RIS Statistics Report (20080908-20080915)
This report was generated at Mon Sep 15 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 67220 66601 57917 58748 64228 60495 59710 59585 58572 58376 58818 59831 58341 58505 58662 62840
ARIN 95314 93608 88837 89854 90353 89871 90293 92031 89555 89472 89275 90522 89826 89049 92288 90172
LACNIC 22741 20058 19722 19939 20053 19984 20118 19984 20039 19909 19797 19723 19855 19837 22580 19732
RIPE NCC 77322 58819 58085 62227 58213 58000 57885 55866 65442 58116 57459 57891 58243 56582 56858 56565
AfriNIC 1455 1444 1432 1445 1443 1433 1450 1440 1444 1443 1433 1410 1438 1435 1439 1428
Old 45434 43531 41362 42701 42429 42323 42536 42008 41752 41652 41458 42129 42134 41432 42405 42318
IANA 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
RFC1918 207 145 29 0 5 5 2 0 1 6 5 9 2 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 309694 284206 267384 274914 276724 272111 271994 270914 276805 268974 268245 271515 269839 266840 274246 273055
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 12840 12806 12704 12779 12806 12762 12774 12696 12730 12728 12714 12776 12759 12712 12769 12650
APNIC 3494 3482 3416 3427 3461 3447 3440 3413 3430 3424 3428 3460 3407 3431 3421 3413
RIPE NCC 12096 12066 12024 12042 12062 12018 12059 11972 12059 12049 12020 12032 12018 12013 12004 11999
LACNIC 1019 1018 1004 1015 1017 1011 1013 1004 1006 1008 1003 1012 1011 1004 1016 1002
AFRINIC 222 222 218 221 221 219 222 217 221 221 218 219 218 218 220 218
IANA 4 1 1 4 2 1 3 2 3 2 1 1 2 2 2 1
Private 101 44 26 58 44 29 57 14 47 47 24 28 31 26 22 19
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29777 29639 29393 29546 29613 29488 29569 29318 29496 29479 29408 29528 29446 29406 29454 29302
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3992 4627 4937 4947 4670 5564 5463 8028 5531 4986 4862 4647 5103 5111 6424 8007
APNIC 873 1034 1203 1208 1127 1251 1183 1648 1237 1205 1128 1117 1217 1201 1489 1849
RIPE NCC 3697 4554 4599 4683 4366 5018 4464 7731 4625 4486 4855 4689 4784 5039 6526 7161
LACNIC 341 413 423 407 389 432 413 528 414 418 413 411 447 429 433 513
AFRINIC 77 86 84 85 94 89 85 105 86 91 87 91 91 84 107 108
IANA 2 0 0 2 1 0 2 2 2 1 0 0 1 1 2 0
Private 76 31 18 41 35 19 37 9 29 36 19 22 20 18 15 14
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9059 10745 11264 11373 10682 12374 11648 18051 11924 11223 11364 10977 11663 11883 14996 17652
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8848 8179 7767 7832 8136 7198 7311 4668 7199 7742 7852 8129 7656 7601 6345 4643
APNIC 2621 2448 2213 2219 2334 2196 2257 1765 2193 2219 2300 2343 2190 2230 1932 1564
RIPE NCC 8399 7512 7425 7359 7696 7000 7595 4241 7434 7563 7165 7343 7234 6974 5478 4838
LACNIC 678 605 581 608 628 579 600 476 592 590 590 601 564 575 583 489
AFRINIC 145 136 134 136 127 130 137 112 135 130 131 128 127 134 113 110
IANA 2 1 1 2 1 1 1 0 1 1 1 1 1 1 0 1
Private 25 13 8 17 9 10 20 5 18 11 5 6 11 8 7 5
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20718 18894 18129 18173 18931 17114 17921 11267 17572 18256 18044 18551 17783 17523 14458 11650
IANA : AS64449 AS64444 AS64121 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 24771 24936 24831 24899 24909 24951 24862 25237 24870 24853 24874 24895 24922 24897 25107 25243
Transit 4841 4574 4428 4490 4583 4424 4551 3973 4478 4473 4407 4504 4404 4383 4230 3954
Transit-only 161 136 135 144 126 117 143 109 151 137 127 132 122 130 119 108
Total 29773 29646 29394 29533 29618 29492 29556 29319 29499 29463 29408 29531 29448 29410 29456 29305
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.70 6.05 5.13 5.93 5.33 5.86 5.80 5.21 5.77 5.91 5.10 5.00 5.68 4.97 6.42 5.00
Std 2.32 2.41 2.21 2.38 2.24 2.21 2.46 2.08 2.54 2.34 2.19 2.08 2.13 2.23 2.37 1.73
o List of martians appearing throughout the week.
Prefix Origin AS
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
10.56.0.0/13 35008
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
10.201.64.0/29 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
172.17.160.0/24 10796
172.17.161.0/24 10796
172.17.176.0/24 10796
172.17.177.0/24 10796
172.23.9.52/32 8953
172.23.224.0/28 2119
172.25.4.0/24 31501
172.31.160.0/19 11060
192.168.2.0/24 34245
192.168.10.0/24 34245
192.168.100.0/24 34245
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
192.168.200.0/24 34245
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.132.0.0/19 8151 2454320
189.70.0.0/19 7738 2454314
174.148.0.0/17 10507 2454310
174.150.0.0/17 10507 2454310
174.146.0.0/17 10507 2454310
189.152.0.0/19 8151 1750228
83.228.71.0/24 8866 440843
192.12.120.0/24 5691 363994
221.134.222.0/24 9583 336662
210.214.151.0/24 9583 317257
Total number of RIS BGP peering sessions: 640