LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

173.224.191.0/24

No anonymizer space · no proxy exits in 30 days

Custer Telephone Cooperative, Inc. · reallocated from Syringa Networks, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS54847
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
its first announcement on record
registry: reallocated to Custer Telephone Cooperative, Inc. by Syringa Networks, LLC, Jul 23, 2026

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
173.224.176.0/20
since Feb 2010
AS15305Internet provider16
2 always on
Syringa Networks, LLC

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
173.224.176.0/204,096SYRINGANETWORKSSyringa Networks, LLC (SYRI) · USDirect AllocationJan 20, 2010abuse@syringanetworks.net
└ 173.224.188.0/221,024COM-00431-173-224-188-0-22Custer Telephone Cooperative, Inc. (CUSTE) · USReallocatedJul 23, 2026—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Syringa Networks, LLC
Handle
SYRI
Range
173.224.176.0/20
Registration type
Direct Allocation
Record created
Jan 20, 2010
Reallocated to
Custer Telephone Cooperative, Inc. (CUSTE)
Reallocated range
173.224.188.0/22
Reallocated
Jul 23, 2026
Origin network

AS54847

US
Name
Custer Telephone Cooperative, Inc.
Type
Internet provider
Registered
Sep 7, 2012
Domain
custertel.com
Spamhaus ASN-DROP
not listed