Data as of Nov 15, 2026

199.16.200.0/21

No anonymizer space · no proxy exits in 30 days

The Northern Trust Company

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
199.16.200.0/22
since Apr 2019
AS14379BusinessThe Northern Trust Company
199.16.200.0/23
since Mar 2020
AS19299BusinessThe Northern Trust Company
199.16.202.0/23
since Mar 2020
AS19299BusinessThe Northern Trust Company
199.16.204.0/22
since Mar 2020
AS19299BusinessThe Northern Trust Company
199.16.204.0/23
since Apr 2019
AS14379BusinessThe Northern Trust Company
199.16.206.0/23
since Apr 2019
AS14379BusinessThe Northern Trust Company

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Reactivated
First seen
Jul 2010
Current origin since
Jun 2025 · 1.4 yr
Origin networks
4
Last change of origin
Jun 2025
Recorded history

History

Handoffs
3