Data as of Nov 14, 2026

38.172.210.0/24

No anonymizer space · no proxy exits in 30 days

F. dos S. Dourado · space held by Cogent Communications, LLC

Announcement

this exact prefix

No RPKI

Announced by

Type

Residential

Risk

30 / 100 · Medium

Recently moved

Recent change

New origin Jun 2026

from AS174 Cogent Communications, LLC, after 1.8 years unannounced

Announcements

Less specific

Prefix	Origin	Type	Leased from	Proxy exits	Holder
38.172.210.0/23 since Jun 2026	AS264494	Residential			Cogent Communications, LLC
38.172.208.0/22 since Jun 2026	AS264494	Residential			Cogent Communications, LLC
38.0.0.0/8	AS174	Internet provider	IP broker Rackdog (part)	397,758 74,175 always on	Cogent Communications, LLC

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
└ 38.172.208.0/22	1,024	UNIPONTE-CGNT-NET-1	UNIPONTE PROVEDOR DE INTERNET LTDA (Connect-Up Provedor) (C11633716) · BR	Reassigned	Jun 25, 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.

Routing timeline

Summary

Recorded history