91.143.104.52
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Long-established allocation (20y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 86 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- dccs.at
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 43200 s
- Reverse DNS last checked
- 2026-10-08 11:38 UTC
- Forward DNS last checked
- 2026-10-08 00:42 UTC
Forward DNS records for dccs.at
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 89.106.200.1 | — | 1800s |
| MX | d300253.a.ess.de.barracudanetworks.com | 1000 | — |
| MX | d300253.b.ess.de.barracudanetworks.com | 2000 | — |
| NS | ns10.digicertdns.com | — | — |
| NS | ns11.digicertdns.com | — | — |
| NS | ns12.digicertdns.com | — | — |
| NS | ns13.digicertdns.net | — | — |
| NS | ns14.digicertdns.net | — | — |
| NS | ns15.digicertdns.net | — | — |
| TXT | 5ggClpp02UTMyG1C7de6XtADp6drvIERBPnrc6K9Ytad84Kp3Y6veagGrn3qaDrlDaeGYNM06MjWNxVK1/1kzw== | — | — |
| TXT | MS=ms55200575 | — | — |
| TXT | MS=ms94072860 | — | — |
| TXT | cisco-ci-domain-verification=5358285b1355e4b9874dd9b24bd4e87df383c3c1552f378569b65ab08f190be4 | — | — |
| TXT | d365mktkey=6fm2lepvm8iqoxn3g71zbmx3u | — | — |
| TXT | google-site-verification=Ciia_m79hjDjP_IFpvzNC4UK8g1vq7OC7nlW-mi0e4Q | — | — |
| TXT | v=spf1 mx ip4:217.29.158.240 ip4:167.89.115.56/32 ip4:167.89.118.52/32 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all | — | — |
| CAA | issue letsencrypt.org | 128 | — |
| CAA | issue sectigo.com | 128 | — |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-04 UTC0
issued.live saw no domain resolving to this IP in its latest weekly snapshot.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Network Allocation for 91.143.104.52
- CIDR range
- 91.143.104.0/22
- IP range (int)
- 1,536,124,928 — 1,536,125,951
- Prefix length
- /22
- Organization
- Citycom Telekommunikation GmbH
- ASN
- AS29056
- ASN name
- Citycom Telekommunikation GmbH
- Location
- Graz, Styria, Austria
- Coordinates
- 47.069900, 15.446700
- Accuracy radius
- 10 km
- Postal code
- 8000
- Regional Internet Registry
- RIPE
- Allocated
- 2006-10-31
- Data source(s)
- maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
- Last updated
- 2026-10-07 08:45:44
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 91.143.104.52?
91.143.104.52 is allocated to Citycom Telekommunikation GmbH (AS29056), registered in Graz, Austria.
Where is 91.143.104.52 located?
The geolocation for 91.143.104.52 maps to Graz, Austria based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 91.143.104.52 on?
91.143.104.52 belongs to the 91.143.104.0/22 network block announced by AS29056. This range contains 1,024 addresses.
Does 91.143.104.52 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
