ASN Lookup Tool

Northrop Grumman ngc.com US 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

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

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IP Ranges

Route # IPs
130.124.0.0/16 65536
199.26.33.0/24 256
134.223.230.0/24 256
129.4.0.0/16 65536
167.225.0.0/17 32768
199.26.38.0/24 256
192.112.146.0/24 256
153.113.0.0/16 65536
192.86.74.0/24 256
134.223.188.0/22 1024
134.223.4.0/22 1024
192.135.211.0/24 256
192.86.72.0/24 256
192.45.0.0/16 65536
198.49.249.0/24 256
192.107.246.0/24 256
199.26.36.0/24 256
134.223.0.0/16 65536
192.150.201.0/24 256
198.180.218.0/24 256
192.35.84.0/24 256
134.223.128.0/20 4096
199.36.17.0/24 256
192.86.71.0/24 256
192.31.248.0/24 256
199.26.35.0/24 256
192.86.67.0/24 256
192.86.70.0/24 256
134.223.232.0/24 256
204.118.7.0/24 256
192.86.76.0/24 256
198.202.184.0/24 256
137.51.0.0/16 65536
199.26.34.0/24 256
199.165.147.0/24 256
159.201.0.0/16 65536
192.86.68.0/24 256
192.112.147.0/24 256
134.223.160.0/20 4096
132.228.0.0/16 65536
134.223.19.0/24 256
198.17.147.0/24 256
192.86.73.0/24 256
199.165.146.0/24 256
155.104.0.0/16 65536
192.135.212.0/24 256
192.45.0.0/19 8192
199.26.50.0/24 256
134.223.8.0/22 1024
199.26.39.0/24 256
192.83.248.0/24 256
159.4.0.0/16 65536
192.86.69.0/24 256
134.223.192.0/19 8192
192.86.75.0/24 256
208.20.220.0/24 256
134.223.231.0/24 256
157.127.0.0/16 65536
134.223.228.0/23 512
208.12.122.0/24 256

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


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

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

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

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

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


#
# 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

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Frequently Asked Questions

ASN AS1906 is an Autonomous System Number used to identify a network for BGP internet routing.
AS1906 is listed under Northrop Grumman.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.