ASN AS647 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS647?

AS647 is listed under United States Department of Defense DoD.

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.

AS647 United States Department of Defense DoD

ASN Lookup Tool

United States Department of Defense DoD mail.mil

US 492 Routes

AS Data

AS647

AS647 – United States Department of Defense DoD

AS Number	647
AS Name	DNIC-ASBLK-00616-00665
Organization	United States Department of Defense DoD(usddd)
Country	US
Website	mail.mil
Number of IPv4 Routes	492
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	1990-04-19

ASN Intelligence API for production workflows

Use ASN data for AS647 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
205.64.26.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.90.2.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.78.111.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.61.16.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.86.98.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.69.40.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.59.13.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.107.92.0/24	AS647	United States Department of Defense DoD	United States Department of Defense DoD	256
205.60.240.0/22	AS647	United States Department of Defense DoD	United States Department of Defense DoD	1024
205.92.16.0/20	AS5371	United States Department of Defense DoD	United States Department of Defense DoD	4096

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:       616 - 665
ASName:         DNIC-ASBLK-00616-00665
ASHandle:       AS616
RegDate:        1990-04-19
Updated:        2025-09-12    
Ref:            https://rdap.arin.net/registry/autnum/616



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


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

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

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


#
# 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
AS27066	United States Department of Defense (DoD)	US
AS27066	United States Department of Defense DoD	US

Upstreams

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