RFC1918 3 1 1 0 1 1 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 150123 137013 134313 66151 148449 122509 134595 47764 116708 86326 131836 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 9701 9692 9577 5408 9632 9490 9641 4635 9086 6940 9497 APNIC 1959 1958 1944 1723 1951 1789 1940 1027 1817 1526 1925 RIPE NCC 5169 5155 5157 3652 5161 4594 5150 3203 4260 4172 5126 LACNIC 44 43 41 27 44 41 44 28 41 30 40 IANA 0 0 0 0 0 0 0 0 0 0 0 Private 32 30 7 5 12 25 26 5 24 23 3 Others 1 1 1 1 1 1 1 1 1 1 0 Total 16906 16879 16727 10816 16801 15940 16802 8899 15229 12692 16591 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 2892 3134 3849 2134 3862 4655 4936 1875 3924 2981 5894 APNIC 572 617 707 690 646 836 703 427 692 614 1092 RIPE NCC 1476 1845 1799 1441 1782 2430 2517 1324 1692 1653 2909 LACNIC 22 23 24 19 27 25 27 17 26 19 27 IANA 0 0 0 0 0 0 0 0 0 0 0 Private 27 27 5 3 9 23 22 3 22 21 1 Others 0 0 0 0 0 1 0 1 1 0 0 Total 4989 5646 6384 4287 6326 7970 8205 3647 6357 5288 9923 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6809 6558 5728 3274 5770 4835 4705 2760 5162 3959 3603 APNIC 1387 1341 1237 1033 1305 953 1237 600 1125 912 833 RIPE NCC 3693 3310 3358 2211 3379 2164 2633 1879 2568 2519 2217 LACNIC 22 20 17 8 17 16 17 11 15 11 13 IANA 0 0 0 0 0 0 0 0 0 0 0 Private 5 3 2 2 3 2 4 2 2 2 2 Others 1 1 1 1 1 0 1 0 0 1 0 Total 11917 11233 10343 6529 10475 7970 8597 5252 8872 7404 6668 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 14041 14102 14073 8565 14079 13452 14174 6858 12694 10284 14173 Transit 2766 2683 2565 1762 2632 2319 2539 1438 2321 2068 2340 Transit-only 99 94 89 489 90 169 89 603 214 340 78 Total 16906 16879 16727 10816 16801 15940 16802 8899 15229 12692 16591 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 6.05 5.93 5.74 5.93 6.23 6.00 5.85 6.48 6.09 5.83 5.70 Std 2.37 2.37 2.29 2.43 2.43 2.23 2.37 2.27 2.30 2.38 2.32 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 8548 o List of hot-spots during the week. Prefix Origin AS Number of updates 209.182.81.0/24 19071 494732 69.19.219.0/24 19864 183385 82.108.0.0/14 4589 123191 207.191.56.0/24 4519 103732 207.191.47.0/24 4519 103730 66.231.160.0/20 11992 78614 81.17.160.0/20 20435 58959 64.215.128.0/20 20435 58925 81.17.168.0/21 20435 58878 203.192.188.0/23 20435 57682 Total number of RIS BGP peering sessions: 343