RIS Statistics Report (20030902-20030908) This report was generated at Mon Sep 8 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 21626 21463 17277 16110 20922 17760 20801 16255 20825 12967 ARIN 57083 56992 29255 25221 55430 37363 54581 49422 55340 22397 LACNIC 4983 4983 3579 3579 4931 4303 4981 4419 4982 2826 RIPE NCC 35483 19993 16289 14893 35162 15254 19687 15421 19991 11907 OLD 29371 29097 15837 13200 28820 23516 28632 23037 28789 12273 IANA 2 1 0 1 2 0 0 0 0 0 RFC1918 4 0 0 0 2 0 0 0 0 2 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 148552 132529 82237 73004 145269 98196 128682 108554 129927 62372 Distribution of AS numbers wrt RIR and single-homed/multihomed. o RIR summary RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 9376 9347 6321 5407 9331 7592 9338 8560 9335 5076 APNIC 1865 1843 1718 1532 1857 1598 1851 1491 1840 1369 RIPE NCC 4793 4769 4262 3992 4788 3945 4777 4170 4767 3464 LACNIC 24 24 20 18 24 22 24 22 24 20 IANA 0 0 0 0 0 0 0 0 0 0 Private 12 8 6 4 10 4 8 5 6 3 Others 1 0 0 0 1 0 0 0 0 0 Total 16071 15991 12327 10953 16011 13161 15998 14248 15972 9932 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2862 3021 2589 2436 3217 3302 3937 5016 3588 2114 APNIC 536 556 768 706 628 794 789 688 678 557 RIPE NCC 1310 1513 1689 1826 1526 1784 1863 2287 1723 1432 LACNIC 8 9 9 8 9 10 12 9 12 8 IANA 0 0 0 0 0 0 0 0 0 0 Private 9 5 4 2 7 3 6 4 4 2 Others 1 0 0 0 1 0 0 0 0 0 Total 4726 5104 5059 4978 5388 5893 6607 8004 6005 4113 o Number of multi-home ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6514 6326 3732 2971 6114 4290 5401 3544 5747 2962 APNIC 1329 1287 950 826 1229 804 1062 803 1162 812 RIPE NCC 3483 3256 2573 2166 3262 2161 2914 1883 3044 2032 LACNIC 16 15 11 10 15 12 12 13 12 12 IANA 0 0 0 0 0 0 0 0 0 0 Private 3 3 2 2 3 1 2 1 2 1 Others 0 0 0 0 0 0 0 0 0 0 Total 11345 10887 7268 5975 10623 7268 9391 6244 9967 5819 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13270 13319 9944 8806 13329 10872 13401 12029 13400 7819 Transit 2703 2578 2097 1779 2588 2030 2509 1965 2481 1653 Transit-only 98 94 286 368 94 259 88 254 91 460 Total 16071 15991 12327 10953 16011 13161 15998 14248 15972 9932 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 6.14 5.97 6.09 5.84 6.25 6.18 6.29 6.19 5.99 5.85 Std 2.72 2.40 2.89 2.45 2.93 2.31 3.26 2.24 2.32 2.46 o List of martians appeared during the week. Prefix Origin AS 172.16.0.0/12 297 192.168.0.0/24 297 o List of hot-spots during the week. Prefix Origin AS Number of updates 208.22.122.0/24 2050 202229 199.127.30.0/24 14846 110902 209.17.234.0/24 14846 85568 199.127.26.0/24 14846 84240 161.110.0.0/16 6883 81208 207.114.168.0/24 13932 75043 65.199.150.0/23 30202 73792 192.58.248.0/24 1295 70625 202.38.166.0/23 9808 66060 199.127.29.0/24 14846 65469 Number of sessions involving data collection: 340