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	Prefix	Description
	69.173.64.0/19	The Broad Institute, Inc.
	69.173.64.0/18	The Broad Institute, Inc.
	69.173.95.0/24	The Broad Institute, Inc.
	69.173.96.0/19	The Broad Institute, Inc.
	69.173.97.0/24	The Broad Institute, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS398427	Markley Network Services, LLC	✔	✘
	AS7015	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS398427	Markley Network Services, LLC	✔	✘
	AS7015	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS46964
OrgID:          THEBR-27
ASName:         BROADINSTITUTE-AS
ASNumber:       46964
RegDate:        2009-05-18
Comment:        http://broadinstitute.org
Updated:        2012-02-24
TechHandle:     NETWO2935-ARIN
AbuseHandle:    NETWO2935-ARIN
NOCHandle:      NETWO2935-ARIN
Source:         ARIN



OrgID:          THEBR-27
OrgName:        The Broad Institute, Inc.
CanAllocate:    
Street:         415 Main Street
City:           Cambridge
State/Prov:     MA
Country:        US
PostalCode:     02142
Comment:        http://www.broadinstitute.org
RegDate:        2009-02-06
Updated:        2014-11-06
OrgAdminHandle: NETWO2935-ARIN
OrgTechHandle:  NETWO2935-ARIN
OrgAbuseHandle: NETWO2935-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO2935-ARIN
OrgAdminName:          Network Manager
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO2935-ARIN
OrgTechName:           Network Manager
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO2935-ARIN
OrgAbuseName:          Network Manager
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           NETWO2935-ARIN
TechName:              Network Manager
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          NETWO2935-ARIN
AbuseName:             Network Manager
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            NETWO2935-ARIN
NOCName:               Network Manager
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:27:40Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as10578:as-broad	1
ARIN	as-xo	1
RADB	as-comcast-edia	2746
ARIN	as-xo-b	58159
ARIN	as-markleyns:as-markleyns-bos	11
ARIN	as-markleyns:as-markleyns-ash	2