RIS Statistics Report (20081124-20081201)
This report was generated at Mon Dec 1 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 70950 70111 59963 0 65273 63199 62816 63073 60142 61857 62611 61773 63706 61722 61590 64517
ARIN 97903 97078 91526 0 92653 92265 92408 94539 92029 91179 91908 93232 92177 93815 92500 92947
LACNIC 23818 21029 20577 0 20787 20689 20815 20793 20690 20593 20746 20698 20685 20728 23327 20556
RIPE NCC 90809 61916 73692 0 60018 61822 63076 59292 63550 62123 61581 63035 63733 60305 60219 59108
AfriNIC 1695 1666 1677 0 1670 1675 1683 1682 1677 1676 1682 1664 1667 1681 1676 1659
Old 45983 43817 41821 0 42610 42673 42631 42261 42098 41694 41775 42878 42426 42891 41552 42654
IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 2 2 2
RFC1918 683 0 30 0 1 196 441 0 3 1 0 1 0 0 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 331843 295619 289288 0 283014 282521 283872 281642 280191 279125 280305 283283 284396 281144 280878 281443
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 13027 12997 12882 0 12960 12943 12923 12867 12878 12883 12894 12967 12937 12963 12845 12829
APNIC 3596 3587 3525 0 3554 3551 3533 3523 3521 3521 3535 3556 3515 3563 3477 3516
RIPE NCC 12536 12509 12476 0 12476 12474 12483 12422 12475 12476 12481 12482 12464 12470 12440 12441
LACNIC 1066 1063 1051 0 1061 1060 1055 1052 1048 1052 1052 1060 1059 1060 1047 1047
AFRINIC 235 234 235 0 234 234 235 231 233 234 235 235 233 235 231 231
IANA 2 1 1 0 2 1 1 1 1 1 1 1 1 1 1 0
Private 109 53 43 0 48 37 29 22 30 30 37 38 27 37 21 26
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 30572 30444 30214 0 30335 30300 30260 30118 30186 30198 30236 30339 30236 30330 30062 30090
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4103 4813 5003 0 4875 5637 5610 7987 5653 4996 4910 4687 5135 4882 6497 7970
APNIC 922 1123 1182 0 1172 1250 1259 1759 1313 1211 1134 1154 1345 1143 1427 1840
RIPE NCC 3821 4578 4495 0 4510 4902 4590 7428 4893 4498 4635 4625 4837 4780 5894 7316
LACNIC 361 421 424 0 421 424 424 509 444 430 422 415 443 414 462 530
AFRINIC 82 93 86 0 95 95 88 106 94 94 90 94 95 92 99 116
IANA 2 1 1 0 2 1 1 1 1 1 1 1 1 1 1 0
Private 82 35 32 0 36 18 20 11 21 20 25 30 16 25 16 21
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9374 11064 11224 0 11111 12327 11993 17801 12419 11251 11218 11006 11872 11338 14396 17793
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8924 8184 7879 0 8085 7306 7313 4880 7225 7887 7984 8280 7802 8081 6348 4859
APNIC 2674 2464 2343 0 2382 2301 2274 1764 2208 2310 2401 2402 2170 2420 2050 1676
RIPE NCC 8715 7931 7981 0 7966 7572 7893 4994 7582 7978 7846 7857 7627 7690 6546 5125
LACNIC 705 642 627 0 640 636 631 543 604 622 630 645 616 646 585 517
AFRINIC 153 141 149 0 139 139 147 125 139 140 145 141 138 143 132 115
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 27 18 11 0 12 19 9 11 9 10 12 8 11 12 5 5
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21198 19380 18990 0 19224 17973 18267 12317 17767 18947 19018 19333 18364 18992 15666 12297
IANA : AS64441 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 25505 25611 25468 0 25565 25582 25516 25875 25535 25478 25498 25566 25569 25531 25619 25919
Transit 4927 4705 4599 0 4649 4582 4618 4125 4514 4578 4594 4644 4542 4663 4320 4067
Transit-only 153 138 150 0 133 142 133 121 139 143 147 136 129 145 126 110
Total 30585 30454 30217 0 30347 30306 30267 30121 30188 30199 30239 30346 30240 30339 30065 30096
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.77 6.10 5.32 0.00 5.25 6.04 5.65 5.33 5.67 5.89 5.40 5.11 6.06 5.22 6.68 4.92
Std 2.31 2.35 2.28 0.00 2.13 2.22 2.31 2.14 2.35 2.25 2.36 2.10 2.36 2.30 2.41 1.61
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.2.0.0/24 174
10.3.0.0/16 174
10.4.0.0/24 174
10.4.255.0/24 174
10.7.239.0/24 174
10.7.240.0/24 174
10.7.255.0/24 174
10.18.3.0/24 174
10.20.30.0/30 8342
10.21.16.0/24 174
10.24.0.0/16 174
10.24.1.0/24 174
10.24.2.0/24 174
10.24.3.0/24 174
10.24.4.0/24 174
10.24.5.0/24 174
10.24.7.0/24 174
10.24.8.0/24 174
10.24.9.0/24 174
10.24.10.0/24 174
10.24.12.0/24 174
10.24.13.0/24 174
10.24.14.0/24 174
10.24.15.0/24 174
10.24.16.0/24 174
10.24.17.0/24 174
10.24.18.0/24 174
10.24.19.0/24 174
10.24.20.0/24 174
10.24.21.0/24 174
10.24.130.0/24 174
10.24.131.0/24 174
10.24.136.0/24 174
10.24.138.0/24 174
10.24.140.0/24 174
10.24.142.0/24 174
10.24.144.0/24 174
10.24.146.0/24 174
10.24.147.0/24 174
10.24.152.0/24 174
10.24.153.0/24 174
10.25.1.0/24 174
10.25.10.0/24 174
10.25.12.0/24 174
10.25.15.0/24 174
10.25.16.0/24 174
10.25.17.0/24 174
10.25.19.0/24 174
10.25.20.0/24 174
10.25.21.0/24 174
10.27.0.0/23 174
10.28.0.0/24 174
10.28.1.0/24 174
10.28.4.0/24 174
10.28.5.0/24 174
10.28.6.0/24 174
10.28.8.0/23 174
10.28.10.0/23 174
10.28.12.0/23 174
10.28.14.0/23 174
10.28.16.0/23 174
10.28.18.0/23 174
10.28.20.0/23 174
10.28.22.0/23 174
10.28.24.0/23 174
10.28.26.0/23 174
10.28.28.0/23 174
10.28.30.0/23 174
10.28.32.0/23 174
10.28.34.0/23 174
10.28.36.0/23 174
10.28.38.0/23 174
10.28.40.0/23 174
10.28.42.0/23 174
10.28.44.0/23 174
10.28.46.0/23 174
10.28.48.0/23 174
10.28.50.0/23 174
10.28.52.0/23 174
10.28.54.0/23 174
10.28.58.0/23 174
10.28.62.0/23 174
10.28.64.0/23 174
10.28.66.0/23 174
10.28.68.0/23 174
10.28.70.0/23 174
10.28.72.0/23 174
10.28.74.0/23 174
10.28.76.0/23 174
10.28.82.0/23 174
10.28.84.0/23 174
10.28.86.0/23 174
10.28.88.0/23 174
10.28.90.0/23 174
10.28.92.0/23 174
10.28.96.0/23 174
10.28.98.0/23 174
10.28.100.0/23 174
10.28.102.0/23 174
10.28.104.0/23 174
10.28.108.0/23 174
10.28.110.0/23 174
10.28.112.0/23 174
10.28.114.0/23 174
10.28.116.0/23 174
10.28.118.0/23 174
10.28.122.0/23 174
10.28.124.0/23 174
10.28.128.0/23 174
10.28.130.0/23 174
10.28.132.0/23 174
10.28.134.0/23 174
10.28.136.0/23 174
10.28.138.0/23 174
10.28.140.0/23 174
10.28.148.0/23 174
10.28.152.0/23 174
10.28.158.0/23 174
10.28.164.0/23 174
10.28.172.0/23 174
10.28.174.0/23 174
10.28.180.0/23 174
10.28.182.0/23 174
10.28.186.0/23 174
10.28.188.0/23 174
10.28.190.0/23 174
10.28.194.0/23 174
10.28.196.0/23 174
10.28.206.0/23 174
10.28.208.0/23 174
10.28.210.0/23 174
10.28.212.0/23 174
10.28.214.0/23 174
10.28.216.0/23 174
10.28.218.0/23 174
10.28.248.0/23 174
10.28.252.0/22 174
10.29.0.0/16 174
10.29.41.0/24 174
10.29.213.0/24 174
10.30.0.0/16 174
10.30.8.0/23 174
10.30.68.0/24 174
10.31.68.0/23 174
10.33.0.0/24 174
10.33.1.0/24 174
10.33.2.0/24 174
10.33.4.0/24 174
10.33.6.0/24 174
10.33.8.0/24 174
10.33.10.0/24 174
10.33.12.0/24 174
10.33.15.0/24 174
10.33.17.0/24 174
10.33.20.0/24 174
10.33.22.0/24 174
10.33.23.0/24 174
10.33.51.0/24 174
10.33.52.0/24 174
10.33.53.0/24 174
10.33.54.0/24 174
10.33.65.0/24 174
10.34.28.0/24 174
10.100.100.100/30 6067
10.111.33.0/24 6730
10.116.2.0/23 6730
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
10.200.50.0/24 174
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
172.28.1.0/24 174
192.168.2.0/24 34245
192.168.10.0/24 34245
192.168.11.0/29 31323
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
192.168.130.0/24 174
192.168.131.0/24 174
192.168.132.0/24 174
192.168.133.0/24 174
192.168.134.0/24 174
192.168.136.0/24 174
192.168.137.0/24 174
192.168.138.0/24 174
192.168.139.0/24 174
192.168.140.0/24 174
192.168.141.0/24 174
192.168.142.0/24 174
192.168.143.0/24 174
192.168.144.0/24 174
192.168.145.0/24 174
192.168.147.0/24 174
192.168.150.0/24 174
192.168.151.0/24 174
192.168.152.0/24 174
192.168.153.0/24 174
192.168.154.0/24 174
192.168.155.0/24 174
192.168.156.0/24 174
192.168.192.0/21 7497
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 691623
41.204.2.0/24 32398 610204
77.235.128.0/19 15412 608869
210.214.151.0/24 9583 479590
124.7.201.0/24 9583 464584
77.95.144.0/22 29282 443643
221.135.80.0/24 9583 355746
41.232.84.0/24 8452 195134
74.209.130.0/23 29798 130989
202.83.176.0/21 24228 117820
Total number of RIS BGP peering sessions: 648