Data as of Nov 13, 2026

67.221.16.0/21

No anonymizer space · no proxy exits in 30 days

New York City Health & Hospitals Corporation

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
67.221.16.0/20
since Mar 2025
AS11584BusinessNew York City Health & Hospitals Corporation
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
67.221.16.0/24
since Jul 2009
AS46996BusinessNew York City Health & Hospitals Corporation
67.221.18.0/24
since Jun 2023
AS46996BusinessNew York City Health & Hospitals Corporation
67.221.19.0/24
since Jun 2023
AS46996BusinessNew York City Health & Hospitals Corporation

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Nov 2023
Current origin since
Nov 2023 · 3.0 yr
Origin networks
1