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Data as of Nov 5, 2026

129.19.146.0/24

No anonymizer space · no proxy exits in 30 days

Region 10 League for Economic Assistance and Planning, Inc. · space held by Colorado State University

Announcement
this exact prefix
RPKI valid
Announced by
AS397315
Type
Business
Risk
0 / 100 · Low
Recent change
Reallocated Jul 30, 2026
to University Corporation for Atmospheric Research by Colorado State University

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
129.19.0.0/16
since Oct 2009
AS14041Business57
4 always on
Colorado State University

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
129.19.0.0/1665,536WESTNETColorado State University (CSU-2-Z) · USDirect AllocationJul 8, 1987dns.admin@colostate.edu
└ 129.19.128.0/1816,384FRGP-PARTICIPANT-ASSIGNMENTS-01University Corporation for Atmospheric Research (UCAR-1) · USReallocatedJul 30, 2026abuse@ucar.edu
└ 129.19.146.0/24256WESTNET-RMBLRocky Mountain Biological Laboratory (RMBL) (C11665211) · USReassignedJul 30, 2026abuse@ucar.edu
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

AnnouncementRouting historyRPKI & IRRWhois & abuse
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

AS397315

US
Name
Region 10 League for Economic Assistance and Planning, Inc.
Type
Business
Registered
Feb 12, 2019
Domain
region10.net
Industry
Government and Public Administration
Spamhaus ASN-DROP
not listed