RIS Statistics Report (20060109-20060116) This report was generated at Mon Jan 16 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 35767 34785 34375 0 33981 33288 27446 33777 22277 25526 33340 33427 33498 23728 ARIN 67684 66448 66639 119 65983 65395 41076 64851 38738 38306 65397 65348 65825 49535 LACNIC 10398 10161 10333 1052 10129 10155 8186 10015 8558 8171 10096 10096 10130 8604 RIPE NCC 35022 31797 30027 705 31745 28332 22833 27806 19083 22266 28384 28903 28744 22855 OLD 36282 35208 34752 290 34966 34313 21858 34642 20031 18689 34034 34153 34682 26520 IANA 21579 20797 10791 88 16073 10226 7712 10118 7097 7690 10213 10254 10241 8260 RFC1918 20 2 7 1 10 0 0 0 0 0 0 0 0 0 AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 206752 199198 186924 2255 192887 181709 129111 181209 115784 120648 181464 182181 183120 139502 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 11438 11384 11145 163 11369 11347 8804 11285 8865 7523 11308 11323 11344 9542 APNIC 2438 2420 2380 0 2432 2412 2240 2402 1910 2000 2405 2413 2397 1920 RIPE NCC 7589 7560 7148 176 7582 7561 6490 7515 6071 6612 7560 7568 7547 6555 LACNIC 177 177 169 22 174 175 153 171 136 152 170 172 175 159 AFRINIC 6 6 5 0 6 6 5 6 6 5 6 6 6 5 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 46 27 18 0 25 6 16 7 10 2 11 17 17 10 Others 1 1 0 0 1 0 1 1 1 0 1 1 1 0 Total 21695 21575 20865 361 21589 21507 17709 21387 16999 16294 21461 21500 21487 18191 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 3372 3876 4765 100 3869 6436 3627 7625 5706 4906 5808 4612 5129 5894 APNIC 654 746 954 0 792 1194 922 1441 1017 1186 1006 998 1024 1037 RIPE NCC 2234 2831 2735 135 2535 3848 2623 5271 3400 3920 3661 2855 3137 3901 LACNIC 72 81 85 20 77 102 79 121 85 102 92 88 95 107 AFRINIC 2 2 1 0 2 2 1 4 4 2 2 2 2 2 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 27 13 9 0 18 2 7 1 4 1 5 9 10 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 6361 7549 8549 255 7293 11584 7259 14463 10216 10117 10574 8564 9397 10950 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 ARIN 8066 7508 6380 63 7500 4911 5177 3660 3159 2617 5500 6711 6215 3648 APNIC 1784 1674 1426 0 1640 1218 1318 961 893 814 1399 1415 1373 883 RIPE NCC 5355 4729 4413 41 5047 3713 3867 2244 2671 2692 3899 4713 4410 2654 LACNIC 105 96 84 2 97 73 74 50 51 50 78 84 80 52 AFRINIC 4 4 4 0 4 4 4 2 2 3 4 4 4 3 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 19 14 9 0 7 4 9 6 6 1 6 8 7 1 Others 1 1 0 0 1 0 1 1 1 0 1 1 1 0 Total 15334 14026 12316 106 14296 9923 10450 6924 6783 6177 10887 12936 12090 7241 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Leaf 17965 18091 17450 271 18021 18207 14407 18522 14206 13562 18149 18047 18159 15363 Transit 3601 3368 3271 57 3449 3200 2967 2785 2417 2455 3207 3339 3224 2570 Transit-only 129 116 144 33 119 100 335 80 376 277 105 114 104 258 Total 21695 21575 20865 361 21589 21507 17709 21387 16999 16294 21461 21500 21487 18191 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 Avg 6.42 6.24 5.94 5.00 6.36 6.12 6.14 5.09 5.20 5.21 6.21 6.32 7.83 4.91 Std 2.72 2.51 2.59 3.20 2.74 2.76 2.68 1.61 2.03 2.00 2.78 2.73 2.67 1.99 o List of martians appearing throughout the week. Prefix Origin AS 10.31.1.0/24 9009 10.31.2.0/24 9009 10.31.3.0/24 9009 10.32.1.0/24 9009 10.32.4.0/24 9009 10.33.1.0/24 9009 10.44.0.0/24 9009 10.49.0.0/24 9009 10.101.39.12/30 12390 10.101.39.16/30 12390 10.101.39.18/32 12390 10.101.39.20/30 12390 172.16.23.0/30 12819 172.16.103.0/24 6656 192.168.1.0/24 29404 192.168.19.0/24 2200 192.168.230.0/30 12819 o List of hot-spots during the week. Prefix Origin AS Number of updates 207.168.184.0/24 32832 551162 81.212.149.0/24 9121 476332 81.213.47.0/24 9121 334440 62.111.4.0/24 6666 279354 12.34.129.0/24 26885 247444 63.144.47.0/24 26885 247091 67.151.119.0/24 33486 207594 195.234.54.0/23 35726 174744 69.61.77.0/24 36344 170334 192.204.160.0/21 19261 162967 Total number of RIS BGP peering sessions: 547