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 3901–4000
# ASN v4 networks v4 addresses v6 networks v6 /48 Links
3901 AS143731 · · 1 65.5k APNIC RADAR
3902 AS143703 · · 1 65.5k APNIC RADAR
3903 AS143717 · · 1 65.5k APNIC RADAR
3904 AS143704 · · 1 65.5k APNIC RADAR
3905 AS143705 · · 1 65.5k APNIC RADAR
3906 AS143706 · · 1 65.5k APNIC RADAR
3907 AS143707 · · 1 65.5k APNIC RADAR
3908 AS143708 · · 1 65.5k APNIC RADAR
3909 AS143709 · · 1 65.5k APNIC RADAR
3910 AS143710 · · 1 65.5k APNIC RADAR
3911 AS143711 · · 1 65.5k APNIC RADAR
3912 AS143712 · · 1 65.5k APNIC RADAR
3913 AS143713 · · 1 65.5k APNIC RADAR
3914 AS143714 · · 1 65.5k APNIC RADAR
3915 AS143715 · · 1 65.5k APNIC RADAR
3916 AS143716 · · 1 65.5k APNIC RADAR
3917 AS138376 · · 20 20 APNIC RADAR
3918 AS138375 · · 42 65.6k APNIC RADAR
3919 AS143730 · · 1 65.5k APNIC RADAR
3920 AS143718 · · 1 65.5k APNIC RADAR
3921 AS143719 · · 1 65.5k APNIC RADAR
3922 AS143720 · · 1 65.5k APNIC RADAR
3923 AS143721 · · 1 65.5k APNIC RADAR
3924 AS143722 · · 1 65.5k APNIC RADAR
3925 AS138374 · · 56 56 APNIC RADAR
3926 AS143723 · · 1 65.5k APNIC RADAR
3927 AS143724 · · 1 65.5k APNIC RADAR
3928 AS138369 · · 1 1 APNIC RADAR
3929 AS143725 · · 1 65.5k APNIC RADAR
3930 AS143726 · · 1 65.5k APNIC RADAR
3931 AS143727 · · 1 65.5k APNIC RADAR
3932 AS143728 · · 1 65.5k APNIC RADAR
3933 AS143729 · · 1 65.5k APNIC RADAR
3934 AS143651 · · 1 65.5k APNIC RADAR
3935 AS143649 · · 1 65.5k APNIC RADAR
3936 AS138182 · · 120 120 APNIC RADAR
3937 AS143595 · · 1 65.5k APNIC RADAR
3938 AS140254 · · 3 3 APNIC RADAR
3939 AS143589 · · 1 65.5k APNIC RADAR
3940 AS140253 · · 3 3 APNIC RADAR
3941 AS140252 · · 3 3 APNIC RADAR
3942 AS143590 · · 1 65.5k APNIC RADAR
3943 AS140251 · · 3 3 APNIC RADAR
3944 AS140250 · · 3 3 APNIC RADAR
3945 AS140249 · · 3 3 APNIC RADAR
3946 AS140248 · · 3 3 APNIC RADAR
3947 AS143591 · · 1 65.5k APNIC RADAR
3948 AS143592 · · 1 65.5k APNIC RADAR
3949 AS140247 · · 3 3 APNIC RADAR
3950 AS143593 · · 1 65.5k APNIC RADAR
3951 AS143594 · · 1 65.5k APNIC RADAR
3952 AS140246 · · 3 3 APNIC RADAR
3953 AS143587 · · 1 65.5k APNIC RADAR
3954 AS143596 · · 1 65.5k APNIC RADAR
3955 AS143597 · · 1 65.5k APNIC RADAR
3956 AS140245 · · 3 3 APNIC RADAR
3957 AS143598 · · 1 65.5k APNIC RADAR
3958 AS143599 · · 1 65.5k APNIC RADAR
3959 AS140238 · · 4 4 APNIC RADAR
3960 AS143600 · · 1 65.5k APNIC RADAR
3961 AS140056 · · 1 256 APNIC RADAR
3962 AS140053 · · 4 16 APNIC RADAR
3963 AS140043 · · 1 1 APNIC RADAR
3964 AS139921 · · 1 1 APNIC RADAR
3965 AS143601 · · 1 65.5k APNIC RADAR
3966 AS143602 · · 1 65.5k APNIC RADAR
3967 AS143603 · · 1 65.5k APNIC RADAR
3968 AS143588 · · 1 65.5k APNIC RADAR
3969 AS143586 · · 1 65.5k APNIC RADAR
3970 AS139888 · · 10 10 APNIC RADAR
3971 AS140261 · · 3 3 APNIC RADAR
3972 AS143568 · · 1 65.5k APNIC RADAR
3973 AS140297 · · 3 192 APNIC RADAR
3974 AS143569 · · 1 65.5k APNIC RADAR
3975 AS143570 · · 1 65.5k APNIC RADAR
3976 AS143571 · · 1 65.5k APNIC RADAR
3977 AS140296 · · 3 192 APNIC RADAR
3978 AS143572 · · 1 65.5k APNIC RADAR
3979 AS140295 · · 3 192 APNIC RADAR
3980 AS140294 · · 3 192 APNIC RADAR
3981 AS140291 · · 3 192 APNIC RADAR
3982 AS140290 · · 3 192 APNIC RADAR
3983 AS143573 · · 1 65.5k APNIC RADAR
3984 AS143574 · · 1 65.5k APNIC RADAR
3985 AS143575 · · 1 65.5k APNIC RADAR
3986 AS143576 · · 1 65.5k APNIC RADAR
3987 AS143585 · · 1 65.5k APNIC RADAR
3988 AS140260 · · 3 3 APNIC RADAR
3989 AS143577 · · 1 65.5k APNIC RADAR
3990 AS143578 · · 1 65.5k APNIC RADAR
3991 AS143579 · · 1 65.5k APNIC RADAR
3992 AS140259 · · 3 3 APNIC RADAR
3993 AS143580 · · 1 65.5k APNIC RADAR
3994 AS143581 · · 1 65.5k APNIC RADAR
3995 AS140258 · · 3 3 APNIC RADAR
3996 AS140257 · · 3 3 APNIC RADAR
3997 AS140256 · · 3 3 APNIC RADAR
3998 AS140255 · · 3 3 APNIC RADAR
3999 AS143582 · · 1 65.5k APNIC RADAR
4000 AS143583 · · 1 65.5k APNIC RADAR