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	Prefix	Description
	208.89.252.0/22	Charles River Laboratories, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7015	Comcast Cable Communications, LLC	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7015	Comcast Cable Communications, LLC	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘

ASHandle:       AS40834
OrgID:          CRL-48
ASName:         CHARLES-RIVER-LABORATORIES-INC-SHR
ASNumber:       40834
RegDate:        2008-04-28
Updated:        2013-02-11
Source:         ARIN



OrgID:          CRL-48
OrgName:        Charles River Laboratories, Inc.
CanAllocate:    
Street:         251 Ballardvale Street
Street:         ATTN: Information Technology B21
City:           Wilmington
State/Prov:     MA
Country:        US
PostalCode:     01887
RegDate:        2008-04-14
Updated:        2016-12-05
OrgAdminHandle: HOSTA9-ARIN
OrgTechHandle:  CRL-NOC-ARIN
OrgAbuseHandle: CRL-NOC-ARIN
Source:         ARIN





OrgAdminHandle:       HOSTA9-ARIN
OrgAdminName:          Host Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CRL-NOC-ARIN
OrgTechName:           Host Master
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CRL-NOC-ARIN
OrgAbuseName:          Host Master
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:27:11Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-comcast-edia	2746
RIPE	as-demoncust	38