LAYER3 INTEL
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Data as of Nov 9, 2026

156.111.109.0/24

4 residential-proxy exits · 30 days

NewYork-Presbyterian Hospital · space held by The Trustees of Columbia University in the City of New York

Announcement
156.111.64.0/18
No RPKI
Announced by
AS395139
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
4
1.6% of its addresses · 30 days
Providers
3
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

165 observations

Proxy providers listing exits

  • ColaProxy
  • Thordata
  • ThunderProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
156.111.0.0/17
since Oct 2016
AS395139Business8The Trustees of Columbia University in the City of New York
156.111.0.0/16
since Oct 2016
AS395139Business8The Trustees of Columbia University in the City of New York

Network & registry

AnnouncementRouting historyWhois & abuse
Announced by

Covering announcement 156.111.64.0/18

Prefix
156.111.64.0/18
Announced by
AS395139 NewYork-Presbyterian Hospital
Type
Business
Proxy exits
8
RPKI
No RPKI
Netname
CPMC
Registrant
The Trustees of Columbia University in the City of New York
RIR
ARIN
Origin network

AS395139

US
Name
NewYork-Presbyterian Hospital
Type
Business
Registered
Sep 7, 2016
Domain
nyp.org
Industry
Retail Stores, Wholesale, and E-commerce Sites
Spamhaus ASN-DROP
not listed