Skip to content
callcount

net/netip.Addr.IsLoopback

standard library

The 4763rd most-called standard-library method by production calls. Called 134 times across 37 modules; 128 of those run outside tests and generated code.

No change in production calls since 2026-W39.

All of net/netip → Docs on pkg.go.dev ↗

prod calls
128
non-test, non-generated
all calls
134
total callsites
modules
37
distinct callers
in loop
33%
of prod calls
in tests
4%
6 calls
resolved
100%
to a known target

resolution mix

How each call resolves

How each call was attributed. Only resolved kinds, where the target function is known, count toward the ranking. Interface dispatch and unresolved receivers are reported separately and never guessed. Read the taxonomy →

  • Concrete method100%A method on a value whose type is known exactly.

who calls this

Notable callers

Production calls into Addr.IsLoopback from notable Go projects. Open one on the map to see what else it hammers.

where it's called

Callsites in the wild

12 representative callsites of 134, prioritizing in-loop and non-test usage. We link to source, never display it.

Addr.IsLoopback · 12 of 134 callsites

top callers

The modules that reach for it

The modules that call Addr.IsLoopback most in this snapshot.

  • tailscale.com1914%
  • github.com/tailscale/tailscale1713%
  • github.com/sagernet/tailscale1511%
  • github.com/netbirdio/netbird107%
  • github.com/istio/istio86%

siblings

More from net/netip

The other most-called members in this package. See all →