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	Prefix	Description
	192.236.16.0/24	Marshfield Clinic Inc.
	192.236.16.0/21	Marshfield Clinic Inc.
	192.236.17.0/24	Marshfield Clinic Inc.
	192.236.18.0/24	Marshfield Clinic Inc.
	192.236.19.0/24	Marshfield Clinic Inc.
	192.236.20.0/24	Marshfield Clinic Inc.
	192.236.21.0/24	Marshfield Clinic Inc.
	192.236.22.0/24	Marshfield Clinic Inc.
	192.236.23.0/24	Marshfield Clinic Inc.
	192.236.25.0/24	Marshfield Clinic Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS40264	Charter Communications LLC	✔	✘
	AS11796	Airstream Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS40264	Charter Communications LLC	✔	✘
	AS11796	Airstream Communications, LLC	✔	✘

ASHandle:       AS25958
OrgID:          MMREF
ASName:         MC-INT
ASNumber:       25958
RegDate:        2017-10-10
Updated:        2017-10-10
Source:         ARIN



OrgID:          MMREF
OrgName:        Marshfield Clinic Inc.
CanAllocate:    
Street:         1000 North Oak Avenue
City:           Marshfield
State/Prov:     WI
Country:        US
PostalCode:     54449
RegDate:        1992-10-13
Updated:        2024-11-12
OrgAdminHandle: POPPY-ARIN
OrgTechHandle:  ERDMA43-ARIN
OrgTechHandle:  POPPY-ARIN
OrgTechHandle:  TMG19-ARIN
OrgAbuseHandle: ERDMA43-ARIN
OrgAbuseHandle: POPPY-ARIN
OrgAbuseHandle: TMG19-ARIN
Source:         ARIN





OrgAdminHandle:       POPPY-ARIN
OrgAdminName:         Ben Poppy
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ERDMA43-ARIN
OrgTechName:          Mark Erdman
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        POPPY-ARIN
OrgTechName:          Ben Poppy
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TMG19-ARIN
OrgTechName:          Todd Gauerke
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ERDMA43-ARIN
OrgAbuseName:         Mark Erdman
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       POPPY-ARIN
OrgAbuseName:         Ben Poppy
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       TMG19-ARIN
OrgAbuseName:         Todd Gauerke
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:35:45Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as11796:as-customers-arin	155
RADB	as11796:as-customers	159
RIPE	as-transroute-spec	19679
LEVEL3	as-sprint-origins	7309
ARIN	as-mmref	2
RADB	as-hurricane	24726
LEVEL3	as-embarq	154