91.141.110.136 is an IPv4 address, with approximate network location Vienna, Austria. Its reverse DNS name is 91.141.110.136.wireless.dyn.drei.com. As of November 14, 2026, IPDebrief rates it Low Risk (15/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Unknown |
| ASN | — |
| Network Name | — |
| CIDR Block | — |
| RIR | — |
| Network registration country | — |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 91.141.110.136.wireless.dyn.drei.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 91.141.110.136.wireless.dyn.drei.com |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Partial coverage: 1 conclusive IP DNS checks.
| caa | Not found at queried name com |
| spf | Not found at queried name 91.141.110.136.wireless.dyn.drei.com |
| dmarc | Not found at queried name _dmarc.91.141.110.136.wireless.dyn.drei.com |
| dnssec | Unknown / lookup inconclusive 136.110.141.91.in-addr.arpa |
| fcrDns | Present / verified 91.141.110.136.wireless.dyn.drei.com |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS25255 |
| Network Prefix | 91.141.0.0/17 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-11-05 12:39:08 UTC |
| Last Seen | 2026-11-05 12:39:08 UTC |
| Profile Built | 2026-11-14 08:09:29 UTC |
| Data Freshness | Fresh |
| Signal Types | 9 |
| Total Observations | 13 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 91.141.110.136
Where is 91.141.110.136 located?
Geolocation data places 91.141.110.136 in Vienna, State of Vienna, Austria. The local time zone is Europe/Vienna. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 91.141.110.136 malicious or safe?
91.141.110.136 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 91.141.110.136?
The reverse DNS (PTR) record for 91.141.110.136 is 91.141.110.136.wireless.dyn.drei.com. This hostname is forward-confirmed, meaning it resolves back to the same address.