RIS Statistics Report (20090420-20090427)
This report was generated at Mon Apr 27 00:15:01 UTC 2009. 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 81804 74415 64739 0 73346 67077 66100 64823 65310 65124 64945 66485 75589 0 71130 69385
ARIN 122615 98653 95234 0 97486 96095 96649 97446 95722 95532 96578 95615 98511 0 118941 95117
LACNIC 34773 22045 21888 0 22765 21985 22082 21861 21909 21913 21952 21928 23358 0 33809 21873
RIPE NCC 336877 64509 87175 0 67920 77734 74200 62232 65396 67066 64702 64862 292605 0 66591 63369
AfriNIC 3403 3061 3112 0 3238 3083 3089 3070 3090 3089 3096 3092 3292 0 3288 3078
Old 48011 43737 41995 0 43574 43017 42974 42576 41881 41925 42072 42023 43740 0 46255 42823
IANA 5 4 3 0 2 1 0 0 0 3 3 2 1 0 0 2
RFC1918 4720 1 5 0 5 4 1 0 1 2 1 3 4693 0 17 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 632208 306425 314151 0 308336 308996 305095 292008 293309 294654 293349 294010 541789 0 340031 295647
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 13567 13330 13318 0 13324 13389 13380 13236 13342 13347 13352 13325 13363 0 13510 13159
APNIC 3775 3735 3693 0 3714 3719 3704 3674 3703 3689 3710 3709 3689 0 3704 3668
RIPE NCC 13446 13217 13256 0 13214 13274 13272 13162 13270 13265 13274 13266 13265 0 13374 13142
LACNIC 1144 1127 1124 0 1127 1129 1130 1122 1124 1124 1127 1124 1130 0 1141 1116
AFRINIC 265 260 259 0 258 262 261 257 262 262 262 261 260 0 262 252
IANA 2 2 2 0 2 2 2 2 2 2 2 2 2 0 2 2
Private 169 44 50 0 41 38 107 20 36 106 106 39 107 0 102 25
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 32370 31716 31704 0 31681 31815 31858 31474 31741 31797 31835 31728 31818 0 32096 31365
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 2562 3926 3320 0 4208 3287 3284 4793 3378 3566 3021 3331 3333 0 4113 7386
APNIC 665 1005 891 0 1092 814 819 1175 887 879 799 899 891 0 1020 1750
RIPE NCC 2549 4082 3218 0 4022 3138 3013 4783 3104 3194 3038 3346 3184 0 4322 7081
LACNIC 236 358 301 0 356 276 272 339 291 298 284 300 301 0 296 513
AFRINIC 68 94 78 0 92 86 74 88 82 78 80 79 82 0 81 115
IANA 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1
Private 137 29 36 0 29 21 92 11 26 86 88 25 92 0 86 19
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 6218 9495 7845 0 9800 7623 7555 11190 7769 8102 7311 7981 7884 0 9919 16865
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 11005 9404 9998 0 9116 10102 10096 8443 9964 9781 10331 9994 10030 0 9397 5773
APNIC 3110 2730 2802 0 2622 2905 2885 2499 2816 2810 2911 2810 2798 0 2684 1918
RIPE NCC 10897 9135 10038 0 9192 10136 10259 8379 10166 10071 10236 9920 10081 0 9052 6061
LACNIC 908 769 823 0 771 853 858 783 833 826 843 824 829 0 845 603
AFRINIC 197 166 181 0 166 176 187 169 180 184 182 182 178 0 181 137
IANA 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 1
Private 32 15 14 0 12 17 15 9 10 20 18 14 15 0 16 6
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 26152 22221 23859 0 21881 24192 24303 20284 23972 23695 24524 23747 23934 0 22177 14500
IANA : AS65535 AS60055
Number of 4-byte ASes: 35.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 15168 20948 16861 0 21889 15095 14911 15042 14832 15101 15309 16669 16537 0 15876 24844
Transit 16861 10492 14453 0 9527 16305 16522 15874 16463 16237 16094 14649 14897 0 15882 6352
Transit-only 366 283 405 0 273 432 441 563 460 470 451 424 392 0 349 173
Total 32395 31723 31719 0 31689 31832 31874 31479 31755 31808 31854 31742 31826 0 32107 31369
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 6.00 5.96 5.45 0.00 5.24 6.17 5.78 5.55 5.69 6.09 5.55 5.53 6.48 0.00 7.21 5.02
Std 2.26 2.21 2.18 0.00 2.07 2.08 2.16 2.02 2.24 2.25 2.26 2.19 2.34 0.00 2.31 1.72
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 6067
10.20.30.0/30 8342
10.82.8.0/26 8968
10.100.100.100/30 6067
172.28.28.0/24 8342
172.30.157.0/26 8968
192.168.0.0/24 6730
192.168.10.0/24 6325
192.168.20.0/24 6730
192.168.199.196/30 13237
Can not connect to DB rrc10
Total number of RIS BGP peering sessions: 639