91.54.231.103
91.54.231.103 is an IPv4 address operated by DTAG-NIC (AS3320), geolocated to Bad Liebenstein, Germany. It belongs to a mobile network with reverse DNS name p5b36e767.dip0.t-ipconnect.de. As of November 6, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.
The IP address 91.54.231.103 was attributed to ASN 3320 (DTAG-NIC) within the DTAG-DIAL23 network block. Geolocation data placed the endpoint in Bad Salzungen, Thuringia, Germany. Reputation metrics indicated a Low Risk status with a risk score of 25. Threat feeds returned no matches for known campaigns or attacker signatures.
Network role analysis classified the traffic as mobile, specifically via Telekom Deutsche Telekom AG on LTE/5G technology. DNS resolution confirmed the PTR hostname p5b36e767.dip0.t-ipconnect.de. No open ports, services, or TLS certificates were observed on the connection. The IP was not flagged as a proxy, Tor exit node, or CDN endpoint.
SOC analysts noted the absence of blacklisting across scanned feeds. The connection type was identified as firewalled with no active services.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | DTAG-NIC |
| ASN | AS3320 |
| Network Name | DTAG-DIAL23 |
| CIDR Block | 91.32.0.0/11 |
| RIR | RIPE |
| Country | DE |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | p5b36e767.dip0.t-ipconnect.de |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | p5b36e767.dip0.t-ipconnect.de |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS3320 |
| Network Prefix | 91.0.0.0/10 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 17% | 2 | 3 |
| reputation | 23% | 1 | 4 |
| geolocation | 17% | 2 | 3 |
| Overall | 17% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-14 15:51:35 UTC |
| Last Seen | 2026-11-06 20:35:19 UTC |
| Profile Built | 2026-11-06 20:36:58 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 91.54.231.103
Who owns the IP address 91.54.231.103?
91.54.231.103 is registered to DTAG-NIC. The address falls within the 91.32.0.0/11 network block. Registration is held at RIPE.
Where is 91.54.231.103 located?
Geolocation data places 91.54.231.103 in Bad Liebenstein, TH, Germany. The local time zone is Europe/Berlin. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 91.54.231.103 malicious or safe?
91.54.231.103 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 91.54.231.103?
The reverse DNS (PTR) record for 91.54.231.103 is p5b36e767.dip0.t-ipconnect.de. This hostname is forward-confirmed, meaning it resolves back to the same address.
Is 91.54.231.103 a VPN, proxy, or data center address?
91.54.231.103 is classified as a mobile network based on network ownership and behavioural analysis.