RIS Statistics Report (20080512-20080519)
This report was generated at Mon May 19 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 63645 63298 55689 55748 61602 57741 56554 56362 55852 54944 56366 57352 55932 56780 55911 60946
ARIN 91257 88553 87345 87820 88466 89213 87796 88481 87522 88424 88034 89489 88555 88537 90474 87206
LACNIC 22218 18733 18543 18654 18815 18777 18648 18756 18737 18678 18381 18786 18854 18361 22151 18442
RIPE NCC 71026 55372 55217 58509 54762 54577 54265 54320 61221 54183 53908 55395 54945 53524 53628 53658
AfriNIC 1282 1282 1260 1267 1267 1280 1280 1276 1260 1260 1256 1267 1280 1263 1270 1260
Old 44507 42465 41864 42900 42784 42207 41925 42605 41115 41113 40865 42882 42903 41619 42940 41778
IANA 7 2 1 1 2 1 1 1 2 2 1 2 2 0 2 3
RFC1918 68 0 27 1 19 4 0 0 1 5 2 19 5 2 9 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 294010 269705 259946 264900 267717 263800 260469 261801 265710 258609 258813 265192 262476 260086 266385 263293
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 13363 13332 13259 13307 13335 13326 13326 13241 13257 13244 13223 13341 13319 13292 13314 13194
APNIC 3266 3255 3208 3208 3243 3231 3220 3204 3214 3196 3207 3245 3206 3230 3209 3204
RIPE NCC 11449 11420 11406 11385 11415 11394 11401 11357 11402 11388 11382 11424 11404 11370 11369 11358
LACNIC 468 467 462 465 467 466 466 465 461 461 459 467 466 464 467 459
AFRINIC 104 104 103 103 103 102 102 102 102 102 102 103 103 102 103 102
IANA 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1
Private 74 41 37 22 43 29 27 9 30 23 19 42 36 20 19 12
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28727 28620 28477 28491 28608 28549 28544 28379 28468 28416 28393 28625 28535 28479 28482 28330
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3997 4739 4816 5752 4626 5419 5380 7933 5417 5747 5209 4440 4946 5102 5571 8098
APNIC 780 929 1003 1289 925 1185 1082 1568 1066 1080 1095 911 992 1126 1205 1762
RIPE NCC 3483 4161 4039 4681 3972 4660 4307 6895 4365 4673 4974 3974 4116 4968 5298 6752
LACNIC 191 233 218 227 208 222 230 275 227 229 236 208 218 242 213 257
AFRINIC 37 44 38 45 40 43 40 50 39 44 46 39 41 46 45 56
IANA 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1
Private 59 29 28 11 33 17 16 5 21 15 15 33 24 17 9 11
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8549 10136 10143 12006 9806 11547 11057 16727 11137 11790 11576 9608 10338 11502 12342 16937
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9366 8593 8443 7555 8709 7907 7946 5308 7840 7497 8014 8901 8373 8190 7743 5096
APNIC 2486 2326 2205 1919 2318 2046 2138 1636 2148 2116 2112 2334 2214 2104 2004 1442
RIPE NCC 7966 7259 7367 6704 7443 6734 7094 4462 7037 6715 6408 7450 7288 6402 6071 4606
LACNIC 277 234 244 238 259 244 236 190 234 232 223 259 248 222 254 202
AFRINIC 67 60 65 58 63 59 62 52 63 58 56 64 62 56 58 46
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 15 12 9 11 10 12 11 4 9 8 4 9 12 3 10 1
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20178 18484 18334 16485 18802 17002 17487 11652 17331 16626 16817 19017 18197 16977 16140 11393
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 23939 24083 23974 24123 24039 24136 24038 24402 24043 24077 24129 24012 24064 24176 24183 24483
Transit 4663 4411 4363 4247 4439 4300 4379 3871 4291 4211 4149 4475 4348 4200 4180 3760
Transit-only 138 134 149 130 141 123 135 111 141 134 116 147 132 107 127 87
Total 28740 28628 28486 28500 28619 28559 28552 28384 28475 28422 28394 28634 28544 28483 28490 28330
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.96 6.11 5.57 5.89 5.71 5.95 5.88 5.42 5.91 6.18 4.76 5.86 6.38 4.51 6.55 4.97
Std 2.43 2.42 2.45 2.35 2.46 2.23 2.55 2.21 2.52 2.36 1.91 2.54 2.45 1.83 2.39 1.62
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 39821
10.0.1.0/24 30514
10.0.22.0/24 39912
10.0.80.0/24 34631
10.1.0.0/16 23148
10.11.12.0/24 9070
10.12.34.0/24 39821
10.20.0.0/20 39912
10.20.30.0/30 8342
10.30.2.0/24 31117
10.100.36.0/22 35985
10.100.100.100/30 6067
10.110.28.0/22 35985
10.120.12.0/22 35985
10.128.18.0/23 34245
10.128.22.0/23 34245
10.130.0.0/22 35985
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
10.194.80.0/22 35985
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
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
172.25.25.0/24 8487
172.30.254.0/24 4771
172.31.160.0/19 11060
192.168.0.0/24 23148
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 4217831
202.141.0.0/17 2697 1070185
213.91.175.0/24 8866 1034133
221.128.192.0/18 18231 335543
125.23.208.0/20 9498 319972
208.5.210.0/24 27246 304548
12.108.254.0/24 26829 123770
210.1.71.0/24 17973 113816
194.190.36.0/24 5592 98765
192.12.120.0/24 5691 93343
Total number of RIS BGP peering sessions: 642