RIS Statistics Report (20090309-20090316)
This report was generated at Mon Mar 16 00:15:01 UTC 2009. 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 89497 72889 74207 0 84587 65816 65900 63683 62780 63374 64582 64669 67707 63997 68710 68063
ARIN 116778 96892 96988 0 111234 92355 92769 94485 91567 92201 94062 93501 92913 92556 94636 91956
LACNIC 34758 22156 26158 0 32596 22287 22468 22058 22267 22539 22939 22565 22603 22445 26099 21733
RIPE NCC 355944 63083 118187 0 85683 73734 72611 61690 62795 65796 64532 69439 260910 62598 63629 62475
AfriNIC 3606 2961 3360 0 3570 2976 2993 2977 2982 2985 3045 3020 2979 2992 3035 2960
Old 65901 42985 43906 0 50558 42631 42692 42139 41466 41592 42008 41855 55057 41634 43987 42276
IANA 48 0 37 0 48 1 31 1 1 1 1 33 1 1 1 0
RFC1918 4720 0 6 0 4 5 476 0 1 2 2 7 4238 1 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 671252 300966 362849 0 368280 299805 299940 287033 283859 288490 291171 295089 506408 286224 300109 289463
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 13263 13164 13085 0 13161 13157 13134 12934 13082 13079 13149 13143 13148 13096 13179 13026
APNIC 3701 3682 3625 0 3660 3648 3632 3609 3624 3613 3644 3646 3610 3636 3613 3619
RIPE NCC 13093 13006 13003 0 13013 13003 13009 12900 13012 12998 13044 13048 13015 12998 13015 12973
LACNIC 1110 1099 1090 0 1100 1098 1097 1094 1090 1091 1096 1095 1099 1091 1108 1088
AFRINIC 253 251 252 0 252 253 253 247 251 252 253 252 250 251 249 247
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 93 39 44 0 37 24 25 10 24 31 30 28 37 24 36 20
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 31515 31242 31100 0 31225 31184 31151 30795 31084 31065 31217 31213 31160 31097 31201 30974
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4044 4759 4955 0 4891 5402 5263 7974 5557 5979 5025 5254 4946 5281 7289 8058
APNIC 981 1171 1267 0 1251 1256 1330 1835 1405 1442 1192 1274 1298 1255 1786 1890
RIPE NCC 3953 4831 4743 0 4664 5063 5052 8101 5104 5065 4903 4885 4634 5317 7562 7696
LACNIC 352 437 442 0 420 430 443 555 461 469 424 437 433 445 482 543
AFRINIC 81 96 90 0 92 98 90 114 98 103 93 90 95 94 105 123
IANA 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
Private 73 28 38 0 33 15 18 9 18 24 22 25 28 19 27 17
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9485 11322 11535 0 11352 12264 12196 18588 12643 13082 11659 11965 11434 12411 17251 18327
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9219 8405 8130 0 8270 7755 7871 4960 7525 7100 8124 7889 8202 7815 5890 4968
APNIC 2720 2511 2358 0 2409 2392 2302 1774 2219 2171 2452 2372 2312 2381 1827 1729
RIPE NCC 9140 8175 8260 0 8349 7940 7957 4799 7908 7933 8141 8163 8381 7681 5453 5277
LACNIC 758 662 648 0 680 668 654 539 629 622 672 658 666 646 626 545
AFRINIC 172 155 162 0 160 155 163 133 153 149 160 162 155 157 144 124
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 20 11 6 0 4 9 7 1 6 7 8 3 9 5 9 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 22030 19920 19565 0 19873 18920 18955 12207 18441 17983 19558 19248 19726 18686 13950 12647
IANA : AS65535
Number of 4-byte ASes: 21.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 26197 26348 26260 0 26334 26361 26300 26449 26288 26307 26291 26332 26273 26333 26652 26721
Transit 5175 4772 4707 0 4768 4700 4723 4217 4665 4627 4793 4742 4751 4632 4432 4143
Transit-only 162 132 145 0 133 135 141 131 139 140 145 142 145 144 125 114
Total 31534 31252 31112 0 31235 31196 31164 30797 31092 31074 31229 31216 31169 31109 31209 30978
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.79 6.01 5.35 0.00 5.26 6.05 5.61 5.39 5.52 5.86 5.46 5.26 6.22 5.15 7.02 4.93
Std 2.60 2.68 2.55 0.00 2.26 2.49 2.75 2.81 2.67 2.60 2.72 2.51 2.58 2.48 2.99 2.08
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 6067
10.0.32.0/22 35807
10.2.0.0/16 35807
10.3.0.0/16 35807
10.8.0.0/14 35807
10.20.30.0/30 8342
10.22.0.0/16 35807
10.23.0.0/24 35807
10.33.0.0/16 35807
10.54.0.0/16 35807
10.65.160.0/22 35807
10.65.164.0/22 35807
10.72.0.0/16 35807
10.78.77.0/24 35807
10.78.78.0/24 35807
10.94.0.0/16 35807
10.95.207.0/24 35807
10.95.208.0/22 35807
10.95.212.0/22 35807
10.95.216.0/22 35807
10.100.100.100/30 6067
10.128.0.0/13 35807
10.129.32.0/19 35807
10.129.64.0/20 35807
10.130.0.0/16 35807
10.131.0.0/16 35807
10.150.0.0/16 35807
10.152.0.0/16 35807
10.158.0.0/16 35807
10.160.0.0/16 35807
10.160.128.0/17 35807
10.206.0.0/16 35807
10.220.0.0/16 35807
10.255.150.0/23 8546
172.16.0.0/16 8546
172.20.70.192/30 4766
172.30.157.0/26 8968
192.168.0.1/32 35807
192.168.1.0/30 8426
192.168.1.85/32 35807
192.168.11.0/29 31323
192.168.100.0/24 35807
192.168.128.0/17 35807
192.168.199.196/30 13237
192.168.252.0/24 8527
o List of hot-spots during the week.
Prefix Origin AS Number of updates
41.204.2.0/24 32398 575501
199.45.13.0/24 46653 434272
217.69.180.0/24 29357 280099
86.104.125.0/24 39107 263694
194.110.240.0/24 42778 201400
212.85.220.0/24 30306 185137
212.85.223.0/24 30306 183445
206.72.224.0/19 6312 125762
194.213.9.0/24 29466 109190
121.101.184.0/24 7717 102231
Total number of RIS BGP peering sessions: 642