RIS Statistics Report (20040127-20040202) This report was generated at Mon Feb 2 00:15:01 UTC 2004. 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 rrc08 rrc10 APNIC 24071 24035 22133 23144 23563 21483 13143 9620 23116 12628 9 ARIN 55938 55851 48913 54377 55616 49392 18661 11647 55268 22696 27 LACNIC 5092 5091 4697 5012 5036 4913 2690 1978 5086 2467 0 RIPE NCC 35142 21422 19530 20947 34780 17837 13311 9231 21067 13044 2105 OLD 29703 29595 25254 27847 29417 23948 11635 7320 28624 11549 138 IANA 34 34 32 34 34 34 24 15 29 27 4 RFC1918 2 1 2 0 0 1 0 0 0 0 0 OTHER 0 0 0 0 0 0 0 0 0 0 0 TOTAL 149982 136029 120561 131361 148446 117608 59464 39811 133190 62411 2283 AS number distributions wrt RIR and single-homed/multi-homed. o ASes per RIR region RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 9652 9638 8797 9511 9605 9209 4563 3607 9581 5171 34 APNIC 1953 1952 1904 1924 1950 1883 1216 1040 1937 1350 6 RIPE NCC 5156 5145 4812 5135 5151 4442 3704 2955 5134 3839 982 LACNIC 42 42 39 39 41 41 28 23 42 27 0 IANA 2 1 1 0 2 1 0 0 0 1 0 Private 17 15 8 7 14 10 6 5 9 2 3 Others 1 1 1 1 1 1 1 1 1 0 0 Total 16823 16794 15562 16617 16764 15587 9518 7631 16704 10390 1025 o Number of single-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 2996 3372 4215 5738 3563 5037 1649 1401 4312 2386 21 APNIC 577 644 801 1084 678 1016 426 337 916 653 6 RIPE NCC 1550 1756 1980 2511 1797 2211 1384 1201 2194 1603 651 LACNIC 20 21 19 24 20 25 13 12 23 15 0 IANA 2 1 1 0 2 1 0 0 0 1 0 Private 11 11 3 4 8 7 3 2 6 1 1 Others 0 0 1 1 0 1 1 1 1 0 0 Total 5156 5805 7020 9362 6068 8298 3476 2954 7452 4659 679 o Number of multi-homed ASes. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 ARIN 6656 6266 4582 3773 6042 4172 2914 2206 5269 2785 13 APNIC 1376 1308 1103 840 1272 867 790 703 1021 697 0 RIPE NCC 3606 3389 2832 2624 3354 2231 2320 1754 2940 2236 331 LACNIC 22 21 20 15 21 16 15 11 19 12 0 IANA 0 0 0 0 0 0 0 0 0 0 0 Private 6 4 5 3 6 3 3 3 3 1 2 Others 1 1 0 0 1 0 0 0 0 0 0 Total 11667 10989 8542 7255 10696 7289 6042 4677 9252 5731 346 IANA : AS64198 AS50578 Others: AS65535 Distribution of AS number wrt Leaf, Transit. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Leaf 13992 14050 13022 14147 14056 13157 7299 5748 14085 8206 765 Transit 2729 2652 2384 2386 2608 2254 1717 1260 2517 1765 165 Transit-only 102 92 156 84 100 176 502 623 102 419 95 Total 16823 16794 15562 16617 16764 15587 9518 7631 16704 10390 1025 o Average ASPATH length. RIS rrc00 rrc01 rrc02 rrc03 rrc04 rrc05 rrc06 rrc07 rrc08 rrc10 Avg 6.03 5.95 5.85 5.65 6.14 6.04 6.07 6.54 6.06 5.86 6.51 Std 2.37 2.36 2.35 2.41 2.39 2.28 2.47 2.24 2.32 2.45 3.23 o List of martians appearing throughout the week. Prefix Origin AS 172.16.0.0/24 8548 192.168.1.0/24 23987 o List of hot-spots during the week. Prefix Origin AS Number of updates 216.87.240.0/20 13877 144671 69.19.219.0/24 19864 135645 82.108.0.0/14 4589 122879 207.191.47.0/24 4519 75836 207.191.56.0/24 4519 74801 204.221.80.0/20 14367 63011 202.150.1.0/24 18237 59405 202.150.15.0/24 18237 58342 209.32.168.0/21 14367 57156 194.242.32.0/24 15642 51919 Total number of RIS BGP peering sessions: 334