Data as of Nov 14, 2026

204.99.154.0/23

No anonymizer space · no proxy exits in 30 days

Syringa Networks, LLC · space held by Utah Education Network

Announcement
this exact prefix
No RPKI
Announced by
Type
Unknown
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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
204.99.153.0 - 204.99.155.255768UENUtah Education Network (UEN-1-Z) · USDirect AllocationJul 12, 1994abuse@uen.org
└ 204.99.154.0/23512LOGANCITY-NETCity of Logan (CITYOF-55) · USReassignedJul 18, 1995—

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Aug 2016 · 10 yr
Origin networks
2
Last change of origin
Nov 2013
Recorded history

History

Handoffs
1