RIS Statistics Report (20080630-20080707)
This report was generated at Mon Jul 7 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 67582 66359 58037 58490 64245 61303 59308 59363 58395 57629 59244 59964 58522 59754 58639 63058
ARIN 94254 92375 87644 88402 89020 90277 88787 91160 87795 89462 89226 89547 88838 89891 91251 89048
LACNIC 21902 18842 18797 18935 18876 19008 18988 19009 18945 18927 18682 18745 19059 18963 21879 18754
RIPE NCC 72415 57005 56628 60441 56171 56263 55988 54697 62975 56309 55955 56296 55988 55544 55488 55165
AfriNIC 1282 1274 1273 1281 1272 1281 1281 1280 1275 1275 1275 1280 1281 1282 1282 1271
Old 44619 42675 40957 41996 42009 42174 41953 41740 41061 41228 41281 41917 42019 42135 42042 41947
IANA 6 5 3 4 1 5 5 4 4 4 4 2 5 4 5 0
RFC1918 50 2 21 0 11 9 3 0 1 11 2 1 0 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 302110 278537 263360 269549 271605 270320 266313 267253 270451 264845 265669 267752 265712 267573 270599 269243
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 12641 12615 12536 12575 12616 12598 12584 12523 12530 12536 12547 12616 12596 12620 12599 12495
APNIC 3411 3399 3345 3347 3379 3375 3357 3342 3348 3337 3355 3386 3342 3382 3347 3344
RIPE NCC 11820 11791 11778 11760 11793 11771 11776 11729 11783 11772 11785 11793 11777 11775 11746 11752
LACNIC 985 982 975 982 981 981 981 977 973 976 975 982 982 982 983 970
AFRINIC 206 204 203 199 203 199 201 197 200 198 201 201 200 201 200 199
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Private 76 41 29 25 46 31 29 17 22 30 29 31 34 30 30 16
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29141 29033 28868 28889 29019 28956 28929 28786 28857 28850 28893 29010 28932 28991 28906 28777
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3964 4569 4704 5612 4695 5329 5095 7868 5750 4716 4776 4439 5044 4651 5115 7777
APNIC 842 964 1083 1351 1059 1203 1100 1569 1229 1111 1059 1025 1120 1059 1241 1627
RIPE NCC 3702 4442 4391 5215 4309 4830 4433 7248 4779 4515 4707 4381 4539 4532 5571 6960
LACNIC 309 400 404 403 371 398 383 489 424 393 399 376 390 383 360 479
AFRINIC 77 82 82 88 84 85 86 96 83 86 86 83 84 83 87 106
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Private 53 29 21 16 32 20 17 12 17 22 20 22 23 21 22 13
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8948 10486 10686 12685 10550 11865 11114 17282 12282 10843 11047 10326 11200 10729 12396 16963
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8677 8046 7832 6963 7921 7269 7489 4655 6780 7820 7771 8177 7552 7969 7484 4718
APNIC 2569 2435 2262 1996 2320 2172 2257 1773 2119 2226 2296 2361 2222 2323 2106 1717
RIPE NCC 8118 7349 7387 6545 7484 6941 7343 4481 7004 7257 7078 7412 7238 7243 6175 4792
LACNIC 676 582 571 579 610 583 598 488 549 583 576 606 592 599 623 491
AFRINIC 129 122 121 111 119 114 115 101 117 112 115 118 116 118 113 93
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
Private 23 12 8 9 14 11 12 5 5 8 9 9 11 9 8 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20193 18547 18182 16204 18469 17091 17815 11504 16575 18007 17846 18684 17732 18262 16510 11814
IANA : 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 24293 24457 24369 24514 24425 24491 24408 24753 24436 24385 24413 24420 24452 24418 24561 24806
Transit 4725 4460 4373 4264 4476 4363 4411 3937 4301 4347 4362 4466 4362 4456 4237 3871
Transit-only 134 121 132 114 125 108 116 99 122 122 122 128 121 125 111 99
Total 29152 29038 28874 28892 29026 28962 28935 28789 28859 28854 28897 29014 28935 28999 28909 28776
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.91 6.31 5.33 5.88 5.40 5.98 5.84 5.42 5.61 6.16 5.36 5.39 6.19 5.26 6.80 4.98
Std 2.38 2.46 2.28 2.38 2.27 2.23 2.37 2.19 2.42 2.26 2.38 2.34 2.37 2.35 2.39 1.65
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.10.10.0/30 8342
10.10.12.0/24 34245
10.10.13.0/24 34245
10.16.145.0/24 24938
10.20.0.0/20 39912
10.20.30.0/30 8342
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
10.205.252.0/24 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
10.221.3.114/32 1267
10.221.3.115/32 1267
10.221.3.122/32 1267
10.221.3.123/32 1267
10.221.3.125/32 1267
10.221.3.126/32 1267
10.221.3.147/32 1267
10.221.3.148/32 1267
10.255.150.0/23 8546
172.16.0.0/16 8546
172.16.130.32/27 30936
172.23.224.0/28 2119
172.30.254.0/24 4771
192.168.1.0/30 8196
192.168.109.0/24 34245
o List of hot-spots during the week.
Prefix Origin AS Number of updates
83.228.71.0/24 8866 593208
221.134.222.0/24 9583 459876
192.12.120.0/24 5691 458132
210.214.128.0/23 9583 322298
210.214.26.0/24 9583 221970
210.214.144.0/24 9583 201929
81.21.104.0/24 31065 140628
200.46.233.0/24 27786 136273
221.128.192.0/18 18231 135805
194.110.241.0/24 42040 131357
Total number of RIS BGP peering sessions: 642