The IP API The IP API
// ASN

AS49101

KTCT-ASN, CZ

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

ASN
AS49101
Organization
CEZNET s.r.o.
Description
KTCT-ASN, CZ
Country
CZ
Registry (RIR)
RIPE
Created
2017-04-28
Updated
2025-09-12
IPv4 Prefixes
2
IPv6 Prefixes
2

IPv4 Prefixes

2 total
46.36.32.0/19
82.144.128.0/19

IPv6 Prefixes

2 total
2a02:25b0::/32
2a02:d00::/32

What is AS49101?

AS49101 is an Autonomous System Number (ASN) assigned to CEZNET s.r.o.. 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.