The IP API The IP API
// ASN

AS203156

RELAYIFY-LLC, US

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

ASN
AS203156
Organization
RELAY-AT
Description
RELAYIFY-LLC, US
Country
AT
Registry (RIR)
RIPE
Created
2025-12-04
Updated
2026-01-29
IPv4 Prefixes
14
IPv6 Prefixes
1

IPv4 Prefixes

14 total · showing first 10
103.86.36.0/24
147.90.22.0/24
151.243.138.0/24
151.243.149.0/24
151.247.224.0/24
151.247.229.0/24
151.247.230.0/24
185.115.162.0/24
188.137.159.0/24
193.135.157.0/24

IPv6 Prefixes

1 total
2a03:ecc0::/29

What is AS203156?

AS203156 is an Autonomous System Number (ASN) assigned to RELAY-AT. 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.