RIS Statistics Report (20030909-20030915) This report was generated at Mon Sep 15 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 22015 21929 20767 13041 21380 13266 21435 10261 17066 10416 ARIN 61687 55441 53959 29731 60240 19569 55020 19004 41685 20423 LACNIC 5057 5056 4979 3245 5000 2884 4988 2530 3748 2683 RIPE NCC 35140 19786 19776 13185 34833 13178 19575 10892 14910 11341 OLD 29782 29479 27429 15924 28941 14144 28441 11409 20087 10302 IANA 4 4 3 3 3 3 3 3 3 3 RFC1918 3 0 0 3 3 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 153688 131695 126913 75132 150400 63044 129462 54099 97499 55168 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 9392 9355 9293 6387 9338 5030 9328 4642 7929 5112 APNIC 1863 1843 1838 1356 1856 1398 1845 1008 1688 1111 RIPE NCC 4809 4784 4789 3707 4799 3891 4793 3261 4010 3370 LACNIC 25 25 23 15 25 16 25 16 22 21 IANA 0 0 0 0 0 0 0 0 0 0 Private 19 13 12 5 17 12 11 9 11 3 Others 0 0 0 0 0 0 0 0 0 0 Total 16108 16020 15955 11470 16035 10347 16002 8936 13660 9617 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2863 3142 3619 3060 3396 2098 4337 2054 3342 2109 APNIC 612 643 781 668 740 608 830 444 671 467 RIPE NCC 1321 1519 1951 1545 1620 1883 2032 1415 1503 1347 LACNIC 11 13 12 8 13 9 15 8 14 13 IANA 0 0 0 0 0 0 0 0 0 0 Private 11 8 5 1 10 9 5 5 8 2 Others 0 0 0 0 0 0 0 0 0 0 Total 4818 5325 6368 5282 5779 4607 7219 3926 5538 3938 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6529 6213 5674 3327 5942 2932 4991 2588 4587 3003 APNIC 1251 1200 1057 688 1116 790 1015 564 1017 644 RIPE NCC 3488 3265 2838 2162 3179 2008 2761 1846 2507 2023 LACNIC 14 12 11 7 12 7 10 8 8 8 IANA 0 0 0 0 0 0 0 0 0 0 Private 8 5 7 4 7 3 6 4 3 1 Others 0 0 0 0 0 0 0 0 0 0 Total 11290 10695 9587 6188 10256 5740 8783 5010 8122 5679 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13279 13334 13362 9304 13359 8168 13387 6948 11212 7535 Transit 2729 2591 2489 1779 2576 1770 2517 1471 2180 1583 Transit-only 100 95 104 387 100 409 98 517 268 499 Total 16108 16020 15955 11470 16035 10347 16002 8936 13660 9617 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 6.36 5.96 6.04 5.70 6.55 6.24 6.92 6.48 6.22 5.78 Std 3.39 2.39 3.49 2.37 3.87 2.38 4.45 2.24 2.38 2.49 o List of martians appearing throughout the week. Prefix Origin AS 192.0.2.0/24 6762 192.168.2.132/30 2200 192.168.10.0/24 1716 192.168.12.0/24 1716 o List of hot-spots during the week. Prefix Origin AS Number of updates 207.191.56.0/24 4519 94150 207.191.47.0/24 4519 93087 208.22.122.0/24 2050 88812 202.38.166.0/23 9808 85775 65.125.220.0/23 3908 56124 65.214.226.0/24 26873 34626 205.136.140.0/24 19029 34084 66.250.191.0/24 6059 33980 66.250.190.0/24 6059 33978 144.226.0.0/19 2050 29948 Total number of RIS BGP peering sessions: 320