Data as of Nov 11, 2026

77.75.23.72/30

No anonymizer space · no proxy exits in 30 days

Citycom Telekommunikation GmbH · space held by SysUP IT GmbH & Co KG

Announcement

No RPKI

Announced by

Type

Unknown

Risk

40 / 100 · Medium

Leased space

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
77.75.16.0/21	2,048	AT-SYSUP-20070502	SysUP IT GmbH & Co KG (ORG-SHUH1-RIPE) · AT	ALLOCATED PA	May 2, 2007	abuse@sysup.at
└ 77.75.23.72/30	4	S-O-E-Mail	SysUP IT GmbH & Co KG	ASSIGNED PA	Oct 21, 2025	abuse@sysup.at via AT-SYSUP-20070502

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

77.75.23.0/24