RIS Statistics Report (20040510-20040517) This report was generated at Mon May 17 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 rrc11 APNIC 26586 26476 25551 20252 25938 20711 24954 26094 19888 16789 23685 24819 ARIN 58684 57941 56752 28890 58175 32787 52713 57900 35079 35276 54782 56992 LACNIC 5708 5706 5674 4017 5696 4525 5533 5702 4408 3399 5482 5682 RIPE NCC 32113 25257 22832 17433 31096 16189 21507 22547 18459 12859 21664 22263 OLD 30559 30310 28763 16454 30173 18515 27717 29551 17655 19812 27969 28381 IANA 459 456 452 358 456 288 437 448 298 196 407 447 RFC1918 8 0 0 0 7 0 0 0 2 2 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 154117 146146 140024 87404 151541 93015 132861 142242 95789 88333 133989 138584 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 rrc11 ARIN 9984 9970 9861 6365 9951 6899 9167 9874 7665 7487 9689 9825 APNIC 2024 2024 1993 1696 2017 1808 1963 2003 1680 1510 1953 1953 RIPE NCC 5493 5474 5464 4670 5479 4599 5148 5425 4670 3774 5376 5384 LACNIC 50 50 46 37 49 37 49 49 37 29 45 46 IANA 1 1 1 1 1 1 1 1 1 1 0 1 Private 68 63 8 8 17 50 55 8 6 47 1 5 Others 1 0 0 1 0 0 0 0 0 0 0 0 Total 17621 17582 17373 12778 17514 13394 16383 17360 14059 12848 17064 17214 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 ARIN 2888 3066 4243 2968 3124 3073 4242 5435 3496 5281 5812 4897 APNIC 520 578 724 675 596 824 700 1093 698 815 1247 992 RIPE NCC 1421 1698 1953 1972 1545 2140 1969 3059 1949 2385 3869 2695 LACNIC 23 23 27 22 26 20 27 33 22 20 32 28 IANA 1 1 1 1 1 1 1 1 1 1 0 1 Private 63 60 5 6 14 49 51 6 4 46 0 3 Others 1 0 0 1 0 0 0 0 0 0 0 0 Total 4917 5426 6953 5645 5306 6107 6990 9627 6170 8548 10960 8616 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 ARIN 7096 6904 5618 3397 6827 3826 4925 4439 4169 2206 3877 4928 APNIC 1504 1446 1269 1021 1421 984 1263 910 982 695 706 961 RIPE NCC 4072 3776 3511 2698 3934 2459 3179 2366 2721 1389 1507 2689 LACNIC 27 27 19 15 23 17 22 16 15 9 13 18 IANA 0 0 0 0 0 0 0 0 0 0 0 0 Private 5 3 3 2 3 1 4 2 2 1 1 2 Others 0 0 0 0 0 0 0 0 0 0 0 0 Total 12704 12156 10420 7133 12208 7287 9393 7733 7889 4300 6104 8598 IANA : AS65535 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 Leaf 14548 14596 14553 10329 14514 10847 13571 14773 11562 11026 14718 14585 Transit 2964 2878 2719 2086 2894 2281 2651 2493 2170 1660 2279 2527 Transit-only 109 108 101 363 106 266 161 94 327 162 67 102 Total 17621 17582 17373 12778 17514 13394 16383 17360 14059 12848 17064 17214 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 rrc11 Avg 6.05 5.89 5.61 5.97 6.02 6.33 6.36 6.12 6.73 5.16 5.35 6.09 Std 2.61 2.36 2.58 2.55 2.62 2.45 3.20 2.28 2.53 2.47 2.02 2.29 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 3292 10.196.18.0/24 3292 172.16.0.0/12 297 192.0.2.0/24 297 192.168.0.0/16 297 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.152.0/22 20738 192.168.191.128/25 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 209.182.81.0/24 0 319478 62.253.128.0/17 0 124791 62.255.0.0/17 0 124686 194.126.42.0/24 0 123302 62.253.0.0/17 0 118236 62.252.128.0/17 0 117413 62.252.0.0/17 0 117413 82.108.0.0/14 0 116722 62.254.128.0/17 0 110204 80.1.0.0/16 0 110202 Total number of RIS BGP peering sessions: 379