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AS398302 Y 12 National Security Complex

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WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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Y 12 National Security Complex y12nsc.doe.gov

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AS398302

AS398302 – Y 12 National Security Complex

AS Number	398302
AS Name	Y12NSC
Organization	Y 12 National Security Complex(ynsc)
Country	US
Website	y12nsc.doe.gov
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2020-04-20

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Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       398302
ASName:         Y12NSC
ASHandle:       AS398302
RegDate:        2020-04-20
Updated:        2025-09-18    
Ref:            https://rdap.arin.net/registry/autnum/398302


OrgName:        Y-12 National Security Complex
OrgId:          YNSC
Address:        602 Scarboro Road
Address:        P.O. Box 2009
City:           Oak Ridge
StateProv:      TN
PostalCode:     37830
Country:        US
RegDate:        2004-09-28
Updated:        2011-09-24
Comment:        Y-12 is a U.S. Department of Energy manufacturing
Comment:        facility operated by B&W Y-12, LLC.
Ref:            https://rdap.arin.net/registry/entity/YNSC


OrgAbuseHandle: Y12-ARIN
OrgAbuseName:   Y12
OrgAbusePhone:  +1-865-576-4997 
OrgAbuseEmail:  noc@y12nsc.doe.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/Y12-ARIN

OrgTechHandle: Y12-ARIN
OrgTechName:   Y12
OrgTechPhone:  +1-865-576-4997 
OrgTechEmail:  noc@y12nsc.doe.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/Y12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Frequently Asked Questions

What is ASN AS398302?

ASN AS398302 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS398302?

AS398302 is listed under Y 12 National Security Complex.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.