View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	199.223.16.0/21	ICF International
	199.223.16.0/24	ICF International
	199.223.17.0/24	ICF International
	199.223.18.0/24	ICF International
	199.223.19.0/24	ICF International
	199.223.20.0/24	ICF International
	199.223.21.0/24	ICF International
	199.223.22.0/24	ICF International
	199.223.23.0/24	ICF International
	199.223.24.0/22	ICF International
	199.223.24.0/24	ICF International
	199.223.27.0/24	ICF International
	199.223.28.0/24	ICF International
	199.223.28.0/22	ICF International
	199.223.29.0/24	ICF International
	199.223.30.0/24	ICF International
	199.223.31.0/24	ICF International
	2604:d800:1001::/48	DartPoints Operating Company, LLC
	2620:7b:b000::/48	ICF International

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy affectionate_euler Policy brave_lehmann Policy mystifying_chebyshev Policy focused_volhard Policy sharp_kare

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS20355	DartPoints Operating Company, LLC	✔	✔
	AS393423	NTT Global Data Centers Americas, INC.	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS20355	DartPoints Operating Company, LLC	✔	✔
	AS393423	NTT Global Data Centers Americas, INC.	✔	✘

ASHandle:       AS3713
OrgID:          ICG-67
ASName:         ICFCONSULTINGGROUPINC
ASNumber:       3713
RegDate:        1994-07-13
Updated:        2014-01-16
Source:         ARIN



OrgID:          ICG-67
OrgName:        ICF International
CanAllocate:    
Street:         1902 Reston Metro Plaza
City:           Reston
State/Prov:     VA
Country:        US
PostalCode:     20190
RegDate:        2013-12-05
Updated:        2023-08-03
OrgAdminHandle: ARINI2-ARIN
OrgTechHandle:  ARINI2-ARIN
OrgAbuseHandle: ARINI2-ARIN
OrgNOCHandle:   ARINI2-ARIN
Source:         ARIN





OrgAdminHandle:       ARINI2-ARIN
OrgAdminName:         ICF ARIN
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ARINI2-ARIN
OrgTechName:          ICF ARIN
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ARINI2-ARIN
OrgAbuseName:         ICF ARIN
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ARINI2-ARIN
OrgNOCName:           ICF ARIN
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-10T03:36:19Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-20355-customers	9
RADB	as-slf-13760-downstream	216
RADB	as-5009	34
LEVEL3	as-lumen-customers-asns	10695
RADB	as-ragingwire	60
RADB	as-hurricanev6	21149