RIS Statistics Report (20070416-20070423) This report was generated at Mon Apr 23 00:15:02 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 49391 48050 47618 8563 48277 45735 46217 27182 47386 36725 47855 47650 47206 42962 41171 ARIN 80336 79113 78283 9317 79293 75326 78959 31657 78315 47377 78675 79185 78926 73824 70000 LACNIC 16433 12833 12787 4070 12883 12882 12894 6600 12825 9876 12821 12853 12878 12676 14183 RIPE NCC 47185 44563 44239 8546 45434 42388 44290 23813 43748 29005 43743 45414 44606 40478 38700 AfriNIC 396 391 396 142 396 392 396 262 396 352 396 396 396 390 334 Old 40347 39500 38029 5337 39300 38018 38383 17906 37666 19386 38213 38986 38848 36193 35679 IANA 137 136 135 40 136 136 136 87 136 96 137 136 136 126 125 RFC1918 7 0 0 0 3 0 0 0 1 0 1 1 4 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 234232 224586 221487 36015 225722 214877 221275 107507 220473 142817 221841 224621 223000 206649 200192 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 12499 12476 12378 2132 12464 11838 12435 7410 12383 8219 12403 12469 12427 11740 11384 APNIC 2909 2904 2874 579 2899 2849 2879 1995 2883 2550 2884 2897 2876 2682 2687 RIPE NCC 9598 9563 9550 2302 9576 9383 9550 6438 9433 7306 9538 9574 9566 9198 8688 LACNIC 300 299 293 118 299 298 299 206 293 251 293 298 298 297 285 AFRINIC 46 46 46 13 46 46 46 40 46 42 46 46 46 45 44 IANA 3 3 1 0 1 1 1 0 1 1 2 1 0 2 0 Private 84 66 32 1 62 36 60 23 45 20 35 52 45 28 36 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25441 25359 25176 5145 25349 24453 25272 16112 25086 18390 25203 25339 25260 23993 23125 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3749 4236 4658 1565 4121 6067 5283 3646 4992 4393 4467 4656 4681 5344 5798 APNIC 770 857 943 402 892 1095 1014 946 1004 1204 918 947 1027 1001 1207 RIPE NCC 2809 3293 3347 1576 3130 4242 3537 2949 3470 3279 3755 3577 3390 4109 4175 LACNIC 118 128 134 94 126 164 138 104 140 136 135 135 142 149 152 AFRINIC 25 25 27 10 26 28 26 24 25 25 27 26 26 27 25 IANA 2 2 0 0 0 1 1 0 0 0 1 0 0 2 0 Private 53 39 21 1 40 20 37 15 29 14 23 37 27 20 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7526 8580 9130 3648 8335 11617 10036 7684 9660 9052 9326 9378 9293 10652 11378 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8750 8240 7720 567 8343 5771 7152 3764 7391 3826 7936 7813 7746 6396 5586 APNIC 2139 2047 1931 177 2007 1754 1865 1049 1879 1346 1966 1950 1849 1681 1480 RIPE NCC 6789 6270 6203 726 6446 5141 6013 3489 5963 4027 5783 5997 6176 5089 4513 LACNIC 182 171 159 24 173 134 161 102 153 115 158 163 156 148 133 AFRINIC 21 21 19 3 20 18 20 16 21 17 19 20 20 18 19 IANA 1 1 1 0 1 0 0 0 1 1 1 1 0 0 0 Private 31 27 11 0 22 16 23 8 16 6 12 15 18 8 15 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17915 16779 16046 1497 17014 12836 15236 8428 15426 9338 15877 15961 15967 13341 11747 IANA : AS65535 AS6.3 AS47202 Number of 4-byte ASes: 6. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21170 21227 21180 3839 21216 20634 21256 13012 21120 15012 21224 21286 21288 20178 19511 Transit 4143 4003 3875 394 4008 3676 3885 2395 3838 2903 3851 3924 3851 3614 3370 Transit-only 146 139 128 916 133 151 140 710 134 479 132 135 129 206 248 Total 25459 25369 25183 5149 25357 24461 25281 16117 25092 18394 25207 25345 25268 23998 23129 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.27 6.43 5.80 5.08 6.14 6.12 6.05 6.10 6.50 5.96 5.74 6.28 6.78 5.90 6.96 Std 2.61 2.60 2.52 2.26 2.67 2.35 2.54 2.58 2.81 2.50 2.62 2.68 2.52 2.72 2.40 o List of martians appearing throughout the week. Prefix Origin AS 10.13.4.0/30 3212 10.221.0.0/16 8402 172.16.63.28/30 8359 172.26.202.232/32 8434 192.0.2.0/24 2854 192.168.17.8/30 8402 192.168.17.56/30 8402 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 586098 81.213.47.0/24 9121 495033 81.212.197.0/24 9121 488989 12.170.126.0/24 33188 436161 64.201.12.0/24 33188 435006 80.243.64.0/20 21332 396388 12.168.177.0/24 11725 287515 12.106.30.0/24 22072 198151 194.88.240.0/23 2128 189682 193.242.111.0/24 2128 189657 Total number of RIS BGP peering sessions: 579