RIS Statistics Report (20080303-20080310) This report was generated at Mon Mar 10 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 3871 3787 3546 3613 0 3675 3678 3680 3518 3514 3548 0 3611 3800 3677 3537 ARIN 15120 14928 14460 14781 0 14743 14764 14728 14433 14489 14406 0 14797 14893 14900 14365 LACNIC 6338 6236 6062 6136 0 6181 6182 6182 6062 6057 6061 0 6140 6235 6197 5998 RIPE NCC 5709 5533 5382 5488 0 5505 5503 5480 5365 5361 5378 0 5462 5486 5547 5384 AfriNIC 5887 5733 5349 5504 0 5505 5502 5662 5455 5433 5628 0 5616 5518 5630 5318 Old 251845 225294 220777 224454 0 217762 218222 217282 224617 220456 218266 0 222367 225301 226094 220401 RFC1918 38 0 28 2 0 0 0 0 0 2 2 0 0 2 6 0 OTHER 0 1 1 1 0 1 1 1 1 1 1 0 2 1 1 1 TOTAL 288810 261512 255605 259979 0 253372 253852 253015 259451 255313 253290 0 257995 261236 262052 255004 ER 2 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 13205 13180 13071 13119 0 13122 13130 13048 13063 13052 13063 0 13125 13141 13122 13004 APNIC 3186 3181 3143 3135 0 3145 3145 3134 3148 3134 3149 0 3138 3167 3140 3124 RIPE NCC 11133 11099 11068 11047 0 11055 11058 11012 11056 11047 11049 0 11075 11056 11030 11026 LACNIC 437 435 432 434 0 432 435 431 430 427 429 0 435 435 433 425 AFRINIC 91 91 91 91 0 91 91 91 91 91 91 0 91 91 91 91 IANA 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 0 Private 95 65 52 41 0 46 45 25 46 41 33 0 53 34 40 20 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 28149 28052 27859 27868 0 27892 27905 27742 27835 27793 27816 0 27918 27925 27857 27690 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 4021 4548 4593 5030 0 5545 5329 7915 5177 5975 4917 0 4867 4563 5354 7663 APNIC 815 926 950 1133 0 1155 1084 1586 1092 1163 1015 0 1010 1013 1194 1563 RIPE NCC 3278 3857 3753 4359 0 4567 4128 6660 4287 4521 4539 0 3894 4182 5061 6455 LACNIC 164 192 198 200 0 210 211 234 205 204 203 0 206 198 190 243 AFRINIC 36 40 41 44 0 44 43 46 41 44 44 0 39 42 43 51 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 63 44 37 28 0 30 29 15 31 29 20 0 35 22 26 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8377 9607 9572 10794 0 11551 10824 16456 10833 11936 10739 0 10051 10020 11868 15991 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 9184 8632 8478 8089 0 7577 7801 5133 7886 7077 8146 0 8258 8578 7768 5341 APNIC 2371 2255 2193 2002 0 1990 2061 1548 2056 1971 2134 0 2128 2154 1946 1561 RIPE NCC 7855 7242 7315 6688 0 6488 6930 4352 6769 6526 6510 0 7181 6874 5969 4571 LACNIC 273 243 234 234 0 222 224 197 225 223 226 0 229 237 243 182 AFRINIC 55 51 50 47 0 47 48 45 50 47 47 0 52 49 48 40 IANA 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 0 Private 32 21 15 13 0 16 16 10 15 12 13 0 18 12 14 4 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 19772 18445 18287 17074 0 16341 17081 11286 17002 15857 17077 0 17867 17905 15989 11699 IANA : 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 23420 23503 23373 23505 0 23538 23444 23817 23456 23500 23461 0 23475 23447 23645 23871 Transit 4605 4436 4356 4247 0 4246 4342 3832 4252 4166 4226 0 4328 4361 4110 3727 Transit-only 139 125 139 123 0 117 127 101 134 131 134 0 123 124 110 90 Total 28164 28064 27868 27875 0 27901 27913 27750 27842 27797 27821 0 27926 27932 27865 27688 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Avg 6.01 6.14 5.59 5.84 0.00 5.85 5.86 5.42 5.98 6.16 5.67 0.00 6.59 5.32 6.50 5.04 Std 2.44 2.55 2.42 2.29 0.00 2.24 2.50 2.18 2.48 2.39 2.42 0.00 2.51 2.34 2.33 1.56 o List of martians appearing throughout the week. Prefix Origin AS 10.0.22.0/24 39912 10.10.10.0/24 5511 10.11.12.0/24 34245 10.11.13.0/24 34245 10.20.0.0/20 39912 10.20.30.0/30 8342 10.50.162.0/24 5511 10.128.18.0/23 34245 10.128.22.0/23 34245 10.161.1.10/32 8342 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 10.193.14.192/28 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 192.168.2.0/24 34245 192.168.10.0/24 34245 192.168.107.0/24 34245 192.168.108.0/24 34245 192.168.109.0/24 34245 192.168.117.0/24 34245 192.168.118.0/24 34245 192.168.119.0/24 34245 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.140.63.0/24 17443 730252 202.141.0.0/17 2697 588501 203.101.87.0/24 9498 580666 125.23.208.0/20 9498 444334 124.7.244.0/24 9583 362283 64.79.128.0/19 23005 258552 80.243.64.0/20 21332 250185 66.246.8.0/23 29791 205268 202.162.210.0/24 9341 188967 12.108.254.0/24 26829 183685 Total number of RIS BGP peering sessions: 625