Data as of Nov 10, 2026

170.28.136.0/24

No anonymizer space · no proxy exits in 30 days

Metropolitan Transportation Authority · space held by New York City Transit Authority

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
170.28.136.0/21
since Oct 2015
AS12187BusinessNew York City Transit Authority

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jan 2017
Current origin since
Jan 2017 · 9.8 yr
Origin networks
1