RIS Statistics Report (20090323-20090330)
This report was generated at Mon Mar 30 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 75714 73789 0 0 63884 65868 64547 63776 63746 63527 63032 65209 0 62946 69225 68373
ARIN 102764 98084 0 0 93718 94909 93828 95137 94716 92455 93528 94930 0 91686 95628 93164
LACNIC 25336 21834 0 0 21875 21819 21925 21738 21780 21766 21549 21788 0 21409 25295 21681
RIPE NCC 184912 64068 0 0 64172 75446 64473 61761 166286 66563 63197 65246 0 62154 64585 62987
AfriNIC 3166 3047 0 0 3038 3073 3081 3057 3083 3070 3046 3092 0 3035 3150 3078
Old 45895 43077 0 0 42227 42491 42287 41853 41679 41406 41245 41617 0 41068 44103 42223
IANA 5 3 0 0 2 2 3 2 5 3 2 3 0 1 1 2
RFC1918 387 0 0 0 3 373 2 0 1 55 56 3 0 2 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 438179 303902 0 0 288919 303981 290146 287324 391296 288845 285655 291888 0 282301 301999 291508
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 13322 13194 0 0 13189 13179 13166 12983 13115 13119 13088 13134 0 13087 13254 13059
APNIC 3729 3705 0 0 3669 3677 3658 3631 3653 3643 3635 3668 0 3636 3647 3645
RIPE NCC 13182 13082 0 0 13072 13076 13073 12959 13080 13068 13036 13093 0 13011 13123 13046
LACNIC 1119 1102 0 0 1104 1099 1097 1095 1089 1093 1093 1095 0 1092 1115 1091
AFRINIC 256 253 0 0 253 253 253 246 252 253 250 254 0 249 251 247
IANA 1 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0
Private 98 58 0 0 39 30 33 22 34 33 28 39 0 22 41 24
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 31708 31396 0 0 31328 31315 31281 30937 31224 31210 31131 31285 0 31098 31432 31113
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4139 4746 0 0 4790 5452 5431 7841 5488 5637 5195 4846 0 5384 6488 7820
APNIC 1014 1157 0 0 1215 1272 1265 1836 1404 1393 1297 1204 0 1332 1572 1842
RIPE NCC 4077 4802 0 0 4714 5154 5003 8140 5112 5073 5451 4663 0 5966 7101 7595
LACNIC 363 430 0 0 418 424 424 543 450 449 453 413 0 473 453 535
AFRINIC 90 101 0 0 99 107 98 119 106 108 103 97 0 109 107 126
IANA 1 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0
Private 72 44 0 0 27 18 22 12 23 21 18 29 0 14 27 19
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9756 11281 0 0 11264 12427 12243 18491 12583 12681 12517 11253 0 13278 15748 17937
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9183 8448 0 0 8399 7727 7735 5142 7627 7482 7893 8288 0 7703 6766 5239
APNIC 2715 2548 0 0 2454 2405 2393 1795 2249 2250 2338 2464 0 2304 2075 1803
RIPE NCC 9105 8280 0 0 8358 7922 8070 4819 7968 7995 7585 8430 0 7045 6022 5451
LACNIC 756 672 0 0 686 675 673 552 639 644 640 682 0 619 662 556
AFRINIC 166 152 0 0 154 146 155 127 146 145 147 157 0 140 144 121
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 26 14 0 0 12 12 11 10 11 12 10 10 0 8 14 5
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21952 20115 0 0 20064 18888 19038 12446 18641 18529 18614 20032 0 17820 15684 13176
IANA : AS65535
Number of 4-byte ASes: 25.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 26414 26450 0 0 26410 26451 26380 26562 26399 26387 26402 26359 0 26472 26753 26804
Transit 5150 4817 0 0 4784 4729 4761 4232 4682 4676 4581 4774 0 4493 4554 4189
Transit-only 162 142 0 0 142 143 145 144 147 149 150 161 0 137 132 124
Total 31726 31409 0 0 31336 31323 31286 30938 31228 31212 31133 31294 0 31102 31439 31117
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.78 6.21 0.00 0.00 5.14 6.05 5.65 5.38 5.50 5.86 5.03 5.48 0.00 4.69 6.86 4.92
Std 2.37 2.39 0.00 0.00 2.17 2.25 2.42 2.19 2.44 2.32 2.18 2.34 0.00 2.00 2.55 1.63
o List of martians appearing throughout the week.
Prefix Origin AS
10.1.10.19/32 29208
10.255.150.0/23 8546
172.16.0.0/16 8546
172.16.160.24/30 29208
172.16.172.100/30 29208
172.16.172.104/29 29208
172.16.172.160/29 29208
172.16.172.176/29 29208
172.16.172.188/30 29208
172.16.172.208/30 29208
172.16.172.212/30 29208
172.16.172.228/30 29208
172.16.172.236/30 29208
172.16.172.240/29 29208
172.16.173.16/30 29208
172.16.173.20/30 29208
172.16.173.144/29 29208
172.16.173.152/29 29208
172.16.173.168/30 29208
172.16.173.176/28 29208
172.16.173.192/29 29208
172.16.173.200/30 29208
172.16.173.204/30 29208
172.16.173.208/28 29208
172.16.175.144/28 29208
172.16.176.128/29 29208
172.16.176.160/28 29208
172.16.176.184/30 29208
172.16.176.224/28 29208
172.16.176.248/29 29208
172.16.177.0/24 29208
172.16.178.16/29 29208
172.16.178.24/29 29208
172.16.178.40/29 29208
172.16.178.48/30 29208
172.16.178.64/27 29208
172.16.178.144/29 29208
172.16.178.160/29 29208
172.16.178.176/30 29208
172.16.178.180/30 29208
172.16.178.184/30 29208
172.16.178.224/28 29208
172.16.178.240/28 29208
172.16.179.0/26 29208
172.16.179.64/30 29208
172.16.179.68/30 29208
172.16.179.76/30 29208
172.16.179.80/28 29208
172.16.179.96/28 29208
172.16.179.224/29 29208
172.16.180.64/29 29208
172.16.180.80/28 29208
172.16.180.208/28 29208
172.16.180.224/29 29208
172.16.180.248/30 29208
172.16.180.252/30 29208
172.16.182.0/24 29208
172.16.183.120/29 29208
172.16.183.128/29 29208
172.16.183.144/28 29208
172.16.183.184/29 29208
172.16.183.192/27 29208
172.16.183.224/27 29208
172.16.184.0/27 29208
172.16.184.24/29 29208
172.16.184.40/29 29208
172.16.184.64/28 29208
172.16.184.128/27 29208
172.16.184.180/30 29208
172.16.184.184/29 29208
172.16.184.192/27 29208
172.16.184.224/28 29208
172.16.185.0/28 29208
172.16.185.16/29 29208
172.16.185.32/29 29208
172.16.185.56/29 29208
172.16.185.64/27 29208
172.16.185.104/29 29208
172.16.185.128/29 29208
172.16.185.144/28 29208
172.16.188.96/28 29208
172.16.188.112/29 29208
172.16.189.128/27 29208
172.16.189.176/28 29208
172.16.189.200/30 29208
172.16.189.232/29 29208
172.16.189.240/28 29208
172.16.190.0/25 29208
172.16.190.128/28 29208
172.16.190.176/28 29208
172.16.190.192/30 29208
172.16.190.200/30 29208
172.22.1.18/32 1267
172.22.2.17/32 1267
172.22.2.132/32 1267
172.22.3.43/32 1267
172.22.3.62/32 1267
172.22.3.116/32 1267
172.22.3.158/32 1267
172.22.3.159/32 1267
172.22.4.76/32 1267
172.22.4.231/32 1267
172.22.5.10/32 1267
172.22.6.40/32 1267
172.22.6.251/32 1267
172.22.7.24/32 1267
172.22.7.124/32 1267
172.22.7.194/32 1267
172.22.7.195/32 1267
172.22.7.225/32 1267
172.22.7.228/32 1267
172.22.8.22/32 1267
172.22.8.39/32 1267
172.22.8.228/32 1267
172.22.8.248/32 1267
172.22.9.51/32 1267
172.22.9.65/32 1267
172.22.9.129/32 1267
172.22.9.200/32 1267
172.22.9.203/32 1267
172.22.9.244/32 1267
172.22.9.245/32 1267
172.22.10.7/32 1267
172.22.10.129/32 1267
172.22.10.141/32 1267
172.22.10.142/32 1267
172.22.10.144/32 1267
172.22.10.162/32 1267
172.22.10.163/32 1267
172.22.10.223/32 1267
172.22.10.244/32 1267
172.22.10.248/32 1267
172.22.11.4/32 1267
172.22.11.8/32 1267
172.22.11.30/32 1267
172.22.11.51/32 1267
172.22.11.69/32 1267
172.22.11.73/32 1267
172.22.11.102/32 1267
172.22.11.113/32 1267
172.22.11.118/32 1267
172.22.13.48/32 1267
172.22.13.59/32 1267
172.22.13.67/32 1267
172.22.13.108/32 1267
172.30.157.0/26 8968
192.168.0.0/24 6730
192.168.6.0/24 5606
192.168.16.12/32 29208
192.168.16.13/32 29208
192.168.20.0/24 6730
192.168.46.48/29 29208
192.168.67.0/24 29208
192.168.68.0/24 29208
192.168.69.0/24 29208
192.168.71.0/24 29208
192.168.72.0/24 29208
192.168.73.0/24 29208
192.168.74.0/24 29208
192.168.76.0/24 29208
192.168.80.0/24 29208
192.168.82.0/24 29208
192.168.87.0/29 29208
192.168.87.44/30 29208
192.168.87.64/30 29208
192.168.87.168/29 29208
192.168.87.184/30 29208
192.168.87.192/30 29208
192.168.87.200/29 29208
192.168.87.224/30 29208
192.168.92.0/24 29208
192.168.104.0/24 29208
192.168.105.0/24 29208
192.168.109.0/24 29208
192.168.111.0/24 29208
192.168.112.0/24 29208
192.168.113.0/24 29208
192.168.115.0/24 29208
192.168.116.0/30 29208
192.168.116.44/30 29208
192.168.116.48/28 29208
192.168.116.64/30 29208
192.168.116.72/30 29208
192.168.116.76/30 29208
192.168.116.104/30 29208
192.168.116.116/30 29208
192.168.116.124/30 29208
192.168.116.128/30 29208
192.168.116.140/30 29208
192.168.116.148/30 29208
192.168.116.160/29 29208
192.168.116.168/30 29208
192.168.116.196/30 29208
192.168.116.240/30 29208
192.168.116.244/30 29208
192.168.116.248/30 29208
192.168.117.0/30 29208
192.168.117.12/30 29208
192.168.117.20/30 29208
192.168.117.32/30 29208
192.168.117.40/30 29208
192.168.117.64/30 29208
192.168.117.88/30 29208
192.168.117.96/29 29208
192.168.117.124/30 29208
192.168.117.136/29 29208
192.168.117.144/30 29208
192.168.117.164/30 29208
192.168.117.168/30 29208
192.168.117.176/29 29208
192.168.117.232/30 29208
192.168.117.244/30 29208
192.168.117.252/30 29208
192.168.119.36/30 29208
192.168.119.44/30 29208
192.168.119.80/30 29208
192.168.119.84/30 29208
192.168.119.88/29 29208
192.168.119.104/30 29208
192.168.119.108/30 29208
192.168.119.112/29 29208
192.168.119.132/30 29208
192.168.119.152/30 29208
192.168.119.160/30 29208
192.168.119.164/30 29208
192.168.119.192/29 29208
192.168.119.204/30 29208
192.168.119.212/30 29208
192.168.119.232/29 29208
192.168.120.32/30 29208
192.168.120.48/30 29208
192.168.120.56/29 29208
192.168.120.88/29 29208
192.168.120.108/30 29208
192.168.120.128/29 29208
192.168.120.136/30 29208
192.168.120.152/29 29208
192.168.120.160/29 29208
192.168.120.180/30 29208
192.168.120.184/30 29208
192.168.120.204/30 29208
192.168.120.208/29 29208
192.168.120.216/29 29208
192.168.120.224/29 29208
192.168.120.236/30 29208
192.168.121.8/29 29208
192.168.121.16/29 29208
192.168.121.32/29 29208
192.168.121.40/29 29208
192.168.121.48/29 29208
192.168.121.64/29 29208
192.168.121.76/30 29208
192.168.121.88/29 29208
192.168.121.108/30 29208
192.168.121.120/29 29208
192.168.121.152/29 29208
192.168.121.184/29 29208
192.168.121.192/29 29208
192.168.121.216/29 29208
192.168.130.0/29 29208
192.168.130.8/29 29208
192.168.130.32/29 29208
192.168.130.40/29 29208
192.168.130.64/30 29208
192.168.130.68/30 29208
192.168.130.72/29 29208
192.168.130.116/30 29208
192.168.130.144/29 29208
192.168.130.164/30 29208
192.168.130.184/29 29208
192.168.130.224/29 29208
192.168.130.240/29 29208
192.168.130.248/29 29208
192.168.131.0/24 29208
192.168.133.8/29 29208
192.168.133.80/29 29208
192.168.133.120/29 29208
192.168.133.128/30 29208
192.168.133.132/30 29208
192.168.133.136/30 29208
192.168.133.144/30 29208
192.168.133.152/30 29208
192.168.133.156/30 29208
192.168.133.164/30 29208
192.168.133.184/30 29208
192.168.133.208/29 29208
192.168.133.224/29 29208
192.168.138.24/29 29208
192.168.138.32/29 29208
192.168.138.64/29 29208
192.168.138.72/29 29208
192.168.138.120/29 29208
192.168.138.136/30 29208
192.168.138.144/29 29208
192.168.138.172/30 29208
192.168.138.184/30 29208
192.168.138.208/29 29208
192.168.138.216/29 29208
192.168.138.240/29 29208
192.168.143.16/29 29208
192.168.143.32/29 29208
192.168.143.64/29 29208
192.168.143.100/30 29208
192.168.143.120/29 29208
192.168.143.152/29 29208
192.168.143.240/29 29208
192.168.146.0/24 29208
192.168.147.48/30 29208
192.168.147.56/29 29208
192.168.147.64/29 29208
192.168.147.112/29 29208
192.168.147.120/29 29208
192.168.147.176/29 29208
192.168.149.0/24 29208
192.168.152.0/24 29208
192.168.164.0/24 29208
192.168.166.0/24 29208
192.168.167.0/24 29208
192.168.171.0/24 29208
192.168.176.0/24 29208
192.168.177.32/29 29208
192.168.177.76/30 29208
192.168.177.104/29 29208
192.168.177.172/30 29208
192.168.177.176/29 29208
192.168.177.184/29 29208
192.168.177.192/29 29208
192.168.177.200/29 29208
192.168.177.208/29 29208
192.168.177.216/29 29208
192.168.177.232/30 29208
192.168.177.248/29 29208
192.168.183.0/24 29208
192.168.186.0/24 29208
192.168.192.0/24 29208
192.168.199.196/30 13237
192.168.201.0/24 29208
192.168.202.0/24 29208
192.168.208.0/24 29208
192.168.210.0/24 29208
192.168.211.0/24 29208
192.168.212.0/24 29208
192.168.213.0/24 29208
192.168.214.0/24 29208
192.168.215.0/24 29208
192.168.216.0/24 29208
192.168.219.0/24 29208
192.168.229.0/24 29208
192.168.232.0/24 29208
192.168.233.0/24 29208
192.168.234.4/30 29208
192.168.234.8/29 29208
192.168.234.32/29 29208
192.168.234.40/30 29208
192.168.234.84/30 29208
192.168.234.88/29 29208
192.168.246.0/24 29208
192.168.247.0/24 29208
192.168.249.0/24 29208
192.168.250.0/24 29208
192.168.252.0/24 29208
192.168.253.11/32 29208
192.168.253.12/32 29208
192.168.253.13/32 29208
192.168.253.14/32 29208
192.168.253.15/32 29208
192.168.253.16/32 29208
192.168.253.17/32 29208
192.168.253.18/32 29208
192.168.253.19/32 29208
192.168.253.20/32 29208
192.168.253.21/32 29208
192.168.253.101/32 29208
192.168.253.102/32 29208
192.168.253.103/32 29208
o List of hot-spots during the week.
Prefix Origin AS Number of updates
41.204.2.0/24 32398 418621
199.45.13.0/24 46653 327864
217.69.180.0/24 29357 195354
194.110.240.0/24 42778 136493
203.101.87.0/24 9498 127735
12.33.218.0/24 23181 116140
121.101.184.0/24 7717 96424
202.154.60.0/22 4434 84198
77.77.163.0/24 47874 79544
66.150.122.0/24 11820 66666
Total number of RIS BGP peering sessions: 636