RIS Statistics Report (20030923-20030929) This report was generated at Mon Sep 29 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 21986 21954 20988 20419 21051 16104 20878 8830 20955 12624 ARIN 57137 57121 54951 53242 54871 52855 55543 18773 55137 20276 LACNIC 4994 4994 4921 4882 4942 4564 4987 2675 4988 3198 RIPE NCC 35932 20202 20182 19557 34666 13155 19986 10563 19767 11443 OLD 29449 29272 27466 26957 28160 24697 28136 9768 27906 11267 IANA 4 3 1 1 2 0 1 0 1 0 RFC1918 2 0 1 0 1 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 149504 133546 128510 125058 143693 111375 129531 50609 128754 58808 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 ARIN 9436 9398 9334 9235 9316 9071 9359 4196 9331 4865 APNIC 1874 1857 1858 1823 1858 1495 1851 1039 1836 1353 RIPE NCC 4832 4806 4817 4768 4681 3619 4821 3142 4796 3416 LACNIC 29 29 28 27 28 28 28 18 28 21 IANA 1 1 1 1 1 1 1 1 1 0 Private 23 15 14 8 17 8 15 8 13 5 Others 0 0 0 0 0 0 0 0 0 0 Total 16195 16106 16052 15862 15901 14222 16075 8404 16005 9660 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2872 3032 3652 6047 3328 4840 4058 1822 3656 2065 APNIC 535 564 702 1094 651 718 844 433 709 584 RIPE NCC 1310 1572 1647 2624 1690 1589 1762 1319 1762 1324 LACNIC 16 17 16 16 15 17 17 8 17 9 IANA 0 0 0 0 0 0 0 0 0 0 Private 17 11 9 6 11 6 11 5 10 4 Others 0 0 0 0 0 0 0 0 0 0 Total 4750 5196 6026 9787 5695 7170 6692 3587 6154 3986 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6564 6366 5682 3188 5988 4231 5301 2374 5675 2800 APNIC 1339 1293 1156 729 1207 777 1007 606 1127 769 RIPE NCC 3522 3234 3170 2144 2991 2030 3059 1823 3034 2092 LACNIC 13 12 12 11 13 11 11 10 11 12 IANA 1 1 1 1 1 1 1 1 1 0 Private 6 4 5 2 6 2 4 3 3 1 Others 0 0 0 0 0 0 0 0 0 0 Total 11445 10910 10026 6075 10206 7052 9383 4817 9851 5674 IANA : AS64014 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13398 13447 13461 13583 13256 11917 13468 6488 13424 7590 Transit 2701 2571 2496 2200 2519 2076 2509 1410 2481 1611 Transit-only 96 88 95 79 126 229 98 506 100 459 Total 16195 16106 16052 15862 15901 14222 16075 8404 16005 9660 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 6.13 5.89 5.67 5.32 6.37 6.09 6.20 6.50 6.04 5.84 Std 2.63 2.32 2.61 2.30 2.87 2.25 2.90 2.24 2.29 2.46 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 8548 192.168.2.132/30 2200 Total number of RIS BGP peering sessions: 354