ASN AS3713 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS3713?

AS3713 is listed under ICF International.

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.

AS3713 ICF International | IPGeolocation.io

ASN Lookup Tool

ICF International icfi.com

US 19 Routes

AS Data

AS3713

AS3713 – ICF International

AS Number	3713
AS Name	ICFCONSULTINGGROUPINC
Organization	ICF International (icg-67)
Country	US
Website	icfi.com
Number of IPv4 Routes	17
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1994-07-13

ASN Intelligence API for production workflows

Use ASN data for AS3713 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.223.18.0/24	AS3713	ICF International	ICF International	256
199.223.16.0/24	AS3713	ICF International	ICF International	256
199.223.16.0/21	AS3713	ICF International	ICF International	2048
199.223.28.0/22	AS3713	ICF International	ICF International	1024
199.223.23.0/24	AS3713	ICF International	ICF International	256
199.223.21.0/24	AS3713	ICF International	ICF International	256
199.223.29.0/24	AS3713	ICF International	ICF International	256
199.223.27.0/24	AS3713	ICF International	ICF International	256
199.223.20.0/24	AS3713	ICF International	ICF International	256
2604:d800:1001::/48	AS3713	ICF International	REV	~1×10²⁴

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:       3713
ASName:         ICFCONSULTINGGROUPINC
ASHandle:       AS3713
RegDate:        1994-07-13
Updated:        2014-01-16
Ref:            https://rdap.arin.net/registry/autnum/3713


OrgName:        ICF International
OrgId:          ICG-67
Address:        1902 Reston Metro Plaza
City:           Reston
StateProv:      VA
PostalCode:     20190
Country:        US
RegDate:        2013-12-05
Updated:        2023-08-03
Ref:            https://rdap.arin.net/registry/entity/ICG-67


OrgNOCHandle: ARINI2-ARIN
OrgNOCName:   ARIN, ICF 
OrgNOCPhone:  +1-703-934-3000 
OrgNOCEmail:  arin@icfi.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ARINI2-ARIN

OrgTechHandle: ARINI2-ARIN
OrgTechName:   ARIN, ICF 
OrgTechPhone:  +1-703-934-3000 
OrgTechEmail:  arin@icfi.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ARINI2-ARIN

OrgAbuseHandle: ARINI2-ARIN
OrgAbuseName:   ARIN, ICF 
OrgAbusePhone:  +1-703-934-3000 
OrgAbuseEmail:  arin@icfi.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARINI2-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "3713",
    "as_handle" : "AS3713",
    "as_name" : "ICFCONSULTINGGROUPINC",
    "tech_contacts" : [ "ARINI2-ARIN" ],
    "abuse_contacts" : [ "ARINI2-ARIN" ],
    "date_created" : "1994-07-13",
    "date_updated" : "2014-01-16",
    "source" : "https://rdap.arin.net/registry/autnum/3713"
  } ],
  "organization" : {
    "handle" : "ICG-67",
    "name" : "ICF International",
    "address" : [ "1902 Reston Metro Plaza", "Reston", "VA", "20190", "US" ],
    "street" : "Reston Metro Plaza",
    "city" : "Reston",
    "state" : "VA",
    "zip_code" : "20190",
    "country" : [ "US" ],
    "date_created" : "2013-12-05",
    "date_updated" : "2023-08-03",
    "source" : "https://rdap.arin.net/registry/entity/ICG-67",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ARINI2-ARIN",
    "name" : "ARIN, ICF",
    "email" : [ "arin@icfi.com" ],
    "phone" : [ "+1-703-934-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/ARINI2-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ARINI2-ARIN",
    "name" : "ARIN, ICF",
    "email" : [ "arin@icfi.com" ],
    "phone" : [ "+1-703-934-3000" ],
    "source" : "https://rdap.arin.net/registry/entity/ARINI2-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS393423	NTT Global Data Centers Americas, INC.	US
AS20355	REV	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS393423	NTT Global Data Centers Americas, INC.	US
AS20355	REV	US