RIS Statistics Report (20080623-20080630) This report was generated at Mon Jun 30 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 65749 64869 56570 57017 62908 59440 57768 58154 56822 56143 57821 58449 56894 58401 57216 62201 ARIN 94998 93177 88608 89251 89582 90918 89866 92026 87831 90193 90361 89619 88602 90937 92000 88649 LACNIC 21941 18806 18624 19009 18739 19079 19059 19073 18795 18999 19001 18839 19070 18996 21921 18734 RIPE NCC 72127 56485 56583 60279 55608 56165 55840 54770 62776 55857 55622 56302 55629 55512 55358 54955 AfriNIC 1270 1266 1256 1266 1263 1270 1266 1264 1259 1259 1259 1263 1266 1266 1266 1256 Old 44547 42606 41107 41946 41741 42136 42004 41639 41137 41116 41274 41916 41895 42066 41936 41932 IANA 2 0 1 1 0 1 1 1 1 1 1 1 1 1 2 0 RFC1918 42 0 19 0 5 4 2 0 1 4 1 1 0 1 13 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 300676 277209 262768 268769 269846 269013 265806 266927 268622 263572 265340 266390 263357 267180 269712 267727 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 13229 13198 13121 13171 13195 13192 13165 13108 13115 13113 13132 13197 13175 13204 13177 13075 APNIC 3390 3382 3323 3329 3359 3355 3335 3325 3330 3315 3337 3368 3321 3367 3331 3328 RIPE NCC 11211 11185 11171 11159 11177 11168 11173 11119 11170 11160 11177 11181 11161 11167 11134 11140 LACNIC 988 983 976 984 983 982 980 979 975 976 977 983 983 984 985 974 AFRINIC 204 204 201 201 203 202 203 199 200 201 202 203 201 203 200 199 IANA 3 3 3 3 3 3 3 3 3 3 3 2 3 3 3 2 Private 77 43 29 28 41 32 33 19 29 29 25 37 33 30 30 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 29103 28998 28825 28875 28961 28934 28893 28752 28822 28798 28853 28971 28877 28959 28860 28732 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 4082 4702 4793 5292 4769 5261 5609 8035 5877 5613 4793 4623 5387 4680 5718 7991 APNIC 864 994 1075 1211 1056 1210 1098 1555 1229 1169 1039 1041 1139 1052 1336 1697 RIPE NCC 3560 4244 4199 4592 4138 4676 4360 6816 4592 4707 4388 4177 4387 4395 5424 6504 LACNIC 326 403 398 382 386 392 395 476 425 422 391 372 406 372 378 475 AFRINIC 77 85 82 85 84 85 84 95 85 88 84 82 84 83 87 102 IANA 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 Private 61 35 26 23 32 22 26 14 25 25 21 32 25 26 24 13 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8972 10465 10575 11587 10467 11648 11575 16993 12235 12027 10718 10328 11430 10611 12969 16784 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 ARIN 9147 8496 8328 7879 8426 7931 7556 5073 7238 7500 8339 8574 7788 8524 7459 5084 APNIC 2526 2388 2248 2118 2303 2145 2237 1770 2101 2146 2298 2327 2182 2315 1995 1631 RIPE NCC 7651 6941 6972 6567 7039 6492 6813 4303 6578 6453 6789 7004 6774 6772 5710 4636 LACNIC 662 580 578 602 597 590 585 503 550 554 586 611 577 612 607 499 AFRINIC 127 119 119 116 119 117 119 104 115 113 118 121 117 120 113 97 IANA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 Private 16 8 3 5 9 10 7 5 4 4 4 5 8 4 6 1 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 20131 18533 18250 17288 18494 17286 17318 11759 16587 16771 18135 18643 17447 18348 15891 11948 IANA : AS64351 AS63925 AS65535 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 24255 24416 24310 24400 24373 24432 24354 24692 24374 24383 24325 24356 24415 24366 24534 24759 Transit 4728 4466 4392 4360 4468 4388 4426 3958 4324 4299 4397 4492 4349 4473 4217 3876 Transit-only 132 121 128 119 125 119 116 104 126 121 134 127 115 128 113 98 Total 29115 29003 28830 28879 28966 28939 28896 28754 28824 28803 28856 28975 28879 28967 28864 28733 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 rrc16 Avg 5.86 6.12 5.34 5.78 5.40 6.02 5.80 5.42 5.59 6.06 5.38 5.40 6.19 5.27 6.75 4.97 Std 2.38 2.45 2.31 2.30 2.25 2.25 2.43 2.19 2.42 2.37 2.38 2.36 2.41 2.37 2.29 1.62 o List of martians appearing throughout the week. Prefix Origin AS 10.0.22.0/24 39912 10.10.10.0/30 8342 10.10.12.0/24 34245 10.10.13.0/24 34245 10.12.0.1/32 47317 10.20.0.0/20 39912 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 10.205.252.0/24 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 10.221.3.114/32 1267 10.221.3.115/32 1267 172.23.224.0/28 2119 172.30.254.0/24 4771 192.168.1.0/30 8196 192.168.13.0/24 47317 192.168.109.0/24 34245 o List of hot-spots during the week. Prefix Origin AS Number of updates 83.228.71.0/24 8866 669520 192.12.120.0/24 5691 533206 221.134.222.0/24 9583 501515 213.91.175.0/24 8866 495314 210.214.128.0/23 9583 415940 24.121.123.0/24 25994 394678 208.5.210.0/24 27246 287973 212.231.230.0/23 29119 239952 221.128.192.0/18 18231 170696 81.21.104.0/24 31065 135897 Total number of RIS BGP peering sessions: 642