Top BGP ASNsdata as of 2026-09-26 14:36

Origin ASNs ranked by their announced footprint in the RIPE RIS RRC00 BGP full view.
Total ASNs (any family)
86 634
IPv4 origin ASNs
79 143
IPv6 origin ASNs
37 438

ASN ranges allocated by IANA to each RIR

From the RIRs' delegated-stats (allocated + assigned). Ranges are coalesced where adjacent.
Registry Total ASNs # ranges Top 5 largest ranges
RIPE DB 0 0
ARIN 0 0
APNIC 0 0
AFRINIC 0 0
LACNIC 0 0
Reset
Found 86 634 ASNs · sort: IPv4 addresses (↓) · showing 20001–20100
# ASN v4 networks v4 addresses ↓ v6 networks v6 /48 Links
20001 AS11747 2 3.1k · · WHOIS ↗ RADAR ↗
20002 AS11807 3 3.1k 1 16 WHOIS ↗ RADAR ↗
20003 AS11817 12 3.1k · · WHOIS ↗ RADAR ↗
20004 AS11918 9 3.1k · · WHOIS ↗ RADAR ↗
20005 AS12001 12 3.1k · · WHOIS ↗ RADAR ↗
20006 AS12190 12 3.1k · · WHOIS ↗ RADAR ↗
20007 AS12228 2 3.1k · · WHOIS ↗ RADAR ↗
20008 AS12330 2 3.1k · · WHOIS ↗ RADAR ↗
20009 AS12447 2 3.1k · · WHOIS ↗ RADAR ↗
20010 AS12595 6 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20011 AS12836 2 3.1k · · WHOIS ↗ RADAR ↗
20012 AS12906 5 3.1k · · WHOIS ↗ RADAR ↗
20013 AS12930 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20014 AS13058 9 3.1k 9 1.05M WHOIS ↗ RADAR ↗
20015 AS13625 2 3.1k · · WHOIS ↗ RADAR ↗
20016 AS13700 7 3.1k · · WHOIS ↗ RADAR ↗
20017 AS13713 12 3.1k · · WHOIS ↗ RADAR ↗
20018 AS13729 12 3.1k · · WHOIS ↗ RADAR ↗
20019 AS13830 3 3.1k 4 12.3k WHOIS ↗ RADAR ↗
20020 AS13959 12 3.1k · · WHOIS ↗ RADAR ↗
20021 AS14074 12 3.1k 1 256 WHOIS ↗ RADAR ↗
20022 AS14110 8 3.1k · · WHOIS ↗ RADAR ↗
20023 AS14222 12 3.1k · · WHOIS ↗ RADAR ↗
20024 AS14397 12 3.1k · · WHOIS ↗ RADAR ↗
20025 AS14485 7 3.1k · · WHOIS ↗ RADAR ↗
20026 AS14488 12 3.1k · · WHOIS ↗ RADAR ↗
20027 AS14561 6 3.1k · · WHOIS ↗ RADAR ↗
20028 AS14652 10 3.1k · · WHOIS ↗ RADAR ↗
20029 AS15036 3 3.1k · · WHOIS ↗ RADAR ↗
20030 AS15297 8 3.1k 1 1 WHOIS ↗ RADAR ↗
20031 AS15461 4 3.1k 2 4.1k WHOIS ↗ RADAR ↗
20032 AS15549 12 3.1k · · WHOIS ↗ RADAR ↗
20033 AS15611 12 3.1k · · WHOIS ↗ RADAR ↗
20034 AS15880 12 3.1k · · WHOIS ↗ RADAR ↗
20035 AS15912 5 3.1k · · WHOIS ↗ RADAR ↗
20036 AS15913 5 3.1k · · WHOIS ↗ RADAR ↗
20037 AS16044 8 3.1k · · WHOIS ↗ RADAR ↗
20038 AS16047 2 3.1k · · WHOIS ↗ RADAR ↗
20039 AS16887 12 3.1k · · WHOIS ↗ RADAR ↗
20040 AS16931 10 3.1k · · WHOIS ↗ RADAR ↗
20041 AS17015 5 3.1k · · WHOIS ↗ RADAR ↗
20042 AS17116 8 3.1k 1 1 WHOIS ↗ RADAR ↗
20043 AS17168 12 3.1k · · WHOIS ↗ RADAR ↗
20044 AS17279 3 3.1k · · WHOIS ↗ RADAR ↗
20045 AS17371 12 3.1k · · WHOIS ↗ RADAR ↗
20046 AS17614 5 3.1k · · WHOIS ↗ RADAR ↗
20047 AS17865 12 3.1k · · WHOIS ↗ RADAR ↗
20048 AS18045 12 3.1k · · WHOIS ↗ RADAR ↗
20049 AS18090 2 3.1k · · WHOIS ↗ RADAR ↗
20050 AS18120 4 3.1k · · WHOIS ↗ RADAR ↗
20051 AS18322 9 3.1k · · WHOIS ↗ RADAR ↗
20052 AS18635 12 3.1k · · WHOIS ↗ RADAR ↗
20053 AS18938 8 3.1k · · WHOIS ↗ RADAR ↗
20054 AS19743 3 3.1k · · WHOIS ↗ RADAR ↗
20055 AS20529 7 3.1k · · WHOIS ↗ RADAR ↗
20056 AS20973 2 3.1k · · WHOIS ↗ RADAR ↗
20057 AS21416 12 3.1k 11 11 WHOIS ↗ RADAR ↗
20058 AS21622 12 3.1k · · WHOIS ↗ RADAR ↗
20059 AS21818 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20060 AS21964 5 3.1k · · WHOIS ↗ RADAR ↗
20061 AS21993 9 3.1k · · WHOIS ↗ RADAR ↗
20062 AS22055 5 3.1k · · WHOIS ↗ RADAR ↗
20063 AS22069 2 3.1k · · WHOIS ↗ RADAR ↗
20064 AS22097 9 3.1k · · WHOIS ↗ RADAR ↗
20065 AS22147 10 3.1k 4 274 WHOIS ↗ RADAR ↗
20066 AS22184 9 3.1k · · WHOIS ↗ RADAR ↗
20067 AS22250 2 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20068 AS22322 12 3.1k · · WHOIS ↗ RADAR ↗
20069 AS22512 9 3.1k 1 1 WHOIS ↗ RADAR ↗
20070 AS22629 12 3.1k · · WHOIS ↗ RADAR ↗
20071 AS22969 2 3.1k · · WHOIS ↗ RADAR ↗
20072 AS23022 5 3.1k · · WHOIS ↗ RADAR ↗
20073 AS23034 11 3.1k · · WHOIS ↗ RADAR ↗
20074 AS23077 7 3.1k 2 272 WHOIS ↗ RADAR ↗
20075 AS23132 4 3.1k 3 288 WHOIS ↗ RADAR ↗
20076 AS23313 7 3.1k · · WHOIS ↗ RADAR ↗
20077 AS23484 12 3.1k · · WHOIS ↗ RADAR ↗
20078 AS23616 3 3.1k 1 65.5k WHOIS ↗ RADAR ↗
20079 AS23694 7 3.1k · · WHOIS ↗ RADAR ↗
20080 AS23828 2 3.1k · · WHOIS ↗ RADAR ↗
20081 AS23862 12 3.1k 1 1 WHOIS ↗ RADAR ↗
20082 AS23921 10 3.1k · · WHOIS ↗ RADAR ↗
20083 AS23947 12 3.1k 1 1 WHOIS ↗ RADAR ↗
20084 AS24449 6 3.1k · · WHOIS ↗ RADAR ↗
20085 AS24545 10 3.1k · · WHOIS ↗ RADAR ↗
20086 AS24546 9 3.1k · · WHOIS ↗ RADAR ↗
20087 AS24559 12 3.1k · · WHOIS ↗ RADAR ↗
20088 AS24758 4 3.1k · · WHOIS ↗ RADAR ↗
20089 AS24893 9 3.1k · · WHOIS ↗ RADAR ↗
20090 AS24989 11 3.1k · · WHOIS ↗ RADAR ↗
20091 AS25117 12 3.1k 2 256 WHOIS ↗ RADAR ↗
20092 AS25143 12 3.1k · · WHOIS ↗ RADAR ↗
20093 AS25356 7 3.1k · · WHOIS ↗ RADAR ↗
20094 AS25433 2 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20095 AS25462 2 3.1k · · WHOIS ↗ RADAR ↗
20096 AS25474 2 3.1k · · WHOIS ↗ RADAR ↗
20097 AS25486 6 3.1k 2 1.05M WHOIS ↗ RADAR ↗
20098 AS25526 3 3.1k 1 1 WHOIS ↗ RADAR ↗
20099 AS25548 8 3.1k 1 524.3k WHOIS ↗ RADAR ↗
20100 AS25563 4 3.1k 1 65.5k WHOIS ↗ RADAR ↗