The IP API The IP API
// ASN

AS16551

RESERVED, ZZ

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

ASN
AS16551
Organization
Federal Reserve Bank of San Francisco
Description
RESERVED, ZZ
Country
US
State / Region
CA
City
San Francisco
Address
101 Market St
Registry (RIR)
ARIN
Created
2009-01-27
Updated
2011-09-24
IPv4 Prefixes
0
IPv6 Prefixes
0

What is AS16551?

AS16551 is an Autonomous System Number (ASN) assigned to Federal Reserve Bank of San Francisco. 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.