RIS Statistics Report (20080324-20080331)
This report was generated at Mon Mar 31 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 62820 57314 55074 54679 59801 55420 55432 55346 55322 53955 55566 0 54287 56628 54826 59052
ARIN 91760 89157 86085 86567 86600 86603 86801 86867 86427 87281 86235 0 86500 87975 89021 85871
LACNIC 21271 17911 17496 17544 17552 17536 17537 17618 17593 17534 17452 0 17521 17587 21006 17461
RIPE NCC 71785 54676 53696 56859 52952 52370 52828 51894 59641 53693 52616 0 53544 54682 52181 51944
AfriNIC 1176 1169 1153 1152 1138 1152 1154 1153 1153 1153 1152 0 1137 1152 1153 1131
Old 43743 42171 40658 41296 41341 41361 41414 41270 40713 40687 40652 0 41352 41666 41587 41350
IANA 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
RFC1918 45 1 27 0 3 0 0 0 0 2 1 0 7 0 7 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 292601 262399 254189 258097 259387 254442 255166 254148 260849 254305 253674 0 254348 259690 259782 256809
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 13326 13308 13125 13167 13167 13179 13188 13111 13125 13111 13127 0 13141 13198 13182 13055
APNIC 3224 3216 3173 3165 3179 3171 3170 3158 3174 3158 3176 0 3140 3192 3151 3154
RIPE NCC 11271 11244 11167 11148 11148 11155 11165 11119 11163 11157 11160 0 11130 11157 11126 11120
LACNIC 446 445 438 442 441 440 442 438 437 437 438 0 437 443 441 435
AFRINIC 96 96 95 95 95 95 95 95 95 95 95 0 95 95 95 95
IANA 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0
Private 110 79 55 49 60 47 52 24 49 44 41 0 48 32 44 17
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 28475 28389 28055 28067 28091 28088 28113 27946 28044 28003 28038 0 27992 28118 28040 27876
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4042 4387 4678 5820 4799 5900 5421 7555 5344 5426 4804 0 5202 4692 5428 8123
APNIC 834 937 969 1282 1024 1230 1077 1559 1162 1135 1014 0 1145 1020 1257 1788
RIPE NCC 3361 3837 3842 4541 4031 4709 4172 6438 4254 4418 4400 0 4344 4238 5138 6990
LACNIC 173 197 199 203 201 210 212 240 204 209 204 0 214 205 194 251
AFRINIC 36 38 39 45 41 44 40 50 41 45 44 0 43 42 42 55
IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Private 79 53 36 37 45 33 35 18 35 35 29 0 33 23 29 14
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8525 9449 9763 11928 10141 12126 10957 15860 11040 11268 10495 0 10981 10220 12088 17221
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 9284 8921 8447 7347 8368 7279 7767 5556 7781 7685 8323 0 7939 8506 7754 4932
APNIC 2390 2279 2204 1883 2155 1941 2093 1599 2012 2023 2162 0 1995 2172 1894 1366
RIPE NCC 7910 7407 7325 6607 7117 6446 6993 4681 6909 6739 6760 0 6786 6919 5988 4130
LACNIC 273 248 239 239 240 230 230 198 233 228 234 0 223 238 247 184
AFRINIC 60 58 56 50 54 51 55 45 54 50 51 0 52 53 53 40
IANA 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0
Private 31 26 19 12 15 14 17 6 14 9 12 0 15 9 15 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 19950 18940 18292 16139 17950 15962 17156 12086 17004 16735 17543 0 17011 17898 15952 10655
IANA : 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 23693 23768 23553 23724 23632 23730 23635 23965 23644 23662 23629 0 23683 23639 23787 24131
Transit 4662 4509 4372 4232 4337 4251 4370 3890 4276 4217 4285 0 4198 4371 4145 3660
Transit-only 136 127 142 121 128 117 120 97 134 131 134 0 116 122 117 87
Total 28491 28404 28067 28077 28097 28098 28125 27952 28054 28010 28048 0 27997 28132 28049 27878
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 6.00 6.45 5.63 5.89 5.57 5.91 5.89 5.40 5.94 6.30 5.69 0.00 6.16 5.34 6.60 4.96
Std 2.46 2.67 2.45 2.33 2.38 2.30 2.55 2.20 2.52 2.38 2.44 0.00 2.33 2.38 2.45 1.55
o List of martians appearing throughout the week.
Prefix Origin AS
0.0.0.0/32 19151
10.0.22.0/24 39912
10.11.12.0/24 34245
10.11.13.0/24 34245
10.20.0.0/20 39912
10.20.30.0/30 8342
10.72.0.0/16 65225
10.108.0.0/16 43671
10.109.0.0/16 43671
10.110.0.0/16 43671
10.128.18.0/23 34245
10.128.22.0/23 34245
10.193.3.0/24 34245
10.193.12.128/28 34245
10.193.14.32/27 34245
10.193.14.64/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.205.255.0/27 34245
10.205.255.32/27 34245
10.216.0.0/23 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
172.31.0.128/30 4766
192.168.2.0/24 34245
192.168.8.0/24 43671
192.168.10.0/24 34245
192.168.21.0/24 43671
192.168.107.0/24 34245
192.168.108.0/24 43671
192.168.109.0/24 34245
192.168.117.0/24 34245
192.168.118.0/24 34245
192.168.119.0/24 34245
192.168.202.0/24 44778
Can not connect to DB rrc01
Total number of RIS BGP peering sessions: 630