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	Prefix	Description
	64.6.36.0/24	InterSystems Corporation
	64.6.36.0/23	InterSystems Corporation
	64.6.37.0/24	InterSystems Corporation
	128.177.43.0/24	Akamai
	208.185.132.0/24	Intersystems Corporation-ZNS

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS49915	Megaport (UK) Limited	✔	✘
	AS6461	Zayo Bandwidth	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS49915	Megaport (UK) Limited	✔	✘

ASHandle:       AS400523
OrgID:          INTERS-5
ASName:         INTERSYSTEMS
ASNumber:       400523
RegDate:        2023-09-21
Comment:        www.intersystems.com
Updated:        2023-09-21
Source:         ARIN



OrgID:          INTERS-5
OrgName:        InterSystems Corporation
CanAllocate:    
Street:         InterSystems Corporation
Street:         One Congress Street
City:           Boston
State/Prov:     MA
Country:        US
PostalCode:     02114
RegDate:        1993-04-07
Updated:        2025-04-04
OrgAdminHandle: TECHS142-ARIN
OrgTechHandle:  CLARK1793-ARIN
OrgTechHandle:  TECHS142-ARIN
OrgAbuseHandle: TECHS142-ARIN
Source:         ARIN





OrgAdminHandle:       TECHS142-ARIN
OrgAdminName:          techs
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CLARK1793-ARIN
OrgTechName:          Anthony Clark
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TECHS142-ARIN
OrgTechName:           techs
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       TECHS142-ARIN
OrgAbuseName:          techs
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-03-13T03:27:09Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf	1514
RIPE	as49915:as-customers	274
RADB	as-ccf-test	1461