1.1.1.1 — IP lookup

IPv4 address · public

Routed prefix: 1.1.1.0/24
Announced by: AS13335 · US Cloudflare, Inc.

Registered address holder: APNIC Research and Development
IP registration country: AU
Reverse DNS: Not queried · Look up PTR
Routing observation: ris-rrc00 · 10 Oct 16:00 UTC; routeviews2 · 10 Oct 18:00 UTC

Observed routing

The most-specific observed prefix determines the origin evidence below. A BGP origin is distinct from the registered address holder.

Prefix	Origin network	RPKI	Last observed	Details
1.1.1.0/24	AS13335 · US Cloudflare, Inc.	Valid	10 Oct 18:00 UTC	2 source observations ris-rrc00 · 2026-10-10T16:00:00+00:00 · 1 selected peers · RPKI valid routeviews2 · 2026-10-10T18:00:00+00:00 · 1 selected peers · RPKI valid

Related checks

Reverse DNS lookup · Looking Glass

Registry information

APNIC · fetched 10 Oct 19:02 UTC

Resource name: APNIC-LABS
Handle: 1.1.1.0 - 1.1.1.255
RDAP country: AU
Start address: 1.1.1.0
End address: 1.1.1.255

Registered organizations

APNIC Research and Development

Registration: 10 Aug 2011 23:12 UTC

Last Changed: 26 Apr 2023 22:57 UTC

Registry contacts and maintainers

AIC3-AP · administrative, technical
IRT-APNICRANDNET-AU · abuse

Official registry record

Registry source

Allocation statistics

NRO/RIR delegated-extended records describe allocation or assignment ranges. They do not prove a BGP announcement or replace more-specific RDAP registration information. Country is the allocation record’s registration country, not the physical location of every address.

1.1.1.0/32–1.1.1.255/32 · apnic · assigned · Allocation country: AU · Allocation date: 2011-08-11 — NRO/RIR data · snapshot 10 Oct 00:00 UTC

NRO data and format