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RIS Statistics Report
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Generic RIS account
risops at ripe.net
Tue Apr 5 16:25:21 CEST 2005
RIS Statistics Report (20050328-20050404) This report was generated at Mon Apr 4 00:15:01 UTC 2005. 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 rrc14 APNIC 30558 30153 29768 164 29891 29579 29498 29929 29588 29055 15791 29068 29554 ARIN 63419 62427 61905 807 62478 62082 58919 62363 62581 61369 19637 60892 62334 LACNIC 8277 7234 7198 928 8005 7234 7021 7097 7229 7196 4671 6874 7213 RIPE NCC 29748 27658 26547 6046 28279 25981 23598 25387 25538 25885 12740 25953 25694 OLD 33991 32686 31830 1020 33408 32564 30800 32435 32223 31678 10261 31616 32408 IANA 5303 4435 4296 735 5081 4395 4146 4325 4239 4279 2148 4177 4288 RFC1918 17 11 0 0 5 5 0 0 0 0 0 0 1 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 171313 164604 161544 9700 167147 161840 153982 161536 161398 159462 65248 158580 161492 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 rrc14 ARIN 10777 10712 10669 335 10695 10724 10296 10646 10675 10634 5066 10597 10712 APNIC 2212 2196 2198 22 2196 2195 2182 2174 2172 2173 1386 2165 2183 RIPE NCC 6508 6446 6489 2383 6477 6478 5919 6443 6322 6473 4046 6442 6458 LACNIC 112 112 108 9 110 112 110 111 110 107 77 107 110 IANA 6 6 5 0 3 5 5 6 5 5 5 1 5 Private 68 42 24 4 29 22 22 11 33 15 12 15 29 Others 1 1 1 0 1 1 1 1 1 1 0 1 1 Total 19684 19515 19494 2753 19511 19537 18535 19392 19318 19408 10592 19328 19498 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 3220 3755 3777 218 3662 4874 4326 6128 4886 4833 2256 4824 6316 APNIC 657 773 799 16 753 1042 849 1324 947 1054 601 1004 1112 RIPE NCC 1832 2298 2214 1461 2106 2910 2371 4074 2504 2863 1677 2645 3656 LACNIC 49 51 52 8 56 63 56 69 60 55 46 66 67 IANA 5 6 4 0 3 5 5 6 5 5 5 1 5 Private 50 32 12 1 20 15 12 9 24 8 7 11 21 Others 0 0 0 0 0 0 0 0 0 0 0 1 0 Total 5813 6915 6858 1704 6600 8909 7619 11610 8426 8818 4592 8552 11177 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 ARIN 7557 6957 6892 117 7033 5850 5970 4518 5789 5801 2810 5773 4396 APNIC 1555 1423 1399 6 1443 1153 1333 850 1225 1119 785 1161 1071 RIPE NCC 4676 4148 4275 922 4371 3568 3548 2369 3818 3610 2369 3797 2802 LACNIC 63 61 56 1 54 49 54 42 50 52 31 41 43 IANA 1 0 1 0 0 0 0 0 0 0 0 0 0 Private 18 10 12 3 9 7 10 2 9 7 5 4 8 Others 1 1 1 0 1 1 1 1 1 1 0 0 1 Total 13871 12600 12636 1049 12911 10628 10916 7782 10892 10590 6000 10776 8321 IANA : AS64500 AS35871 AS35857 AS35868 AS64000 AS35864 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Leaf 16325 16333 16335 2037 16343 16493 15460 16679 16299 16410 8249 16442 16571 Transit 3238 3056 3050 476 3065 2946 2904 2629 2895 2897 1702 2807 2827 Transit-only 121 126 109 240 103 98 171 84 124 101 641 79 100 Total 19684 19515 19494 2753 19511 19537 18535 19392 19318 19408 10592 19328 19498 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc14 Avg 5.92 6.23 5.82 5.19 5.62 6.23 5.98 5.81 6.42 5.80 6.42 4.63 5.98 Std 2.55 2.61 2.62 2.90 2.38 2.67 2.61 2.30 2.70 2.46 2.65 1.75 3.08 o List of hot-spots during the week. Prefix Origin AS Number of updates 202.64.49.0/24 2706 310171 83.219.160.0/19 34694 304297 202.64.40.0/24 2706 258879 216.243.234.0/23 10970 149662 199.181.158.0/23 4595 140544 198.76.142.0/24 21617 99851 198.76.42.0/24 21617 81828 198.76.141.0/24 21617 81059 198.76.43.0/24 21617 80018 209.114.254.0/24 14359 69625 Total number of RIS BGP peering sessions: 487
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