RIS Statistics Report (20071231-20080107) This report was generated at Mon Jan 7 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 APNIC 61371 56165 56675 0 59786 54803 54889 55794 54200 53920 55000 0 54145 55386 54627 ARIN 85896 84523 83498 0 84452 84174 84644 83806 83687 83827 83636 0 83561 85344 85382 LACNIC 19670 16441 16311 0 16435 16416 16406 16477 16393 16385 16324 0 16393 16525 19663 RIPE NCC 59821 49616 49701 0 50139 48952 49262 48317 56915 48932 49385 0 49242 48929 48670 AfriNIC 2554 2543 2547 0 2537 2535 2534 2537 2545 2531 2547 0 2545 2540 2536 Old 40380 39568 38647 0 39636 39210 39225 39210 38610 38587 38699 0 38457 39326 39403 IANA 4 4 4 0 3 3 2 2 3 3 4 0 2 4 2 RFC1918 37 2 27 0 4 0 0 0 0 3 0 0 0 0 6 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 269733 248862 247410 0 252992 246093 246962 246143 252353 244188 245595 0 244345 248054 250289 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 13011 12982 12906 0 12991 12964 12971 12886 12902 12877 12893 0 12876 12981 12953 APNIC 3125 3112 3085 0 3107 3085 3084 3076 3083 3078 3080 0 3059 3107 3080 RIPE NCC 10767 10743 10744 0 10753 10733 10733 10692 10740 10725 10731 0 10737 10732 10713 LACNIC 413 411 406 0 409 409 411 407 403 404 403 0 404 409 410 AFRINIC 74 74 74 0 74 74 74 74 74 74 74 0 74 74 74 IANA 2 2 2 0 2 2 2 1 2 2 2 0 2 2 2 Private 168 133 119 0 56 40 42 108 38 18 96 0 25 97 24 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27561 27457 27337 0 27393 27307 27317 27244 27243 27179 27280 0 27177 27403 27256 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4165 4582 4770 0 4665 5936 5441 7980 5604 6498 5336 0 5327 4746 5796 APNIC 807 927 904 0 912 1108 1041 1524 1042 1199 1099 0 1108 976 1220 RIPE NCC 3477 3972 3897 0 3894 4709 4170 6860 4492 4674 4651 0 4150 4364 5313 LACNIC 181 202 198 0 193 205 209 263 207 220 214 0 209 207 212 AFRINIC 38 39 39 0 39 41 40 43 40 41 42 0 40 39 39 IANA 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 Private 145 122 106 0 45 30 34 102 29 13 90 0 14 91 17 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8814 9845 9915 0 9750 12030 10936 16773 11416 12647 11433 0 10849 10425 12598 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8846 8400 8136 0 8326 7028 7530 4906 7298 6379 7557 0 7549 8235 7157 APNIC 2318 2185 2181 0 2195 1977 2043 1552 2041 1879 1981 0 1951 2131 1860 RIPE NCC 7290 6771 6847 0 6859 6024 6563 3832 6248 6051 6080 0 6587 6368 5400 LACNIC 232 209 208 0 216 204 202 144 196 184 189 0 195 202 198 AFRINIC 36 35 35 0 35 33 34 31 34 33 32 0 34 35 35 IANA 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 Private 23 11 13 0 11 10 8 6 9 5 6 0 11 6 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18747 17612 17422 0 17643 15277 16381 10471 15827 14532 15847 0 16328 16978 14658 IANA : AS65535 AS60003 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 Leaf 23018 23114 23040 0 23024 23131 23037 23480 23045 23120 23137 0 23009 23123 23232 Transit 4406 4216 4158 0 4238 4068 4168 3670 4066 3943 4024 0 4051 4163 3925 Transit-only 140 124 136 0 129 112 117 97 125 117 121 0 120 123 103 Total 27564 27454 27334 0 27391 27311 27322 27247 27236 27180 27282 0 27180 27409 27260 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 5.94 6.06 5.58 0.00 5.78 5.87 5.92 5.28 5.85 6.09 5.37 0.00 6.33 5.25 6.57 Std 2.56 2.57 2.54 0.00 2.59 2.37 2.56 2.17 2.56 2.40 2.42 0.00 2.72 2.42 2.61 o List of martians appearing throughout the week. Prefix Origin AS 10.0.22.0/24 39912 10.11.12.0/24 34245 10.11.13.0/24 34245 10.20.0.0/20 39912 10.100.2.250/32 8607 10.100.200.2/32 8607 10.128.18.0/23 34245 10.128.22.0/23 34245 10.193.3.0/24 34245 10.193.12.128/28 34245 10.193.14.32/27 34245 10.193.14.64/27 34245 10.193.14.96/27 34245 10.205.255.0/27 34245 10.205.255.32/27 34245 10.216.0.0/23 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 172.31.46.0/24 38416 192.0.2.0/24 3300 o List of hot-spots during the week. Prefix Origin AS Number of updates 209.163.125.0/24 14390 1152405 80.243.64.0/20 21332 823533 202.141.0.0/17 2697 816829 203.101.87.0/24 9498 797717 65.117.146.0/24 19581 481121 209.4.88.0/24 10882 410919 199.254.29.0/24 12041 349646 199.254.30.0/24 12041 343239 199.254.28.0/24 12041 331687 199.19.55.0/24 12041 278859 Total number of RIS BGP peering sessions: 611