RIS Statistics Report (20081110-20081117)
This report was generated at Mon Nov 17 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 68395 67534 59419 0 59955 61401 61167 60171 59156 58975 59697 60668 62348 60691 59413 63704
ARIN 98008 95721 91936 0 92519 92704 92273 94722 91781 91216 91758 92918 91758 93698 93452 92554
LACNIC 23692 20596 20569 0 20721 20544 20693 20652 20513 20365 20542 20555 20487 20527 23355 20350
RIPE NCC 76877 61936 64587 0 60742 61337 63129 59022 62030 61407 62292 60853 64257 59871 59863 58866
AfriNIC 1676 1601 1663 0 1657 1655 1662 1661 1656 1652 1660 1617 1622 1660 1659 1645
Old 45758 43575 42227 0 42491 42593 42561 42232 41538 41549 41660 42496 42235 42769 42465 42606
IANA 2 2 2 0 2 2 2 2 2 2 2 2 1 2 2 1
RFC1918 503 0 29 0 2 17 441 0 0 2 1 1 1 0 15 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 314911 290965 280432 0 278089 280253 281928 278462 276676 275168 277612 279110 282709 279218 280224 279726
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 12978 12939 12870 0 12939 12927 12909 12853 12870 12864 12879 12933 12911 12952 12918 12803
APNIC 3567 3557 3502 0 3529 3525 3506 3499 3499 3496 3512 3535 3500 3539 3491 3501
RIPE NCC 12429 12405 12386 0 12388 12382 12388 12328 12386 12380 12389 12392 12378 12382 12351 12363
LACNIC 1061 1056 1047 0 1055 1055 1053 1052 1045 1045 1047 1055 1052 1056 1057 1041
AFRINIC 231 230 231 0 229 230 231 227 229 229 231 230 229 231 228 226
IANA 1 1 1 0 0 1 1 0 1 1 1 0 1 0 1 0
Private 116 49 56 0 64 46 51 32 42 37 46 45 33 44 37 26
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 30383 30237 30093 0 30204 30166 30139 29991 30072 30052 30105 30190 30104 30204 30083 29960
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3984 4633 4747 0 4822 5457 5428 7801 5296 5266 4683 4555 4872 4634 5831 7717
APNIC 915 1108 1176 0 1179 1241 1236 1620 1277 1309 1119 1150 1317 1111 1428 1704
RIPE NCC 3789 4589 4375 0 4398 4867 4613 7418 4846 4572 4594 4599 4867 4642 5774 7105
LACNIC 341 414 412 0 398 428 422 506 420 432 410 405 438 406 422 527
AFRINIC 84 93 90 0 94 98 94 110 95 95 94 96 98 94 98 111
IANA 1 1 1 0 0 1 1 0 1 1 1 0 1 0 1 0
Private 84 35 41 0 51 29 33 22 26 23 31 35 19 30 22 21
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9198 10873 10842 0 10942 12121 11827 17477 11961 11698 10932 10840 11612 10917 13576 17185
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8994 8306 8123 0 8117 7470 7481 5052 7574 7598 8196 8378 8039 8318 7087 5086
APNIC 2652 2449 2326 0 2350 2284 2270 1879 2222 2187 2393 2385 2183 2428 2063 1797
RIPE NCC 8640 7816 8011 0 7990 7515 7775 4910 7540 7808 7795 7793 7511 7740 6577 5258
LACNIC 720 642 635 0 657 627 631 546 625 613 637 650 614 650 635 514
AFRINIC 147 137 141 0 135 132 137 117 134 134 137 134 131 137 130 115
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 32 14 15 0 13 17 18 10 16 14 15 10 14 14 15 5
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 21185 19364 19251 0 19262 18045 18312 12514 18111 18354 19173 19350 18492 19287 16507 12775
IANA : AS64511
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 25347 25455 25349 0 25423 25460 25408 25721 25386 25397 25372 25433 25428 25403 25541 25782
Transit 4900 4663 4605 0 4663 4590 4608 4163 4553 4525 4599 4636 4554 4674 4424 4072
Transit-only 153 130 147 0 126 126 132 111 137 135 140 128 126 139 123 111
Total 30400 30248 30101 0 30212 30176 30148 29995 30076 30057 30111 30197 30108 30216 30088 29965
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.76 5.98 5.39 0.00 5.38 6.07 5.68 5.39 5.61 6.00 5.37 5.08 5.90 5.20 6.57 4.93
Std 2.27 2.29 2.27 0.00 2.22 2.20 2.31 2.13 2.33 2.36 2.30 2.06 2.14 2.25 2.31 1.60
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.1.1.1/32 4766
10.20.30.0/30 8342
10.42.0.0/16 12732
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
10.201.64.0/29 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
10.222.255.0/24 12732
172.16.16.101/32 39912
172.25.4.0/24 31501
192.168.1.0/24 12732
192.168.2.0/24 34245
192.168.6.0/24 12732
192.168.10.0/24 34245
192.168.11.0/24 12732
192.168.16.0/24 12732
192.168.17.0/24 12732
192.168.32.0/24 12732
192.168.34.0/24 12732
192.168.50.0/24 25973
192.168.96.0/19 12732
192.168.107.0/24 34245
192.168.108.0/24 34245
192.168.109.0/24 34245
192.168.111.0/24 12732
192.168.112.0/24 12732
192.168.117.0/24 34245
192.168.118.0/24 34245
192.168.119.0/24 34245
192.168.192.0/21 7497
192.168.201.0/24 34245
192.168.242.0/24 12732
o List of hot-spots during the week.
Prefix Origin AS Number of updates
221.134.222.0/24 9583 782189
64.162.116.0/24 5033 598828
210.214.151.0/24 9583 562619
189.70.0.0/19 7738 536524
77.95.144.0/22 29282 524262
221.135.80.0/24 9583 473229
91.209.21.0/24 48131 435991
195.47.233.0/24 30850 365298
8.192.154.0/24 14106 223708
74.209.130.0/23 29798 201379
Total number of RIS BGP peering sessions: 647