RIS Statistics Report (20060508-20060515) This report was generated at Mon May 15 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 53238 38800 50409 0 41608 33098 36626 14199 33251 34447 35459 0 35029 30785 ARIN 95295 69025 93820 244 78476 56334 60952 19920 65855 62799 67306 0 66175 60408 LACNIC 17848 9799 17731 1130 12854 8956 9378 5233 9388 8307 9665 0 9646 9629 RIPE NCC 53677 31029 52031 431 34181 22828 25462 13084 24007 27893 29580 0 29599 22162 OLD 47899 37166 46314 212 38231 29271 33373 11104 33439 32604 34708 0 34663 34638 IANA 21390 13608 20936 47 16655 11022 11659 4970 11516 11961 13038 0 13083 12636 RFC1918 44 3 38 0 0 0 0 0 0 0 3 0 0 0 AFRINIC 108 102 108 35 108 96 101 93 98 102 102 0 100 102 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 289499 199532 281387 2099 222113 161605 177551 68603 177554 178113 189861 0 188295 170360 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 11699 11663 11580 147 11644 10510 10867 4868 11403 11288 11586 0 11538 11217 APNIC 2540 2522 2521 0 2532 2308 2468 1345 2411 2489 2521 0 2492 2452 RIPE NCC 8068 8016 8041 156 8027 6723 7239 4757 6983 7861 8018 0 7993 7228 LACNIC 202 201 196 19 199 193 187 121 189 177 196 0 197 196 AFRINIC 13 13 13 0 13 13 12 11 13 13 13 0 12 13 IANA 1 1 0 0 1 0 0 0 0 0 0 0 0 0 Private 72 34 22 1 25 18 20 10 12 9 19 0 20 43 Others 1 1 1 0 1 1 1 0 1 0 1 0 1 0 Total 22596 22451 22374 323 22442 19766 20794 11112 21012 21837 22354 0 22253 21149 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3286 3807 3956 94 4123 4979 4662 3167 6198 7056 4534 0 5143 6723 APNIC 707 818 828 0 855 989 1031 785 1263 1455 969 0 1005 1157 RIPE NCC 2383 2819 2838 121 2913 2842 2959 3077 3411 4467 3223 0 3438 4377 LACNIC 74 79 80 15 83 95 82 81 100 106 99 0 95 111 AFRINIC 8 8 8 0 8 8 7 6 8 8 8 0 7 8 IANA 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 57 21 15 0 14 10 12 4 8 5 12 0 10 38 Others 0 0 1 0 0 0 0 0 0 0 0 0 0 0 Total 6515 7553 7726 230 7996 8923 8753 7120 10988 13097 8845 0 9698 12414 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8413 7856 7624 53 7521 5531 6205 1701 5205 4232 7052 0 6395 4494 APNIC 1833 1704 1693 0 1677 1319 1437 560 1148 1034 1552 0 1487 1295 RIPE NCC 5685 5197 5203 35 5114 3881 4280 1680 3572 3394 4795 0 4555 2851 LACNIC 128 122 116 4 116 98 105 40 89 71 97 0 102 85 AFRINIC 5 5 5 0 5 5 5 5 5 5 5 0 5 5 IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 Private 15 13 7 1 11 8 8 6 4 4 7 0 10 5 Others 1 1 0 0 1 1 1 0 1 0 1 0 1 0 Total 16081 14898 14648 93 14446 10843 12041 3992 10024 8740 13509 0 12555 8735 IANA : AS65535 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 18736 18800 18713 243 18764 16494 17364 8843 17869 18731 18796 0 18856 18038 Transit 3742 3540 3548 54 3564 2963 3208 1666 2954 3006 3441 0 3285 2894 Transit-only 118 111 113 26 114 309 222 603 189 100 117 0 112 217 Total 22596 22451 22374 323 22442 19766 20794 11112 21012 21837 22354 0 22253 21149 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.26 6.28 5.98 5.12 6.18 6.06 5.99 5.15 4.95 4.98 6.03 0.00 7.58 4.73 Std 2.77 2.67 2.72 3.35 2.88 2.62 2.75 1.99 1.86 1.87 2.82 0.00 2.73 1.95 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 27498 172.16.1.0/24 27498 172.16.2.32/27 6325 172.16.2.80/28 6325 172.16.4.0/24 27498 172.31.31.0/30 6325 o List of hot-spots during the week. Prefix Origin AS Number of updates 81.212.149.0/24 9121 377975 64.17.224.0/19 19982 310607 196.221.1.0/24 36893 254814 64.17.232.0/21 19982 207384 64.17.240.0/21 19982 200237 64.17.224.0/21 19982 193465 62.24.238.0/24 13285 181544 12.144.41.0/24 16705 140158 81.14.128.0/17 13045 139987 63.101.83.0/24 16705 139827 Total number of RIS BGP peering sessions: 589