RIS Statistics Report (20080714-20080721)
This report was generated at Mon Jul 21 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
RFC1918 60 1 26 1 15 15 2 0 1 18 15 1 0 0 11 0
OTHER 0 279761 265139 275232 273091 271043 269574 273668 277070 269150 272042 269773 267643 272022 274312 271138
TOTAL 307241 279762 265165 275233 273106 271058 269576 273668 277071 269168 272057 269774 267643 272022 274323 271138
ER 307181
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 12696 12662 12585 12634 12663 12654 12629 12580 12585 12578 12606 12665 12636 12677 12647 12544
APNIC 3415 3400 3345 3355 3386 3382 3366 3352 3354 3342 3360 3388 3341 3383 3356 3351
RIPE NCC 11857 11818 11804 11796 11819 11803 11812 11761 11812 11799 11817 11820 11809 11804 11779 11780
LACNIC 997 991 988 994 993 994 995 988 988 987 987 996 992 995 995 984
AFRINIC 203 202 198 200 201 200 201 198 200 200 200 201 200 202 199 199
IANA 4 2 3 3 1 3 4 2 3 3 3 2 3 3 3 1
Private 88 33 19 19 33 23 20 27 23 15 23 30 22 18 20 13
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29261 29109 28943 29002 29097 29060 29028 28909 28966 28925 28997 29103 29004 29083 29000 28873
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3917 4579 4613 5151 4640 5252 5249 7649 5611 5647 4656 4440 5203 4607 5011 7703
APNIC 851 1006 1063 1222 1049 1195 1062 1591 1221 1212 995 1037 1148 1039 1211 1715
RIPE NCC 3643 4554 4361 4800 4233 4902 4452 7319 4763 4736 4463 4370 4593 4588 5506 6795
LACNIC 324 408 404 387 379 389 396 474 407 420 394 383 413 387 369 481
AFRINIC 75 82 84 81 84 86 82 92 88 85 80 87 87 84 90 101
IANA 2 0 1 1 0 1 2 1 1 1 1 0 1 1 1 0
Private 68 23 17 13 26 16 14 21 18 12 17 22 14 12 14 10
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8881 10653 10544 11656 10412 11842 11258 17148 12110 12114 10607 10340 11460 10719 12203 16806
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8779 8083 7972 7483 8023 7402 7380 4931 6974 6931 7950 8225 7433 8070 7636 4841
APNIC 2564 2394 2282 2133 2337 2187 2304 1761 2133 2130 2365 2351 2193 2344 2145 1636
RIPE NCC 8214 7264 7443 6996 7586 6901 7360 4442 7049 7063 7354 7450 7216 7216 6273 4985
LACNIC 673 583 584 607 614 605 599 514 581 567 593 613 579 608 626 503
AFRINIC 128 120 114 119 117 114 119 106 112 115 120 114 113 118 109 98
IANA 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 1
Private 20 10 2 6 7 7 6 6 5 3 6 8 8 6 6 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20380 18456 18399 17346 18685 17218 17770 11761 16856 16811 18390 18763 17544 18364 16797 12067
IANA : AS64449 AS64441 AS64444 AS65535
Number of 4-byte ASes: 11.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24386 24543 24441 24546 24509 24579 24463 24842 24516 24512 24431 24512 24541 24491 24613 24908
Transit 4745 4450 4375 4336 4474 4369 4450 3972 4322 4293 4434 4467 4350 4470 4273 3869
Transit-only 142 122 133 126 120 121 124 100 132 125 137 130 118 131 119 96
Total 29273 29115 28949 29008 29103 29069 29037 28914 28970 28930 29002 29109 29009 29092 29005 28873
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.80 5.94 5.27 6.00 5.36 6.02 5.81 5.40 5.59 5.98 5.36 5.30 6.07 5.14 6.53 4.97
Std 2.33 2.38 2.21 2.43 2.22 2.23 2.40 2.16 2.38 2.27 2.38 2.27 2.28 2.28 2.27 1.58
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/24 12956
10.0.22.0/24 39912
10.20.0.0/20 39912
10.20.30.0/30 8342
10.25.1.0/24 12989
10.34.35.0/24 12637
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
10.201.250.0/24 34245
10.205.64.0/24 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
10.221.3.122/32 1267
10.221.3.123/32 1267
10.221.3.125/32 1267
10.221.3.126/32 1267
10.221.3.129/32 1267
10.221.3.130/32 1267
10.221.3.131/32 1267
10.221.3.132/32 1267
10.221.3.141/32 1267
10.221.3.142/32 1267
10.221.3.147/32 1267
10.221.3.148/32 1267
172.19.0.0/16 34695
172.23.224.0/28 2119
192.168.117.192/29 29208
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
194.126.143.0/24 9051 751885
221.134.222.0/24 9583 643149
83.228.71.0/24 8866 596533
192.12.120.0/24 5691 556462
196.42.32.0/20 10396 380350
196.42.16.0/20 10396 377933
196.42.0.0/20 10396 369286
193.227.180.0/24 9051 214268
210.214.128.0/23 9583 150810
210.214.144.0/24 9583 146939
Total number of RIS BGP peering sessions: 640