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RIS Statistics Report
by risops＠ripe.net 25 Apr '07

25 Apr '07

RIS Statistics Report (20070416-20070423) This report was generated at Mon Apr 23 00:15:02 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 49391 48050 47618 8563 48277 45735 46217 27182 47386 36725 47855 47650 47206 42962 41171 ARIN 80336 79113 78283 9317 79293 75326 78959 31657 78315 47377 78675 79185 78926 73824 70000 LACNIC 16433 12833 12787 4070 12883 12882 12894 6600 12825 9876 12821 12853 12878 12676 14183 RIPE NCC 47185 44563 44239 8546 45434 42388 44290 23813 43748 29005 43743 45414 44606 40478 38700 AfriNIC 396 391 396 142 396 392 396 262 396 352 396 396 396 390 334 Old 40347 39500 38029 5337 39300 38018 38383 17906 37666 19386 38213 38986 38848 36193 35679 IANA 137 136 135 40 136 136 136 87 136 96 137 136 136 126 125 RFC1918 7 0 0 0 3 0 0 0 1 0 1 1 4 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 234232 224586 221487 36015 225722 214877 221275 107507 220473 142817 221841 224621 223000 206649 200192 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 12499 12476 12378 2132 12464 11838 12435 7410 12383 8219 12403 12469 12427 11740 11384 APNIC 2909 2904 2874 579 2899 2849 2879 1995 2883 2550 2884 2897 2876 2682 2687 RIPE NCC 9598 9563 9550 2302 9576 9383 9550 6438 9433 7306 9538 9574 9566 9198 8688 LACNIC 300 299 293 118 299 298 299 206 293 251 293 298 298 297 285 AFRINIC 46 46 46 13 46 46 46 40 46 42 46 46 46 45 44 IANA 3 3 1 0 1 1 1 0 1 1 2 1 0 2 0 Private 84 66 32 1 62 36 60 23 45 20 35 52 45 28 36 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25441 25359 25176 5145 25349 24453 25272 16112 25086 18390 25203 25339 25260 23993 23125 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3749 4236 4658 1565 4121 6067 5283 3646 4992 4393 4467 4656 4681 5344 5798 APNIC 770 857 943 402 892 1095 1014 946 1004 1204 918 947 1027 1001 1207 RIPE NCC 2809 3293 3347 1576 3130 4242 3537 2949 3470 3279 3755 3577 3390 4109 4175 LACNIC 118 128 134 94 126 164 138 104 140 136 135 135 142 149 152 AFRINIC 25 25 27 10 26 28 26 24 25 25 27 26 26 27 25 IANA 2 2 0 0 0 1 1 0 0 0 1 0 0 2 0 Private 53 39 21 1 40 20 37 15 29 14 23 37 27 20 21 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7526 8580 9130 3648 8335 11617 10036 7684 9660 9052 9326 9378 9293 10652 11378 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8750 8240 7720 567 8343 5771 7152 3764 7391 3826 7936 7813 7746 6396 5586 APNIC 2139 2047 1931 177 2007 1754 1865 1049 1879 1346 1966 1950 1849 1681 1480 RIPE NCC 6789 6270 6203 726 6446 5141 6013 3489 5963 4027 5783 5997 6176 5089 4513 LACNIC 182 171 159 24 173 134 161 102 153 115 158 163 156 148 133 AFRINIC 21 21 19 3 20 18 20 16 21 17 19 20 20 18 19 IANA 1 1 1 0 1 0 0 0 1 1 1 1 0 0 0 Private 31 27 11 0 22 16 23 8 16 6 12 15 18 8 15 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17915 16779 16046 1497 17014 12836 15236 8428 15426 9338 15877 15961 15967 13341 11747 IANA : AS65535 AS6.3 AS47202 Number of 4-byte ASes: 6. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21170 21227 21180 3839 21216 20634 21256 13012 21120 15012 21224 21286 21288 20178 19511 Transit 4143 4003 3875 394 4008 3676 3885 2395 3838 2903 3851 3924 3851 3614 3370 Transit-only 146 139 128 916 133 151 140 710 134 479 132 135 129 206 248 Total 25459 25369 25183 5149 25357 24461 25281 16117 25092 18394 25207 25345 25268 23998 23129 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.27 6.43 5.80 5.08 6.14 6.12 6.05 6.10 6.50 5.96 5.74 6.28 6.78 5.90 6.96 Std 2.61 2.60 2.52 2.26 2.67 2.35 2.54 2.58 2.81 2.50 2.62 2.68 2.52 2.72 2.40 o List of martians appearing throughout the week. Prefix Origin AS 10.13.4.0/30 3212 10.221.0.0/16 8402 172.16.63.28/30 8359 172.26.202.232/32 8434 192.0.2.0/24 2854 192.168.17.8/30 8402 192.168.17.56/30 8402 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 586098 81.213.47.0/24 9121 495033 81.212.197.0/24 9121 488989 12.170.126.0/24 33188 436161 64.201.12.0/24 33188 435006 80.243.64.0/20 21332 396388 12.168.177.0/24 11725 287515 12.106.30.0/24 22072 198151 194.88.240.0/23 2128 189682 193.242.111.0/24 2128 189657 Total number of RIS BGP peering sessions: 579

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RIS Statistics Report
by risops＠ripe.net 17 Apr '07

17 Apr '07

RIS Statistics Report (20070409-20070416) This report was generated at Mon Apr 16 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 49001 48069 47553 8265 47715 41710 45966 18181 47179 33497 47181 46365 47357 46328 27262 ARIN 79768 78776 78095 9365 77766 64557 78255 29191 78020 46556 78173 78109 78673 78257 42960 LACNIC 18561 15007 14996 3266 14988 13377 15065 8766 15019 12291 14996 15015 15052 15039 15727 RIPE NCC 46882 44750 44287 7347 44539 39644 43592 21515 43047 32028 43681 44270 44790 43312 27911 AfriNIC 357 352 357 103 357 353 357 221 357 253 357 357 357 357 256 Old 40219 39496 38315 4858 38206 34367 38313 14326 37624 23274 37915 38214 38370 38154 22891 IANA 111 109 110 36 109 104 109 58 108 98 110 109 109 110 81 RFC1918 5 0 0 0 2 0 0 0 0 0 0 0 3 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 234904 226559 223713 33240 223682 194112 221657 92258 221354 147997 222413 222439 224711 221557 137088 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 12480 12462 12376 2933 12377 11378 12401 6657 12361 9083 12370 12406 12387 12393 8462 APNIC 2901 2898 2865 755 2887 2762 2868 1574 2858 2215 2861 2888 2867 2873 2013 RIPE NCC 9566 9526 9531 2672 9528 9161 9510 6073 9156 7898 9503 9536 9531 9500 6673 LACNIC 297 297 291 116 292 273 294 221 289 263 291 294 292 295 269 AFRINIC 46 46 46 15 46 46 46 37 46 41 46 46 46 46 39 IANA 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 Private 75 60 47 1 57 23 52 11 47 15 29 48 40 20 22 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25369 25293 25160 6493 25191 23647 25175 14575 24761 19518 25103 25222 25167 25130 17481 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3738 4043 4306 2224 4584 5499 5962 2989 4770 4517 4721 4896 4893 6094 4024 APNIC 773 815 896 522 959 1133 1178 639 1052 990 970 1000 1056 1168 840 RIPE NCC 2841 3306 3227 1870 3386 4462 3857 2848 3612 3820 3814 3458 3592 4210 2993 LACNIC 119 126 127 91 124 130 145 110 134 131 132 139 145 147 125 AFRINIC 28 28 29 13 29 30 29 24 29 25 29 30 29 30 25 IANA 1 1 2 1 2 2 2 2 2 2 2 2 2 2 2 Private 47 34 34 1 35 10 32 7 38 10 21 38 26 15 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7547 8353 8621 4722 9119 11266 11205 6619 9637 9495 9689 9563 9743 11666 8020 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8742 8419 8070 709 7793 5879 6439 3668 7591 4566 7649 7510 7494 6299 4438 APNIC 2128 2083 1969 233 1928 1629 1690 935 1806 1225 1891 1888 1811 1705 1173 RIPE NCC 6725 6220 6304 802 6142 4699 5653 3225 5544 4078 5689 6078 5939 5290 3680 LACNIC 178 171 164 25 168 143 149 111 155 132 159 155 147 148 144 AFRINIC 18 18 17 2 17 16 17 13 17 16 17 16 17 16 14 IANA 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 28 26 13 0 22 13 20 4 9 5 8 10 14 5 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17822 16940 16539 1771 16072 12381 13970 7956 15124 10023 15414 15659 15424 13464 9461 IANA : AS65535 AS47202 Number of 4-byte ASes: 3. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21120 21197 21132 5012 21153 19944 21252 11649 20893 16084 21197 21225 21295 21269 14248 Transit 4122 3971 3900 522 3916 3518 3801 2175 3727 2963 3788 3868 3759 3740 2702 Transit-only 142 136 133 963 133 193 132 756 147 474 124 137 123 129 536 Total 25384 25304 25165 6497 25202 23655 25185 14580 24767 19521 25109 25230 25177 25138 17486 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.18 6.14 5.67 5.24 6.24 5.88 6.05 5.99 6.35 5.81 5.72 6.22 6.95 5.78 7.04 Std 2.52 2.46 2.42 2.09 2.59 2.29 2.42 2.48 2.66 2.41 2.49 2.61 2.43 2.57 2.39 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/16 25232 10.221.0.0/16 8402 192.0.2.0/24 2854 192.168.17.8/30 8402 192.168.17.56/30 8402 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 610571 80.243.64.0/20 21332 559249 81.213.47.0/24 9121 528278 81.212.197.0/24 9121 482214 64.201.12.0/24 33188 454710 12.170.126.0/24 33188 451489 203.193.188.0/24 7633 319311 12.168.177.0/24 11725 217796 193.242.111.0/24 2128 205252 194.88.240.0/23 2128 205132 Total number of RIS BGP peering sessions: 582

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RIS Statistics Report
by risops＠ripe.net 10 Apr '07

10 Apr '07

RIS Statistics Report (20070402-20070409) This report was generated at Mon Apr 9 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 48023 45886 45954 9559 46394 45895 40040 24796 46754 45812 45938 46312 46492 42608 41177 ARIN 79968 78423 78029 9735 79177 78600 63467 64168 78192 78230 77862 78439 77690 74558 70192 LACNIC 15933 12616 12627 3257 12654 12686 9427 12370 12641 12625 12610 12655 12583 12392 13797 RIPE NCC 46840 43902 44140 7975 44904 43778 34679 36429 44964 44045 43687 44374 43673 42255 39295 AfriNIC 347 342 347 152 347 347 302 298 347 347 347 347 340 334 322 Old 39675 38782 37993 5152 38654 38629 30161 29582 37815 37635 37587 38606 37804 36515 34060 IANA 152 82 88 19 86 105 81 73 86 86 102 133 71 67 85 RFC1918 10 2 1 0 5 0 2 0 0 0 0 3 1 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 230948 220035 219179 35849 222221 220040 178159 167716 220799 218780 218133 220869 218654 208729 198928 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 12453 12388 12347 2754 12423 12401 10233 10326 12328 12300 12333 12419 12293 11952 11074 APNIC 2899 2883 2856 729 2882 2867 2658 1818 2868 2850 2859 2875 2854 2684 2733 RIPE NCC 9522 9461 9475 2578 9484 9458 7902 8318 9482 9446 9453 9488 9453 9306 8933 LACNIC 300 299 293 87 298 298 263 286 292 291 294 298 293 289 267 AFRINIC 45 45 45 15 45 45 41 42 45 45 45 45 45 45 42 IANA 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Private 80 43 38 1 62 34 42 17 46 20 30 42 35 18 25 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25303 25121 25057 6165 25196 25105 21141 20809 25063 24954 25017 25169 24975 24296 23076 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3851 4991 4945 2058 4671 5248 4758 6034 5488 6242 5634 4866 5219 5898 6047 APNIC 818 1091 934 512 995 1053 1092 872 1087 1294 1236 943 1088 1066 1296 RIPE NCC 2805 3753 3336 1779 3393 3899 3014 4713 3901 4769 4299 3442 3827 4607 4661 LACNIC 126 149 139 60 137 151 137 177 148 166 160 148 154 162 140 AFRINIC 24 24 26 12 25 27 22 26 24 27 26 25 28 28 26 IANA 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Private 54 23 20 0 37 21 25 11 32 12 18 26 22 9 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7681 10032 9402 4422 9259 10400 9049 11835 10681 12511 11376 9451 10339 11772 12190 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8602 7397 7402 696 7752 7153 5475 4292 6840 6058 6699 7553 7074 6054 5027 APNIC 2081 1792 1922 217 1887 1814 1566 946 1781 1556 1623 1932 1766 1618 1437 RIPE NCC 6717 5708 6139 799 6091 5559 4888 3605 5581 4677 5154 6046 5626 4699 4272 LACNIC 174 150 154 27 161 147 126 109 144 125 134 150 139 127 127 AFRINIC 21 21 19 3 20 18 19 16 21 18 19 20 17 17 16 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 26 20 18 1 25 13 17 6 14 8 12 16 13 9 7 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17622 15089 15655 1743 15937 14705 12092 8974 14382 12443 13641 15718 14636 12524 10886 IANA : AS65535 AS47202 Number of 4-byte ASes: 3. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21080 21152 21059 4720 21134 21199 17416 17479 21183 21206 21162 21157 21210 20601 19636 Transit 4096 3857 3869 493 3947 3804 3320 2985 3757 3626 3726 3896 3656 3536 3245 Transit-only 142 122 135 956 127 111 414 351 130 128 134 125 116 166 203 Total 25318 25131 25063 6169 25208 25114 21150 20815 25070 24960 25022 25178 24982 24303 23084 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.29 6.70 5.95 5.27 6.30 5.68 6.25 5.87 6.44 5.67 6.00 6.19 6.50 5.64 6.84 Std 2.58 2.62 2.57 2.17 2.64 2.26 2.51 2.51 2.81 2.29 2.63 2.66 2.29 2.57 2.26 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 65333 10.20.90.0/24 23352 10.52.254.136/30 8342 10.221.0.0/16 8402 172.16.0.0/12 65333 192.0.2.0/24 2854 192.168.0.0/16 65333 192.168.1.0/24 5606 192.168.50.0/24 25232 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 630251 80.243.64.0/20 21332 565293 81.213.47.0/24 9121 481255 12.170.126.0/24 33188 467890 64.201.12.0/24 33188 466437 81.212.197.0/24 9121 449529 203.193.188.0/24 7633 284025 193.242.111.0/24 2128 209242 194.88.240.0/23 2128 209091 192.96.13.0/24 16637 196199 Total number of RIS BGP peering sessions: 580

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RIS Statistics Report
by risops＠ripe.net 03 Apr '07

03 Apr '07

RIS Statistics Report (20070326-20070402) This report was generated at Mon Apr 2 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 54646 53449 47617 10642 48398 46234 46163 52921 47735 46184 53062 47270 47008 52831 46381 ARIN 81046 79932 78807 10875 80136 79382 80089 79733 79364 79119 79121 79200 79400 80043 79433 LACNIC 15960 12708 12675 4345 12734 12765 12767 12746 12712 12683 12682 12670 12717 12773 15834 RIPE NCC 52154 47097 44212 13426 48330 43315 44179 42751 50044 43749 46594 45017 44624 43181 43654 AfriNIC 334 329 334 174 334 334 334 334 334 334 334 334 334 334 334 Old 40450 39614 38167 5784 39319 38820 39072 39007 38353 37712 38193 38086 38791 38998 37917 IANA 152 90 91 16 90 93 73 90 74 87 91 74 118 91 73 RFC1918 39 1 0 0 27 0 0 0 4 0 24 1 7 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 244781 233220 221903 45262 229368 220943 222677 227582 228620 219868 230101 222652 222999 228251 223626 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 12467 12445 12369 3012 12448 12408 12428 12356 12357 12326 12364 12355 12391 12433 12334 APNIC 2900 2893 2866 790 2891 2870 2867 2867 2872 2864 2873 2876 2855 2886 2850 RIPE NCC 9485 9434 9442 2912 9458 9412 9427 9378 9449 9409 9418 9453 9444 9411 9397 LACNIC 298 298 291 118 297 294 295 295 291 290 291 291 296 296 288 AFRINIC 46 46 46 16 46 46 46 46 46 46 46 46 46 46 46 IANA 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 Private 93 67 47 2 57 28 54 34 48 16 45 51 38 40 24 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25293 25187 25065 6851 25201 25062 25121 24980 25067 24955 25041 25076 25074 25116 24943 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3647 4051 4204 2265 3988 5984 4857 7097 4679 5876 4512 4482 4668 4571 5623 APNIC 761 816 904 557 868 1097 997 1367 973 1167 923 962 980 910 1195 RIPE NCC 2673 3189 3090 2011 2960 3887 3409 5228 3245 4042 3604 3072 3306 3719 4243 LACNIC 123 136 135 89 135 157 145 176 146 161 138 144 143 142 146 AFRINIC 26 26 28 14 27 29 28 29 28 29 28 28 28 28 29 IANA 1 2 2 0 2 2 2 2 2 2 2 2 2 2 2 Private 64 41 33 1 35 17 34 28 36 11 33 37 24 32 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7295 8261 8396 4937 8015 11174 9473 13928 9109 11289 9240 8727 9151 9404 11255 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8820 8394 8165 747 8460 6424 7571 5259 7678 6450 7852 7873 7723 7862 6711 APNIC 2139 2077 1962 233 2023 1773 1870 1500 1899 1697 1950 1914 1875 1976 1655 RIPE NCC 6812 6245 6352 901 6498 5525 6018 4150 6204 5367 5814 6381 6138 5692 5154 LACNIC 175 162 156 29 162 137 150 119 145 129 153 147 153 154 142 AFRINIC 20 20 18 2 19 17 18 17 18 17 18 18 18 18 17 IANA 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 Private 29 26 14 1 22 11 20 6 12 5 12 14 14 8 8 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17998 16926 16669 1914 17186 13888 15648 11052 15958 13666 15801 16349 15923 15712 13688 IANA : AS65535 AS47202 Number of 4-byte ASes: 3. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 21012 21080 20991 5301 21062 21188 21112 21362 21103 21163 21085 21081 21130 21149 21202 Transit 4163 3990 3945 579 4022 3772 3902 3519 3849 3674 3846 3870 3834 3858 3631 Transit-only 138 132 134 975 129 111 120 102 121 122 120 131 120 117 117 Total 25313 25202 25070 6855 25213 25071 25134 24983 25073 24959 25051 25082 25084 25124 24950 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.17 6.31 5.77 5.18 6.05 5.81 5.87 5.65 6.34 5.56 5.70 6.09 6.75 5.64 6.81 Std 2.60 2.61 2.55 2.22 2.62 2.43 2.47 2.39 2.81 2.34 2.56 2.64 2.46 2.72 2.39 o List of martians appearing throughout the week. Prefix Origin AS 10.0.0.0/8 3741 10.5.42.0/24 29076 10.20.90.0/24 23352 10.168.10.0/24 16095 10.221.0.0/16 8402 10.245.1.136/30 8642 10.245.7.188/30 8642 10.250.48.0/25 8642 10.250.48.128/25 8642 10.250.49.0/25 8642 10.250.49.128/25 8642 10.250.50.0/25 8642 10.250.50.128/25 8642 10.250.51.0/25 8642 10.250.51.128/25 8642 10.250.52.0/25 8642 10.250.52.128/25 8642 10.250.53.0/25 8642 10.250.53.128/25 8642 10.250.54.0/25 8642 10.250.54.128/25 8642 10.250.55.0/25 8642 10.250.55.128/25 8642 10.250.250.0/24 23352 10.255.24.0/25 8642 10.255.24.128/25 8642 172.16.63.28/30 8359 172.21.0.0/16 16095 172.21.240.207/32 8642 172.21.240.208/32 8642 172.21.244.8/32 8642 172.26.202.232/32 8434 172.31.254.0/23 2055 192.0.2.0/24 2854 192.168.0.0/24 29076 192.168.10.0/24 29076 192.168.17.8/30 8402 192.168.17.56/30 8402 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.204.228.0/23 34040 599240 62.24.238.0/24 13285 425052 80.243.64.0/20 21332 310335 12.170.126.0/24 33188 217643 81.213.47.0/24 9121 209427 202.144.0.0/24 9583 206904 64.201.12.0/24 33188 195023 81.212.197.0/24 9121 186757 194.26.22.0/23 15536 183564 221.135.216.0/24 9583 177032 Total number of RIS BGP peering sessions: 579

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RIS modifications for 4-byte ASNs on 27 March
by Erik Romijn 28 Mar '07

28 Mar '07

[Apologies for duplicates] Dear Colleagues On 1 January 2007, we began assigning 4-byte Autonomous System Numbers (ASNs). We need to modify the Routing Information Service (RIS) and RIS raw data dumps to include these in its output. You may need to update any tools that parse RIS output. We will switch one Remote Route Collector (RRC) to 4-byte ASN supporting software on 27 March 2007, somewhere between 09:00 and 13:00 (UTC). We plan to switch the other RRCs to 4-byte ASN supporting software on 28 March 2007, between 09:00 and 17:00 (UTC). Details of the changes to the RIS can be found at: http://www.ripe.net/projects/ris/docs/asn.html If you have any questions, please send an e-mail to <ris(a)ripe.net>. Regards, Erik Romijn Information Services Department RIPE NCC

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RIS Statistics Report
by risops＠ripe.net 28 Mar '07

28 Mar '07

RIS Statistics Report (20070319-20070326) This report was generated at Mon Mar 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 48720 47287 46576 9710 48010 40644 45559 20191 46691 40541 47191 46984 46439 43214 25700 ARIN 79529 78253 77640 10074 78418 67631 77996 21605 77495 63033 77583 77841 77934 72895 39886 LACNIC 15045 12508 12473 4012 12534 10618 12569 8730 12483 10215 12475 12509 12517 10945 10891 RIPE NCC 46749 43263 43345 8809 44527 39557 43493 23497 44061 31121 42902 43605 43243 41620 29371 AfriNIC 332 326 331 160 331 325 331 233 331 303 331 331 331 331 295 Old 41362 39957 38779 5281 39276 35961 38826 12995 38207 29998 38123 38879 38752 36921 18180 IANA 127 70 69 2 69 65 53 55 53 45 69 53 53 68 98 RFC1918 3 0 0 0 3 0 0 0 0 0 1 1 1 0 0 OTHER 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 TOTAL 231868 221664 219213 38048 223169 194801 218827 87306 219321 175256 218675 220203 219270 205994 124421 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 ARIN 12427 12391 12330 3114 12414 11611 12380 5749 12316 10325 12317 12403 12351 11691 7596 APNIC 2891 2884 2855 858 2884 2579 2859 1709 2865 2596 2866 2863 2851 2728 2040 RIPE NCC 9442 9392 9405 3056 9422 8843 9265 6237 9399 7520 9380 9416 9408 9276 7056 LACNIC 299 298 291 127 297 264 296 230 291 265 291 295 296 284 237 AFRINIC 44 44 44 15 44 43 44 36 44 38 44 44 44 44 35 IANA 2 1 1 0 1 1 1 1 1 1 1 1 1 1 2 Private 74 49 46 1 57 23 37 19 42 13 30 34 40 20 18 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25181 25061 24974 7171 25121 23366 24884 13981 24960 20760 24931 25058 24993 24046 16984 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3712 4643 4298 2318 3976 5862 5372 2620 4688 5712 4852 4732 4837 5276 3380 APNIC 778 958 895 593 881 1132 1116 710 977 1329 961 991 1023 1009 915 RIPE NCC 2708 3352 3114 2098 2948 3960 3591 2749 3386 3424 3780 3617 3370 3834 2913 LACNIC 123 137 128 94 128 139 139 127 141 142 140 133 136 141 118 AFRINIC 23 24 25 11 24 26 26 19 26 21 26 26 25 26 18 IANA 2 1 1 0 1 1 1 1 1 1 1 1 1 1 2 Private 50 30 35 1 39 15 21 12 33 11 21 22 28 15 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7396 9145 8496 5115 7997 11135 10266 6238 9252 10640 9782 9522 9420 10303 7360 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8715 7748 8032 796 8438 5749 7008 3129 7628 4613 7465 7671 7514 6415 4216 APNIC 2113 1926 1960 265 2003 1447 1743 999 1888 1267 1905 1872 1828 1719 1125 RIPE NCC 6734 6040 6291 958 6474 4883 5674 3488 6013 4096 5600 5799 6038 5442 4143 LACNIC 176 161 163 33 169 125 157 103 150 123 151 162 160 143 119 AFRINIC 21 20 19 4 20 17 18 17 18 17 18 18 19 18 17 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 24 19 11 0 18 8 16 7 9 2 9 12 12 5 4 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17785 15916 16478 2056 17124 12231 14618 7743 15708 10120 15149 15536 15573 13743 9624 IANA : AS65535 AS47202 Number of 4-byte ASes: 2. Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Leaf 20940 21016 20930 5556 20996 19634 20927 10956 21031 17323 21022 21060 21063 20168 13738 Transit 4131 3941 3922 619 4016 3519 3837 2273 3821 3090 3800 3886 3824 3695 2685 Transit-only 126 118 128 998 122 223 133 755 115 353 116 121 115 192 566 Total 25197 25075 24980 7173 25134 23376 24897 13984 24967 20766 24938 25067 25002 24055 16989 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.31 6.54 5.87 5.43 6.08 6.04 6.19 6.17 6.45 5.93 5.97 6.35 6.96 5.95 7.17 Std 2.63 2.69 2.54 2.20 2.62 2.53 2.51 2.51 2.78 2.52 2.58 2.73 2.48 2.74 2.44 o List of martians appearing throughout the week. Prefix Origin AS 10.250.250.0/24 23352 172.16.63.28/30 8359 192.0.2.0/24 2854 o List of hot-spots during the week. Prefix Origin AS Number of updates 62.24.238.0/24 13285 628960 80.243.64.0/20 21332 526596 12.170.126.0/24 33188 457554 64.201.12.0/24 33188 447614 193.17.172.0/24 31026 377545 194.26.22.0/23 15536 355629 12.106.30.0/24 22072 317682 62.204.228.0/23 34040 267011 208.14.186.0/24 22140 239489 212.252.196.0/24 31307 238342 Total number of RIS BGP peering sessions: 575

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RIS Maintenance Announcement: Thursday 22 March, 2007
by Erik Romijn 20 Mar '07

20 Mar '07

[Apologies for duplicate e-mails] Dear Colleagues, On Thursday, 22 March 2007, there will be planned maintenance on the Routing Information Service (RIS). This work will make the RIS database compatible with 4-byte Autonomous System Numbers. At 16:45 (UTC), the RIS database will stop inserting data. Between 17:00 and 18:00 (UTC), the database servers will be stopped twice for about 30 minutes. All RIS tools, except the Looking Glass, will be unavailable for up to one hour. Data collection will continue during the maintenance. When the system restarts, it may be a few hours until all the stored updates are inserted. We thank you for your patience and apologise for any inconvenience this may cause. If you have any questions about this work, please e-mail us at: ris(a)ripe.net Regards, Erik Romijn Information Services RIPE NCC

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RIS Statistics Report
by risops＠ripe.net 19 Mar '07

19 Mar '07

RIS Statistics Report (20070312-20070319) This report was generated at Mon Mar 19 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 50229 47655 48011 19 49261 39800 40175 23651 49022 42067 47158 48658 46394 44695 45496 ARIN 82699 77681 80541 480 81873 57942 64952 28015 81060 65474 81259 81737 81493 79624 80946 LACNIC 15478 12448 12113 2533 12474 11527 10851 7896 12421 10714 12392 12447 12454 12153 14731 RIPE NCC 47805 43418 43231 2179 45006 35972 34195 25958 43891 37921 43271 44165 43782 42482 43030 AfriNIC 326 319 320 77 323 269 262 242 325 316 325 325 325 325 326 Old 40275 39221 37861 826 39211 31480 31850 15045 38212 31288 38121 39062 38742 37474 37627 IANA 94 36 37 0 36 29 31 25 36 31 37 36 36 36 92 RFC1918 10 3 2 1 4 0 0 0 0 0 3 1 3 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 236916 220781 222116 6115 228188 177019 182316 100832 224967 187811 222566 226431 223229 216789 222248 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 12386 12356 12267 280 12369 10681 10770 5828 12284 10941 12280 12365 12309 11989 12213 APNIC 2881 2873 2827 4 2865 2680 2607 1927 2850 2781 2852 2857 2834 2808 2824 RIPE NCC 9398 9347 9323 558 9380 8449 7898 6538 9356 8503 9341 9374 9363 9325 9308 LACNIC 294 294 288 67 293 277 266 214 288 269 289 291 292 290 272 AFRINIC 43 43 42 5 43 41 36 38 43 42 43 43 43 43 43 IANA 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 Private 79 44 32 2 66 24 31 14 45 16 29 49 39 25 25 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25084 24959 24781 916 25018 22154 21610 14560 24868 22554 24836 24981 24882 24482 24688 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3702 4336 4208 182 4012 4924 4833 2451 4764 5370 4646 4369 4844 4937 5637 APNIC 736 834 877 4 840 1045 1037 700 998 1297 964 874 996 951 1170 RIPE NCC 2817 3225 3309 445 3057 3785 3032 3047 3655 4002 3607 3247 3527 3637 4282 LACNIC 115 124 131 53 126 139 137 114 136 145 138 126 136 135 141 AFRINIC 24 24 25 4 26 24 19 22 26 25 25 26 26 26 26 IANA 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 Private 53 23 15 1 44 12 11 6 32 11 18 32 25 16 16 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7448 8566 8566 689 8105 9930 9070 6341 9612 10851 9399 8675 9555 9703 11274 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8684 8020 8059 98 8357 5757 5937 3377 7520 5571 7634 7996 7465 7052 6576 APNIC 2145 2039 1950 0 2025 1635 1570 1227 1852 1484 1888 1983 1838 1857 1654 RIPE NCC 6581 6122 6014 113 6323 4664 4866 3491 5701 4501 5734 6127 5836 5688 5026 LACNIC 179 170 157 14 167 138 129 100 152 124 151 165 156 155 131 AFRINIC 19 19 17 1 17 17 17 16 17 17 18 17 17 17 17 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 26 21 17 1 22 12 20 8 13 5 11 17 14 9 9 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17636 16393 16215 227 16913 12224 12540 8219 15256 11703 15437 16306 15327 14779 13414 IANA : AS65535 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 20834 20875 20749 771 20899 18472 17882 11471 20933 18895 20884 20907 20945 20518 21005 Transit 4130 3971 3905 117 4006 3386 3363 2392 3827 3435 3835 3957 3830 3827 3584 Transit-only 131 123 132 30 123 306 376 703 113 227 122 124 116 145 104 Total 25095 24969 24786 918 25028 22164 21621 14566 24873 22557 24841 24988 24891 24490 24693 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.29 6.54 6.00 3.97 5.94 6.11 6.26 6.13 6.41 5.85 5.97 6.17 6.93 5.85 6.96 Std 2.61 2.65 2.55 2.82 2.56 2.52 2.55 2.48 2.79 2.49 2.59 2.68 2.51 2.67 2.39 o List of martians appearing throughout the week. Prefix Origin AS 10.10.10.0/30 8342 10.25.2.0/24 25232 10.221.0.0/16 8402 10.250.250.0/24 23352 192.0.2.0/24 2854 192.168.17.8/30 8402 192.168.17.56/30 8402 192.168.255.0/30 32767 192.168.255.4/30 32767 Can not connect to DB rrc04 Total number of RIS BGP peering sessions: 575

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Update to RIS raw data format for 4-byte ASNs
by Erik Romijn 15 Mar '07

15 Mar '07

Dear Colleagues, This is an update concerning 4-byte Autonomous System Numbers (ASNs). An IETF draft has been released describing a new version of the MRT format, used for RIS raw data. We have published a new version of libbgpdump to support this, which can be downloaded from: http://www.ris.ripe.net/source/ There is at this stage no set date on which 4-byte ASNs will appear in the RIS. The current raw data does not use the new format. Details of the changes to RIS for 4-byte ASNs, including more information on the new raw data format, can be found at: http://www.ripe.net/projects/ris/docs/asn.html If you have any questions, please send an e-mail to <ris(a)ripe.net>. Regards, Erik Romijn Information Services Department RIPE NCC

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RIS Statistics Report
by risops＠ripe.net 12 Mar '07

12 Mar '07

RIS Statistics Report (20070305-20070312) This report was generated at Mon Mar 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 48293 47161 46541 17 47047 39573 39968 31086 46449 40712 46721 46801 46069 43865 45268 ARIN 79801 77355 76792 273 78808 66908 63486 39915 76800 58207 78173 77839 77114 75504 78362 LACNIC 16563 12548 12525 1990 12531 11052 10954 8631 12531 11835 12531 12565 12581 12530 16456 RIPE NCC 47253 43114 43124 996 43957 36287 39940 28947 43685 37516 42940 43791 43310 42320 42741 AfriNIC 333 325 330 79 327 299 317 250 330 304 330 332 330 330 331 Old 41361 39872 38476 462 39503 34754 34863 19399 38252 27656 38278 40018 39099 38307 38241 IANA 91 34 35 0 33 30 32 28 33 31 34 34 35 32 88 RFC1918 8 0 0 0 2 0 0 0 0 0 0 0 6 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TOTAL 233703 220409 217823 3817 222208 188903 189560 128256 218080 176261 219007 221380 218544 212888 221487 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 12384 12358 12278 226 12348 11038 10946 7532 12257 9843 12273 12345 12296 12182 12229 APNIC 2883 2873 2841 3 2868 2735 2612 2297 2850 2570 2838 2857 2835 2743 2824 RIPE NCC 9366 9320 9329 276 9343 8249 8784 7044 9241 8374 9301 9338 9332 9288 9271 LACNIC 290 290 283 60 288 242 260 218 282 261 283 287 287 282 281 AFRINIC 42 42 42 4 42 41 42 39 42 41 42 42 42 42 42 IANA 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Private 77 58 32 2 61 30 39 22 48 16 29 41 46 26 25 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 25045 24944 24808 571 24953 22338 22686 17154 24723 21108 24769 24913 24841 24566 24675 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 3632 4012 4198 114 4034 5732 4952 3922 4699 5356 4870 4366 4744 5093 6614 APNIC 764 839 912 3 907 1154 1065 1071 982 1283 1004 938 1037 1032 1294 RIPE NCC 2737 3134 3122 199 3015 3587 3579 3518 3400 3944 3656 3266 3297 3725 4683 LACNIC 109 122 126 42 127 125 127 115 138 143 135 132 135 143 149 AFRINIC 22 22 23 2 23 23 24 24 24 25 24 23 23 23 24 IANA 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Private 46 31 16 1 39 13 16 12 28 9 12 21 23 12 14 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 7310 8160 8398 361 8145 10635 9764 8663 9272 10761 9702 8747 9260 10029 12779 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 ARIN 8752 8346 8080 112 8314 5306 5994 3610 7558 4487 7403 7979 7552 7089 5615 APNIC 2119 2034 1929 0 1961 1581 1547 1226 1868 1287 1834 1919 1798 1711 1530 RIPE NCC 6629 6186 6207 77 6328 4662 5205 3526 5841 4430 5645 6072 6035 5563 4588 LACNIC 181 168 157 18 161 117 133 103 144 118 148 155 152 139 132 AFRINIC 20 20 19 2 19 18 18 15 18 16 18 19 19 19 18 IANA 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Private 31 27 16 1 22 17 23 10 20 7 17 20 23 14 11 Others 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Total 17735 16784 16410 210 16808 11703 12922 8491 15451 10347 15067 16166 15581 14537 11896 IANA : AS65535 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 20831 20878 20803 428 20908 18716 18933 13994 20829 17619 20880 20896 20933 20690 21043 Transit 4081 3946 3870 94 3930 3333 3550 2621 3766 3215 3758 3895 3795 3731 3526 Transit-only 144 130 139 51 124 297 213 545 132 277 137 128 121 152 112 Total 25056 24954 24812 573 24962 22346 22696 17160 24727 21111 24775 24919 24849 24573 24681 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc10 rrc11 rrc12 rrc13 rrc14 rrc15 Avg 6.22 6.29 5.82 4.92 5.93 6.16 6.20 6.07 6.43 5.93 6.01 6.20 6.58 5.86 6.90 Std 2.65 2.66 2.60 3.32 2.58 2.59 2.63 2.53 2.79 2.57 2.68 2.77 2.50 2.78 2.51 o List of martians appearing throughout the week. Prefix Origin AS 10.221.0.0/16 8402 10.250.250.0/24 23352 192.0.2.0/24 2854 192.168.17.8/30 8402 192.168.17.56/30 8402 o List of hot-spots during the week. Prefix Origin AS Number of updates 64.46.0.0/19 40029 989930 62.24.238.0/24 13285 551574 12.170.126.0/24 33188 549894 64.201.12.0/24 33188 544518 80.243.64.0/20 21332 378313 12.106.30.0/24 22072 341257 194.42.208.0/20 705 252222 192.96.14.0/24 16637 209778 192.96.13.0/24 16637 209305 194.88.240.0/23 2128 185632 Total number of RIS BGP peering sessions: 578

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