ASN AS27377 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27377?

AS27377 is listed under FTI CONSULTING.

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.

AS27377 FTI CONSULTING | IPGeolocation.io

ASN Lookup Tool

FTI CONSULTING fticonsulting.com

US 4 Routes

AS Data

AS27377

AS27377 – FTI CONSULTING

AS Number	27377
AS Name	FTICON-909
Organization	FTI CONSULTING(ftico)
Country	US
Website	fticonsulting.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-02-24

ASN Intelligence API for production workflows

Use ASN data for AS27377 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.27.224.0/24	AS27377	FTI CONSULTING	FTI CONSULTING	256
199.27.226.0/24	AS27377	FTI CONSULTING	FTI CONSULTING	256
213.146.181.0/24	AS27377	FTI CONSULTING	FTI Consulting Inc	256
63.157.222.0/24	AS27377	FTI CONSULTING	FTI CONSULTING	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:       27377
ASName:         FTICON-909
ASHandle:       AS27377
RegDate:        2003-02-24
Updated:        2026-01-05    
Ref:            https://rdap.arin.net/registry/autnum/27377


OrgName:        FTI CONSULTING
OrgId:          FTICO
Address:        16701 Melford Blvd.
Address:        Suite 200
City:           Bowie
StateProv:      MD
PostalCode:     20715
Country:        US
RegDate:        2002-09-03
Updated:        2026-01-05
Ref:            https://rdap.arin.net/registry/entity/FTICO


OrgTechHandle: SLS17-ARIN
OrgTechName:   Sutton, Stephan L
OrgTechPhone:  +1-410-972-6025 
OrgTechEmail:  stephan.sutton@fticonsulting.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SLS17-ARIN

OrgTechHandle: GENTI41-ARIN
OrgTechName:   Gentile, Brian 
OrgTechPhone:  +1-410-224-7870 
OrgTechEmail:  brian.gentile@fticonsulting.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GENTI41-ARIN

OrgAbuseHandle: GENTI41-ARIN
OrgAbuseName:   Gentile, Brian 
OrgAbusePhone:  +1-410-224-7870 
OrgAbuseEmail:  brian.gentile@fticonsulting.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GENTI41-ARIN

OrgAbuseHandle: SLS17-ARIN
OrgAbuseName:   Sutton, Stephan L
OrgAbusePhone:  +1-410-972-6025 
OrgAbuseEmail:  stephan.sutton@fticonsulting.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SLS17-ARIN

RTechHandle: GENTI41-ARIN
RTechName:   Gentile, Brian 
RTechPhone:  +1-410-224-7870 
RTechEmail:  brian.gentile@fticonsulting.com
RTechRef:    https://rdap.arin.net/registry/entity/GENTI41-ARIN

RTechHandle: SLS17-ARIN
RTechName:   Sutton, Stephan L
RTechPhone:  +1-410-972-6025 
RTechEmail:  stephan.sutton@fticonsulting.com
RTechRef:    https://rdap.arin.net/registry/entity/SLS17-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
AS8220	COLT Technology Services Group Limited	GB
AS1239	Cogent Communications, LLC	US
AS209	CenturyLink Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS8220	COLT Technology Services Group Limited	GB
AS209	CenturyLink Communications, LLC	US
AS174	Cogent Communications, LLC	US