The IP API The IP API
// ASN

AS204333

REJECTY - Witalij Koweschnikow, CH

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

ASN
AS204333
Organization
sis-networks
Description
REJECTY - Witalij Koweschnikow, CH
Country
US
Registry (RIR)
RIPE
Created
2022-06-22
Updated
2025-06-05
IPv4 Prefixes
1
IPv6 Prefixes
6

IPv4 Prefixes

1 total
185.255.121.0/24

IPv6 Prefixes

6 total
2a13:5681:1::/48
2a13:5681:2::/48
2a13:5681:6::/48
2a13:5681:7::/48
2a13:5681:a::/48
2a13:5681:b::/48

What is AS204333?

AS204333 is an Autonomous System Number (ASN) assigned to sis-networks. 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.