ASN AS12171 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS12171?

AS12171 is listed under Fast Enterprises, LLC.

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.

AS12171 Fast Enterprises, LLC

ASN Lookup Tool

Fast Enterprises, LLC fastenterprises.com

US 10 Routes

AS Data

AS12171

AS12171 – Fast Enterprises, LLC

AS Number	12171
AS Name	FASTENTERPRISES
Organization	Fast Enterprises, LLC(fel16)
Country	US
Website	fastenterprises.com
Number of IPv4 Routes	10
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2010-08-25

ASN Intelligence API for production workflows

Use ASN data for AS12171 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
170.10.106.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.108.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.103.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.104.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.99.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.102.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.97.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.101.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.96.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	256
170.10.100.0/24	AS12171	Fast Enterprises, LLC	Fast Enterprises, LLC	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:       12171
ASName:         FASTENTERPRISES
ASHandle:       AS12171
RegDate:        2010-08-25
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/12171


OrgName:        Fast Enterprises, LLC
OrgId:          FEL16
Address:        7229 S. Alton Way
City:           Centennial
StateProv:      CO
PostalCode:     80112
Country:        US
RegDate:        2010-06-30
Updated:        2024-02-13
Ref:            https://rdap.arin.net/registry/entity/FEL16


OrgNOCHandle: NOC32518-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-303-770-3700 
OrgNOCEmail:  arin_noc@fastenterprises.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32518-ARIN

OrgTechHandle: TECH993-ARIN
OrgTechName:   Tech
OrgTechPhone:  +1-303-770-3700 
OrgTechEmail:  arin_tech@fastenterprises.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECH993-ARIN

OrgAbuseHandle: ABUSE5458-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-303-770-3700 
OrgAbuseEmail:  arin_abuse@fastenterprises.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5458-ARIN

RNOCHandle: COLTJ-ARIN
RNOCName:   Colt, Jeremy 
RNOCPhone:  +1-303-773-4816 
RNOCEmail:  jcolt@gentax.net
RNOCRef:    https://rdap.arin.net/registry/entity/COLTJ-ARIN

RTechHandle: COLTJ-ARIN
RTechName:   Colt, Jeremy 
RTechPhone:  +1-303-773-4816 
RTechEmail:  jcolt@gentax.net
RTechRef:    https://rdap.arin.net/registry/entity/COLTJ-ARIN

RAbuseHandle: COLTJ-ARIN
RAbuseName:   Colt, Jeremy 
RAbusePhone:  +1-303-773-4816 
RAbuseEmail:  jcolt@gentax.net
RAbuseRef:    https://rdap.arin.net/registry/entity/COLTJ-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
AS29944	Latisys-Ashburn, LLC	US
AS29944	Latisys Ashburn, LLC	US
AS29863	Latisys-Denver, LLC	US
AS29863	Latisys Denver, LLC	US

Upstreams

AS Number	Description	Country
AS29944	Latisys Ashburn, LLC	US
AS29863	Latisys Denver, LLC	US

Contacts

Email Contacts

arin_tech@fastenterprises.com

Abuse Contacts

arin_abuse@fastenterprises.com