LAYER3 INTEL
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Data as of Nov 10, 2026

77.237.149.0/24

No anonymizer space · no proxy exits in 30 days

CEZNET s.r.o.

Announcement
77.237.128.0/19
RPKI valid
Announced by
AS47493
Type
Residential
Risk
0 / 100 · Low

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
77.237.128.0/198,192CZ-CEZNET21-20070202CEZNET s.r.o. (ORG-TBS13-RIPE) · CZALLOCATED PAFeb 2, 2007dohled@ceznet.cz
└ 77.237.149.0/24256SUPPORTIT-NETSupportitASSIGNED PAFeb 15, 2007dohled@ceznet.cz
via CZ-CEZNET21-20070202

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 77.237.128.0/19

77.237.128.0/19

Routing history

Pattern
Stable
First seen
Feb 2007
Current origin since
Jun 2009 · 17 yr
Origin networks
3
Last change of origin
Jun 2009
Recorded history

History

Handoffs
2