Data as of Nov 9, 2026

140.165.0.0/16

No anonymizer space · no proxy exits in 30 days

Teledyne Technologies Incorporated · space held by Teledyne Brown Engineering

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

>99% of it

Announcements

Nesting

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Prefix	Origin	Type	Holder
140.165.34.0/24 since Oct 2017	AS206223	Business
140.165.50.0/24 since Oct 2018	AS21547	Unknown	Teledyne Brown Engineering
140.165.52.0/24 since Apr 2023	AS397353	Business	Teledyne Brown Engineering
140.165.53.0/24 since Apr 2023	AS397353	Business	Teledyne Brown Engineering
140.165.54.0/24 since Apr 2023	AS397353	Business	Teledyne Brown Engineering
140.165.55.0/24 since Apr 2023	AS397353	Business	Teledyne Brown Engineering
140.165.56.0/24 since Apr 2023	AS397353	Business	Teledyne Brown Engineering
140.165.57.0/24 since Jan 2026	AS397353	Business	Teledyne Brown Engineering
140.165.58.0/24 since Apr 2023	AS397353	Business	Teledyne Brown Engineering
140.165.59.0/24 since Feb 2026	AS397353	Business	Teledyne Brown Engineering
140.165.96.0/22 since Oct 2017	AS206223	Business
140.165.202.0/24 since Sep 2021	AS397353	Business	Teledyne Brown Engineering
140.165.206.0/24 since Sep 2025	AS397353	Business	Teledyne Brown Engineering

The types across the prefix's announced space, by addresses.

Announced space

Announced space

65,536 addresses

Type	Addresses	Share	Ranges
Business	65,280	>99%	19
Unknown	256	0.39%	1

Origin network