The IP API The IP API
// ASN

AS203901

ATSYS-ASN, FR

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

ASN
AS203901
Organization
FR-ATSYS-20150520
Description
ATSYS-ASN, FR
Country
FR
Registry (RIR)
RIPE
Created
2015-02-27
Updated
2016-06-09
IPv4 Prefixes
2
IPv6 Prefixes
0

IPv4 Prefixes

2 total
185.101.28.0/23
185.101.30.0/24

What is AS203901?

AS203901 is an Autonomous System Number (ASN) assigned to FR-ATSYS-20150520. 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.