Data as of Nov 6, 2026
24.155.10.0/24
No anonymizer space · no proxy exits in 30 daysUniversity of Colorado Hospital · space held by Grande Communications Networks, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 24.155.0.0/16 since May 2005 | AS7459 | Residential | 967 149 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 24.155.0.0/16 | 65,536 | GRANDECOM-03 | Grande Communications Networks, LLC (GCNI) · US | Direct Allocation | Apr 3, 2000 | abuse@ |
| └ 24.155.10.0/24 | 256 | GRANDECOM-GRANDECOMMUNICATIONS | Grande Communications (C02518851) · US | Reassigned | Jun 11, 2010 | abuse@ 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
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Nov 2013
- Current origin since
- Apr 2024 · 2.5 yr
- Origin networks
- 2
- Last change of origin
- Apr 2024
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS30267 not the origin | RADB | Route added by Astound on behalf of Midland ISD | MAINT-AS7459 | Apr 26, 2024 |
Whois
Registration for this announcement
- Range
- 24.
155. 10. 0/ 24 - Netname
- GRANDECOM-GRANDECOMMUNICATIONS
- Registrant
- Grande Communications
- Organization
- Grande Communications (C02518851)
- Type
- Reassigned
- Handle
- NET-24-155-10-0-1
- Parent
- NET-24-155-0-0-1
- Created
- Jun 11, 2010
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 3, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
grandecom. com - Name
- Abuse
- Phone
- +1-512-878-4000
- Handle
- ABUSE153-ARIN