Data as of Nov 9, 2026

204.9.171.0/24

No anonymizer space · no proxy exits in 30 days

USC / UFMG PEERING Research Testbed · space held by Cornell University

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Recent change

New origin Aug 2026

from AS47065 USC / UFMG PEERING Research Testbed, after 7.6 years unannounced

Network & registry

Origin network

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

IRR

Origin	Registry	Description	Maintainer	Modified
AS33207 not the origin	RADB	Columbia/UFMG PEERING Research Testbed	MAINT-PEERT	Apr 27, 2024
AS47065	RADB	Columbia/UFMG PEERING Research Testbed	MAINT-PEERT	Apr 30, 2024
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