RIS Statistics Report (20080721-20080728)
This report was generated at Mon Jul 28 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 66652 65721 57307 57864 63752 60366 58767 58860 57909 57764 58639 59052 57953 59214 58047 62832
ARIN 94815 92870 88273 89180 89693 90916 89739 91896 89008 90094 89254 90432 89678 90694 91763 89614
LACNIC 21994 19079 18814 18957 19130 19009 19026 18986 19022 18937 18950 19063 19078 18966 21948 19064
RIPE NCC 73540 56924 56946 60924 56150 56398 56482 55192 63495 56740 56283 56592 56587 55916 55805 55436
AfriNIC 1338 1293 1294 1326 1328 1328 1328 1326 1328 1322 1327 1321 1332 1323 1326 1319
Old 44680 42704 41037 42177 42075 42203 42111 41790 41271 41311 41284 41984 42040 42183 42092 42042
IANA 4 0 0 0 0 0 0 0 0 1 0 0 0 0 3 0
RFC1918 51 0 28 0 5 5 2 0 1 7 4 0 0 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 303074 278591 263699 270428 272133 270225 267455 268050 272034 266176 265741 268444 266668 268296 270997 270307
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 12724 12678 12595 12651 12683 12680 12656 12596 12604 12616 12618 12694 12658 12690 12660 12559
APNIC 3429 3416 3360 3365 3395 3392 3377 3358 3372 3362 3372 3404 3357 3401 3362 3365
RIPE NCC 11893 11853 11840 11830 11854 11838 11847 11794 11852 11841 11852 11853 11846 11841 11810 11808
LACNIC 995 992 983 990 991 992 990 984 982 985 982 992 989 990 989 984
AFRINIC 204 204 202 202 203 202 203 199 202 201 202 203 202 203 201 201
IANA 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 1
Private 73 37 19 28 38 32 28 12 31 27 28 28 36 27 19 13
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29321 29183 29002 29069 29166 29139 29104 28946 29046 29035 29057 29177 29091 29155 29044 28931
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3954 4505 4606 4915 4662 5330 5371 7786 5597 5163 4646 4461 5064 4553 6072 7608
APNIC 865 1002 1096 1187 1073 1197 1103 1641 1204 1155 1016 1044 1141 1060 1511 1657
RIPE NCC 3706 4487 4407 4742 4310 5001 4520 7264 4759 4637 4476 4465 4569 4588 6098 6899
LACNIC 322 389 400 376 377 391 387 467 403 400 387 379 414 383 392 483
AFRINIC 72 84 81 80 83 83 79 92 84 84 78 83 80 80 90 102
IANA 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0
Private 56 26 13 19 30 22 19 9 23 18 21 22 25 19 10 10
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 8976 10494 10604 11320 10535 12025 11480 17260 12071 11458 10625 10455 11294 10684 14174 16759
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8770 8173 7989 7736 8021 7350 7285 4810 7007 7453 7972 8233 7594 8137 6588 4951
APNIC 2564 2414 2264 2178 2322 2195 2274 1717 2168 2207 2356 2360 2216 2341 1851 1708
RIPE NCC 8187 7366 7433 7088 7544 6837 7327 4530 7093 7204 7376 7388 7277 7253 5712 4909
LACNIC 673 603 583 614 614 601 603 517 579 585 595 613 575 607 597 501
AFRINIC 132 120 121 122 120 119 124 107 118 117 124 120 122 123 111 99
IANA 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1
Private 17 11 6 9 8 10 9 3 8 9 7 6 11 8 9 3
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20345 18689 18398 17749 18631 17114 17624 11686 16975 17577 18432 18722 17797 18471 14870 12172
IANA : AS64449 AS64444 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 24461 24608 24508 24594 24603 24675 24567 24932 24583 24570 24522 24579 24610 24562 24765 24950
Transit 4736 4463 4378 4360 4458 4352 4427 3916 4336 4342 4409 4476 4367 4478 4175 3887
Transit-only 148 124 131 131 118 128 128 108 141 137 140 132 127 133 117 98
Total 29345 29195 29017 29085 29179 29155 29122 28956 29060 29049 29071 29187 29104 29173 29057 28935
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.83 6.04 5.22 6.06 5.34 5.99 5.81 5.38 5.71 6.01 5.36 5.29 6.14 5.23 6.74 5.00
Std 2.37 2.42 2.22 2.48 2.21 2.28 2.45 2.18 2.48 2.29 2.35 2.26 2.28 2.39 2.48 1.62
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.10.12.0/24 34245
10.10.13.0/24 34245
10.20.0.0/20 39912
10.20.30.0/30 8342
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
10.221.3.131/32 1267
10.221.3.132/32 1267
10.221.3.141/32 1267
10.221.3.142/32 1267
172.23.224.0/28 2119
192.168.2.0/24 34245
192.168.10.0/24 34245
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
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
83.228.71.0/24 8866 749243
221.134.222.0/24 9583 694933
202.150.80.0/20 9251 613156
192.12.120.0/24 5691 605577
62.182.216.0/21 47467 502559
91.203.160.0/22 47467 496218
194.126.143.0/24 9051 430133
196.27.104.0/21 30969 387845
196.42.0.0/20 10396 365910
196.27.108.0/22 30969 339094
Total number of RIS BGP peering sessions: 639