Data as of Nov 11, 2026

194.77.136.0/21

No anonymizer space · no proxy exits in 30 days

GTT Communications Inc.

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
>99% of it

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
194.77.134.0 - 194.77.144.2552,816US-GTTCOMMUNICATIONS-19951016GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 31, 2021abuse@gtt.net
└ 194.77.138.144/298CPL-NETCPL UnternehmensberatungASSIGNED PAAug 14, 2015abuse@gtt.net
via US-GTTCOMMUNICATIONS-19951016
└ 194.77.138.176/298CFD-NETCFDnetwork GmbHASSIGNED PAAug 14, 2015abuse@gtt.net
via US-GTTCOMMUNICATIONS-19951016
└ 194.77.141.0/25128PRODOT-GTTNetz prodot GmbHASSIGNED PAFeb 18, 2013abuse@gtt.net
via US-GTTCOMMUNICATIONS-19951016

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

2,048 addresses
TypeAddressesShareRanges
Internet provider2,032>99%3
Business160.78%2

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Jun 2017
Current origin since
Oct 2023 · 3.1 yr
Origin networks
2
Last change of origin
Oct 2023
Recorded history

History

Handoffs
1