RIS Statistics Report (20070219-20070226) This report was generated at Mon Feb 26 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 46888 43962 45275 2 46223 42727 41380 20866 45583 44329 46044 45777 45292 45828 44621 ARIN 82886 76090 81424 785 78195 79349 73478 25614 81435 81546 81455 82279 81782 82079 81701 LACNIC 15113 12148 12210 1607 12234 12287 11459 6855 12236 12237 12211 12249 12261 12304 15019 RIPE NCC 45401 41272 42573 888 43435 39723 36868 21061 42965 41951 42688 43008 42668 41920 42262 AfriNIC 325 287 325 71 325 320 290 216 325 325 325 325 325 325 325 Old 40199 38388 37964 525 39154 36815 34147 11981 38174 37680 37921 38960 38662 38762 37855 IANA 78 27 31 0 30 29 29 22 31 29 31 30 78 31 30 RFC1918 6 3 0 0 5 0 1 0 0 0 3 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 230896 212177 219802 3878 219601 211250 197652 86615 220749 218097 220678 222628 221068 221249 221813 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 12364 12236 12252 242 0 12084 11640 5307 12235 12224 12250 12333 12275 12323 12211 APNIC 2861 2812 2819 0 0 2698 2772 1509 2830 2821 2834 2850 2819 2848 2809 RIPE NCC 9298 9165 9258 310 0 8756 8283 5731 9253 9232 9238 9266 9263 9227 9207 LACNIC 287 284 280 52 0 282 271 178 279 280 278 285 285 286 278 AFRINIC 41 39 41 4 0 41 39 32 41 41 41 41 41 41 41 IANA 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 82 29 29 1 0 30 54 16 49 16 29 55 45 33 19 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24936 24567 24682 609 0 23893 23061 12773 24689 24616 24672 24832 24730 24760 24567 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3807 6112 4612 166 0 5847 5421 2145 5567 5470 5371 4354 5014 4588 6931 APNIC 828 1318 1007 0 0 1115 1175 631 1233 1223 1079 966 1073 1050 1465 RIPE NCC 2734 4426 3139 238 0 3883 3242 2427 3785 3935 3535 3209 3445 3418 4820 LACNIC 114 154 127 45 0 142 136 93 145 142 146 130 136 139 152 AFRINIC 24 25 25 3 0 25 24 21 25 25 25 25 25 25 26 IANA 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Private 61 18 19 1 0 17 38 7 39 10 19 41 33 22 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7570 12054 8931 453 0 11030 10037 5324 10795 10806 10176 8726 9727 9243 13407 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8557 6124 7640 76 0 6237 6219 3162 6668 6754 6879 7979 7261 7735 5280 APNIC 2033 1494 1812 0 0 1583 1597 878 1597 1598 1755 1884 1746 1798 1344 RIPE NCC 6564 4739 6119 72 0 4873 5041 3304 5468 5297 5703 6057 5818 5809 4387 LACNIC 173 130 153 7 0 140 135 85 134 138 132 155 149 147 126 AFRINIC 17 14 16 1 0 16 15 11 16 16 16 16 16 16 15 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 21 11 10 0 0 13 16 9 10 6 10 14 12 11 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17366 12513 15751 156 0 12863 13024 7449 13894 13810 14496 16106 15003 15517 11160 IANA : AS65535 Number of 4-byte ASes: 0. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 20739 20925 20692 488 0 20115 19261 9821 20841 20819 20791 20798 20842 20792 20936 Transit 4066 3529 3860 83 0 3590 3552 2062 3726 3680 3757 3907 3767 3846 3523 Transit-only 144 118 135 40 0 192 255 897 128 120 130 136 128 132 115 Total 24949 24572 24687 611 0 23897 23068 12780 24695 24619 24678 24841 24737 24770 24574 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.25 6.04 5.94 4.39 0.00 5.95 6.16 6.17 6.54 5.58 6.15 6.11 6.86 5.81 6.90 Std 2.60 2.50 2.60 2.68 0.00 2.38 2.56 2.56 2.83 2.28 2.71 2.64 2.47 2.61 2.41 o List of martians appearing throughout the week. Prefix Origin AS 10.1.0.0/16 23148 10.1.3.0/24 23148 10.250.250.0/24 23352 192.0.2.0/24 2854 192.168.0.0/24 23148 192.168.254.0/24 5606 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 384161 216.83.208.0/20 32311 336775 12.170.126.0/24 33188 319577 38.97.202.0/23 32311 314540 69.6.16.0/20 32311 312884 69.6.48.0/20 32311 308739 69.6.0.0/20 32311 300745 69.6.32.0/20 32311 300337 64.201.12.0/24 33188 296553 69.6.64.0/20 32311 277717 Total number of RIS BGP peering sessions: 575