RIS Statistics Report (20080526-20080602)
This report was generated at Mon Jun 2 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 64265 63960 56108 56245 62060 58231 57080 56853 56272 55458 57190 57790 56407 57606 56414 61193
ARIN 91595 89097 87571 88072 88733 89701 88367 88647 87547 88597 89200 89724 88767 89749 90816 87705
LACNIC 22839 18679 18352 18500 18619 18597 18599 18576 18556 18501 18512 18595 18667 18525 22773 18527
RIPE NCC 71515 56691 55600 59582 55811 54833 54799 53446 61751 54360 54715 56190 56157 54999 53864 53719
AfriNIC 1265 1263 1254 1262 1262 1264 1264 1264 1257 1257 1257 1264 1264 1263 1264 1252
Old 44783 42960 41446 42331 42254 42454 42304 42016 41530 41545 41629 42314 42350 42616 42345 41877
IANA 40 38 37 37 38 37 37 37 38 38 38 38 38 37 38 0
RFC1918 118 4 25 0 12 67 2 0 3 4 1 8 3 1 8 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 296420 272692 260393 266029 268789 265184 262452 260839 266954 259760 262542 265923 263653 264796 267522 264273
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 13416 13387 13303 13352 13384 13374 13346 13281 13299 13296 13321 13387 13366 13388 13364 13246
APNIC 3282 3272 3220 3222 3258 3249 3232 3218 3227 3208 3230 3260 3217 3258 3223 3219
RIPE NCC 11501 11474 11461 11445 11476 11453 11461 11412 11461 11449 11469 11482 11466 11454 11425 11428
LACNIC 470 467 463 467 469 467 468 466 462 463 462 468 468 467 468 462
AFRINIC 104 104 104 104 103 103 103 103 103 103 104 103 104 104 104 103
IANA 5 2 3 3 4 3 3 3 4 3 4 5 4 3 3 2
Private 83 50 30 27 49 33 28 14 33 28 32 41 35 29 30 13
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28862 28757 28585 28620 28744 28683 28642 28497 28589 28551 28623 28747 28660 28704 28617 28473
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4025 4713 4959 5988 4640 5602 5732 8046 5828 5732 4763 4604 5290 4795 5792 7960
APNIC 797 923 1036 1242 945 1181 1076 1603 1110 1120 976 976 1081 1035 1265 1697
RIPE NCC 3421 4053 4058 4652 3894 4620 4259 6585 4342 4537 4253 4031 4152 4324 5461 6588
LACNIC 183 221 219 223 210 217 226 273 225 230 213 204 228 218 214 261
AFRINIC 37 47 44 49 40 46 44 54 44 45 42 40 45 42 46 57
IANA 4 1 2 2 3 2 2 2 3 2 3 4 3 2 2 2
Private 66 40 23 17 37 22 18 8 24 20 24 33 21 21 19 10
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8533 9999 10341 12173 9770 11691 11358 16571 11576 11687 10274 9893 10820 10438 12799 16575
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9391 8674 8344 7364 8744 7772 7614 5235 7471 7564 8558 8783 8076 8593 7572 5286
APNIC 2485 2349 2184 1980 2313 2068 2156 1615 2117 2088 2254 2284 2136 2223 1958 1522
RIPE NCC 8080 7421 7403 6793 7582 6833 7202 4827 7119 6912 7216 7451 7314 7130 5964 4840
LACNIC 287 246 244 244 259 250 242 193 237 233 249 264 240 249 254 201
AFRINIC 67 57 60 55 63 57 59 49 59 58 62 63 59 62 58 46
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
Private 17 10 7 10 12 11 10 6 9 8 8 8 14 8 11 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20329 18758 18244 16447 18974 16992 17284 11926 17013 16864 18349 18854 17840 18266 15818 11898
IANA : AS64351 AS60000 AS65535 AS64241 AS60055
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 24038 24167 24098 24245 24130 24246 24157 24487 24148 24183 24131 24130 24174 24170 24314 24571
Transit 4692 4469 4357 4259 4483 4323 4367 3912 4310 4243 4352 4482 4360 4409 4192 3810
Transit-only 139 126 133 119 136 118 122 100 132 125 141 139 129 131 113 92
Total 28869 28762 28588 28623 28749 28687 28646 28499 28590 28551 28624 28751 28663 28710 28619 28473
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.96 6.29 5.46 5.83 5.72 5.98 5.81 5.39 5.77 6.00 5.60 5.62 6.39 5.26 6.44 4.97
Std 2.43 2.52 2.38 2.27 2.45 2.23 2.45 2.14 2.51 2.30 2.45 2.47 2.45 2.38 2.38 1.61
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.20.0.0/20 39912
10.20.30.0/30 8342
10.70.8.0/30 8342
10.100.0.0/24 31117
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
172.17.160.0/24 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 23310
192.168.0.0/16 39821
192.168.1.0/30 8196
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 2653986
213.91.175.0/24 8866 1222141
193.239.114.0/24 31003 980703
210.92.148.0/24 17834 788848
192.12.120.0/24 5691 707286
208.5.210.0/24 27246 431188
84.23.102.0/24 34400 365811
221.135.230.0/23 9583 356241
221.128.192.0/18 18231 325886
210.214.80.0/22 9583 226191
Total number of RIS BGP peering sessions: 643