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	Prefix	Description
	170.28.16.0/23	New York City Transit Authority
	170.28.16.0/24	New York City Transit Authority
	170.28.17.0/24	New York City Transit Authority
	170.28.20.0/24	New York City Transit Authority
	170.28.32.0/19	New York City Transit Authority
	170.28.64.0/24	New York City Transit Authority
	170.28.64.0/19	New York City Transit Authority
	170.28.128.0/21	New York City Transit Authority
	170.28.128.0/24	New York City Transit Authority
	170.28.136.0/21	New York City Transit Authority
	170.28.136.0/24	New York City Transit Authority
	170.28.137.0/24	New York City Transit Authority
	170.28.139.0/24	New York City Transit Authority
	170.28.140.0/24	New York City Transit Authority
	170.28.142.0/24	New York City Transit Authority
	170.28.143.0/24	New York City Transit Authority

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS701	Verizon Business	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS54004	Optimum WiFi	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS701	Verizon Business	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS54004	Optimum WiFi	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS12187
OrgID:          MTA-41
ASName:         MTAHQ1
ASNumber:       12187
RegDate:        1999-04-13
Updated:        2012-03-02
TechHandle:     PB130-ARIN
Source:         ARIN



OrgID:          MTA-41
OrgName:        Metropolitan Transportation Authority
CanAllocate:    
Street:         345 Madison Ave 15th flr
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10017
RegDate:        1999-04-13
Updated:        2021-09-29
OrgAdminHandle: PB130-ARIN
OrgTechHandle:  PB130-ARIN
OrgAbuseHandle: PB130-ARIN
Source:         ARIN





OrgAdminHandle:       PB130-ARIN
OrgAdminName:         Pierre Bernard
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        PB130-ARIN
OrgTechName:          Pierre Bernard
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       PB130-ARIN
OrgAbuseName:         Pierre Bernard
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           PB130-ARIN
TechName:             Pierre Bernard
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:34:22Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as6128:as-customers	773
LEVEL3	as-sprint-customers	1756
LEVEL3	as-sprint-origins	7309
ARIN	as-ves-ds	157
RADB	as-ccf	1492
RADB	as-ccf-test	1461
RADB	as-27506-transit	202
ARIN	as1239:as-customers	4238