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AS395397 Amentum Services, Inc.

Q: Why is WHOIS data shown for an ASN?

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

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Amentum Services, Inc. amentum.com

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AS395397

AS395397 – Amentum Services, Inc.

AS Number	395397
AS Name	AMENTUM-ASN
Organization	Amentum Services, Inc.(as-3976)
Country	US
Website	amentum.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2025-09-05

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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:       395397
ASName:         AMENTUM-ASN
ASHandle:       AS395397
RegDate:        2025-09-05
Updated:        2025-09-05    
Ref:            https://rdap.arin.net/registry/autnum/395397


OrgName:        Amentum Services, Inc.
OrgId:          AS-3976
Address:        20501 Seneca Meadows Pkwy, #300
City:           Germantown
StateProv:      MD
PostalCode:     20876
Country:        US
RegDate:        2022-06-08
Updated:        2022-08-17
Ref:            https://rdap.arin.net/registry/entity/AS-3976


OrgAbuseHandle: LISTI3-ARIN
OrgAbuseName:   LISTITNetworkEngineers
OrgAbusePhone:  +1-817-224-6500 
OrgAbuseEmail:  LISTITNetworkEngineers@amentum.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LISTI3-ARIN

OrgNOCHandle: LISTI3-ARIN
OrgNOCName:   LISTITNetworkEngineers
OrgNOCPhone:  +1-817-224-6500 
OrgNOCEmail:  LISTITNetworkEngineers@amentum.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LISTI3-ARIN

OrgTechHandle: LISTI3-ARIN
OrgTechName:   LISTITNetworkEngineers
OrgTechPhone:  +1-817-224-6500 
OrgTechEmail:  LISTITNetworkEngineers@amentum.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LISTI3-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 AS395397?

ASN AS395397 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS395397?

AS395397 is listed under Amentum Services, Inc..

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.