ASN Lookup Tool

United States Department of Defense DoD mail.mil US US 192 Routes

AS Data

AS668

AS668 – United States Department of Defense DoD

AS Number 668
AS Name DNIC-AS-00668
Organization United States Department of Defense DoD (usddd)
Country US
Website mail.mil
Number of IPv4 Routes 191
Number of IPv6 Routes 1
ASN type GOVERNMENT
Registry ARIN
Date Allocated 1990-04-24

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IP Ranges

Route # IPs
192.5.21.0/24 256
199.209.144.0/22 1024
192.31.147.0/24 256
198.253.168.0/21 2048
131.92.184.0/23 512
164.49.0.0/16 65536
131.92.132.0/22 1024
192.138.87.0/24 256
214.9.96.0/21 2048
199.9.2.0/24 256
140.32.0.0/16 65536
192.58.244.0/24 256
164.172.0.0/16 65536
128.160.0.0/17 32768
131.92.192.0/18 16384
214.27.178.0/24 256
199.123.113.0/24 256
198.154.24.0/23 512
147.241.192.0/18 16384
199.10.233.0/24 256
199.209.149.0/24 256
198.253.110.0/24 256
134.166.144.0/20 4096
214.9.92.0/24 256
6.2.112.0/22 1024
131.250.128.0/18 16384
134.166.64.0/18 16384
199.123.88.0/23 512
131.92.168.0/21 2048
192.175.87.0/24 256
147.241.120.0/22 1024
147.241.168.0/21 2048
198.14.32.0/19 8192
204.44.136.0/23 512
6.11.51.0/24 256
206.37.224.0/24 256
6.3.0.0/17 32768
199.10.18.0/24 256
131.250.192.0/20 4096
198.253.40.0/21 2048
134.166.128.0/22 1024
131.92.144.0/21 2048
132.45.0.0/16 65536
143.56.0.0/16 65536
198.253.253.0/24 256
2001:480::/32 ~79×10²⁷
6.2.64.0/19 8192
131.250.0.0/17 32768
204.222.64.0/21 2048
199.209.248.0/21 2048
199.10.62.0/24 256
192.5.17.0/24 256
129.229.0.0/16 65536
199.10.16.0/24 256
198.253.56.0/24 256
199.123.105.0/24 256
192.88.110.0/24 256
150.125.0.0/16 65536
131.92.162.0/23 512
214.4.136.0/24 256

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:       668
ASName:         DNIC-AS-00668
ASHandle:       AS668
RegDate:        1990-04-24
Updated:        2025-09-12
Ref:            https://rdap.arin.net/registry/autnum/668



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:        2025-03-13
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

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

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


#
# 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
AS289 Headquarters, USAISC US
AS22335 Metropolitan Research and Education Network US
AS6939 Hurricane Electric LLC US
AS121 United States Department of Defense (DoD) US
AS84 Navy Network Information Center (NNIC) US
AS89 Navy Network Information Center (NNIC) US
AS687 United States Department of Defense (DoD) US
AS293 ESnet US
AS4221 United States Department of Defense DoD US
AS5132 United States Department of Defense DoD US
AS6009 United States Department of Defense DoD US
AS393399 Sandia National Laboratories US
AS5978 United States Department of Defense (DoD) US
AS5058 Navy Network Information Center NNIC US
AS228 United States Department of Defense DoD US
AS5957 United States Department of Defense (DoD) US
AS37 Navy Network Information Center (NNIC) US
AS701 Verizon Business/UUnet US
AS22 Navy Network Information Center (NNIC) US
AS518 United States Department of Defense DoD US
AS7575 Australian Academic and Research Network AU
AS48 Navy Network Information Center NNIC US
AS6360 University of Hawaii US
AS6009 United States Department of Defense (DoD) US
AS5980 United States Department of Defense DoD US
AS252 Headquarters, USAISC US
AS687 United States Department of Defense DoD US
AS40300 DR Fortress, LLC US
AS5957 United States Department of Defense DoD US
AS5058 Navy Network Information Center (NNIC) US
AS213 Headquarters, USAISC US
AS101 University of Washington US
AS48 Navy Network Information Center (NNIC) US
AS2914 NTT America, Inc. US
AS121 United States Department of Defense DoD US
AS366 United States Department of Defense DoD US
AS3381 Maui High Performance Computing Center US
AS36236 NetActuate, Inc US
AS37 Navy Network Information Center NNIC US
AS5887 United States Department of Defense DoD US
AS518 United States Department of Defense (DoD) US
AS2621 United States Department of Defense DoD US
AS22 Navy Network Information Center NNIC US
AS2153 CENIC US
AS5978 United States Department of Defense DoD US
AS89 Navy Network Information Center NNIC US
AS10764 University of Illinois US
AS13 Headquarters, USAISC US
AS11537 Internet2 US
AS7575 Australian Academic and Research Network (AARNet) AU
AS6043 United States Department of Defense DoD US
AS1508 Headquarters, USAISC US
AS228 United States Department of Defense (DoD) US
AS84 Navy Network Information Center NNIC US
AS2621 United States Department of Defense (DoD) US
AS701 Verizon Business US

Upstreams

AS Number Description Country
AS7575 Australian Academic and Research Network AU
AS10764 University of Illinois US
AS11537 Internet2 US
AS6360 University of Hawaii US
AS6939 Hurricane Electric LLC US
AS2914 NTT America, Inc. US
AS701 Verizon Business US

Downstreams

AS Number Description Country
AS289 Headquarters, USAISC US
AS252 Headquarters, USAISC US
AS687 United States Department of Defense DoD US
AS5957 United States Department of Defense DoD US
AS213 Headquarters, USAISC US
AS121 United States Department of Defense DoD US
AS366 United States Department of Defense DoD US
AS4221 United States Department of Defense DoD US
AS3381 Maui High Performance Computing Center US
AS37 Navy Network Information Center NNIC US

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Frequently Asked Questions

ASN AS668 is an Autonomous System Number used to identify a network for BGP internet routing.
AS668 is listed under United States Department of Defense DoD.
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.