RIS Statistics Report (20081201-20081208)
This report was generated at Mon Dec 8 00:15:02 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 71870 71117 60959 0 0 63593 64349 62478 61288 61055 61923 62398 64745 63226 60793 64926
ARIN 101901 100683 92807 0 0 93606 94506 94912 93618 92474 94758 94976 93934 95178 94127 93332
LACNIC 23921 20964 20701 0 0 20856 21166 20949 20876 20716 20897 20773 20866 20845 23453 20694
RIPE NCC 88105 62502 76951 0 0 60379 62364 58944 60123 61538 60486 60822 64561 59746 59669 59466
AfriNIC 1731 1631 1656 0 0 1656 1715 1658 1668 1655 1671 1661 1666 1657 1655 1644
Old 45911 43996 42069 0 0 42920 43129 42536 42033 41937 42095 42820 42645 43293 41809 42777
IANA 41 2 39 0 0 3 4 3 3 4 3 37 1 3 3 1
RFC1918 93 0 33 0 0 22 24 0 0 22 21 19 23 0 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 333573 300895 295215 0 0 283035 287257 281480 279609 279401 281854 283506 288441 283948 281521 282840
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 13042 12999 12915 0 0 12970 12964 12904 12919 12912 12927 12991 12974 12993 12877 12850
APNIC 3598 3586 3531 0 0 3556 3540 3526 3537 3526 3541 3565 3526 3573 3487 3528
RIPE NCC 12587 12546 12535 0 0 12529 12552 12472 12537 12528 12535 12532 12532 12522 12488 12497
LACNIC 1066 1063 1054 0 0 1062 1057 1055 1054 1054 1054 1060 1061 1062 1048 1048
AFRINIC 241 241 241 0 0 241 241 238 240 240 241 241 239 241 238 236
IANA 1 1 1 0 0 1 1 0 1 1 1 0 1 1 0 0
Private 105 43 41 0 0 35 36 16 26 28 34 42 37 32 24 20
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 30640 30479 30318 0 0 30394 30391 30211 30314 30289 30333 30431 30370 30424 30162 30179
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4006 4553 4843 0 0 5537 5600 7396 5326 5015 4781 4618 4791 4763 6575 7882
APNIC 903 1087 1190 0 0 1232 1294 1633 1268 1268 1138 1140 1245 1128 1638 1843
RIPE NCC 3819 4502 4516 0 0 4991 4710 7431 4847 4559 4715 4707 4595 4921 6171 7295
LACNIC 346 406 410 0 0 435 415 488 423 424 402 414 424 405 465 533
AFRINIC 75 86 82 0 0 93 87 108 90 90 92 98 92 88 98 118
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 79 28 35 0 0 18 20 10 19 19 29 32 21 27 17 16
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9228 10662 11076 0 0 12306 12126 17066 11973 11375 11157 11009 11168 11332 14964 17687
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9036 8446 8072 0 0 7433 7364 5508 7593 7897 8146 8373 8183 8230 6302 4968
APNIC 2695 2499 2341 0 0 2324 2246 1893 2269 2258 2403 2425 2281 2445 1849 1685
RIPE NCC 8768 8044 8019 0 0 7538 7842 5041 7690 7969 7820 7825 7937 7601 6317 5202
LACNIC 720 657 644 0 0 627 642 567 631 630 652 646 637 657 583 515
AFRINIC 166 155 159 0 0 148 154 130 150 150 149 143 147 153 140 118
IANA 1 1 1 0 0 1 1 0 1 1 1 0 1 1 0 0
Private 26 15 6 0 0 17 16 6 7 9 5 10 16 5 7 4
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21412 19817 19242 0 0 18088 18265 13145 18341 18914 19176 19422 19202 19092 15198 12492
IANA : AS65535
Number of 4-byte ASes: 14.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 25523 25583 25518 0 0 25647 25591 25881 25561 25561 25546 25627 25571 25589 25711 25990
Transit 4979 4773 4657 0 0 4617 4664 4214 4608 4583 4648 4671 4660 4708 4324 4083
Transit-only 155 135 151 0 0 139 143 119 147 149 144 141 144 139 130 112
Total 30657 30491 30326 0 0 30403 30398 30214 30316 30293 30338 30439 30375 30436 30165 30185
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.94 6.32 5.43 0.00 0.00 6.12 5.67 5.42 5.81 5.93 5.45 5.19 6.33 5.27 6.75 4.93
Std 2.39 2.44 2.36 0.00 0.00 2.22 2.37 2.15 2.44 2.37 2.38 2.16 2.41 2.33 2.39 1.64
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/30 8468
10.0.22.0/24 39912
10.2.0.0/16 44640
10.20.30.0/30 8342
10.98.64.0/18 44640
10.100.100.100/30 6067
10.193.3.0/24 34245
10.193.12.128/28 34245
10.193.13.112/28 34245
10.193.14.32/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.193.14.224/28 34245
10.193.14.240/28 34245
10.201.64.0/29 34245
10.205.64.0/24 34245
10.205.65.0/24 34245
10.205.252.0/24 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
172.22.0.216/32 1267
172.22.3.124/32 1267
172.22.6.26/32 1267
172.22.6.103/32 1267
172.22.6.171/32 1267
172.22.6.241/32 1267
172.22.7.77/32 1267
172.22.9.204/32 1267
172.22.10.123/32 1267
172.22.10.175/32 1267
172.22.10.246/32 1267
172.22.10.250/32 1267
172.22.11.27/32 1267
172.22.11.124/32 1267
172.22.11.183/32 1267
172.22.11.248/32 1267
172.22.12.3/32 1267
172.22.12.19/32 1267
172.22.12.33/32 1267
172.22.12.119/32 1267
172.22.12.120/32 1267
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
192.168.201.0/24 34245
192.168.202.0/24 34245
192.168.203.0/24 34245
o List of hot-spots during the week.
Prefix Origin AS Number of updates
221.134.222.0/24 9583 740978
41.204.2.0/24 32398 644565
124.7.201.0/24 9583 507793
210.214.151.0/24 9583 501604
212.85.220.0/24 30306 465242
212.85.223.0/24 30306 464393
77.95.144.0/22 29282 439242
221.135.80.0/24 9583 368814
64.162.116.0/24 5033 314969
118.95.130.0/23 9583 157763
Total number of RIS BGP peering sessions: 648