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	Prefix	Description
	162.82.0.0/16	William Beaumont Hospital
	167.73.0.0/18	Spectrum Health
	167.73.0.0/20	Spectrum Health
	167.73.16.0/20	Spectrum Health
	167.73.64.0/18	Spectrum Health
	167.73.128.0/18	Spectrum Health
	167.73.192.0/18	Spectrum Health
	208.90.92.0/22	OAKWOOD HEALTHCARE INC

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS26554	US Signal Company, L.L.C.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS26554	US Signal Company, L.L.C.	✔	✘

ASHandle:       AS30710
OrgID:          SPECT-19
ASName:         SPECT-19-AS
ASNumber:       30710
RegDate:        2003-12-09
Updated:        2012-03-02
Source:         ARIN



OrgID:          SPECT-19
OrgName:        Spectrum Health
CanAllocate:    
Street:         100 Michigan St NE
Street:         Mail Code 064
City:           Grand Rapids
State/Prov:     MI
Country:        US
PostalCode:     49503
RegDate:        2003-12-01
Updated:        2025-07-31
OrgAdminHandle: TELEC3-ARIN
OrgTechHandle:  GRESH26-ARIN
OrgTechHandle:  NETWO425-ARIN
OrgTechHandle:  TELEC3-ARIN
OrgTechHandle:  TOROD-ARIN
OrgAbuseHandle: NETWO425-ARIN
OrgAbuseHandle: TELEC3-ARIN
Source:         ARIN





OrgAdminHandle:       TELEC3-ARIN
OrgAdminName:          Telecommunications Manager
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        GRESH26-ARIN
OrgTechName:          William Gresham
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO425-ARIN
OrgTechName:           Network Administrators
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TELEC3-ARIN
OrgTechName:           Telecommunications Manager
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TOROD-ARIN
OrgTechName:          David Torode
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO425-ARIN
OrgAbuseName:          Network Administrators
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       TELEC3-ARIN
OrgAbuseName:          Telecommunications Manager
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-28T03:29:07Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-30517-associated	249
RIPE	as-transroute-spec	19679
RADB	as-pnapchg	367
RADB	as-hurricane	24731
RADB	as16631:as-cogc-017	60
LEVEL3	as-level3-origins-na	0
RADB	as174:as-cogc-021	43
RADB	as26554:as-customers	243