Data as of Nov 7, 2026
129.19.148.0/23
No anonymizer space · no proxy exits in 30 daysUniversity Corporation for Atmospheric Research · reallocated from Colorado State University
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Recent change
Reallocated Jul 30, 2026
to University Corporation for Atmospheric Research by Colorado State University
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 129.19.0.0/16 since Oct 2009 | AS14041 | Business | 60 4 always on | Colorado State University |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 129.19.149.0/24 | AS14041 | Business | Colorado State University via University Corporation for Atmospheric Research |
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 |
|---|---|---|---|---|---|---|
| 129.19.0.0/16 | 65,536 | WESTNET | Colorado State University (CSU-2-Z) · US | Direct Allocation | Jul 8, 1987 | dns. |
| └ 129.19.128.0/18 | 16,384 | FRGP-PARTICIPANT-ASSIGNMENTS-01 | University Corporation for Atmospheric Research (UCAR-1) · US | Reallocated | Jul 30, 2026 | abuse@ |
| └ 129.19.148.0/23 | 512 | WESTNET-NEON-01 | Battelle Ecology (NEON) (C11692250) · US | Reassigned | Aug 26, 2026 | abuse@ via FRGP-PARTICIPANT-ASSIGNMENTS-01 |
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
- Colorado State University
- Handle
- CSU-2-Z
- Range
- 129.
19. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jul 8, 1987
- Legacy
- yes
- Reallocated to
- University Corporation for Atmospheric Research (UCAR-1)
- Reallocated range
- 129.
19. 128. 0/ 18 - Reallocated
- Jul 30, 2026
Origin network
AS14041
US
- Name
- University Corporation for Atmospheric Research
- Type
- Education
- Registered
- Oct 7, 1999
- Domain
- frgp.net
- Website
- www.frgp.net
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- First seen
- Before our records
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 129.19.148.0/23 | AS14041 | /24 | ARIN | RPKI valid |
| 129.19.0.0/16 | AS14041 | /16 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS14041 | ARIN | Colorado State University | MNT-CSU-2-Z | Apr 18, 2026 |
Whois
Registration for this announcement
- Range
- 129.
19. 148. 0/ 23 - Netname
- WESTNET-NEON-01
- Registrant
- Battelle Ecology (NEON)
- Organization
- Battelle Ecology (NEON) (C11692250)
- Type
- Reassigned
- Handle
- NET-129-19-148-0-1
- Parent
- NET-129-19-128-0-1
- Created
- Aug 26, 2026
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 8, 1987
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ucar. edu - Name
- Abuse
- Phone
- +1-307-996-4300
- Handle
- ABUSE18-ARIN