APNIC range: 1.1.1.0/24

Who is this IP range?

Short answer: APNIC Research and Development is the registered resource holder; Cloudflare currently originates the route through AS13335 and operates the documented 1.1.1.1 resolver service.

Registry: APNIC
Range: 1.1.1.0/24
RDAP name/type: APNIC-LABS / ASSIGNED PORTABLE
Registered resource holder: APNIC Research and Development
Observed route origin: AS13335 — Cloudflare, Inc.
Classification: Public unicast
Globally routed: Yes
Verified: 2026-07-20

Range knowledge

APNIC RDAP describes 1.1.1.0/24 as APNIC research space and documents the APNIC–Cloudflare DNS Resolver project. Current routing evidence observed during the investigation showed Cloudflare's AS13335 originating the prefix.

This means “ownership” must be separated into relationships:

Registration: APNIC Research and Development is the published registrant.
Routing: Cloudflare AS13335 originates the covering prefix.
Operation: Cloudflare operates the public resolver service.
Project relationship: APNIC and Cloudflare publicly document their collaboration.

Investigated addresses

1.1.1.1

1.1.1.1 is Cloudflare's public recursive DNS resolver address within the registered range.

Detailed address page: address-book/ip/1.1.1.1.md

Relationship summary

Axis	Finding
Registration	APNIC `APNIC-LABS` resource
Registered holder	APNIC Research and Development
Announced prefix	`1.1.1.0/24`
Route origin	`AS13335`, Cloudflare, Inc.
Operator	Cloudflare
Known service	1.1.1.1 public recursive DNS resolver

Sources

APNIC RDAP record, checked 2026-07-20
RIPEstat prefix overview, checked 2026-07-20
Cloudflare launch announcement

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