RIS Statistics Report (20030812-20030818) This report was generated at Mon Aug 18 00:15:01 UTC 2003. 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 APNIC 22029 21875 21201 14135 21409 20676 16646 21789 19751 16009 ARIN 57475 56438 55018 31723 55963 55930 37187 57232 53356 32219 LACNIC 5616 5615 4984 3366 5431 5614 4761 5613 5510 3084 RIPE NCC 35594 19600 19505 11931 35031 19210 14029 19429 18014 11383 OLD 30290 30011 27683 16965 29148 29223 21034 29471 27893 18727 IANA 5 5 1 0 2 0 0 0 1 0 RFC1918 5 2 1 0 2 2 0 0 1 0 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 151014 133546 128393 78120 146986 130655 93657 133534 124526 81422 Distribution of AS numbers wrt RIR and single-homed/multihomed. o RIR summary RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 9363 9316 9250 6700 9315 9289 7562 9260 9108 6756 APNIC 1846 1830 1826 1506 1838 1808 1647 1823 1758 1548 RIPE NCC 4751 4727 4730 3384 4739 4709 3688 4712 4375 3250 LACNIC 25 25 23 16 25 25 21 25 24 19 IANA 0 0 0 0 0 0 0 0 0 0 Private 94 92 7 5 35 83 87 77 84 16 Others 1 0 0 0 1 0 0 0 0 0 Total 16080 15990 15836 11611 15953 15914 13005 15897 15349 11589 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2751 2919 3218 2687 3015 4659 2571 4802 3565 2508 APNIC 557 616 720 664 613 947 618 894 748 720 RIPE NCC 1322 1527 1799 1310 1625 2522 1261 2562 1795 1325 LACNIC 10 11 9 5 10 12 9 13 11 6 IANA 0 0 0 0 0 0 0 0 0 0 Private 88 86 4 3 32 77 81 75 80 13 Others 1 0 0 0 1 0 0 0 0 0 Total 4729 5159 5750 4669 5296 8217 4540 8346 6199 4572 o Number of multi-home ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6612 6397 6032 4013 6300 4630 4991 4458 5543 4248 APNIC 1289 1214 1106 842 1225 861 1029 929 1010 828 RIPE NCC 3429 3200 2931 2074 3114 2187 2427 2150 2580 1925 LACNIC 15 14 14 11 15 13 12 12 13 13 IANA 0 0 0 0 0 0 0 0 0 0 Private 6 6 3 2 3 6 6 2 4 3 Others 0 0 0 0 0 0 0 0 0 0 Total 11351 10831 10086 6942 10657 7697 8465 7551 9150 7017 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13280 13328 13235 9424 13274 13472 10567 13500 12817 9388 Transit 2705 2574 2511 1777 2591 2361 2094 2319 2392 1811 Transit-only 95 88 90 410 88 81 344 78 140 390 Total 16080 15990 15836 11611 15953 15914 13005 15897 15349 11589 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 6.14 5.89 5.79 5.66 6.19 6.00 6.41 6.08 6.37 5.67 Std 2.74 2.35 2.63 2.33 2.91 2.21 3.46 2.15 2.35 2.38 o List of martians appeared during the week. Prefix Origin AS 10.0.3.248/30 8905 10.77.66.0/24 6461 172.16.0.0/24 8548 192.168.0.0/16 1237 o List of hot-spots during the week. Prefix Origin AS Number of updates 208.22.122.0/24 2050 199378 63.143.120.0/24 5696 154425 198.199.244.0/24 19619 94203 198.199.245.0/24 19619 93667 192.70.184.0/24 1239 55821 212.104.76.0/22 15571 50730 192.88.215.0/24 1295 46589 192.88.214.0/24 1295 46581 192.82.141.0/24 1295 46572 192.58.248.0/24 1295 46571 Number of sessions involving data collection: 299