Data as of Nov 10, 2026
77.75.23.0/28
No anonymizer space · no proxy exits in 30 daysCitycom Telekommunikation GmbH · space held by SysUP IT GmbH & Co KG
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@ |
| └ 77.75.23.0/28 | 16 | S-R-E-Infra01 | SysUP IT GmbH & Co KG (ORG-SHUH1-RIPE) · AT | ASSIGNED PA | Oct 11, 2010 | abuse@ |
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
Routing timeline
Who has announced 77.75.23.0/24
77.75.23.0/24
Routing history
- Pattern
- Stable
- First seen
- Oct 2010
- Current origin since
- Oct 2010 · 16 yr
- Origin networks
- 1
IRR
Route objects on 77.75.23.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS29056 | RIPE | SysUP OG | CITYCOM-AT-MNT | Feb 5, 2026 |
Whois
Registration for this announcement
- Range
- 77.
75. 16. 0/ 21 - Netname
- AT-SYSUP-20070502
- Registrant
- SysUP IT GmbH & Co KG
- Registrant country
- AT
- Organization
- SysUP IT GmbH & Co KG (ORG-SHUH1-RIPE)
- Org country
- AT
- Type
- ALLOCATED PA
- Created
- May 2, 2007
- Updated
- Oct 21, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- AT
- Delegated
- May 2, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
sysup. at - Name
- SysUP Abuse
- Handle
- SA30742-RIPE