RIS Statistics Report (20080804-20080811) This report was generated at Mon Aug 11 00:15:01 UTC 2008. 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 rrc16 APNIC 66517 65863 57407 58237 63889 60340 58977 59184 57947 57854 58669 59545 58192 59602 58438 63185 ARIN 96794 93405 91938 92807 90192 94617 93377 93833 89156 93585 92851 90336 92934 90855 95633 89893 LACNIC 22948 19436 19160 19321 19490 19387 19383 19369 19344 19264 19343 19245 19336 19328 22902 19357 RIPE NCC 117908 60856 57827 61630 56917 94521 57739 55266 66357 58107 59024 58900 60129 56077 56708 56608 AfriNIC 1392 1390 1327 1392 1388 1386 1390 1392 1387 1386 1386 1344 1388 1392 1392 1381 Old 45772 43559 41326 42355 42198 42434 42225 41939 41290 41495 41487 42135 41884 42239 42291 42158 IANA 5 1 1 1 1 2 1 1 1 2 1 1 1 1 3 1 RFC1918 59 0 28 0 6 5 2 0 1 6 6 12 1 2 10 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 351395 284510 269014 275743 274081 312692 273094 270984 275483 271699 272767 271518 273865 269496 277377 272583 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 rrc16 ARIN 12759 12723 12632 12690 12729 12710 12686 12626 12638 12631 12652 12717 12698 12722 12701 12584 APNIC 3435 3424 3369 3370 3408 3401 3383 3362 3377 3369 3384 3410 3361 3409 3367 3380 RIPE NCC 11959 11932 11917 11899 11932 11910 11915 11862 11918 11906 11919 11927 11908 11908 11883 11887 LACNIC 1001 1000 992 1000 1000 997 994 991 990 991 991 999 1000 998 999 989 AFRINIC 208 205 206 205 203 205 205 203 205 205 204 205 204 206 204 202 IANA 3 1 1 3 2 3 3 2 3 2 3 1 1 3 3 1 Private 104 71 58 61 69 63 59 10 62 24 62 68 59 23 27 13 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 29469 29356 29175 29228 29343 29289 29245 29056 29193 29128 29215 29327 29231 29269 29184 29056 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 3996 4608 4601 4932 4635 5233 5385 7709 5374 5697 4728 4497 5149 4607 5913 7837 APNIC 862 1006 1082 1205 1060 1186 1084 1545 1197 1152 1027 1053 1146 1073 1452 1698 RIPE NCC 3685 4618 4432 4757 4290 4926 4543 7414 4763 4673 4544 4539 4689 4636 6015 7098 LACNIC 325 399 408 392 384 390 393 457 410 417 394 393 410 384 381 490 AFRINIC 73 84 81 85 82 88 84 96 88 89 85 82 86 83 90 100 IANA 2 1 1 2 1 2 2 2 2 2 2 1 1 2 2 1 Private 85 62 55 55 62 53 54 8 58 19 58 58 50 18 20 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 9028 10778 10660 11428 10514 11878 11545 17231 11892 12049 10838 10623 11531 10803 13873 17235 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 8763 8115 8031 7758 8094 7477 7301 4917 7264 6934 7924 8220 7549 8115 6788 4747 APNIC 2573 2418 2287 2165 2348 2215 2299 1817 2180 2217 2357 2357 2215 2336 1915 1682 RIPE NCC 8274 7314 7485 7142 7642 6984 7372 4448 7155 7233 7375 7388 7219 7272 5868 4789 LACNIC 676 601 584 608 616 607 601 534 580 574 597 606 590 614 618 499 AFRINIC 135 121 125 120 121 117 121 107 117 116 119 123 118 123 114 102 IANA 1 0 0 1 1 1 1 0 1 0 1 0 0 1 1 0 Private 19 9 3 6 7 10 5 2 4 5 4 10 9 5 7 2 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 20441 18578 18515 17800 18829 17411 17700 11825 17301 17079 18377 18704 17700 18466 15311 11821 IANA : AS64449 AS64444 AS65535 Number of 4-byte ASes: 13. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Leaf 24555 24750 24625 24706 24698 24765 24667 24965 24696 24641 24660 24688 24707 24642 24811 25049 Transit 4799 4499 4433 4414 4529 4424 4479 3986 4384 4364 4439 4519 4411 4512 4256 3907 Transit-only 146 125 132 129 126 127 124 112 132 131 136 136 129 129 124 103 Total 29500 29374 29190 29249 29353 29316 29270 29063 29212 29136 29235 29343 29247 29283 29191 29059 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Avg 5.83 6.02 5.27 6.06 5.41 6.00 5.82 5.38 5.69 6.03 5.37 5.35 6.09 5.18 6.64 4.99 Std 2.41 2.45 2.27 2.53 2.28 2.30 2.46 2.17 2.54 2.37 2.38 2.31 2.36 2.39 2.48 1.67 o List of martians appearing throughout the week. Prefix Origin AS 10.0.22.0/24 39912 10.10.12.0/24 34245 10.10.13.0/24 34245 10.20.0.0/20 39912 10.20.30.0/30 8342 10.24.1.0/24 10796 10.24.14.0/24 10796 10.100.15.0/24 12739 10.100.100.100/30 6067 10.128.22.0/23 34245 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.14.32/27 34245 10.193.14.96/27 34245 10.193.14.192/28 34245 10.205.64.0/24 34245 10.205.252.0/24 34245 10.205.255.0/26 34245 10.216.0.0/15 34245 10.216.2.0/23 34245 10.216.4.0/23 34245 10.216.6.0/23 34245 10.216.8.0/23 34245 10.216.10.0/23 34245 10.221.3.131/32 1267 10.221.3.132/32 1267 10.221.3.141/32 1267 10.221.3.142/32 1267 172.16.0.0/16 8546 172.17.160.0/24 10796 172.17.161.0/24 10796 172.17.176.0/24 10796 172.17.177.0/24 10796 172.23.224.0/28 2119 172.31.160.0/19 11060 192.0.2.0/24 6762 192.168.103.0/25 65347 192.168.103.128/25 65347 192.168.192.0/21 7497 o List of hot-spots during the week. Prefix Origin AS Number of updates 83.228.71.0/24 8866 729275 192.12.120.0/24 5691 590846 89.38.98.0/23 6663 583689 221.134.222.0/24 9583 535060 89.39.147.0/24 6663 464163 195.47.233.0/24 30850 328024 196.42.0.0/20 10396 327546 83.239.192.0/21 42362 285326 196.27.104.0/21 30969 195366 72.50.96.0/20 10396 194435 Total number of RIS BGP peering sessions: 639