Data as of Nov 9, 2026
184.164.251.0/24
No anonymizer space · no proxy exits in 30 daysUSC / UFMG PEERING Research Testbed
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 28, 2026
from AS47065 USC / UFMG PEERING Research Testbed
Network & registry
Origin network
AS47065
US
- Name
- USC / UFMG PEERING Research Testbed
- Type
- Education
- Registered
- Jun 16, 2009
- Domain
- columbia.edu
- Website
- peering.ee.columbia.edu
- Industry
- Human Rights and Social Advocacy (Human Rights, Environment and Wildlife Conservation, Other)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
latest 12 of 23 stints
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2011
- Current origin since
- Sep 28, 2026 · 1 mo
- Origin networks
- 6
- Last change of origin
- Feb 2018
Recorded history
History
- Stints on record
- 23
- Handoffs
- 10
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33207 not the origin | RADB | Columbia/UFMG PEERING Research Testbed | MAINT-PEERT | Apr 27, 2024 |
| AS47065 | NTTCOM | LOS-NETTOS | MAINT-AS226 | Mar 23, 2013 |
| AS47065 | RADB | USC/UFMG PEERING Research Testbed | MAINT-AS1916 | Nov 13, 2023 |
| AS47065 | ARIN | Columbia/UFMG PEERING Research Testbed | MNT-UUPRT | Feb 12, 2021 |
| AS61574 not the origin | RADB | Columbia/UFMG PEERING Research Testbed | MAINT-PEERT | Apr 26, 2024 |
| AS61575 not the origin | RADB | Columbia/UFMG PEERING Research Testbed | MAINT-PEERT | Apr 26, 2024 |
| AS61576 not the origin | RADB | Columbia/UFMG PEERING Research Testbed | MAINT-PEERT | Apr 26, 2024 |
Whois
Registration for this announcement
- Range
- 184.
164. 224. 0/ 19 - Netname
- PEERING-RESEARCH-TESTBED-USC-UFMG
- Registrant
- USC / UFMG PEERING Research Testbed
- Organization
- USC / UFMG PEERING Research Testbed (UUPRT)
- Org address
- Columbia/UFMG PEERING Research Testbed, New York, NY, 10027
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-184-164-224-0-1
- Parent
- NET-184-0-0-0-0
- Created
- Jun 2, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 2, 2011
- Status
- assigned
Report abuse
Abuse contact
- noc@
peering. ee. columbia. edu - Name
- PEERING Testbed Network Coordination Center
- Phone
- +1-860-751-8017
- Handle
- PTNCC-ARIN