// ASN
AS401999
PUBLIC-SAFETY-NET-EXCG - Fairfax County NCR, US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS401999
- Organization
- Fairfax County NCR
- Description
- PUBLIC-SAFETY-NET-EXCG - Fairfax County NCR, US
- Country
- US
- State / Region
- VA
- City
- Fairfax
- Address
- 12000 Government Center Parkway
- Registry (RIR)
- ARIN
- Created
- 2014-04-19
- Updated
- 2025-09-17
- IPv4 Prefixes
- 2
- IPv6 Prefixes
- 0
IPv4 Prefixes
2 total76.9.155.0/24 76.9.156.0/24
What is AS401999?
AS401999 is an Autonomous System Number (ASN) assigned to Fairfax County NCR. 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.