The IP API The IP API
// ASN

AS397900

FIRSTDAY - FirstDay Foundation, US

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

ASN
AS397900
Organization
FirstDay Foundation
Description
FIRSTDAY - FirstDay Foundation, US
Country
US
State / Region
TX
City
SAN ANTONIO
Address
1506 BEXAR CROSSING
Registry (RIR)
ARIN
Created
2013-05-30
Updated
2025-02-25
IPv4 Prefixes
2
IPv6 Prefixes
0

IPv4 Prefixes

2 total
148.59.25.0/24
67.218.14.0/24

What is AS397900?

AS397900 is an Autonomous System Number (ASN) assigned to FirstDay Foundation. 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.