Data as of Nov 14, 2026

38.183.90.0/24

1 residential-proxy exit · 30 days

Master Fibra Telecom · space held by Cogent Communications, LLC

Announcement

this exact prefix

No RPKI

Announced by

AS274594

Type

Residential

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 15, 2026 – Nov 13, 2026

Exits seen per day

14 observations

Proxy providers listing exits

9Proxy
HideProxy
InfiniteProxies
LudaxProxy
ProxiesVision
ProxyGeo
SPYDERPROXY_BASIC
VantageProxies
ZENPROXY_PREMIUM

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Leased from	Proxy exits	Holder	RPKI
38.0.0.0/8	AS174	Internet provider	IP broker Rackdog (part)	397,758 74,175 always on	Cogent Communications, 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
38.0.0.0/8	16,777,216	COGENT-A	Cogent Communications, LLC (COGC) · US	Direct Allocation	Apr 16, 1991	abuse@cogentco.com
└ 38.183.90.0/24	256	MASTER-FIBRA-TELECOM-CGNT-NET-1	BHT Telecomunicacoes LTDA / Master Fibra Telecom (C11623396) · BR	Reassigned	Jun 16, 2026	abuse@cogentco.com via COGENT-A

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

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Rotating
First seen: Nov 2023
Current origin since: Aug 2024 · 2.2 yr
Origin networks: 2
Last change of origin: Aug 2024

Recorded history

History

Handoffs: 1