RIS Statistics Report (20080602-20080609)
This report was generated at Mon Jun 9 00:15:02 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 64371 63933 55958 56347 61991 58347 57170 57057 56197 55564 57281 57721 56409 57694 56517 61348
ARIN 91764 89094 87628 88223 88739 89836 88733 88775 88030 89132 89400 89636 88762 89941 90916 88742
LACNIC 21353 18549 18278 18399 18512 18483 18479 18462 18436 18384 18396 18438 18553 18396 21332 18454
RIPE NCC 71275 55927 55338 59709 54888 56132 55181 54022 61515 55211 55339 55593 55389 55077 54459 54065
AfriNIC 1254 1254 1245 1254 1252 1254 1252 1254 1246 1247 1247 1253 1253 1254 1254 1245
Old 44530 42644 41166 42128 41929 42207 42069 41773 41237 41332 41411 41995 42072 42208 42112 42101
IANA 40 1 1 1 39 1 1 1 1 1 1 1 1 1 2 1
RFC1918 46 0 17 0 13 2 2 0 1 4 1 8 0 7 8 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 294633 271402 259631 266061 267363 266262 262887 261344 266663 260875 263076 264645 262439 264578 266600 265956
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 13425 13399 13315 13364 13397 13390 13361 13298 13310 13315 13327 13391 13368 13403 13376 13267
APNIC 3289 3278 3225 3229 3266 3255 3238 3224 3234 3220 3239 3267 3227 3265 3231 3226
RIPE NCC 11525 11501 11490 11481 11505 11488 11495 11447 11493 11483 11497 11509 11486 11485 11458 11458
LACNIC 474 472 467 471 473 470 470 470 466 467 466 472 472 471 472 466
AFRINIC 104 103 104 104 104 103 103 103 103 103 104 103 104 104 104 103
IANA 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Private 83 51 33 31 49 36 28 16 33 32 32 39 34 32 26 18
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28903 28806 28637 28682 28796 28744 28697 28560 28641 28622 28668 28783 28693 28763 28669 28540
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4110 4615 4880 5200 4818 5465 5540 7671 5829 5271 4892 4633 5328 4714 5619 7850
APNIC 822 954 1041 1198 1020 1205 1092 1531 1228 1117 1046 979 1126 1062 1304 1700
RIPE NCC 3555 4205 4189 4618 4044 4702 4381 6834 4486 4530 4412 4250 4358 4449 5511 6676
LACNIC 187 222 223 221 213 215 224 266 229 230 216 218 231 214 218 268
AFRINIC 37 44 42 46 42 44 45 51 45 45 46 42 44 45 46 57
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2
Private 60 38 26 22 36 22 21 12 25 22 23 34 25 24 18 15
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8772 10079 10402 11306 10174 11654 11304 16366 11843 11216 10636 10157 11113 10510 12717 16568
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9315 8784 8435 8164 8579 7925 7821 5627 7481 8044 8435 8758 8040 8689 7757 5417
APNIC 2467 2324 2184 2031 2246 2050 2146 1693 2006 2103 2193 2288 2101 2203 1927 1526
RIPE NCC 7970 7296 7301 6863 7461 6786 7114 4613 7007 6953 7085 7259 7128 7036 5947 4782
LACNIC 287 250 244 250 260 255 246 204 237 237 250 254 241 257 254 198
AFRINIC 67 59 62 58 62 59 58 52 58 58 58 61 60 59 58 46
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
Private 23 13 7 9 13 14 7 4 8 10 9 5 9 8 8 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20131 18727 18235 17376 18622 17090 17393 12194 16798 17406 18032 18626 17580 18253 15952 11972
IANA : AS64351 AS65535
Number of 4-byte ASes: 12.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24105 24233 24162 24272 24227 24301 24210 24536 24234 24209 24187 24231 24250 24215 24376 24617
Transit 4677 4451 4353 4297 4442 4335 4374 3934 4282 4292 4351 4430 4330 4426 4189 3829
Transit-only 135 130 128 120 135 119 121 96 130 127 136 128 119 132 111 95
Total 28917 28814 28643 28689 28804 28755 28705 28566 28646 28628 28674 28789 28699 28773 28676 28541
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.83 6.18 5.29 5.74 5.56 5.97 5.74 5.36 5.59 5.98 5.42 5.32 6.15 5.21 6.56 4.94
Std 2.34 2.39 2.25 2.26 2.34 2.23 2.37 2.12 2.39 2.26 2.37 2.20 2.34 2.33 2.40 1.58
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 7235
10.0.22.0/24 39912
10.20.0.0/20 39912
10.20.2.0/25 1257
10.20.2.128/25 1257
10.20.30.0/30 8342
10.68.2.0/25 1257
10.68.2.128/25 1257
10.76.2.0/25 1257
10.76.2.128/25 1257
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
172.16.0.0/12 7235
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
172.30.254.0/24 4771
172.31.160.0/19 11060
192.0.2.0/24 2854
192.168.0.0/16 7235
192.168.1.0/30 8196
o List of hot-spots during the week.
Prefix Origin AS Number of updates
213.91.175.0/24 8866 898002
193.239.114.0/24 31003 791976
192.12.120.0/24 5691 550596
208.5.210.0/24 27246 337710
84.23.102.0/24 34400 319093
221.128.192.0/18 18231 209314
83.228.71.0/24 8866 172291
221.135.230.0/23 9583 151528
210.214.88.0/23 9583 134966
216.255.56.0/21 7106 121710
Total number of RIS BGP peering sessions: 643