The IP API The IP API
// ASN

AS202261

NETDEF-CH, US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS202261
Organization
US-NETDEF-20180529
Description
NETDEF-CH, US
Country
CH
Registry (RIR)
RIPE
Created
2018-06-01
Updated
2025-05-07
IPv4 Prefixes
2
IPv6 Prefixes
2

IPv4 Prefixes

2 total
194.147.136.0/24
194.147.137.0/24

IPv6 Prefixes

2 total
2a07:e480:100::/48
2a07:e480::/48

What is AS202261?

AS202261 is an Autonomous System Number (ASN) assigned to US-NETDEF-20180529. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.