ASN AS1906 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1906?

AS1906 is listed under Northrop Grumman.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS1906 Northrop Grumman | IPGeolocation.io

ASN Lookup Tool

Northrop Grumman ngc.com

US 75 Routes

AS Data

AS1906

AS1906 – Northrop Grumman

AS Number	1906
AS Name	NORTHROP-GRUMMAN
Organization	Northrop Grumman(northr-3)
Country	US
Website	ngc.com
Number of IPv4 Routes	75
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1992-06-02

ASN Intelligence API for production workflows

Use ASN data for AS1906 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
130.124.0.0/16	AS1906	Northrop Grumman	Northrop Grumman Corp.	65536
199.26.33.0/24	AS1906	Northrop Grumman	Grumman Data Systems and Services	256
134.223.230.0/24	AS1906	Northrop Grumman	Northrop Grumman Corp.	256
199.26.38.0/24	AS1906	Northrop Grumman	Grumman Data Systems and Services	256
192.112.146.0/24	AS1906	Northrop Grumman	Grumman Data Systems	256
153.113.0.0/16	AS1906	Northrop Grumman	Northrop Electronic Systems Division	65536
129.4.0.0/16	AS1906	Northrop Grumman	TRW Space and Defense Sector	65536
192.86.74.0/24	AS1906	Northrop Grumman	GRUMMAN1	256
134.223.188.0/22	AS1906	Northrop Grumman	Northrop Grumman Corp.	1024
134.223.4.0/22	AS1906	Northrop Grumman	Northrop Grumman Corp.	1024

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:       1906
ASName:         NORTHROP-GRUMMAN
ASHandle:       AS1906
RegDate:        1992-06-02
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/1906


OrgName:        Northrop Grumman
OrgId:          NORTHR-3
Address:        2411 Dulles Corner Road, Suite 700
City:           Herndon
StateProv:      VA
PostalCode:     20171
Country:        US
RegDate:        1998-11-10
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/NORTHR-3


OrgAbuseHandle: JML25-ARIN
OrgAbuseName:   Lott, James Michael
OrgAbusePhone:  +1-626-812-2162 
OrgAbuseEmail:  james.lott@ngc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JML25-ARIN

OrgNOCHandle: RJO140-ARIN
OrgNOCName:   Johnson, Ronjay 
OrgNOCPhone:  +1-256-830-3606 
OrgNOCEmail:  ronjay.johnson@ngc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RJO140-ARIN

OrgTechHandle: JML25-ARIN
OrgTechName:   Lott, James Michael
OrgTechPhone:  +1-626-812-2162 
OrgTechEmail:  james.lott@ngc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JML25-ARIN

OrgAbuseHandle: RJO140-ARIN
OrgAbuseName:   Johnson, Ronjay 
OrgAbusePhone:  +1-256-830-3606 
OrgAbuseEmail:  ronjay.johnson@ngc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RJO140-ARIN

OrgTechHandle: DA192-ARIN
OrgTechName:   Abel, David G
OrgTechPhone:  +1-616-446-3464 
OrgTechEmail:  dave.abel@ngc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DA192-ARIN

OrgTechHandle: RJO140-ARIN
OrgTechName:   Johnson, Ronjay 
OrgTechPhone:  +1-256-830-3606 
OrgTechEmail:  ronjay.johnson@ngc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RJO140-ARIN

OrgNOCHandle: JML25-ARIN
OrgNOCName:   Lott, James Michael
OrgNOCPhone:  +1-626-812-2162 
OrgNOCEmail:  james.lott@ngc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/JML25-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

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US