1.1.1.0/24

🇺🇸

CIDR

1.1.1.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

San Francisco

RIR

APNIC

Status

assigned

Allocated

8/11/2011

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
1.1.1.0/24	AS13335CLOUDFLARENET - Cloudflare, Inc.	Valid	APNICRADB	5/30/2026

Prefix	Origin	Max Length	Trust Anchor
1.1.1.0/24	AS13335	/24	apnic

Origin	Registry	Maintainer	Modified
AS13335	APNIC	MAINT-APNICRANDNET	4/26/2023
AS13335	RADB	MAINT-AS8966	11/13/2023

Origin ASN

Geolocation

This is an anycast prefix. The location shown is the organization HQ — actual server location varies by your network path.

Country🇺🇸United StatesUS

RegionCalifornia

CitySan Francisco

TimezoneAmerica/Los_Angeles

API

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/1.1.1.0/24" | jq

External Links