RIS Statistics Report (20070903-20070910) This report was generated at Mon Sep 10 00:15:01 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 54342 50423 52658 0 51822 36933 49906 20749 50468 48660 50875 51770 50976 41066 50803 ARIN 82667 81294 80521 0 81098 43458 80506 14405 80291 73258 80672 82069 81348 66484 81807 LACNIC 17496 15168 15057 0 15122 12759 15122 7021 15090 14820 15059 15153 15161 14434 17492 RIPE NCC 52596 45873 49091 0 46576 37658 48991 24767 47110 41596 48121 46978 48832 42472 47975 AfriNIC 2752 2518 2636 0 2671 2019 2630 1361 2635 2272 2642 2654 2643 2169 2355 Old 39241 38134 37528 0 37877 23614 37405 9350 36898 34953 37562 38222 38023 32361 38217 IANA 49 3 3 0 2 2 2 1 2 1 3 49 48 3 3 RFC1918 52 5 26 0 9 0 17 0 0 0 5 0 5 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 249195 233418 237520 0 235177 156443 234579 77654 232494 215560 234939 236895 237036 198989 238652 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 12817 12786 12718 0 12770 8720 12727 4189 12675 11620 12721 12792 12755 11507 12763 APNIC 3048 3027 3004 0 3022 2492 3007 1723 3004 2973 3010 3037 3002 2473 3003 RIPE NCC 10244 10209 10219 0 10220 8499 10183 6368 9864 9092 10203 10223 10214 9492 10179 LACNIC 373 372 365 0 370 330 370 227 364 356 365 371 370 360 372 AFRINIC 67 67 67 0 67 56 67 44 67 67 67 67 67 59 66 IANA 4 4 4 0 4 4 4 4 4 4 4 4 4 4 4 Private 71 36 48 0 60 26 45 14 42 22 32 57 44 29 26 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 26625 26502 26426 0 26514 20127 26404 12569 26021 24135 26403 26552 26456 23925 26413 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4066 5042 4494 0 4632 4342 6270 1670 5246 5741 4893 4856 5213 5254 5770 APNIC 812 1001 959 0 978 1019 1159 763 1121 1207 997 922 1067 977 1193 RIPE NCC 3079 3787 3427 0 3494 3682 4258 3074 3839 4039 3937 3811 3765 3992 4652 LACNIC 145 163 161 0 154 160 184 97 170 181 172 164 177 167 175 AFRINIC 38 39 39 0 40 35 41 27 42 44 41 41 42 35 40 IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 2 2 Private 45 21 31 0 41 12 31 6 27 11 18 39 29 16 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8187 10056 9113 0 9342 9252 11946 5639 10448 11226 10060 9836 10295 10444 11844 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8751 7744 8224 0 8138 4378 6457 2519 7429 5879 7828 7936 7542 6253 6993 APNIC 2236 2026 2045 0 2044 1473 1848 960 1883 1766 2013 2115 1935 1496 1810 RIPE NCC 7165 6422 6792 0 6726 4817 5925 3294 6025 5053 6266 6412 6449 5500 5527 LACNIC 228 209 204 0 216 170 186 130 194 175 193 207 193 193 197 AFRINIC 29 28 28 0 27 21 26 17 25 23 26 26 25 24 26 IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 2 2 Private 26 15 17 0 19 14 14 8 15 11 14 18 15 13 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18438 16446 17313 0 17172 10875 14458 6930 15573 12909 16343 16716 16161 13481 14569 IANA : AS64501 AS65535 AS64001 AS64000 Number of 4-byte ASes: 11. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 22124 22236 22137 0 22183 16427 22251 9606 21895 20258 22207 22252 22253 19918 22378 Transit 4356 4129 4146 0 4177 3241 4009 2095 3966 3583 4060 4160 4073 3751 3916 Transit-only 155 145 146 0 160 462 149 872 163 296 141 146 135 259 124 Total 26635 26510 26429 0 26520 20130 26409 12573 26024 24137 26408 26558 26461 23928 26418 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.32 6.57 5.83 0.00 6.31 6.39 6.30 6.16 6.28 6.43 5.74 6.20 6.95 6.05 6.79 Std 2.74 2.69 2.71 0.00 2.83 2.69 2.85 2.56 2.76 2.79 2.73 2.80 2.70 2.84 2.59 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 5495 10.11.12.0/24 34245 10.11.13.0/24 34245 10.190.0.69/32 3741 10.190.15.1/32 3741 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 10.216.0.0/23 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 10.251.2.60/30 3741 10.251.2.61/32 3741 172.16.0.0/12 5495 172.16.6.66/32 21155 172.16.19.21/32 6295 172.16.19.22/32 6295 172.17.52.128/30 8447 172.17.64.208/30 8447 172.17.65.24/30 8447 172.17.66.96/30 8447 172.20.63.0/25 8447 172.21.1.128/25 8447 172.21.2.0/25 8447 172.21.19.128/25 8447 172.21.125.128/25 8447 172.21.128.0/25 8447 172.21.130.128/25 8447 172.21.199.128/25 8447 172.22.43.0/25 8447 172.22.51.0/25 8447 172.22.62.128/25 8447 172.22.80.128/25 8447 172.28.70.232/32 8447 192.0.2.0/24 2854 192.168.0.0/16 5495 192.168.0.2/32 3741 192.168.2.0/24 34245 192.168.10.0/24 34245 192.168.15.0/24 65000 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 192.168.255.0/24 5495 o List of hot-spots during the week. Prefix Origin AS Number of updates 203.34.88.0/24 18117 3070858 202.169.174.0/23 9264 2774000 209.163.125.0/24 14390 1237741 221.135.22.0/24 9583 428837 221.135.113.0/24 9583 365219 62.24.238.0/24 13285 335256 221.135.80.0/24 9583 316223 210.18.10.0/24 9583 307967 192.96.14.0/24 16637 296804 117.58.192.0/19 7491 293157 Total number of RIS BGP peering sessions: 588