RIS Statistics Report (20080728-20080804)
This report was generated at Mon Aug 4 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 67899 65551 58773 59240 64627 61647 60176 60176 59398 59215 58395 60723 59385 60502 59465 63039
ARIN 95034 93442 88712 89516 90043 91174 90010 92229 89320 90341 89515 90580 90015 90905 92191 90094
LACNIC 22265 19287 19034 19168 19267 19300 19317 19290 19245 19195 19196 19085 19321 19243 22243 19171
RIPE NCC 75573 57152 58826 60841 56653 56460 56560 55298 63609 56836 56667 56409 58736 55983 55901 55842
AfriNIC 1358 1349 1303 1358 1349 1358 1358 1356 1352 1352 1349 1327 1356 1358 1358 1341
Old 44709 42733 41183 42240 42144 42239 42144 41867 41332 41344 41347 41887 42112 42238 42184 42124
IANA 15 11 11 11 1 11 11 11 11 12 11 11 11 11 14 1
RFC1918 57 3 27 0 8 5 4 0 1 8 9 2 3 2 11 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 306910 279528 267869 272374 274092 272194 269580 270227 274268 268303 266489 270024 270939 270242 273367 271612
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 12726 12697 12622 12669 12698 12689 12669 12612 12622 12615 12631 12701 12680 12702 12676 12569
APNIC 3431 3421 3366 3368 3401 3396 3380 3364 3376 3366 3378 3406 3361 3407 3365 3374
RIPE NCC 11916 11883 11872 11858 11879 11867 11872 11819 11875 11865 11874 11880 11873 11864 11826 11839
LACNIC 995 993 986 993 993 992 988 985 986 986 986 992 993 993 994 985
AFRINIC 204 204 202 202 202 202 203 200 202 202 202 203 201 203 201 201
IANA 2 1 2 2 2 2 1 1 2 2 2 2 2 2 1 1
Private 109 83 68 66 75 72 69 21 74 29 68 73 71 32 31 14
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29383 29282 29118 29158 29250 29220 29182 29002 29137 29065 29141 29257 29181 29203 29094 28983
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3943 4583 4549 4949 4639 5321 5420 7704 5608 5569 4680 4464 4893 4557 5843 7758
APNIC 872 1025 1086 1226 1077 1253 1143 1634 1249 1212 1051 1057 1131 1090 1491 1721
RIPE NCC 3676 4510 4292 4701 4277 4953 4435 7226 4669 4647 4486 4421 4451 4551 5857 7122
LACNIC 325 398 406 402 391 400 404 487 416 421 398 389 404 390 407 485
AFRINIC 71 80 77 81 79 86 80 94 84 83 81 82 80 79 88 99
IANA 0 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1
Private 87 69 56 55 65 57 56 16 64 20 60 59 56 23 19 12
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8974 10666 10466 11415 10529 12071 11539 17162 12091 11953 10757 10473 11015 10691 13706 17198
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8783 8114 8073 7720 8059 7368 7249 4908 7014 7046 7951 8237 7787 8145 6833 4811
APNIC 2559 2396 2280 2142 2324 2143 2237 1730 2127 2154 2327 2349 2230 2317 1874 1653
RIPE NCC 8240 7373 7580 7157 7602 6914 7437 4593 7206 7218 7388 7459 7422 7313 5969 4717
LACNIC 670 595 580 591 602 592 584 498 570 565 588 603 589 603 587 500
AFRINIC 133 124 125 121 123 116 123 106 118 119 121 121 121 124 113 102
IANA 2 0 2 1 1 1 0 0 1 1 1 1 2 1 0 0
Private 22 14 12 11 10 15 13 5 10 9 8 14 15 9 12 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20409 18616 18652 17743 18721 17149 17643 11840 17046 17112 18384 18784 18166 18512 15388 11785
IANA : AS64449 AS65535
Number of 4-byte ASes: 13.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24485 24675 24548 24636 24646 24689 24603 24922 24633 24582 24584 24630 24625 24578 24743 25012
Transit 4772 4493 4442 4401 4490 4418 4468 3977 4384 4353 4433 4502 4439 4505 4237 3870
Transit-only 142 125 135 129 119 124 123 109 125 134 129 132 124 131 120 101
Total 29399 29293 29125 29166 29255 29231 29194 29008 29142 29069 29146 29264 29188 29214 29100 28983
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.84 6.08 5.38 6.02 5.31 6.00 5.82 5.39 5.70 6.01 5.35 5.32 6.12 5.22 6.73 4.96
Std 2.39 2.48 2.32 2.49 2.22 2.30 2.46 2.18 2.49 2.33 2.33 2.30 2.32 2.36 2.49 1.62
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/24 44898
10.0.22.0/24 39912
10.10.12.0/24 34245
10.10.13.0/24 34245
10.20.0.0/20 39912
10.20.30.0/30 8342
10.34.35.0/24 12637
10.100.100.100/30 6067
10.128.22.0/23 34245
10.193.3.0/24 34245
10.193.12.128/28 34245
10.193.14.32/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.205.64.0/24 34245
10.205.252.0/24 34245
10.205.255.0/26 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
10.221.3.131/32 1267
10.221.3.132/32 1267
10.221.3.141/32 1267
10.221.3.142/32 1267
172.23.224.0/28 2119
172.25.4.0/24 31501
192.168.1.0/24 65000
192.168.2.0/24 34245
192.168.10.0/24 34245
192.168.103.0/25 65347
192.168.103.128/25 65347
192.168.107.0/24 34245
192.168.108.0/24 29208
192.168.109.0/24 34245
192.168.116.176/29 29208
192.168.117.0/24 34245
192.168.117.192/29 29208
192.168.118.0/24 34245
192.168.119.0/24 34245
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
83.228.71.0/24 8866 784189
192.12.120.0/24 5691 618471
221.134.222.0/24 9583 592812
196.42.0.0/20 10396 379812
62.182.216.0/21 47467 348418
195.47.233.0/24 30850 346257
91.203.160.0/22 47467 343387
84.240.198.0/24 31567 247714
83.239.192.0/21 42362 229378
72.50.96.0/20 10396 222709
Total number of RIS BGP peering sessions: 639