// ASN
AS21556
NARC-EROOT - National Aeronautics and Space Administration, US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS21556
- Organization
- National Aeronautics and Space Administration
- Description
- NARC-EROOT - National Aeronautics and Space Administration, US
- Country
- US
- State / Region
- AL
- City
- MSFC
- Address
- IS05/Office of the Chief Information Officer
- Registry (RIR)
- ARIN
- Created
- 2005-11-23
- Updated
- 2025-08-27
- IPv4 Prefixes
- 2
- IPv6 Prefixes
- 2
IPv4 Prefixes
2 total192.12.28.0/24 192.203.230.0/24
IPv6 Prefixes
2 total2001:500:a8::/48 2620:126:e000::/48
What is AS21556?
AS21556 is an Autonomous System Number (ASN) assigned to National Aeronautics and Space Administration. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
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