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
	204.19.223.0/24	Gentex Corporation

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy priceless_clifford

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
	AS12129	123.Net, Inc.	✔	✘
	AS11904	AcenTek	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS11904	AcenTek	✔	✘
	AS12129	123.Net, Inc.	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘

ASHandle:       AS40599
OrgID:          GC-3
ASName:         GENTEXCORPORATION
ASNumber:       40599
RegDate:        2011-04-15
Comment:        www.gentex.com
Updated:        2012-02-24
Source:         ARIN



OrgID:          GC-3
OrgName:        Gentex Corporation
CanAllocate:    
Street:         600 N. Centennial
City:           Zeeland
State/Prov:     MI
Country:        US
PostalCode:     49464
RegDate:        2011-03-10
Updated:        2025-06-02
OrgAdminHandle: INFRA275-ARIN
OrgTechHandle:  INFRA275-ARIN
OrgTechHandle:  KAR30-ARIN
OrgAbuseHandle: INFRA275-ARIN
OrgNOCHandle:   INFRA275-ARIN
OrgRoutingHandle:   INFRA275-ARIN
OrgDNSHandle:   INFRA275-ARIN
Source:         ARIN





OrgAdminHandle:       INFRA275-ARIN
OrgAdminName:          Infrastructure
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        INFRA275-ARIN
OrgTechName:           Infrastructure
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        KAR30-ARIN
OrgTechName:          Kim Roetman
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       INFRA275-ARIN
OrgAbuseName:          Infrastructure
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         INFRA275-ARIN
OrgNOCName:            Infrastructure
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     INFRA275-ARIN
OrgRoutingName:        Infrastructure
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         INFRA275-ARIN
OrgDNSName:            Infrastructure
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:25:53Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-windstream-cust	2135
APNIC	as-63529-as-import-as6939	38131
RIPE	as-transroute-spec	19683
LEVEL3	as-i123	843
ARIN	as11904:as-all	5
RADB	as-hurricane	24739
ARIN	as-xo-b	58181