Top BGP ASNsdata as of 2026-04-24 21:19

Origin ASNs ranked by their announced footprint in the RIPE RIS RRC00 BGP full view.
Total ASNs (any family)
85 552
IPv4 origin ASNs
78 185
IPv6 origin ASNs
36 403

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 39 342 5 034 198698–198901 (204) · 201730–201926 (197) · 202029–202197 (169) · 204546–204710 (165) · 203960–204113 (154)
ARIN 33 874 1 960 402104–402446 (343) · 397666–397973 (308) · 396530–396830 (301) · 401812–402102 (291) · 5090–5376 (287)
APNIC 31 017 1 022 142636–146959 (4 324) · 147063–149043 (1 981) · 131478–132011 (534) · 149048–149433 (386) · 63488–63828 (341)
AFRINIC 2 717 518 329454–329707 (254) · 329322–329452 (131) · 329205–329319 (115) · 37773–37810 (38) · 329165–329199 (35)
LACNIC 14 139 2 265 273818–274001 (184) · 271956–272125 (170) · 274003–274142 (140) · 274461–274594 (134) · 275613–275738 (126)
Reset
Found 85 552 ASNs · sort: IPv4 addresses (↑) · showing 4001–4100
# ASN v4 networks v4 addresses v6 networks v6 /48 Links
4001 AS143584 · · 1 65.5k APNIC RADAR
4002 AS143604 · · 1 65.5k APNIC RADAR
4003 AS139859 · · 2 2 APNIC RADAR
4004 AS138597 · · 4 4 APNIC RADAR
4005 AS143638 · · 1 65.5k APNIC RADAR
4006 AS143627 · · 1 65.5k APNIC RADAR
4007 AS143628 · · 1 65.5k APNIC RADAR
4008 AS139100 · · 1 65.5k APNIC RADAR
4009 AS143629 · · 1 65.5k APNIC RADAR
4010 AS139062 · · 1 1 APNIC RADAR
4011 AS143630 · · 1 65.5k APNIC RADAR
4012 AS143631 · · 1 65.5k APNIC RADAR
4013 AS143632 · · 1 65.5k APNIC RADAR
4014 AS143633 · · 1 65.5k APNIC RADAR
4015 AS138986 · · 1 16 APNIC RADAR
4016 AS143634 · · 1 65.5k APNIC RADAR
4017 AS143635 · · 1 65.5k APNIC RADAR
4018 AS143636 · · 1 65.5k APNIC RADAR
4019 AS143637 · · 1 65.5k APNIC RADAR
4020 AS138888 · · 1 1 APNIC RADAR
4021 AS143625 · · 1 65.5k APNIC RADAR
4022 AS138679 · · 4 4 APNIC RADAR
4023 AS143639 · · 1 65.5k APNIC RADAR
4024 AS143640 · · 1 65.5k APNIC RADAR
4025 AS143641 · · 1 65.5k APNIC RADAR
4026 AS138641 · · 4 4 APNIC RADAR
4027 AS138635 · · 4 4 APNIC RADAR
4028 AS143642 · · 1 65.5k APNIC RADAR
4029 AS143643 · · 1 65.5k APNIC RADAR
4030 AS143644 · · 1 65.5k APNIC RADAR
4031 AS143645 · · 1 65.5k APNIC RADAR
4032 AS143646 · · 1 65.5k APNIC RADAR
4033 AS143647 · · 1 65.5k APNIC RADAR
4034 AS143648 · · 1 65.5k APNIC RADAR
4035 AS138614 · · 5 131.1k APNIC RADAR
4036 AS143626 · · 1 65.5k APNIC RADAR
4037 AS143624 · · 1 65.5k APNIC RADAR
4038 AS143605 · · 1 65.5k APNIC RADAR
4039 AS143614 · · 1 65.5k APNIC RADAR
4040 AS143606 · · 1 65.5k APNIC RADAR
4041 AS143607 · · 1 65.5k APNIC RADAR
4042 AS143608 · · 1 65.5k APNIC RADAR
4043 AS139791 · · 16 199.7k APNIC RADAR
4044 AS143609 · · 1 65.5k APNIC RADAR
4045 AS139602 · · 2 65.5k WHOIS RADAR
4046 AS139601 · · 1 256 APNIC RADAR
4047 AS143610 · · 1 65.5k APNIC RADAR
4048 AS143611 · · 1 65.5k APNIC RADAR
4049 AS143612 · · 1 65.5k APNIC RADAR
4050 AS139589 · · 3 3 APNIC RADAR
4051 AS143613 · · 1 65.5k APNIC RADAR
4052 AS139321 · · 1 1 RIPE DB RADAR
4053 AS139317 · · 62 80 APNIC RADAR
4054 AS143615 · · 1 65.5k APNIC RADAR
4055 AS143623 · · 1 65.5k APNIC RADAR
4056 AS139311 · · 1 16 APNIC RADAR
4057 AS139264 · · 1 1 APNIC RADAR
4058 AS143616 · · 1 65.5k APNIC RADAR
4059 AS143617 · · 1 65.5k APNIC RADAR
4060 AS139242 · · 1 1 APNIC RADAR
4061 AS143618 · · 1 65.5k APNIC RADAR
4062 AS143619 · · 1 65.5k APNIC RADAR
4063 AS139231 · · 1 1 APNIC RADAR
4064 AS139216 · · 21 33 APNIC RADAR
4065 AS143620 · · 1 65.5k APNIC RADAR
4066 AS143621 · · 1 65.5k APNIC RADAR
4067 AS139161 · · 1 65.5k APNIC RADAR
4068 AS143622 · · 1 65.5k APNIC RADAR
4069 AS139112 · · 1 65.5k APNIC RADAR
4070 AS143763 · · 1 65.5k APNIC RADAR
4071 AS143764 · · 1 65.5k APNIC RADAR
4072 AS143998 · · 1 65.5k APNIC RADAR
4073 AS143928 · · 1 65.5k APNIC RADAR
4074 AS143915 · · 1 65.5k APNIC RADAR
4075 AS143916 · · 1 65.5k APNIC RADAR
4076 AS143917 · · 1 65.5k APNIC RADAR
4077 AS143918 · · 1 65.5k APNIC RADAR
4078 AS143919 · · 1 65.5k APNIC RADAR
4079 AS143920 · · 1 65.5k APNIC RADAR
4080 AS135103 · · 6 6 APNIC RADAR
4081 AS143921 · · 1 65.5k APNIC RADAR
4082 AS143922 · · 1 65.5k APNIC RADAR
4083 AS143923 · · 1 65.5k APNIC RADAR
4084 AS143924 · · 1 65.5k APNIC RADAR
4085 AS143925 · · 1 65.5k APNIC RADAR
4086 AS143926 · · 1 65.5k APNIC RADAR
4087 AS143927 · · 1 65.5k APNIC RADAR
4088 AS143929 · · 1 65.5k APNIC RADAR
4089 AS143913 · · 1 65.5k APNIC RADAR
4090 AS143930 · · 1 65.5k APNIC RADAR
4091 AS143931 · · 1 65.5k APNIC RADAR
4092 AS143932 · · 1 65.5k APNIC RADAR
4093 AS143933 · · 1 65.5k APNIC RADAR
4094 AS143934 · · 1 65.5k APNIC RADAR
4095 AS143935 · · 1 65.5k APNIC RADAR
4096 AS143936 · · 1 65.5k APNIC RADAR
4097 AS143937 · · 1 65.5k APNIC RADAR
4098 AS143938 · · 1 65.5k APNIC RADAR
4099 AS143939 · · 1 65.5k APNIC RADAR
4100 AS143940 · · 1 65.5k APNIC RADAR