RIS Statistics Report (20070402-20070409) This report was generated at Mon Apr 9 00:15:01 UTC 2007. 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 rrc15 APNIC 48023 45886 45954 9559 46394 45895 40040 24796 46754 45812 45938 46312 46492 42608 41177 ARIN 79968 78423 78029 9735 79177 78600 63467 64168 78192 78230 77862 78439 77690 74558 70192 LACNIC 15933 12616 12627 3257 12654 12686 9427 12370 12641 12625 12610 12655 12583 12392 13797 RIPE NCC 46840 43902 44140 7975 44904 43778 34679 36429 44964 44045 43687 44374 43673 42255 39295 AfriNIC 347 342 347 152 347 347 302 298 347 347 347 347 340 334 322 Old 39675 38782 37993 5152 38654 38629 30161 29582 37815 37635 37587 38606 37804 36515 34060 IANA 152 82 88 19 86 105 81 73 86 86 102 133 71 67 85 RFC1918 10 2 1 0 5 0 2 0 0 0 0 3 1 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 230948 220035 219179 35849 222221 220040 178159 167716 220799 218780 218133 220869 218654 208729 198928 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 rrc15 ARIN 12453 12388 12347 2754 12423 12401 10233 10326 12328 12300 12333 12419 12293 11952 11074 APNIC 2899 2883 2856 729 2882 2867 2658 1818 2868 2850 2859 2875 2854 2684 2733 RIPE NCC 9522 9461 9475 2578 9484 9458 7902 8318 9482 9446 9453 9488 9453 9306 8933 LACNIC 300 299 293 87 298 298 263 286 292 291 294 298 293 289 267 AFRINIC 45 45 45 15 45 45 41 42 45 45 45 45 45 45 42 IANA 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Private 80 43 38 1 62 34 42 17 46 20 30 42 35 18 25 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25303 25121 25057 6165 25196 25105 21141 20809 25063 24954 25017 25169 24975 24296 23076 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3851 4991 4945 2058 4671 5248 4758 6034 5488 6242 5634 4866 5219 5898 6047 APNIC 818 1091 934 512 995 1053 1092 872 1087 1294 1236 943 1088 1066 1296 RIPE NCC 2805 3753 3336 1779 3393 3899 3014 4713 3901 4769 4299 3442 3827 4607 4661 LACNIC 126 149 139 60 137 151 137 177 148 166 160 148 154 162 140 AFRINIC 24 24 26 12 25 27 22 26 24 27 26 25 28 28 26 IANA 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Private 54 23 20 0 37 21 25 11 32 12 18 26 22 9 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7681 10032 9402 4422 9259 10400 9049 11835 10681 12511 11376 9451 10339 11772 12190 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8602 7397 7402 696 7752 7153 5475 4292 6840 6058 6699 7553 7074 6054 5027 APNIC 2081 1792 1922 217 1887 1814 1566 946 1781 1556 1623 1932 1766 1618 1437 RIPE NCC 6717 5708 6139 799 6091 5559 4888 3605 5581 4677 5154 6046 5626 4699 4272 LACNIC 174 150 154 27 161 147 126 109 144 125 134 150 139 127 127 AFRINIC 21 21 19 3 20 18 19 16 21 18 19 20 17 17 16 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 26 20 18 1 25 13 17 6 14 8 12 16 13 9 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17622 15089 15655 1743 15937 14705 12092 8974 14382 12443 13641 15718 14636 12524 10886 IANA : AS65535 AS47202 Number of 4-byte ASes: 3. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21080 21152 21059 4720 21134 21199 17416 17479 21183 21206 21162 21157 21210 20601 19636 Transit 4096 3857 3869 493 3947 3804 3320 2985 3757 3626 3726 3896 3656 3536 3245 Transit-only 142 122 135 956 127 111 414 351 130 128 134 125 116 166 203 Total 25318 25131 25063 6169 25208 25114 21150 20815 25070 24960 25022 25178 24982 24303 23084 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.29 6.70 5.95 5.27 6.30 5.68 6.25 5.87 6.44 5.67 6.00 6.19 6.50 5.64 6.84 Std 2.58 2.62 2.57 2.17 2.64 2.26 2.51 2.51 2.81 2.29 2.63 2.66 2.29 2.57 2.26 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 65333 10.20.90.0/24 23352 10.52.254.136/30 8342 10.221.0.0/16 8402 172.16.0.0/12 65333 192.0.2.0/24 2854 192.168.0.0/16 65333 192.168.1.0/24 5606 192.168.50.0/24 25232 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 630251 80.243.64.0/20 21332 565293 81.213.47.0/24 9121 481255 12.170.126.0/24 33188 467890 64.201.12.0/24 33188 466437 81.212.197.0/24 9121 449529 203.193.188.0/24 7633 284025 193.242.111.0/24 2128 209242 194.88.240.0/23 2128 209091 192.96.13.0/24 16637 196199 Total number of RIS BGP peering sessions: 580