RIS Statistics Report (20080929-20081006)
This report was generated at Mon Oct 6 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 72876 68882 58905 58755 67697 61332 61407 60239 59363 58912 59786 60564 59264 59405 59314 63157
ARIN 96875 94062 89849 89913 92779 90799 90554 92932 89950 89782 90261 90870 90261 89957 91743 90990
LACNIC 24519 20101 19837 20669 21955 21046 20922 20865 21036 20815 20995 19910 20029 20831 22555 19935
RIPE NCC 88833 59259 59675 62306 68865 58550 58740 56781 65610 58608 58645 58112 58819 57549 57574 57479
AfriNIC 1541 1459 1473 1444 1532 1473 1487 1472 1475 1480 1478 1428 1466 1475 1469 1461
Old 46494 43637 41852 42435 43749 42718 42666 42180 41750 41682 41789 42256 42346 41713 42462 42706
IANA 42 2 41 1 40 41 41 2 41 42 41 41 40 41 1 3
RFC1918 81 0 28 0 11 2 26 0 0 4 1 3 1 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 331261 287402 271660 275523 296628 275961 275843 274471 279225 271325 272996 273184 272226 270971 275131 275731
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 12880 12843 12772 12797 12834 12831 12812 12805 12770 12762 12785 12837 12818 12774 12810 12706
APNIC 3528 3510 3444 3464 3478 3483 3465 3456 3455 3448 3467 3490 3442 3466 3436 3439
RIPE NCC 12226 12191 12179 12155 12187 12179 12193 12133 12175 12179 12187 12186 12176 12173 12139 12152
LACNIC 1032 1028 1017 1025 1028 1028 1028 1026 1019 1020 1019 1025 1028 1020 1027 1014
AFRINIC 227 224 225 224 226 225 226 223 224 225 225 226 224 226 224 224
IANA 4 2 4 1 1 1 4 2 4 2 2 1 4 2 1 1
Private 114 63 60 22 60 78 70 64 55 65 73 58 68 55 60 55
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 30011 29861 29701 29688 29814 29825 29798 29709 29702 29701 29758 29823 29760 29716 29697 29591
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 3991 4699 4802 5670 4794 5405 5641 6747 5802 5392 4722 4531 5013 4957 6709 7875
APNIC 881 1061 1218 1402 1134 1193 1303 1450 1280 1271 1097 1089 1221 1141 1482 1816
RIPE NCC 3725 4579 4405 5095 4367 4822 4551 6854 4722 4628 4515 4518 4687 4940 6436 6941
LACNIC 332 409 422 430 404 401 421 475 430 436 392 399 425 412 443 505
AFRINIC 80 88 85 94 89 95 91 100 91 94 91 87 91 89 102 112
IANA 2 0 2 1 0 0 2 2 2 0 1 0 2 1 1 0
Private 86 49 47 14 49 55 50 48 42 52 54 45 52 37 48 45
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9097 10885 10981 12706 10837 11971 12059 15676 12369 11873 10872 10669 11491 11577 15221 17294
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8889 8144 7970 7127 8040 7426 7171 6058 6968 7370 8063 8306 7805 7817 6101 4831
APNIC 2647 2449 2226 2062 2344 2290 2162 2006 2175 2177 2370 2401 2221 2325 1954 1623
RIPE NCC 8501 7612 7774 7060 7820 7357 7642 5279 7453 7551 7672 7668 7489 7233 5703 5211
LACNIC 700 619 595 595 624 627 607 551 589 584 627 626 603 608 584 509
AFRINIC 147 136 140 130 137 130 135 123 133 131 134 139 133 137 122 112
IANA 2 2 2 0 1 1 2 0 2 2 1 1 2 1 0 1
Private 28 14 13 8 11 23 20 16 13 13 19 13 16 18 12 10
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20914 18976 18720 16982 18977 17854 17739 14033 17333 17828 18886 19154 18269 18139 14476 12297
IANA : AS64449 AS64441 AS64444 AS65535
Number of 4-byte ASes: 15.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24962 25135 25003 25142 25109 25144 25077 25295 25071 25083 25030 25080 25112 25076 25283 25450
Transit 4894 4607 4543 4428 4588 4542 4570 4278 4493 4463 4573 4621 4508 4508 4285 4026
Transit-only 159 128 146 128 126 135 146 125 142 142 150 131 131 144 116 105
Total 30015 29870 29692 29698 29823 29821 29793 29698 29706 29688 29753 29832 29751 29728 29684 29581
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.72 5.86 5.30 5.84 5.19 6.03 5.75 5.46 5.59 5.77 5.43 5.28 5.96 5.15 6.47 4.94
Std 2.28 2.24 2.24 2.41 2.14 2.24 2.42 2.13 2.37 2.19 2.35 2.20 2.19 2.31 2.35 1.61
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.0.0/8 65333
10.0.22.0/24 39912
10.10.10.0/24 44049
10.20.0.0/20 39912
10.100.100.100/30 6067
10.110.0.0/16 9070
10.128.22.0/23 34245
10.193.3.0/24 34245
10.193.12.128/28 34245
10.193.13.112/28 34245
10.193.14.32/27 34245
10.193.14.96/27 34245
10.193.14.192/28 34245
10.201.64.0/29 34245
10.205.64.0/24 34245
10.205.65.0/24 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
172.16.0.0/12 65333
172.25.4.0/24 31501
192.0.2.0/24 65333
192.168.0.0/16 65333
192.168.192.0/21 7497
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.132.0.0/19 8151 2943604
189.70.0.0/19 7738 2943602
200.108.200.0/24 20255 592876
200.108.220.0/24 20255 592830
192.12.120.0/24 5691 459263
221.134.222.0/24 9583 439945
210.214.151.0/24 9583 382051
221.135.80.0/24 9583 359444
64.162.116.0/24 5033 283332
195.47.233.0/24 30850 191036
Total number of RIS BGP peering sessions: 642