RIS Statistics Report (20080519-20080526)
This report was generated at Mon May 26 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 64337 63568 55712 55877 61679 57925 56801 56603 55939 55084 56799 57454 56140 57787 56102 60977
ARIN 92467 89706 88258 88803 88362 90399 89269 89317 88773 89619 88748 90346 89477 90494 91478 87272
LACNIC 21779 18896 18568 18681 18836 18868 18834 18833 18845 18702 18755 18798 18790 18762 21695 18591
RIPE NCC 97002 55643 55625 59200 55045 55533 54972 53969 88011 54816 54839 55301 55230 54710 54325 53856
AfriNIC 1274 1272 1266 1274 1274 1274 1274 1274 1267 1267 1267 1274 1274 1274 1274 1265
Old 44820 42667 41100 42083 41795 42332 42100 41864 41414 41279 41272 41996 42206 42360 42231 41837
IANA 4 3 1 2 1 2 2 3 2 2 3 2 2 3 3 0
RFC1918 59 4 27 0 12 2 0 0 3 7 2 9 3 2 8 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 321742 271759 260557 265920 267004 266335 263252 261863 294254 260776 261685 265180 263122 265392 267116 263798
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 13395 13359 13283 13330 13364 13352 13354 13266 13281 13274 13295 13370 13343 13366 13340 13230
APNIC 3271 3256 3208 3213 3247 3235 3221 3209 3216 3197 3219 3250 3205 3243 3213 3210
RIPE NCC 11465 11433 11417 11407 11440 11418 11425 11375 11426 11413 11430 11443 11426 11414 11389 11379
LACNIC 470 467 463 468 469 468 467 467 462 463 463 468 468 468 469 462
AFRINIC 104 104 104 104 104 103 104 103 104 103 104 104 104 104 104 103
IANA 3 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2
Private 83 44 34 29 51 36 31 21 29 26 30 43 39 33 27 19
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28792 28666 28512 28553 28678 28615 28605 28443 28520 28478 28543 28682 28587 28631 28544 28405
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4102 4840 4954 5659 4679 5609 5566 7910 5859 5663 4912 4492 5099 4740 5641 7981
APNIC 835 946 1018 1281 975 1147 1030 1571 1152 1090 1038 970 1040 1050 1241 1748
RIPE NCC 3481 4263 4116 4534 3967 4614 4190 6919 4383 4502 4392 4074 4223 4395 5331 6612
LACNIC 187 231 221 223 208 225 230 279 230 228 219 209 226 216 214 255
AFRINIC 34 46 40 46 38 44 42 52 42 45 44 40 42 41 44 55
IANA 3 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2
Private 68 35 30 22 41 25 24 15 25 22 26 38 28 28 19 17
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8710 10364 10381 11767 9911 11667 11085 16748 11693 11552 10633 9827 10660 10473 12492 16670
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9293 8519 8329 7671 8685 7743 7788 5356 7422 7611 8383 8878 8244 8626 7699 5249
APNIC 2436 2310 2190 1932 2272 2088 2191 1638 2064 2107 2181 2280 2165 2193 1972 1462
RIPE NCC 7984 7170 7301 6873 7473 6804 7235 4456 7043 6911 7038 7369 7203 7019 6058 4767
LACNIC 283 236 242 245 261 243 237 188 232 235 244 259 242 252 255 207
AFRINIC 70 58 64 58 66 59 62 51 62 58 60 64 62 63 60 48
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 15 9 4 7 10 11 7 6 4 4 4 5 11 5 8 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20082 18302 18131 16786 18767 16948 17520 11695 16827 16926 17910 18855 17927 18158 16052 11735
IANA : AS64351 AS65535 AS64241
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 24004 24157 24054 24148 24097 24186 24097 24460 24107 24105 24111 24098 24121 24123 24249 24533
Transit 4669 4396 4330 4290 4456 4325 4396 3888 4288 4254 4300 4453 4355 4391 4187 3780
Transit-only 137 123 137 126 137 119 127 106 137 132 145 144 122 134 119 92
Total 28810 28676 28521 28564 28690 28630 28620 28454 28532 28491 28556 28695 28598 28648 28555 28405
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.87 5.99 5.35 5.79 5.65 5.93 5.82 5.37 5.76 6.00 5.46 5.61 6.35 5.22 6.51 4.94
Std 2.37 2.34 2.31 2.26 2.39 2.21 2.47 2.15 2.51 2.32 2.37 2.42 2.44 2.32 2.35 1.57
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.0.70.0/24 31005
10.2.1.0/24 31005
10.2.2.0/30 31005
10.2.2.4/32 31005
10.11.12.0/24 9070
10.20.0.0/20 39912
10.20.30.0/30 8342
10.100.100.100/30 6067
10.128.18.0/23 34245
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
10.205.255.0/27 34245
10.205.255.32/27 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
127.0.0.0/8 34347
172.16.0.0/24 31005
172.17.160.0/24 10796
172.17.161.0/24 10796
172.17.176.0/24 10796
172.17.177.0/24 10796
172.23.224.0/28 2119
172.30.66.0/24 8968
172.30.68.0/24 8968
172.30.94.0/23 8968
172.30.254.0/24 4771
172.31.160.0/19 11060
192.168.0.0/16 39821
192.168.2.0/24 34245
192.168.10.0/24 39821
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
192.168.208.0/23 65101
192.168.249.0/24 65101
o List of hot-spots during the week.
Prefix Origin AS Number of updates
66.254.124.0/24 23352 4128041
213.91.175.0/24 8866 1052492
202.141.0.0/17 2697 843241
192.12.120.0/24 5691 567076
208.5.210.0/24 27246 356299
221.128.192.0/18 18231 302821
149.117.166.0/24 701 271964
193.239.114.0/24 31003 259329
210.92.148.0/24 17834 228145
84.23.102.0/24 34400 219503
Total number of RIS BGP peering sessions: 642