The IP API The IP API
// ASN

AS8251

NFX_ZSPO, CZ

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

ASN
AS8251
Organization
CZ-KLFREE-20150507
Description
NFX_ZSPO, CZ
Country
CZ
Registry (RIR)
RIPE
Created
2010-10-03
Updated
2017-08-30
IPv4 Prefixes
6
IPv6 Prefixes
1

IPv4 Prefixes

6 total
185.99.64.0/22
212.79.96.0/20
31.47.96.0/20
78.108.96.0/20
81.201.48.0/21
81.201.56.0/21

IPv6 Prefixes

1 total
2a01:490::/32

What is AS8251?

AS8251 is an Autonomous System Number (ASN) assigned to CZ-KLFREE-20150507. 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.