RIS Statistics Report (20080811-20080818)
This report was generated at Mon Aug 18 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 67698 66975 58566 59116 63862 61419 60075 60052 59017 58878 59588 59466 58928 60477 59279 62552
ARIN 95439 93429 88770 89913 90013 91610 90438 92635 89721 90723 89945 90864 90154 91382 92407 90285
LACNIC 22650 19430 19111 19306 19475 19389 19388 19366 19399 19258 19330 19396 19367 19347 22614 19391
RIPE NCC 74490 57313 57210 60972 56587 56687 56643 55284 63684 56824 56793 57203 57088 56087 55874 55906
AfriNIC 1393 1368 1349 1393 1378 1387 1393 1391 1387 1388 1388 1364 1377 1393 1391 1370
Old 45032 43008 41330 42569 42291 42578 42474 42180 41647 41631 41657 42141 41926 42579 42331 42418
IANA 7 2 3 3 2 3 3 3 2 3 3 3 3 3 5 1
RFC1918 62 0 28 0 5 6 2 0 1 6 6 13 1 2 12 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 306771 281525 266367 273272 273613 273079 270416 270911 274858 268711 268710 270450 268844 271270 273913 271923
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 12760 12731 12656 12701 12731 12720 12694 12637 12653 12648 12672 12737 12690 12738 12700 12605
APNIC 3451 3434 3378 3384 3420 3416 3402 3378 3386 3380 3394 3422 3369 3427 3379 3381
RIPE NCC 11987 11952 11937 11919 11945 11929 11939 11877 11942 11930 11942 11951 11935 11930 11893 11908
LACNIC 1008 1006 997 1006 1008 1004 1004 998 997 997 998 1006 1002 1006 1004 995
AFRINIC 212 211 210 211 211 211 212 208 211 211 211 211 210 212 210 209
IANA 3 1 1 3 2 2 2 2 2 2 2 3 2 2 1 1
Private 109 75 54 58 69 64 63 16 61 25 61 69 58 26 25 15
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29530 29410 29233 29282 29386 29346 29316 29116 29252 29193 29280 29399 29266 29341 29212 29114
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3952 4615 4577 5096 4631 5453 5481 7863 5621 5548 4715 4446 5092 4664 6557 7861
APNIC 854 1000 1099 1245 1090 1236 1127 1631 1202 1213 1039 1058 1176 1088 1551 1705
RIPE NCC 3710 4560 4450 4924 4405 5063 4627 7529 4800 4808 4612 4516 4736 4677 6245 7201
LACNIC 338 412 417 413 402 420 415 490 429 429 402 406 422 405 410 506
AFRINIC 79 89 85 89 89 90 88 103 92 90 89 87 90 89 96 106
IANA 2 1 1 2 1 2 2 2 2 2 2 2 2 2 1 1
Private 69 63 47 49 61 54 52 10 52 17 50 36 49 17 18 12
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9004 10740 10676 11818 10679 12318 11792 17628 12198 12107 10909 10551 11567 10942 14878 17392
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8808 8116 8079 7605 8100 7267 7213 4774 7032 7100 7957 8291 7598 8074 6143 4744
APNIC 2597 2434 2279 2139 2330 2180 2275 1747 2184 2167 2355 2364 2193 2339 1828 1676
RIPE NCC 8277 7392 7487 6995 7540 6866 7312 4348 7142 7122 7330 7435 7199 7253 5648 4707
LACNIC 670 594 580 593 606 584 589 508 568 568 596 600 580 601 594 489
AFRINIC 133 122 125 122 122 121 124 105 119 121 122 124 120 123 114 103
IANA 1 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0
Private 40 12 7 9 8 10 11 6 9 8 11 33 9 9 7 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20526 18670 18557 17464 18707 17028 17524 11488 17054 17086 18371 18848 17699 18399 14334 11722
IANA : AS64449 AS65535 AS64209
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 24596 24773 24649 24752 24755 24814 24714 25025 24737 24686 24691 24726 24751 24696 24858 25088
Transit 4794 4519 4457 4404 4510 4417 4489 3986 4387 4379 4457 4537 4398 4522 4239 3924
Transit-only 149 122 128 128 125 121 118 106 129 127 133 140 118 129 116 100
Total 29539 29414 29234 29284 29390 29352 29321 29117 29253 29192 29281 29403 29267 29347 29213 29112
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.80 6.09 5.29 6.04 5.36 5.96 5.75 5.35 5.62 5.99 5.43 5.26 5.93 5.17 6.69 4.99
Std 2.35 2.39 2.24 2.47 2.25 2.26 2.40 2.16 2.42 2.35 2.41 2.23 2.25 2.36 2.44 1.67
o List of martians appearing throughout the week.
Prefix Origin AS
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
10.24.1.0/24 10796
10.24.14.0/24 10796
10.80.1.0/24 5390
10.100.15.0/24 12739
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
10.205.65.0/24 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
172.16.0.0/16 8546
172.23.224.0/28 2119
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 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
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.148.0.0/19 8151 3132514
189.152.0.0/19 8151 2840504
189.132.0.0/19 8151 981815
89.38.98.0/23 6663 942780
89.39.147.0/24 6663 735254
83.228.71.0/24 8866 721254
192.12.120.0/24 5691 589762
221.134.222.0/24 9583 556886
196.42.0.0/20 10396 371100
195.47.233.0/24 30850 322265
Total number of RIS BGP peering sessions: 640