RIS Statistics Report (20080825-20080901)
This report was generated at Mon Sep 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 68432 66241 59084 57511 63857 61968 60220 60370 59352 59246 59988 60712 58114 60692 58244 62628
ARIN 99698 93645 89239 89207 90278 90288 90292 92439 89620 94164 96025 90663 93547 91324 92387 90334
LACNIC 23132 19773 19527 19356 19669 19748 19775 19740 19686 19598 19691 19466 19686 19695 23062 19548
RIPE NCC 77069 58307 57967 60978 57717 57157 57389 55957 64917 57714 59682 57741 57827 56853 56446 56356
AfriNIC 1433 1390 1424 1407 1399 1423 1431 1424 1422 1426 1426 1387 1424 1427 1419 1388
Old 45336 43228 41647 42442 42573 42553 42518 42236 41712 41785 41896 42294 42307 42674 42610 42594
IANA 6 1 3 1 0 3 2 2 3 4 3 2 3 2 4 0
RFC1918 178 0 7 0 7 5 3 0 1 7 142 11 1 2 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 315284 282585 268898 270902 275500 273145 271630 272168 276713 273944 278853 272276 272909 272669 274185 272848
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 12816 12788 12717 12712 12785 12774 12760 12699 12710 12707 12725 12785 12766 12797 12755 12659
APNIC 3472 3460 3406 3384 3442 3436 3418 3396 3412 3402 3417 3443 3390 3449 3396 3410
RIPE NCC 12045 12009 12006 11949 12004 11995 12003 11943 12007 11992 12006 12014 11997 11995 11959 11967
LACNIC 1018 1013 1005 1010 1014 1014 1013 1004 1006 1006 1007 1016 1015 1015 1014 1000
AFRINIC 216 215 215 215 215 215 216 213 215 215 215 216 215 216 214 213
IANA 4 1 3 3 1 3 3 2 4 2 4 4 4 3 1 1
Private 77 44 31 13 45 32 33 16 40 29 35 37 34 32 27 16
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29648 29530 29383 29286 29506 29469 29446 29273 29394 29353 29409 29515 29421 29507 29366 29266
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4014 4604 4551 5940 4679 5379 5038 7955 5505 5536 4710 4490 4860 4679 6286 8079
APNIC 896 1033 1146 1463 1130 1268 1195 1661 1230 1290 1092 1079 1165 1108 1478 1808
RIPE NCC 3691 4551 4347 5499 4379 4949 4590 7475 4690 4735 4464 4455 4565 4703 6262 7109
LACNIC 337 414 400 451 408 410 415 489 424 427 401 403 420 398 427 507
AFRINIC 71 83 78 94 86 86 81 97 85 87 80 80 86 80 94 102
IANA 2 0 1 2 0 1 1 1 2 1 2 2 2 1 0 0
Private 55 30 20 7 35 21 22 13 30 19 24 27 19 25 18 14
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9066 10715 10543 13456 10717 12114 11342 17691 11966 12095 10773 10536 11117 10994 14565 17619
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8802 8184 8166 6772 8106 7395 7722 4744 7205 7171 8015 8295 7906 8118 6469 4580
APNIC 2576 2427 2260 1921 2312 2168 2223 1735 2182 2112 2325 2364 2225 2341 1918 1602
RIPE NCC 8354 7458 7659 6450 7625 7046 7413 4468 7317 7257 7542 7559 7432 7292 5697 4858
LACNIC 681 599 605 559 606 604 598 515 582 579 606 613 595 617 587 493
AFRINIC 145 132 137 121 129 129 135 116 130 128 135 136 129 136 120 111
IANA 2 1 2 1 1 2 2 1 2 1 2 2 2 2 1 1
Private 22 14 11 6 10 11 11 3 10 10 11 10 15 7 9 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20582 18815 18840 15830 18789 17355 18104 11582 17428 17258 18636 18979 18304 18513 14801 11647
IANA : AS64449 AS64441 AS64444 AS65535
Number of 4-byte ASes: 12.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24688 24837 24722 24913 24847 24886 24801 25130 24810 24824 24774 24818 24833 24827 25002 25204
Transit 4817 4567 4517 4261 4533 4461 4520 4036 4446 4394 4493 4558 4457 4547 4250 3948
Transit-only 156 133 151 114 131 131 132 110 141 139 148 144 135 143 118 113
Total 29661 29537 29390 29288 29511 29478 29453 29276 29397 29357 29415 29520 29425 29517 29370 29265
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.82 6.00 5.51 5.62 5.27 5.99 5.80 5.36 5.70 5.98 5.43 5.42 6.17 5.24 6.53 4.95
Std 2.38 2.40 2.41 2.28 2.20 2.26 2.45 2.15 2.49 2.36 2.41 2.37 2.36 2.36 2.38 1.63
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/16 65003
10.0.22.0/24 39912
10.20.0.0/20 39912
10.20.30.0/30 8342
10.24.1.0/24 10796
10.24.14.0/24 10796
10.205.65.0/24 34245
10.205.252.0/24 34245
10.216.0.0/15 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
172.16.100.1/32 6461
172.17.100.0/28 6461
172.17.160.0/19 10796
172.17.161.0/24 10796
172.17.176.0/24 10796
172.17.177.0/24 10796
172.17.180.0/24 6461
172.17.181.128/30 6461
172.17.181.132/30 6461
172.17.181.140/30 6461
172.17.181.168/30 6461
172.17.181.172/30 6461
172.17.181.180/30 6461
172.17.181.208/30 6461
172.17.181.212/30 6461
172.17.183.0/24 6461
172.17.186.0/29 6461
172.17.186.8/29 6461
172.17.186.16/29 6461
172.17.186.24/29 6461
172.17.186.40/29 6461
172.17.186.48/29 6461
172.17.186.56/29 6461
172.17.186.64/29 6461
172.17.186.72/29 6461
172.17.186.80/29 6461
172.17.186.88/29 6461
172.17.186.96/29 6461
172.17.186.104/29 6461
172.17.186.112/29 6461
172.17.186.120/29 6461
172.17.186.128/29 6461
172.17.186.136/29 6461
172.17.186.144/29 6461
172.17.186.152/29 6461
172.17.186.160/29 6461
172.17.186.168/29 6461
172.17.186.176/29 6461
172.17.188.0/29 6461
172.17.190.0/30 6461
172.17.190.144/29 6461
172.17.190.152/29 6461
172.17.191.0/29 6461
172.17.191.8/29 6461
172.17.191.16/29 6461
172.17.191.24/29 6461
172.17.191.32/29 6461
172.17.194.0/24 6461
172.17.194.128/29 6461
172.17.195.0/24 6461
172.17.196.0/24 6461
172.17.198.0/28 6461
172.17.198.80/28 6461
172.17.200.0/29 6461
172.17.200.8/29 6461
172.17.201.0/24 6461
172.17.205.0/26 6461
172.17.215.0/24 6461
172.17.218.0/24 6461
172.17.219.16/29 6461
172.17.219.64/28 6461
172.17.219.80/29 6461
172.17.221.0/24 6461
172.17.222.0/29 6461
172.17.222.16/29 6461
172.17.222.48/29 6461
172.17.222.56/29 6461
172.17.222.64/29 6461
172.17.223.70/32 6461
172.17.223.78/32 6461
172.17.229.0/24 6461
172.17.234.0/29 6461
172.17.234.8/29 6461
172.17.234.16/29 6461
172.17.234.24/29 6461
172.17.234.192/27 6461
172.17.235.0/29 6461
172.17.235.8/29 6461
172.17.235.16/29 6461
172.17.235.24/29 6461
172.17.238.0/29 6461
172.17.238.8/29 6461
172.17.238.16/29 6461
172.17.238.24/29 6461
172.17.238.32/29 6461
172.17.238.40/29 6461
172.17.238.56/29 6461
172.17.238.64/29 6461
172.17.238.72/29 6461
172.17.238.80/29 6461
172.17.238.96/29 6461
172.17.239.0/24 6461
172.17.241.0/24 6461
172.17.250.0/29 6461
172.17.250.8/29 6461
172.17.250.24/29 6461
172.17.250.40/29 6461
172.17.250.48/29 6461
172.17.250.56/29 6461
172.17.250.64/29 6461
172.17.250.152/29 6461
172.17.250.160/29 6461
172.17.250.168/29 6461
172.17.252.0/24 6461
172.17.253.32/29 6461
172.17.253.40/29 6461
172.17.253.48/28 6461
172.17.253.96/29 6461
172.17.253.104/29 6461
172.17.253.128/29 6461
172.17.253.136/29 6461
172.17.253.168/29 6461
172.17.255.32/27 6461
172.17.255.64/29 6461
172.17.255.72/29 6461
172.17.255.104/29 6461
172.23.224.0/28 2119
172.24.16.34/32 6461
172.25.4.0/24 31501
172.27.0.0/28 6461
172.27.0.16/28 6461
172.27.0.33/32 6461
172.27.0.34/32 6461
172.27.0.35/32 6461
172.27.0.36/32 6461
172.27.0.37/32 6461
172.27.0.38/32 6461
172.27.0.39/32 6461
172.27.0.40/32 6461
172.27.0.41/32 6461
172.27.0.42/32 6461
172.27.0.64/29 6461
172.27.0.72/29 6461
172.31.160.0/19 11060
192.168.1.0/24 6461
192.168.10.0/30 6461
192.168.10.4/30 6461
192.168.17.0/24 6461
192.168.17.76/30 6461
192.168.56.0/24 6461
192.168.75.4/32 6461
192.168.100.0/24 34245
192.168.103.0/25 65347
192.168.103.128/25 65347
192.168.199.0/24 25467
192.168.200.0/24 34245
192.168.201.0/24 6461
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.132.0.0/19 8151 4547457
189.152.0.0/19 8151 4547445
89.38.98.0/23 6663 1237320
89.39.147.0/24 6663 1212371
86.105.182.0/24 6663 909397
83.228.71.0/24 8866 715046
192.12.120.0/24 5691 571861
221.134.222.0/24 9583 534033
210.210.112.0/24 9583 507941
221.135.80.0/24 9583 483716
Total number of RIS BGP peering sessions: 640