Data as of Nov 6, 2026

24.155.10.0/24

No anonymizer space · no proxy exits in 30 days

University of Colorado Hospital · space held by Grande Communications Networks, LLC

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
24.155.0.0/16
since May 2005
AS7459Residential967
149 always on
Grande Communications 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
24.155.0.0/1665,536GRANDECOM-03Grande Communications Networks, LLC (GCNI) · USDirect AllocationApr 3, 2000abuse@grandecom.com
└ 24.155.10.0/24256GRANDECOM-GRANDECOMMUNICATIONSGrande Communications (C02518851) · USReassignedJun 11, 2010abuse@grandecom.com
via GRANDECOM-03

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

Network & registry

Registry

Holder

Organization
Grande Communications Networks, LLC
Handle
GCNI
Range
24.155.0.0/16
Registration type
Direct Allocation
Record created
Apr 3, 2000
Origin network

AS18693

US
Name
University of Colorado Hospital
Type
Education
Registered
Jun 4, 2013
Domain
colorado.edu
Industry
Hospitals and Medical Centers
Spamhaus ASN-DROP
not listed