Data as of Nov 9, 2026

204.229.224.0/22

No anonymizer space · no proxy exits in 30 days

The University of Arizona

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

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
204.229.192.0/1816,384ARIZ-FORMER-WESTThe University of Arizona (UOAZ-Z) · USDirect AllocationJan 12, 1995abuse@arizona.edu
└ 204.229.192.0/1816,384WEST-204-229-192-ARIZArizona Tri-University Network (ASU, UA, NAU) (ARIZ) · USReallocatedJul 18, 1995mike.brown@asu.edu
└ 204.229.224.0/221,024COCSDunknown———

Network & registry

Announced by

Covering announcement 204.229.224.0/21

Prefix
204.229.224.0/21
Announced by
AS1706 The University of Arizona
Type
Business
RPKI
No RPKI
Netname
WEST-204-229-192-ARIZ
Registrant
Arizona Tri-University Network (ASU, UA, NAU)
RIR
ARIN
Registry

Holder

Organization
The University of Arizona
Handle
UOAZ-Z
Range
204.229.192.0/18
Registration type
Direct Allocation
Record created
Jan 12, 1995
Legacy
yes
Reallocated to
Arizona Tri-University Network (ASU, UA, NAU) (ARIZ)
Reallocated
Jul 18, 1995
Origin network

AS1706

US
Name
The University of Arizona
Type
Education
Registered
Feb 13, 1992
Domain
arizona.edu
Industry
Colleges, Universities, and Professional Schools
Spamhaus ASN-DROP
not listed