The IP API The IP API
// ASN

AS397458

SFOPERA-ASN - San Francisco Opera, US

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

ASN
AS397458
Organization
San Francisco Opera
Description
SFOPERA-ASN - San Francisco Opera, US
Country
US
State / Region
CA
City
San Francisco
Address
301 Van Ness Avenue
Created
1993-09-21
Updated
2026-02-13
IPv4 Prefixes
0
IPv6 Prefixes
0

What is AS397458?

AS397458 is an Autonomous System Number (ASN) assigned to San Francisco Opera. 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.