137.138.0.0/16

🇨🇭

CIDR

137.138.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇨🇭 Switzerland

City

Meyrin

RIR

RIPENCC

Status

assigned

Allocated

11/29/1989

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
137.138.0.0/16	AS513CERN CERN - European Organization for Nuclear Research	Valid	RIPE	5/31/2026

Prefix	Origin	Max Length	Trust Anchor
137.138.0.0/16	AS513	/16	ripe

Origin	Registry	Maintainer	Modified
AS513	RIPE	CERN-MNT	8/12/2015

Origin ASN

Geolocation

Country🇨🇭SwitzerlandCH

RegionGeneva

CityMeyrin

Abuse Contact

API

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

curl -s "https://api.ipctl.io/v1/prefix/137.138.0.0/16" | jq

External Links