RIS Statistics Report (20080915-20080922)
This report was generated at Mon Sep 22 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 69179 66941 0 61021 66381 0 61963 0 61063 60779 0 0 0 0 60835 0
ARIN 94304 93804 0 90072 90410 0 90476 0 89726 89652 0 0 0 0 91550 0
LACNIC 23850 20230 0 20786 20881 0 20978 0 20904 20764 0 0 0 0 23192 0
RIPE NCC 74466 58936 0 62255 58102 0 57873 0 65723 58290 0 0 0 0 57193 0
AfriNIC 1463 1451 0 1456 1449 0 1459 0 1453 1448 0 0 0 0 1455 0
Old 44311 43421 0 42584 42460 0 42441 0 41525 41585 0 0 0 0 42442 0
IANA 40 0 0 0 39 0 0 0 0 0 0 0 0 0 1 0
RFC1918 23 0 0 1 6 0 3 0 1 7 0 0 0 0 13 0
OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
TOTAL 307636 284783 0 278175 279728 0 275193 0 280395 272525 0 0 0 0 276681 0
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 12845 12819 0 12796 12816 0 12789 0 12744 12743 0 0 0 0 12789 0
APNIC 3503 3495 0 3443 3474 0 3454 0 3450 3440 0 0 0 0 3429 0
RIPE NCC 12131 12111 0 12087 12101 0 12110 0 12107 12100 0 0 0 0 12061 0
LACNIC 1024 1020 0 1019 1020 0 1018 0 1012 1013 0 0 0 0 1019 0
AFRINIC 223 223 0 222 222 0 223 0 221 222 0 0 0 0 221 0
IANA 3 3 0 2 1 0 3 0 3 3 0 0 0 0 0 0
Private 81 58 0 37 53 0 45 0 43 34 0 0 0 0 31 0
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 29811 29729 0 29606 29687 0 29643 0 29580 29556 0 0 0 0 29550 0
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 4135 4622 0 4999 4656 0 5444 0 5484 5330 0 0 0 0 6236 0
APNIC 954 1050 0 1246 1113 0 1173 0 1255 1257 0 0 0 0 1445 0
RIPE NCC 3825 4514 0 4779 4313 0 4479 0 4630 4568 0 0 0 0 6171 0
LACNIC 353 417 0 398 406 0 408 0 421 428 0 0 0 0 429 0
AFRINIC 80 93 0 91 91 0 91 0 89 93 0 0 0 0 105 0
IANA 1 2 0 1 1 0 1 0 1 2 0 0 0 0 0 0
Private 57 38 0 28 38 0 28 0 28 26 0 0 0 0 21 0
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 9406 10736 0 11542 10618 0 11625 0 11908 11705 0 0 0 0 14407 0
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 8710 8197 0 7797 8160 0 7345 0 7260 7413 0 0 0 0 6553 0
APNIC 2549 2445 0 2197 2361 0 2281 0 2195 2183 0 0 0 0 1984 0
RIPE NCC 8306 7597 0 7308 7788 0 7631 0 7477 7532 0 0 0 0 5890 0
LACNIC 671 603 0 621 614 0 610 0 591 585 0 0 0 0 590 0
AFRINIC 143 130 0 131 131 0 132 0 132 129 0 0 0 0 116 0
IANA 2 1 0 1 0 0 2 0 2 1 0 0 0 0 0 0
Private 24 20 0 9 15 0 17 0 15 8 0 0 0 0 10 0
Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Total 20405 18993 0 18064 19069 0 18018 0 17672 17851 0 0 0 0 15143 0
IANA : AS64449 AS64441 AS65535
Number of 4-byte ASes: 14.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24884 25002 0 24970 24983 0 24955 0 24940 24954 0 0 0 0 25142 0
Transit 4788 4596 0 4511 4582 0 4554 0 4497 4462 0 0 0 0 4296 0
Transit-only 152 138 0 132 131 0 141 0 147 144 0 0 0 0 116 0
Total 29824 29736 0 29613 29696 0 29650 0 29584 29560 0 0 0 0 29554 0
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.96 6.15 0.00 6.16 5.35 0.00 5.79 0.00 5.78 6.02 0.00 0.00 0.00 0.00 6.60 0.00
Std 2.44 2.42 0.00 2.58 2.21 0.00 2.48 0.00 2.55 2.42 0.00 0.00 0.00 0.00 2.38 0.00
o List of martians appearing throughout the week.
Prefix Origin AS
10.0.22.0/24 39912
10.20.0.0/20 39912
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
192.168.244.0/22 8527
o List of hot-spots during the week.
Prefix Origin AS Number of updates
189.132.0.0/19 8151 3464821
189.70.0.0/19 7738 3464812
174.148.0.0/17 10507 3209096
174.150.0.0/17 10507 3208296
174.146.0.0/17 10507 3207702
12.18.36.0/24 11971 390035
83.228.71.0/24 8866 357583
192.12.120.0/24 5691 320784
210.214.151.0/24 9583 253200
221.134.222.0/24 9583 222978
Total number of RIS BGP peering sessions: 640