// ASN

AS15147

DHSINETNOC - DEPARTMENT OF HOMELAND SECURITY, US

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

ASN: AS15147
Organization: DEPARTMENT OF HOMELAND SECURITY
Description: DHSINETNOC - DEPARTMENT OF HOMELAND SECURITY, US
Country: US
State / Region: DC
City: Washington
Address: Department of Homeland Security
Registry (RIR): ARIN
Created: 2007-03-21
Updated: 2026-05-13
IPv4 Prefixes: 10
IPv6 Prefixes: 1

IPv4 Prefixes

10 total

161.214.0.0/18
161.214.120.0/21
161.214.128.0/17
161.214.64.0/19
161.214.96.0/21
173.255.48.0/21
173.255.56.0/21
216.81.80.0/21
216.81.88.0/21
64.69.48.0/20

IPv6 Prefixes

1 total

2600:400::/32

What is AS15147?

AS15147 is an Autonomous System Number (ASN) assigned to DEPARTMENT OF HOMELAND SECURITY. 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.

ASN Lookup Tool →