Data as of Nov 11, 2026

83.136.33.0/24

No anonymizer space · no proxy exits in 30 days

nic.at GmbH

Announcement

RPKI valid

Announced by

Type

Business

Risk

0 / 100 · Low

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
83.136.32.0/21	2,048	AT-NICAT-20040115	nic.at GmbH (ORG-NIBU1-RIPE) · AT	ALLOCATED PA	Jan 15, 2004	reports@cert.at
└ 83.136.33.0/27	32	NICAT-KARLSPLATZ-NET	nic.at Karlsplatz office network	ASSIGNED PA	Apr 13, 2004	reports@cert.at via AT-NICAT-20040115
└ 83.136.33.32/29	8	NICAT-NETWORK-CERTAT	Network Infrastructure	ASSIGNED PA	May 26, 2015	reports@cert.at via AT-NICAT-20040115
└ 83.136.33.224/27	32	NICAT-NETWORK-SBG	Network Infrastructure	ASSIGNED PA	May 26, 2015	reports@cert.at via AT-NICAT-20040115

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

83.136.32.0/21

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
83.136.32.0/21	AS30971	/24	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS30971	RIPE	Provider Local Registry Block	NICAT-MNT	Aug 24, 2023