RIS Statistics Report (20060417-20060424) This report was generated at Mon Apr 24 00:15:01 UTC 2006. 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 rrc10 rrc11 rrc12 rrc13 rrc14 APNIC 36073 35519 35268 0 35355 34993 34405 26031 27374 34175 30671 0 35022 28713 ARIN 75125 74726 67576 173 68618 67609 67341 57715 44689 63830 49235 0 68597 42690 LACNIC 10198 10188 9903 1169 9938 10017 10016 8386 8251 9165 8235 0 9942 8153 RIPE NCC 30875 29479 29403 567 29969 29387 28304 21862 18164 28475 23085 0 29505 21776 OLD 63789 63450 34549 313 35498 35046 34597 27348 24487 33679 27121 0 35425 27843 IANA 13412 13149 12911 66 13013 12878 12679 10607 8853 12194 10540 0 12991 11572 RFC1918 1893 1887 1 0 4 0 0 0 0 1 0 0 0 0 AFRINIC 93 93 93 35 93 93 93 45 87 91 77 0 93 72 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 231458 228491 189704 2323 192488 190023 187435 151994 131905 181610 148964 0 191575 140819 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 11629 11584 11523 150 11573 11539 11491 10114 9375 11299 9472 0 11542 8778 APNIC 2525 2500 2499 0 2515 2492 2459 1798 1962 2460 2256 0 2481 2319 RIPE NCC 7969 7913 7940 151 7932 7914 7685 6564 5815 7836 6642 0 7940 6761 LACNIC 197 196 191 19 192 194 194 179 170 186 176 0 193 178 AFRINIC 11 11 11 0 11 11 11 10 11 10 11 0 11 9 IANA 2 1 2 0 2 2 2 1 1 2 2 0 2 1 Private 47 22 18 1 25 12 13 7 3 6 15 0 15 14 Others 1 1 1 0 1 1 1 0 1 0 1 0 1 0 Total 22381 22228 22185 321 22251 22165 21856 18673 17338 21799 18575 0 22185 18060 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3433 4203 4217 99 4022 5262 4744 6361 6060 6401 3963 0 5223 5041 APNIC 694 819 818 0 806 1009 943 1055 1083 1273 996 0 1056 1206 RIPE NCC 2416 2904 3141 118 2693 3697 3230 4406 3384 4559 2825 0 3408 3861 LACNIC 71 80 78 17 77 88 85 122 106 106 82 0 92 109 AFRINIC 7 7 7 0 7 7 7 6 8 6 7 0 7 6 IANA 2 1 2 0 2 2 2 1 1 2 2 0 2 1 Private 36 14 14 0 20 6 9 6 3 4 12 0 9 12 Others 1 1 1 0 1 1 1 0 1 0 1 0 1 0 Total 6660 8029 8278 234 7628 10072 9021 11957 10646 12351 7888 0 9798 10236 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8196 7381 7306 51 7551 6277 6747 3753 3315 4898 5509 0 6319 3737 APNIC 1831 1681 1681 0 1709 1483 1516 743 879 1187 1260 0 1425 1113 RIPE NCC 5553 5009 4799 33 5239 4217 4455 2158 2431 3277 3817 0 4532 2900 LACNIC 126 116 113 2 115 106 109 57 64 80 94 0 101 69 AFRINIC 4 4 4 0 4 4 4 4 3 4 4 0 4 3 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 11 8 4 1 5 6 4 1 0 2 3 0 6 2 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 15721 14199 13907 87 14623 12093 12835 6716 6692 9448 10687 0 12387 7824 IANA : AS64501 AS43144 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18561 18665 18581 244 18590 18715 18316 15897 14573 18677 15318 0 18747 15070 Transit 3697 3459 3491 49 3551 3343 3393 2524 2350 3032 2888 0 3333 2694 Transit-only 123 104 113 28 110 107 147 252 415 90 369 0 105 296 Total 22381 22228 22185 321 22251 22165 21856 18673 17338 21799 18575 0 22185 18060 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.27 6.16 5.97 4.28 6.02 6.02 5.94 4.77 5.08 4.99 6.32 0.00 7.86 4.76 Std 2.84 2.65 2.75 2.65 2.85 2.63 2.76 1.90 2.04 1.87 2.95 0.00 2.81 2.10 o List of martians appearing throughout the week. Prefix Origin AS 10.51.0.0/30 8342 172.16.2.32/27 6325 172.16.2.80/28 6325 172.31.31.0/30 6325 192.168.0.61/32 32767 192.168.90.0/24 5417 192.168.91.0/24 5417 192.168.191.0/24 5417 o List of hot-spots during the week. Prefix Origin AS Number of updates 64.17.224.0/19 19982 248260 196.221.1.0/24 36893 226352 64.17.224.0/21 19982 220229 64.17.232.0/21 19982 220221 64.17.240.0/21 19982 217309 193.27.248.0/23 31002 169854 62.24.238.0/24 13285 157296 199.181.158.0/23 4595 114293 195.14.9.0/24 39017 102717 204.201.21.0/24 20096 70688 Total number of RIS BGP peering sessions: 587