Data as of Nov 9, 2026

204.229.220.0/22

No anonymizer space · no proxy exits in 30 days

Charter Communications Inc · space held by The University of Arizona

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
204.229.192.0/18	16,384	ARIZ-FORMER-WEST	The University of Arizona (UOAZ-Z) · US	Direct Allocation	Jan 12, 1995	abuse@arizona.edu
└ 204.229.192.0/18	16,384	WEST-204-229-192-ARIZ	Arizona Tri-University Network (ASU, UA, NAU) (ARIZ) · US	Reallocated	Jul 18, 1995	mike.brown@asu.edu
└ 204.229.219.0 - 204.229.223.255	1,280	AWC-EDU	Arizona Western College (C01082295) · US	Reassigned	Feb 17, 1994	mike.brown@asu.edu via ARIZ-FORMER-WEST

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Registry

Origin network