Data as of Nov 5, 2026

77.75.23.88/29

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
77.75.16.0/212,048AT-SYSUP-20070502SysUP IT GmbH & Co KG (ORG-SHUH1-RIPE) · ATALLOCATED PAMay 2, 2007abuse@sysup.at
└ 77.75.23.88/298S-O-E-PENTESTSysUP IT GmbH & Co KGASSIGNED PAOct 21, 2025abuse@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.

Network & registry

Announced by

Covering announcement 77.75.23.0/24

Prefix
77.75.23.0/24
Announced by
AS29056 Citycom Telekommunikation GmbH
Type
Unknown
RPKI
No RPKI
Netname
AT-SYSUP-20070502
Registrant
SysUP IT GmbH & Co KG
RIR
RIPE NCC
Origin network

AS29056

AT
Name
Citycom Telekommunikation GmbH
Type
Internet provider
Registered
May 21, 2003
Domain
citycom-austria.com
Website
www.citycom-austria.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed