RIS Statistics Report (20031104-20031110) This report was generated at Mon Nov 10 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 22752 22742 21911 21662 21996 21625 21895 22354 21837 21496 ARIN 58424 58279 57454 57185 57868 56513 57726 58023 56606 55521 LACNIC 5241 5240 5146 5098 5187 5209 5209 5239 5239 5136 RIPE NCC 36902 21753 21234 20594 36417 20420 20813 20580 21217 20209 OLD 30145 29541 28342 27686 29482 28831 29306 28932 29245 28366 IANA 5 4 3 3 4 3 3 3 3 1 RFC1918 66 3 4 3 63 3 0 0 3 0 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 153535 137562 134094 132231 151017 132604 134952 135131 134150 130729 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 9510 9485 9407 9365 9472 9449 9476 9411 9473 9417 APNIC 1920 1906 1907 1878 1914 1885 1904 1898 1899 1873 RIPE NCC 4975 4951 4956 4932 4966 4927 4953 4925 4938 4919 LACNIC 38 38 37 37 38 38 38 38 38 36 IANA 1 1 0 0 0 1 0 0 1 0 Private 22 14 14 11 18 10 19 7 10 7 Others 1 1 1 1 1 1 1 1 1 0 Total 16467 16396 16322 16224 16409 16311 16391 16280 16360 16252 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2868 3139 3923 5194 3358 5139 3811 5766 3493 5083 APNIC 551 591 743 925 663 1013 706 1066 693 882 RIPE NCC 1379 1692 1785 2326 1590 2586 1815 2817 1789 2621 LACNIC 17 19 19 22 19 23 20 23 20 19 IANA 1 1 0 0 0 1 0 0 1 0 Private 8 5 4 3 7 4 7 2 5 5 Others 1 1 1 1 1 1 1 1 1 0 Total 4825 5448 6475 8471 5638 8767 6360 9675 6002 8610 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6642 6346 5484 4171 6114 4310 5665 3645 5980 4334 APNIC 1369 1315 1164 953 1251 872 1198 832 1206 991 RIPE NCC 3596 3259 3171 2606 3376 2341 3138 2108 3149 2298 LACNIC 21 19 18 15 19 15 18 15 18 17 IANA 0 0 0 0 0 0 0 0 0 0 Private 14 9 10 8 11 6 12 5 5 2 Others 0 0 0 0 0 0 0 0 0 0 Total 11642 10948 9847 7753 10771 7544 10031 6605 10358 7642 IANA : AS65535 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13609 13686 13684 13790 13659 13857 13716 13892 13728 13802 Transit 2745 2606 2540 2347 2643 2360 2577 2301 2536 2367 Transit-only 113 104 98 87 107 94 98 87 96 83 Total 16467 16396 16322 16224 16409 16311 16391 16280 16360 16252 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 5.91 5.85 5.56 5.49 5.94 6.02 5.84 6.04 5.93 5.29 Std 2.29 2.29 2.37 2.32 2.29 2.41 2.30 2.10 2.25 2.28 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 12626 10.127.32.0/24 25186 10.129.113.0/24 25186 10.129.131.0/24 25186 172.16.0.0/24 8548 172.16.1.0/24 24587 172.16.2.0/24 24587 172.20.0.0/16 12626 192.0.2.1/32 3301 192.168.2.132/30 2200 o List of hot-spots during the week. Prefix Origin AS Number of updates 210.16.105.0/24 4759 178878 209.32.168.0/21 14367 93556 202.79.53.0/24 17501 93274 207.191.56.0/24 4519 82397 207.191.47.0/24 4519 82384 205.136.140.0/24 19029 53512 208.251.117.0/24 25909 43796 66.227.90.0/24 19579 43515 202.28.47.0/24 4621 38188 202.28.46.0/24 4621 38184 Total number of RIS BGP peering sessions: 313