RIS Statistics Report (20030916-20030922) This report was generated at Mon Sep 22 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 21749 21681 20667 11163 20945 13033 14101 10443 20822 11425 ARIN 56189 55257 53748 19746 54855 22747 29676 15613 54672 25665 LACNIC 4987 4987 4912 2927 4935 2780 3401 2521 4934 3273 RIPE NCC 36292 21102 21020 14192 36098 10562 16086 9864 21120 11386 OLD 30096 29366 27653 11699 29553 11931 16427 9865 28554 14073 IANA 5 4 4 4 5 3 3 3 4 4 RFC1918 6 0 0 1 4 0 0 0 0 2 OTHER 0 0 0 0 0 0 0 0 0 0 TOTAL 149324 132397 128004 59732 146395 61056 79694 48309 130106 65828 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 9399 9371 9306 5044 9367 5862 6772 4281 9337 5957 APNIC 1869 1853 1840 1210 1860 1412 1405 1219 1853 1209 RIPE NCC 4825 4802 4809 3964 4822 3219 3738 3031 4799 3466 LACNIC 27 27 26 20 27 18 20 20 27 21 IANA 1 1 1 1 1 1 1 1 1 1 Private 13 8 7 4 9 5 7 5 6 3 Others 0 0 0 0 0 0 0 0 0 0 Total 16134 16062 15989 10243 16086 10517 11943 8557 16023 10657 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 2820 2990 3734 2043 3175 2421 2581 1752 3622 2790 APNIC 560 593 783 532 653 552 553 587 704 460 RIPE NCC 1321 1563 1902 1646 1515 1281 1212 1266 1958 1424 LACNIC 13 13 17 14 16 12 14 13 18 13 IANA 1 1 1 1 1 1 1 1 1 1 Private 9 5 3 1 5 3 5 2 4 2 Others 0 0 0 0 0 0 0 0 0 0 Total 4724 5165 6440 4237 5365 4270 4366 3621 6307 4690 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 ARIN 6579 6381 5572 3001 6192 3441 4191 2529 5715 3167 APNIC 1309 1260 1057 678 1207 860 852 632 1149 749 RIPE NCC 3504 3239 2907 2318 3307 1938 2526 1765 2841 2042 LACNIC 14 14 9 6 11 6 6 7 9 8 IANA 0 0 0 0 0 0 0 0 0 0 Private 4 3 4 3 4 2 2 3 2 1 Others 0 0 0 0 0 0 0 0 0 0 Total 11410 10897 9549 6006 10721 6247 7577 4936 9716 5967 IANA : AS64414 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Leaf 13324 13401 13403 8131 13391 8386 9559 6595 13454 8540 Transit 2710 2561 2484 1722 2600 1654 1967 1398 2467 1640 Transit-only 100 100 102 390 95 477 417 564 102 477 Total 16134 16062 15989 10243 16086 10517 11943 8557 16023 10657 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 Avg 6.36 6.08 6.04 5.79 6.39 7.16 7.22 6.51 6.16 5.77 Std 3.13 2.43 3.41 2.37 3.31 2.87 4.59 2.24 2.36 2.46 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/12 297 172.17.0.0/16 32767 192.168.0.0/24 297 192.168.2.132/30 2200 o List of hot-spots during the week. Prefix Origin AS Number of updates 207.191.56.0/24 4519 88896 207.191.47.0/24 4519 88187 208.157.76.0/24 14268 59120 209.236.10.0/24 8081 53893 208.161.203.0/24 14268 49726 152.214.36.0/22 816 48169 65.125.220.0/23 3908 47898 152.214.44.0/24 816 45851 204.150.142.0/24 816 45311 204.150.235.0/24 816 45308 Total number of RIS BGP peering sessions: 315