RIS Statistics Report (20080609-20080616)
This report was generated at Mon Jun 16 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 65414 63897 55908 56296 62000 58244 57123 57925 56325 55515 57166 57821 56344 57751 56472 61532
ARIN 96251 91380 89762 90381 88702 89872 88834 91051 87995 89189 89412 89849 88856 91337 93229 88934
LACNIC 21461 18651 18379 18536 18573 18596 18598 18581 18550 18507 18513 18541 18617 18531 21440 18555
RIPE NCC 72131 55985 56469 59560 55338 55471 55705 54144 62971 55182 56032 56434 55651 54879 54648 54741
AfriNIC 1252 1251 1245 1252 1251 1252 1252 1252 1244 1245 1245 1251 1252 1252 1252 1244
Old 44389 42342 41033 41950 41581 41833 41712 41617 40928 41130 41209 41683 41866 42031 41942 41804
IANA 5 2 2 2 2 3 2 2 2 3 2 2 3 2 3 2
RFC1918 58 0 18 0 5 14 2 0 1 4 1 8 0 1 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 300961 273508 262816 267977 267452 265285 263228 264572 268016 260775 263580 265589 262589 265784 268999 266812
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 13445 13404 13318 13371 13396 13399 13368 13313 13321 13319 13346 13405 13371 13419 13387 13271
APNIC 3301 3289 3239 3240 3273 3265 3250 3235 3248 3232 3250 3279 3234 3277 3239 3242
RIPE NCC 11561 11532 11524 11504 11527 11513 11520 11468 11517 11518 11529 11532 11519 11515 11484 11488
LACNIC 478 475 470 475 476 474 474 473 470 469 470 475 475 476 476 469
AFRINIC 106 106 106 106 106 106 106 106 106 106 106 106 106 106 106 105
IANA 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Private 82 47 33 34 46 38 34 21 36 31 30 36 40 31 31 18
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28976 28855 28693 28732 28826 28797 28754 28618 28700 28677 28733 28835 28747 28826 28725 28595
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4129 4787 4884 5395 4888 5549 5598 7786 5632 5669 4828 4680 5522 4711 5701 8062
APNIC 849 960 1043 1220 1047 1207 1051 1558 1169 1133 1026 1009 1156 1043 1268 1719
RIPE NCC 3689 4378 4307 4766 4269 4905 4472 6974 4701 4858 4500 4262 4546 4473 5452 6779
LACNIC 192 231 222 224 217 229 229 276 233 244 219 214 235 223 226 271
AFRINIC 40 47 47 48 49 48 46 52 46 50 47 45 47 47 50 59
IANA 1 2 1 2 1 1 1 2 1 1 2 1 1 1 1 2
Private 64 37 25 24 38 28 24 14 29 26 24 31 28 24 19 16
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8965 10442 10530 11679 10509 11967 11421 16662 11811 11981 10646 10242 11535 10522 12717 16908
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9316 8617 8434 7976 8508 7850 7770 5527 7689 7650 8518 8725 7849 8708 7686 5209
APNIC 2452 2329 2196 2020 2226 2058 2199 1677 2079 2099 2224 2270 2078 2234 1971 1523
RIPE NCC 7872 7154 7217 6738 7258 6608 7048 4494 6816 6660 7029 7270 6973 7042 6032 4709
LACNIC 286 244 248 251 259 245 245 197 237 225 251 261 240 253 250 198
AFRINIC 66 59 59 58 57 58 60 54 60 56 59 61 59 59 56 46
IANA 1 0 1 0 1 1 1 0 1 1 0 1 1 1 1 0
Private 18 10 8 10 8 10 10 7 7 5 6 5 12 7 12 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20011 18413 18163 17053 18317 16830 17333 11956 16889 16696 18087 18593 17212 18304 16008 11687
IANA : AS64351 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 24168 24327 24222 24341 24300 24394 24281 24606 24300 24310 24249 24272 24328 24273 24442 24701
Transit 4693 4415 4345 4279 4409 4299 4366 3919 4273 4245 4360 4442 4307 4438 4176 3804
Transit-only 140 125 134 122 123 117 124 102 133 131 138 130 120 133 116 93
Total 29001 28867 28701 28742 28832 28810 28771 28627 28706 28686 28747 28844 28755 28844 28734 28598
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.79 6.05 5.29 5.82 5.26 5.95 5.73 5.43 5.53 6.05 5.37 5.29 6.08 5.29 6.61 4.97
Std 2.35 2.43 2.25 2.32 2.15 2.25 2.39 2.24 2.39 2.38 2.39 2.29 2.30 2.40 2.37 1.64
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.1.1.0/30 8342
10.3.3.0/24 44671
10.11.70.0/30 44671
10.20.0.0/20 39912
10.20.10.0/30 44671
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
172.16.0.0/24 28812
172.16.1.0/24 28812
172.16.2.0/24 28812
172.23.224.0/28 2119
172.30.254.0/24 4771
192.168.0.0/24 44671
192.168.1.0/24 44671
192.168.10.0/24 44671
192.168.11.0/24 44671
192.168.12.0/24 44671
192.168.21.0/24 44671
192.168.50.0/24 44671
192.168.70.0/24 44671
192.168.72.0/24 44671
192.168.90.0/24 44671
o List of hot-spots during the week.
Prefix Origin AS Number of updates
213.91.175.0/24 8866 770491
83.228.71.0/24 8866 634522
192.12.120.0/24 5691 468076
208.5.210.0/24 27246 272795
192.166.49.0/24 3320 267951
24.121.123.0/24 25994 230934
221.135.230.0/23 9583 152911
210.214.88.0/23 9583 149296
202.144.54.0/24 9583 137712
221.128.192.0/18 18231 129121
Total number of RIS BGP peering sessions: 642