ASN AS13506 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS13506?

AS13506 is listed under United States Department of the Treasury.

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.

AS13506 United States Department of the Treasury

ASN Lookup Tool

United States Department of the Treasury treasury.gov

US 8 Routes

AS Data

AS13506

AS13506 – United States Department of the Treasury

AS Number	13506
AS Name	US-DEPARTMENT-OF-THE-TREASURY
Organization	United States Department of the Treasury(udt-6)
Country	US
Website	treasury.gov
Number of IPv4 Routes	6
Number of IPv6 Routes	2
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	1999-06-23

ASN Intelligence API for production workflows

Use ASN data for AS13506 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
164.95.0.0/16	AS13506	United States Department of the Treasury	United States Department of the Treasury	65536
164.95.204.0/24	AS13506	United States Department of the Treasury	United States Department of the Treasury	256
2610:108:4100::/40	AS13506	United States Department of the Treasury	United States Department of the Treasury	~309×10²⁴
166.123.208.0/24	AS13506	United States Department of the Treasury	United States Department of the Treasury	256
166.123.204.0/24	AS13506	United States Department of the Treasury	United States Department of the Treasury	256
166.123.0.0/16	AS13506	United States Department of the Treasury	United States Department of the Treasury	65536
164.95.95.0/24	AS13506	United States Department of the Treasury	United States Department of the Treasury	256
2610:108:3100::/40	AS13506	United States Department of the Treasury	United States Department of the Treasury	~309×10²⁴

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:       13506
ASName:         US-DEPARTMENT-OF-THE-TREASURY
ASHandle:       AS13506
RegDate:        1999-06-23
Updated:        2014-09-22    
Ref:            https://rdap.arin.net/registry/autnum/13506


OrgName:        United States Department of the Treasury
OrgId:          UDT-6
Address:        OCIO
Address:        1750 Pennsylvania Ave., NW
City:           Washington
StateProv:      DC
PostalCode:     20006
Country:        US
RegDate:        1999-06-23
Updated:        2025-03-27
Ref:            https://rdap.arin.net/registry/entity/UDT-6


OrgRoutingHandle: TIC5-ARIN
OrgRoutingName:   TIC
OrgRoutingPhone:  +1-304-480-6845 
OrgRoutingEmail:  ecb-tic@fiscal.treasury.gov
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TIC5-ARIN

OrgAbuseHandle: USTRE-ARIN
OrgAbuseName:   US-TREASURY-SOC
OrgAbusePhone:  +1-202-927-9777 
OrgAbuseEmail:  soc@soc.treasury.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/USTRE-ARIN

OrgTechHandle: TIC5-ARIN
OrgTechName:   TIC
OrgTechPhone:  +1-304-480-6845 
OrgTechEmail:  ecb-tic@fiscal.treasury.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/TIC5-ARIN

OrgTechHandle: METZI13-ARIN
OrgTechName:   Metzinger, Timothy 
OrgTechPhone:  +1-202-286-9654 
OrgTechEmail:  timothy.metzinger@treasury.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/METZI13-ARIN

OrgTechHandle: DLS46-ARIN
OrgTechName:   Smicker, Daniel L
OrgTechPhone:  +1-304-480-7779 
OrgTechEmail:  ecb-hosting@fiscal.treasury.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/DLS46-ARIN

OrgNOCHandle: USTRE-ARIN
OrgNOCName:   US-TREASURY-SOC
OrgNOCPhone:  +1-202-927-9777 
OrgNOCEmail:  soc@soc.treasury.gov
OrgNOCRef:    https://rdap.arin.net/registry/entity/USTRE-ARIN

RTechHandle: KINGJ45-ARIN
RTechName:   King, Jeffrey 
RTechPhone:  +1-202-622-1870 
RTechEmail:  jeffrey.king@treasury.gov
RTechRef:    https://rdap.arin.net/registry/entity/KINGJ45-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
AS14244	NSI Hosting	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS14244	NSI Hosting	US
AS6461	Zayo Bandwidth	US