Data as of Nov 8, 2026
37.143.188.0/24
No anonymizer space · no proxy exits in 30 daysCitycom Telekommunikation GmbH
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 |
|---|---|---|---|---|---|---|
| 37.143.176.0/20 | 4,096 | AT-GSTW-20120305 | Citycom Telekommunikation GmbH (ORG-GSA1-RIPE) · AT | ALLOCATED PA | Mar 5, 2012 | abuse@ |
| └ 37.143.188.0/29 | 8 | CCCOM_ | c.c.com Moser GmbH | ASSIGNED PA | Jan 14, 2021 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.8/29 | 8 | CONVEX-AMKATZB7-AT-NET-01 | convex ZT GmbH | ASSIGNED PA | Aug 29, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.16/29 | 8 | DLZ-LEOBEN-AT-NET-01 | Dienstleistungszentrum Leoben GmbH | ASSIGNED PA | Jul 10, 2024 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.24/29 | 8 | ZARG-GMBH-AT-NET-01 | Zentrum für ambulante Rehabilitation GmbH | ASSIGNED PA | May 7, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.32/29 | 8 | INFINA-AT-NET-01 | Jakob Thier | ASSIGNED PA | Dec 9, 2021 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.40/29 | 8 | KNITTELFELDER-AT-NET-01 | Knittelfelder Peter | ASSIGNED PA | Sep 17, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.48/29 | 8 | KOANIT_ | koanit gmbh | ASSIGNED PA | Sep 18, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.80/29 | 8 | AMERICAN-MOTORS-AT-NET-01 | American Motors Graz GmbH | ASSIGNED PA | Oct 14, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.88/29 | 8 | WERNER_ | werner consult ziviltechniker gmbh | ASSIGNED PA | Mar 6, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.96/29 | 8 | SAIERKOV-DKSTR4-AT-NET-01 | Saier + Kovac Planungs GmbH | ASSIGNED PA | Nov 18, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.104/29 | 8 | TECHZ-TOBELBAD-AT-NET-01 | Technologie, Innovations- und Gewerbezentrum Tobelbad GmbH pA Josef Kurt Mair | ASSIGNED PA | Nov 28, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.112/29 | 8 | APOMEDICA_ | APOMEDICA Pharmazeutische Produkte GmbH | ASSIGNED PA | Dec 9, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.120/29 | 8 | UMJ_ | Universalmuseum Joanneum GmbH | ASSIGNED PA | Dec 19, 2019 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.136/29 | 8 | DOPPELPUNKT-AT-NET-01 | Doppelpunkt PR-und Kommunikationsberatung GmbH | ASSIGNED PA | Jan 28, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.152/29 | 8 | SK-STURM-SALES-AT-NET-01 | SK Sturm Wirtschaftsbetriebe GmbH | ASSIGNED PA | Mar 13, 2025 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.160/29 | 8 | GROSSAUER-AT-NET-01 | Grossauer Schlossberg Gastronomie GmbH | ASSIGNED PA | Feb 20, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.168/29 | 8 | HUMAN-TECHNOLOGY-AT-NET-01 | Human.technology Styria GmbH | ASSIGNED PA | Feb 28, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.176/29 | 8 | ITG-ALBERT36-AT-NET-01 | ITG Informationstechnik Graz GmbH | ASSIGNED PA | Feb 24, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.184/29 | 8 | ARMENGAUD-INNOVA-AT-NET-01 | Armengaud Innovate GmbH | ASSIGNED PA | Jan 30, 2025 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.192/29 | 8 | SYN-RO-IMMOBILIE-AT-NET-01 | Syn-Ro Immobilienentwicklung und -verwaltung GmbH | ASSIGNED PA | May 14, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.200/29 | 8 | CARITAS-DIOZESE-AT-NET-01 | Caritas der Diözese Graz Seckau | ASSIGNED PA | Jun 16, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.216/29 | 8 | ANKER-MOSERH19-AT-NET-01 | Anker Datentechnik Ges. m. b. H | ASSIGNED PA | Jun 24, 2020 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.224/29 | 8 | CTP_ | BAMACO GmbH EDV Dienstleistungen für Unternehmen | ASSIGNED PA | Feb 7, 2025 | abuse@ via AT-GSTW-20120305 |
| └ 37.143.188.240/29 | 8 | EISENBERGER-AT-NET-01 | Eisenberger Beteiligungs GmbH | ASSIGNED PA | Jul 9, 2020 | abuse@ via AT-GSTW-20120305 |
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 37.143.176.0/20
- Prefix
- 37.143.176.0/20
- Announced by
- AS29056 Citycom Telekommunikation GmbH
- Type
- Business
- RPKI
- RPKI valid
- Netname
- AT-GSTW-20120305
- Registrant
- Citycom Telekommunikation GmbH
- 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 37.143.176.0/20
37.143.176.0/20
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.143.176.0/20 | AS29056 | /24 | RIPE | RPKI valid |
IRR
Route objects on 37.143.176.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS29056 | RIPE | Citycom Telekommunikation GmbH | CITYCOM-AT-MNT | Feb 5, 2026 |
Whois
Registration for this announcement
- Range
- 37.
143. 176. 0/ 20 - Netname
- AT-GSTW-20120305
- Registrant
- Citycom Telekommunikation GmbH
- Registrant country
- AT
- Organization
- Citycom Telekommunikation GmbH (ORG-GSA1-RIPE)
- Org country
- AT
- Type
- ALLOCATED PA
- Created
- Mar 5, 2012
- Updated
- Feb 12, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- AT
- Delegated
- Mar 5, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
grazkom. at - Name
- Citycom Telekommunikation RIPE team
- Handle
- CA5459-RIPE