Data as of Nov 8, 2026
204.99.128.0/24
No anonymizer space · no proxy exits in 30 daysUniversity of Utah · space held by Utah Education Network
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 |
|---|---|---|---|---|---|---|
| 204.99.128.0/24 | 256 | NETBLK-UEN-WN | Utah Education Network (UEN-1-Z) · US | Direct Allocation | Jul 12, 1994 | abuse@ |
| └ 204.99.128.0/24 | 256 | UU-Y | University of Utah (UNIVER-15) · US | Reassigned | Apr 29, 2010 | hostmaster@ |
Network & registry
Registry
Holder
- Organization
- Utah Education Network
- Handle
- UEN-1-Z
- Range
- 204.
99. 128. 0/ 24 - Registration type
- Direct Allocation
- Record created
- Jul 12, 1994
- Legacy
- yes
Origin network
AS17055
US
- Name
- University of Utah
- Type
- Education
- Registered
- Jul 18, 2000
- Domain
- utah.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2012
- Current origin since
- Feb 2012 · 15 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
99. 128. 0/ 24 - Netname
- UU-Y
- Registrant
- University of Utah
- Organization
- University of Utah (UNIVER-15)
- Org address
- University of Utah, Salt Lake City, UT, 84111
- Org country
- US
- Type
- Reassigned
- Handle
- NET-204-99-128-0-1
- Parent
- NET-204-99-128-0-2
- Created
- Apr 29, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 12, 1994
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
utah. edu - Name
- University of Utah
- Phone
- +1-801-585-3704
- Handle
- ZU27-ARIN