RIS Statistics Report (20080421-20080428)
This report was generated at Mon Apr 28 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 62832 57254 55535 55429 61211 57448 56265 56163 54972 54659 56441 0 0 56822 55617 60640
ARIN 90502 87907 86693 87246 87601 88815 87467 87810 87065 87931 86929 0 0 88665 89809 86758
LACNIC 23638 18252 18043 18102 18158 18183 18096 18160 18139 18081 18007 0 0 18096 23569 18032
RIPE NCC 68369 54711 53918 57715 53808 53924 53569 52771 60547 53633 53425 0 0 53240 53075 53019
AfriNIC 1220 1215 1212 1218 1211 1218 1218 1218 1218 1218 1218 0 0 1218 1218 1215
Old 43623 41800 40722 41650 41420 41801 41489 41458 40806 40797 40764 0 0 41660 41716 41514
IANA 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
RFC1918 52 1 26 0 11 9 1 0 0 5 2 0 0 0 7 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 290237 261140 256149 261360 263420 261398 258105 257580 262747 256324 256786 0 0 259701 265012 261178
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 13296 13272 13193 13241 13260 13261 13260 13168 13190 13172 13189 0 0 13271 13249 13136
APNIC 3236 3227 3190 3188 3219 3212 3199 3181 3192 3175 3197 0 0 3219 3187 3185
RIPE NCC 11361 11345 11322 11304 11321 11314 11317 11271 11323 11307 11315 0 0 11312 11287 11280
LACNIC 456 453 449 453 455 454 453 451 448 447 450 0 0 455 455 447
AFRINIC 103 103 102 102 102 101 102 101 102 101 102 0 0 102 101 101
IANA 2 2 2 2 2 2 2 2 2 2 2 0 0 2 2 2
Private 82 59 42 34 49 49 37 20 45 36 37 0 0 34 32 22
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28537 28461 28301 28324 28408 28393 28370 28194 28302 28240 28293 0 0 28395 28313 28173
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4156 4607 4794 5609 4755 5360 5346 7969 5343 6417 5034 0 0 4637 5205 8060
APNIC 799 922 993 1314 966 1127 1089 1582 1063 1204 1028 0 0 1039 1175 1749
RIPE NCC 3511 3992 3938 4562 3901 4536 4205 6634 4332 4661 4471 0 0 4221 5168 6609
LACNIC 177 207 205 213 198 211 211 258 209 233 216 0 0 207 196 250
AFRINIC 43 46 46 48 45 46 44 51 45 48 46 0 0 44 46 57
IANA 2 2 2 2 2 2 2 2 2 2 2 0 0 2 2 2
Private 59 41 30 24 40 37 27 17 35 27 28 0 0 28 23 21
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8747 9817 10008 11772 9907 11319 10924 16513 11029 12592 10826 0 0 10178 11815 16748
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9140 8665 8399 7632 8505 7901 7914 5199 7847 6755 8155 0 0 8634 8044 5076
APNIC 2437 2305 2197 1874 2253 2085 2110 1599 2129 1971 2169 0 0 2180 2012 1436
RIPE NCC 7850 7353 7384 6742 7420 6778 7112 4637 6991 6646 6844 0 0 7091 6119 4671
LACNIC 279 246 244 240 257 243 242 193 239 214 234 0 0 248 259 197
AFRINIC 60 57 56 54 57 55 58 50 57 53 56 0 0 58 55 44
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 23 18 12 10 9 12 10 3 10 9 9 0 0 6 9 1
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 19790 18644 18293 16552 18501 17074 17446 11681 17273 15648 17467 0 0 18217 16498 11425
IANA : AS64351 AS64241
Number of 4-byte ASes: 15.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 23789 23859 23781 23937 23831 23960 23852 24205 23863 23912 23871 0 0 23857 23988 24307
Transit 4626 4487 4387 4271 4452 4327 4401 3895 4316 4207 4294 0 0 4417 4216 3780
Transit-only 136 127 140 121 132 115 127 99 130 127 135 0 0 132 115 87
Total 28551 28473 28308 28329 28415 28402 28380 28199 28309 28246 28300 0 0 28406 28319 28174
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 6.06 6.59 5.64 5.93 5.77 6.01 5.95 5.46 5.91 6.44 5.76 0.00 0.00 5.41 6.66 4.96
Std 2.51 2.65 2.48 2.40 2.51 2.27 2.55 2.26 2.50 2.51 2.49 0.00 0.00 2.44 2.45 1.60
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.1.6.0/24 9270
10.2.3.0/24 9270
10.2.4.0/24 9270
10.20.0.0/20 39912
10.20.30.0/30 8342
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
10.193.14.64/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.205.255.0/27 34245
10.205.255.32/27 34245
10.216.0.0/23 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
172.16.11.0/24 8447
172.17.160.0/24 10796
172.17.161.0/24 10796
172.17.176.0/24 10796
172.17.177.0/24 10796
172.30.254.0/24 4771
172.31.0.128/30 4766
172.31.1.48/30 4766
172.31.160.0/19 11060
192.168.2.0/24 34245
192.168.10.0/24 34245
192.168.88.0/24 7560
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
Can not connect to DB rrc14
Total number of RIS BGP peering sessions: 631