RIS Statistics Report (20071119-20071126) This report was generated at Mon Nov 26 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 58768 53647 54899 0 57597 52787 52844 53066 52630 51274 53009 53382 52454 53472 52532 ARIN 88155 85127 84376 0 85413 84685 85378 84653 84655 84599 85371 85589 84211 85882 86021 LACNIC 18463 16006 15925 0 16015 16008 16006 16045 15972 15943 15931 15841 15946 16027 18423 RIPE NCC 242111 49212 129296 0 51025 48499 49538 47797 153742 48153 48496 49127 53847 48417 48186 AfriNIC 2512 2497 2502 0 2505 2473 2501 2475 2493 2466 2498 2467 2489 2478 2474 Old 40312 39201 38254 0 39326 38884 38922 38923 38433 37977 38359 38706 38040 39028 39134 IANA 53 3 45 0 44 4 3 2 8 2 3 45 5 3 2 RFC1918 540 1 22 0 8 0 496 0 4 0 10 0 2 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 450914 245694 325319 0 251933 243340 245688 242961 347937 240414 243677 245157 246994 245307 246772 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 12944 12919 12850 0 12931 12904 0 0 0 12808 0 12902 12816 12923 12879 APNIC 3096 3081 3053 0 3074 3053 0 0 0 3038 0 3075 3032 3071 3046 RIPE NCC 10631 10589 10599 0 10613 10573 0 0 0 10555 0 10557 10598 10577 10555 LACNIC 399 398 393 0 398 396 0 0 0 392 0 397 391 398 398 AFRINIC 74 74 74 0 74 74 0 0 0 74 0 74 74 74 74 IANA 1 1 1 0 1 1 0 0 0 1 0 1 1 1 1 Private 65 39 45 0 51 35 0 0 0 27 0 37 37 33 26 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 27211 27101 27016 0 27142 27036 0 0 0 26895 0 27043 26949 27077 26979 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 4134 4548 4624 0 4441 5326 0 0 0 6871 0 4984 5466 4644 6208 APNIC 847 945 975 0 963 1073 0 0 0 1311 0 992 1118 990 1220 RIPE NCC 3253 3689 3596 0 3522 4111 0 0 0 4550 0 3987 3811 3956 4859 LACNIC 162 184 192 0 174 189 0 0 0 217 0 193 201 188 187 AFRINIC 32 34 35 0 36 37 0 0 0 41 0 38 36 37 39 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 40 20 26 0 30 19 0 0 0 14 0 22 20 20 12 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 8468 9420 9448 0 9166 10755 0 0 0 13004 0 10216 10652 9835 12525 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8810 8371 8226 0 8490 7578 0 0 0 5937 0 7918 7350 8279 6671 APNIC 2249 2136 2078 0 2111 1980 0 0 0 1727 0 2083 1914 2081 1826 RIPE NCC 7378 6900 7003 0 7091 6462 0 0 0 6005 0 6570 6787 6621 5696 LACNIC 237 214 201 0 224 207 0 0 0 175 0 204 190 210 211 AFRINIC 42 40 39 0 38 37 0 0 0 33 0 36 38 37 35 IANA 1 1 1 0 1 1 0 0 0 1 0 1 1 1 1 Private 25 19 19 0 21 16 0 0 0 13 0 15 17 13 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 18743 17681 17568 0 17976 16281 0 0 0 13891 0 16827 16297 17242 14454 IANA : AS65535 Number of 4-byte ASes: 12. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 22649 22715 22657 0 22694 22775 0 0 0 22827 0 22769 22731 22737 22904 Transit 4439 4258 4224 0 4324 4154 0 0 0 3948 0 4157 4083 4224 3963 Transit-only 138 136 146 0 135 119 0 0 0 129 0 124 139 128 116 Total 27226 27109 27027 0 27153 27048 0 0 0 26904 0 27050 26953 27089 26983 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.15 6.34 5.90 0.00 6.12 5.98 0.00 0.00 0.00 6.22 0.00 5.50 6.65 5.58 6.96 Std 2.73 2.66 2.78 0.00 2.86 2.69 0.00 0.00 0.00 2.71 0.00 2.41 2.71 2.68 2.70 Can not connect to DB rrc00 Can not connect to DB rrc00 Total number of RIS BGP peering sessions: 606