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	Prefix	Description
	65.199.161.0/24	First Manhattan Co.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS40397
OrgID:          FM-1
ASName:         FIRST-MANHATTAN
ASNumber:       40397
RegDate:        2011-07-06
Updated:        2022-01-10
Source:         ARIN



OrgID:          FM-1
OrgName:        First Manhattan Co.
CanAllocate:    
Street:         399 Park Ave
Street:         27th Floor
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10022
RegDate:        2011-06-17
Updated:        2022-01-07
OrgAdminHandle: ARIN49-ARIN
OrgTechHandle:  ARIN49-ARIN
OrgAbuseHandle: ARIN49-ARIN
Source:         ARIN





OrgAdminHandle:       ARIN49-ARIN
OrgAdminName:          arin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ARIN49-ARIN
OrgTechName:           arin
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ARIN49-ARIN
OrgAbuseName:          arin
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:25:03Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf	1492
RADB	as-ccf-test	1461