The IP API The IP API
// ASN

AS398353

USCIS-ASN-01 - USCIS, US

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

ASN
AS398353
Organization
USCIS
Description
USCIS-ASN-01 - USCIS, US
Country
US
State / Region
DC
City
Washtington
Address
111 Mass Ave
Created
2020-04-23
Updated
2025-04-01
IPv4 Prefixes
0
IPv6 Prefixes
0

What is AS398353?

AS398353 is an Autonomous System Number (ASN) assigned to USCIS. 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.