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	Prefix	Description
	192.31.227.0/24	Left Bank Operation
	198.49.250.0/24	Island Computer Consultants
	199.74.249.0/24	dao Consulting, LLC
	199.201.145.0/24	L0pht Heavy Industries
	199.204.152.0/22	CAMBRIDGE BANDWIDTH CONSORTIUM, INC.
	204.69.206.0/24	The Tesseract Group, Inc.
	204.107.200.0/24	Derek Atkins, Sole Proprietorship
	2605:6c00:9::/48	CoreSite
	2620:131:f000::/40	CAMBRIDGE BANDWIDTH CONSORTIUM, INC.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2734	CoreSite	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2734	CoreSite	✔	✔
	AS401988	5005 LLC	✔	✔
	AS64512	Private ASN	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS401988	5005 LLC	✘	✔

ASHandle:       AS10255
OrgID:          SINIST-2
ASName:         SINISTER
ASNumber:       10255
RegDate:        1997-05-23
Updated:        1997-05-23
TechHandle:     SH91-ORG-ARIN
Source:         ARIN



OrgID:          SINIST-2
OrgName:        Sinister and Solitary
CanAllocate:    
Street:         c/o Robert Keyes
Street:         102 Greenville Rd.
City:           Monson
State/Prov:     ME
Country:        US
PostalCode:     04464
RegDate:        1997-05-23
Updated:        2021-12-27
OrgAdminHandle: SH91-ORG-ARIN
OrgTechHandle:  SH91-ORG-ARIN
OrgAbuseHandle: SH91-ORG-ARIN
Source:         ARIN





OrgAdminHandle:       SH91-ORG-ARIN
OrgAdminName:          Sinister Hostmaster
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SH91-ORG-ARIN
OrgTechName:           Sinister Hostmaster
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SH91-ORG-ARIN
OrgAbuseName:          Sinister Hostmaster
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           SH91-ORG-ARIN
TechName:              Sinister Hostmaster
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-10T03:38:22Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-coresite-bo	3
ARIN	as2734:as-bo	6
RADB	as-hurricane	25061
ARIN	as-xo-b	59948
ALTDB	as-coresite-bo	3
RADB	as-coresite-customers	59
ARIN	as13520:as-all	5
ALTDB	as-cambandcons	2
RADB	as-hurricanev6	21149
RIPE	as-transroute-spec	19620
LEVEL3	as-towardex	383