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	Prefix	Description
	199.255.48.0/22	Lahey Clinic, Inc.
	199.255.48.0/21	Lahey Clinic, Inc.
	199.255.52.0/24	Lahey Clinic, Inc.
	199.255.53.0/24	Lahey Clinic, Inc.
	208.64.112.0/21	Lahey Clinic, Inc.

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS40127	Longwood Medical and Academic Area (LMA)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS40127	Longwood Medical and Academic Area (LMA)	✔	✘

ASHandle:       AS13572
OrgID:          LAHEY
ASName:         LAHEYCLINIC
ASNumber:       13572
RegDate:        2005-11-01
Updated:        2012-02-24
Source:         ARIN



OrgID:          LAHEY
OrgName:        Lahey Clinic, Inc.
CanAllocate:    
Street:         41 Mall Road
City:           Burlington
State/Prov:     MA
Country:        US
PostalCode:     01805
RegDate:        2005-09-16
Updated:        2012-02-02
OrgAdminHandle: GIGLI-ARIN
OrgTechHandle:  NETWO4845-ARIN
OrgAbuseHandle: NETWO4845-ARIN
OrgNOCHandle:   NETWO4845-ARIN
Source:         ARIN





OrgAdminHandle:       GIGLI-ARIN
OrgAdminName:         Brian Gigliotti
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO4845-ARIN
OrgTechName:           Network Services
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO4845-ARIN
OrgAbuseName:          Network Services
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NETWO4845-ARIN
OrgNOCName:            Network Services
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:27:07Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf-test	1461
RADB	as-ccf	1539
RADB	as-comcast-edia	2774
RADB	as-netmagic-nok	1930
LEVEL3	as-13407	168
RADB	as198949:as-sd	3515