RIS Statistics Report (20080616-20080623)
This report was generated at Mon Jun 23 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 65166 64193 56371 56846 62315 58810 57653 57587 56729 55939 57815 58193 56922 58087 57107 61718
ARIN 94821 91088 87650 88435 88868 90274 88627 91225 88182 89411 90134 89861 88975 90137 91420 88942
LACNIC 21971 18766 18549 18718 18771 18803 18691 18784 18720 18662 18946 18751 18858 18715 21799 18613
RIPE NCC 71177 55634 55743 59619 55456 55485 55344 54200 62307 55131 55733 55758 55307 54855 54903 54758
AfriNIC 1264 1259 1249 1260 1259 1260 1259 1258 1249 1253 1257 1259 1259 1261 1260 1251
Old 45073 42973 41501 42547 41681 42518 42351 42227 41598 41650 41793 41990 42384 42511 42581 41890
IANA 3 1 2 2 2 2 2 2 2 2 2 2 2 2 3 2
RFC1918 42 0 19 0 3 2 3 0 1 4 1 1 0 1 14 0
OTHER 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0
TOTAL 299518 273914 261084 267427 268355 267154 263930 265283 268789 262052 265681 265815 263707 265569 269087 267174
ER 1
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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
APNIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RIPE NCC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LACNIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
IANA 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Private 75 48 31 30 43 30 29 22 33 32 30 36 38 30 29 24
Others 193 192 191 192 193 192 190 188 190 190 191 193 192 193 192 187
Total 29074 28970 28790 28839 28907 28901 28856 28725 28784 28785 28817 28918 28855 28925 28838 28688
o Number of single-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
APNIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RIPE NCC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LACNIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Private 59 35 24 20 32 20 21 17 27 23 22 29 29 22 20 19
Others 53 58 66 73 61 70 73 104 79 76 66 59 74 63 76 100
Total 9034 10173 10727 11802 10582 11730 11642 16215 12600 11829 11053 10501 11658 10819 12743 15750
o Number of multi-homed ASes.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
ARIN 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
APNIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
RIPE NCC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
LACNIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AFRINIC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Private 16 13 7 10 11 10 8 5 6 9 8 7 9 8 9 5
Others 140 134 125 119 132 122 117 84 111 114 125 134 118 130 116 87
Total 20040 18797 18063 17037 18325 17171 17214 12510 16184 16956 17764 18417 17197 18106 16095 12938
IANA : AS64351 AS65535
Others: AS22537 AS30706 AS23171 AS23225 AS7891 AS7894 AS30643 AS23227 AS22536 AS23151 AS30653 AS1655 AS23240 AS23185 AS18676 AS30693 AS30716 AS18669 AS30629 AS23172 AS14855 AS30714 AS30675 AS30663 AS2717 AS23237 AS30624 AS14864 AS18670 AS23205 AS23176 AS23163 AS23217 AS30697 AS30690 AS30719 AS30701 AS30647 AS30671 AS23154 AS30632 AS30687 AS23181 AS30656 AS23199 AS30710 AS30667 AS30630 AS14849 AS23213 AS23147 AS23158 AS14856 AS30683 AS30680 AS30678 AS23188 AS30640 AS23209 AS23192 AS14860 AS30620 AS18671 AS30621 AS23157 AS23206 AS23194 AS30699 AS30642 AS23228 AS30707 AS30715 AS30713 AS30637 AS22535 AS18673 AS7892 AS14852 AS14858 AS23177 AS14343 AS30662 AS14863 AS30648 AS23238 AS23232 AS30672 AS30718 AS30681 AS23153 AS30650 AS23173 AS23198 AS30696 AS23189 AS30679 AS23166 AS14342 AS5739 AS23191 AS30666 AS23143 AS23212 AS14857 AS30684 AS23146 AS7896 AS14853 AS14859 AS23193 AS30677 AS30627 AS23235 AS11258 AS30712 AS14862 AS30651 AS23230 AS23161 AS23223 AS23178 AS30688 AS23183 AS30645 AS30695 AS30708 AS30622 AS23155 AS4212 AS23156 AS5738 AS23233 AS23169 AS5742 AS30685 AS23145 AS23197 AS14847 AS30673 AS30649 AS23211 AS23174 AS23229 AS23165 AS23190 AS30703 AS30644 AS23152 AS30659 AS23160 AS30635 AS14341 AS23170 AS7893 AS30628 AS23148 AS23208 AS30664 AS14345 AS23184 AS23141 AS23218 AS23224 AS30700 AS30717 AS18668 AS23241 AS30709 AS30674 AS30689 AS30631 AS14340 AS23550 AS23144 AS23219 AS30655 AS5744 AS30668 AS23234 AS30661 AS14854 AS30686 AS23239 AS13520 AS30704 AS30691 AS4211 AS30641 AS14861 AS23187 AS30711 AS30698 AS14848
Number of 4-byte ASes: 13.
Distribution of AS number wrt Leaf, Transit.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Leaf 24238 24357 24300 24408 24368 24434 24342 24659 24414 24363 24336 24351 24433 24373 24513 24700
Transit 4705 4496 4357 4310 4421 4352 4394 3963 4247 4288 4346 4436 4308 4424 4209 3892
Transit-only 143 124 137 128 125 122 127 107 126 138 139 136 120 136 122 98
Total 29086 28977 28794 28846 28914 28908 28863 28729 28787 28789 28821 28923 28861 28933 28844 28690
o Average ASPATH length.
RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16
Avg 5.91 6.33 5.30 5.93 5.35 5.98 5.88 5.41 5.57 6.08 5.39 5.31 6.17 5.25 6.82 5.03
Std 2.43 2.55 2.29 2.42 2.26 2.27 2.50 2.19 2.45 2.41 2.45 2.31 2.39 2.42 2.45 1.62
o List of martians appearing throughout the week.
Prefix Origin AS
o List of hot-spots during the week.
Prefix Origin AS Number of updates
192.223.8.0/24 7228 990425
213.91.175.0/24 8866 728461
83.228.71.0/24 8866 594208
192.12.120.0/24 5691 444639
24.121.123.0/24 25994 333358
212.231.230.0/23 29119 268041
208.5.210.0/24 27246 242632
202.154.27.0/24 38879 171861
198.83.143.0/24 47201 160856
221.128.192.0/18 18231 144886
Total number of RIS BGP peering sessions: 642