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Data as of Nov 10, 2026

149.78.188.0/22

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
149.78.0.0/16
No RPKI
Announced by
AS174
Type
Hosting
75% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
149.78.188.0/23
since Jul 2026
AS272022BusinessCogent Communications, LLC
149.78.188.0/24
since Aug 2023
AS272022BusinessCogent Communications, LLC
149.78.189.0/24
since Aug 2023
AS272022BusinessCogent Communications, LLC
149.78.191.0/24
since Oct 2022
AS272022BusinessCogent Communications, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
149.78.0.0/1665,536COGENT-149-78-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992abuse@cogentco.com
└ 149.78.188.0/221,024GUIGO-CGNT-NET-2Guigo do Brasil marketing LTDA (C11492156) · BRReassignedJan 28, 2026abuse@cogentco.com
via COGENT-149-78-16

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Hosting76875%3
Internet provider25625%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 149.78.0.0/16

149.78.0.0/16

Routing history

Pattern
Stable
First seen
Sep 2006
Current origin since
Oct 2020 · 6.1 yr
Origin networks
2
Last change of origin
Oct 2020
Recorded history

History

Handoffs
2