RIS Statistics Report (20070205-20070212) This report was generated at Mon Feb 12 00:15:01 UTC 2007. 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 APNIC 47516 47019 45955 0 46312 44649 40602 45991 45641 44283 46121 46018 45462 41444 44790 ARIN 78953 78146 76890 209 77756 76794 55237 77300 76927 76239 76311 78026 76761 70315 76658 LACNIC 14915 12231 12121 1531 12176 12166 10548 12095 12139 12135 12123 12162 12168 10858 14820 RIPE NCC 45020 42801 42149 630 43633 42052 38617 41596 42808 41924 42446 43045 42475 39128 42189 AfriNIC 266 266 266 69 266 266 259 266 266 266 266 266 266 262 266 Old 40856 39680 36985 398 38341 38577 29263 38536 37142 36650 37139 39235 37945 35259 37084 IANA 29 29 28 1 27 27 26 27 27 25 27 28 27 26 27 RFC1918 5 1 1 0 3 0 1 0 0 0 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 227560 220173 214395 2838 218514 214531 174553 215811 214950 211522 214433 218780 215104 197292 215834 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 ARIN 12313 12291 12201 186 12257 12237 10091 12200 12186 12145 12195 12287 12234 11390 12174 APNIC 2844 2837 2800 0 2828 2807 2651 2809 2811 2789 2811 2828 2797 2536 2792 RIPE NCC 9237 9214 9200 168 9221 9199 8534 9159 9195 9181 9201 9210 9199 8971 9172 LACNIC 282 282 275 56 280 277 267 279 275 274 274 279 279 249 273 AFRINIC 37 37 37 4 37 37 37 37 37 37 37 37 37 36 37 IANA 2 1 2 0 1 1 1 0 1 1 0 1 1 1 1 Private 100 65 34 1 67 34 37 19 54 20 32 57 28 43 26 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 24817 24729 24551 415 24693 24594 21620 24505 24561 24449 24552 24701 24577 23228 24477 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3435 3955 4815 99 4022 4738 4483 7271 5389 6453 4428 4227 4897 4965 5559 APNIC 732 814 987 0 880 973 1153 1405 1006 1315 955 902 1015 1024 1120 RIPE NCC 2657 3014 3383 125 2927 3406 3304 5117 3440 4365 3374 3025 3354 3519 4014 LACNIC 106 116 129 41 121 138 130 170 136 151 129 122 134 123 141 AFRINIC 18 18 20 3 19 20 20 21 20 20 20 20 20 19 20 IANA 2 1 2 0 1 1 1 0 1 1 0 1 1 1 1 Private 74 41 19 1 48 21 21 11 40 12 21 41 15 30 19 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7025 7960 9356 269 8019 9298 9113 13996 10033 12318 8928 8339 9437 9682 10875 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8878 8336 7386 87 8235 7499 5608 4929 6797 5692 7767 8060 7337 6425 6615 APNIC 2112 2023 1813 0 1948 1834 1498 1404 1805 1474 1856 1926 1782 1512 1672 RIPE NCC 6580 6200 5817 43 6294 5793 5230 4042 5755 4816 5827 6185 5845 5452 5158 LACNIC 176 166 146 15 159 139 137 109 139 123 145 157 145 126 132 AFRINIC 19 19 17 1 18 17 17 16 17 17 17 17 17 17 17 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 26 24 15 0 19 13 16 8 14 8 11 16 13 13 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17792 16769 15195 146 16674 15296 12507 10509 14528 12131 15624 16362 15140 13546 13602 IANA : AS65535 AS45655 Number of 4-byte ASes: 0. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 20619 20659 20611 308 20637 20663 17833 20952 20676 20766 20648 20667 20685 19416 20801 Transit 4072 3955 3813 68 3940 3819 3534 3456 3767 3575 3785 3921 3782 3628 3571 Transit-only 136 125 133 39 125 121 260 102 124 113 124 121 117 193 111 Total 24827 24739 24557 415 24702 24603 21627 24510 24567 24454 24557 24709 24584 23237 24483 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.27 6.22 6.08 4.90 6.08 5.93 6.24 5.84 6.62 5.78 6.08 6.01 6.92 5.86 6.56 Std 2.57 2.53 2.55 3.34 2.56 2.46 2.57 2.38 2.83 2.36 2.64 2.60 2.50 2.60 2.26 o List of martians appearing throughout the week. Prefix Origin AS 10.0.1.0/24 6656 10.20.90.0/24 23352 10.250.250.0/24 23352 192.168.254.0/24 5606 o List of hot-spots during the week. Prefix Origin AS Number of updates 12.170.126.0/24 33188 527537 64.201.12.0/24 33188 521696 62.24.238.0/24 13285 410108 204.94.124.0/24 4755 391502 12.106.30.0/24 22072 279817 12.198.206.0/24 21761 252226 194.42.208.0/20 705 251580 192.96.13.0/24 16637 219441 192.96.14.0/24 16637 219389 198.31.58.0/24 26841 158932 Total number of RIS BGP peering sessions: 591