ASN Lookup Tool

United States Department of Defense defense.gov US US 629 Routes

AS Data

AS27046

AS27046 – United States Department of Defense

AS Number 27046
AS Name DNIC-ASBLK-27032-27159
Organization United States Department of Defense (usddd)
Country US
Website defense.gov
Number of IPv4 Routes 512
Number of IPv6 Routes 117
ASN type GOVERNMENT
Registry ARIN
Date Allocated 2003-01-16

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Use ASN data for AS27046 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
131.79.69.0/24 256
2608:109:2::/48 ~1×10²⁴
214.7.224.0/22 1024
131.81.108.0/22 1024
131.82.34.0/23 512
131.75.82.0/23 512
131.79.142.0/23 512
131.75.158.0/23 512
131.79.112.0/23 512
131.70.4.0/24 256
164.87.24.0/21 2048
131.86.160.0/24 256
131.76.132.0/24 256
131.86.130.0/24 256
131.87.68.0/24 256
131.78.240.0/24 256
131.75.140.0/24 256
214.7.228.0/23 512
2608:161:1::/48 ~1×10²⁴
2608:4123::/48 ~1×10²⁴
131.82.64.0/23 512
131.75.52.0/23 512
131.87.235.0/24 256
131.75.148.0/22 1024
2608:146:2::/48 ~1×10²⁴
140.12.200.0/21 2048
131.75.165.0/24 256
131.82.28.0/23 512
131.87.13.0/24 256
131.82.58.0/23 512
131.75.47.0/24 256
131.76.94.0/23 512
131.82.181.0/24 256
131.81.144.0/22 1024
2608:188:1::/48 ~1×10²⁴
131.74.12.0/24 256
2608:124:1::/48 ~1×10²⁴
131.82.94.0/23 512
131.86.178.0/23 512
131.82.40.0/23 512
164.87.160.0/19 8192
2608:180:3ce1::/48 ~1×10²⁴
131.78.0.0/24 256
2608:c1a4::/48 ~1×10²⁴
2608:102:18::/48 ~1×10²⁴
131.81.120.0/22 1024
214.7.48.0/22 1024
131.75.171.0/24 256
131.81.17.0/24 256
131.75.141.0/24 256
140.12.192.0/22 1024
131.82.0.0/24 256
164.87.192.0/18 16384
131.78.174.0/23 512
2608:106::/48 ~1×10²⁴
131.75.111.0/24 256
131.75.54.0/24 256
131.75.252.0/23 512
2608:166:1::/48 ~1×10²⁴
131.86.3.0/24 256

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:       27032 - 27159
ASName:         DNIC-ASBLK-27032-27159
ASHandle:       AS27032
RegDate:        2003-01-16
Updated:        2025-09-12
Ref:            https://rdap.arin.net/registry/autnum/27032



OrgName:        United States Department of Defense (DoD)
OrgId:          USDDD
Address:        3990 E. Broad Street
City:           Columbus
StateProv:      OH
PostalCode:     43218
Country:        US
RegDate:        2007-01-12
Updated:        2026-08-12
Ref:            https://rdap.arin.net/registry/entity/USDDD


OrgNOCHandle: MIL-HSTMST-ARIN
OrgNOCName:   Network DoD
OrgNOCPhone:  +1-844-347-2457 
OrgNOCEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgNOCRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgTechHandle: MIL-HSTMST-ARIN
OrgTechName:   Network DoD
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-ARIN

OrgTechHandle: REGIS10-ARIN
OrgTechName:   Registration
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgAbuseHandle: MIL-HSTMST-ARIN
OrgAbuseName:   Network DoD
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIL-HSTMST-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
AS1733 United States Department of Defense DoD US
AS27066 United States Department of Defense US
AS27064 United States Department of Defense US
AS27065 United States Department of Defense US

Upstreams

AS Number Description Country
AS1733 United States Department of Defense DoD US
AS27066 United States Department of Defense US
AS27064 United States Department of Defense US
AS27065 United States Department of Defense US

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Frequently Asked Questions

ASN AS27046 is an Autonomous System Number used to identify a network for BGP internet routing.
AS27046 is listed under United States Department of Defense.
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.