83.88.12.137
83.88.12.137 is an IPv4 address operated by TDC - TDC Holding A/S, DK (AS3292), with approximate network location Greve, Denmark. Its reverse DNS name is ae0-0.arcnqp8.dk.ip.tdc.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | AS3292-MNT |
| ASN | AS3292 |
| Network Name | TELEDANMARK-IPNET |
| CIDR Block | 83.88.0.0/20 |
| RIR | RIPE |
| Network registration country | DK |
| Routing operator | TDC - TDC Holding A/S, DK |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ae0-0.arcnqp8.dk.ip.tdc.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ae0-0.arcnqp8.dk.ip.tdc.net |
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.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not found at queried name net |
| spf | Unknown / lookup inconclusive ae0-0.arcnqp8.dk.ip.tdc.net |
| dmarc | Unknown / lookup inconclusive _dmarc.ae0-0.arcnqp8.dk.ip.tdc.net |
| dnssec | Unknown / lookup inconclusive 137.12.88.83.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive ae0-0.arcnqp8.dk.ip.tdc.net |
☁️ 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 | |||
| 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 | AS3292 |
| Network Prefix | 83.88.0.0/14 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 50% | 2 | 3 |
| Overall | 30% | 8 | 10 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-23 21:55:28 UTC |
| Last Seen | 2026-11-07 16:42:30 UTC |
| Profile Built | 2026-11-13 09:16:41 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 27 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 83.88.12.137
Who owns the IP address 83.88.12.137?
83.88.12.137 is registered to AS3292-MNT. The address falls within the 83.88.0.0/20 network block. Registration is held at RIPE.
Where is 83.88.12.137 located?
Geolocation data places 83.88.12.137 in Greve, Zealand, Denmark. The local time zone is Europe/Copenhagen. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 83.88.12.137 malicious or safe?
83.88.12.137 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 83.88.12.137?
The reverse DNS (PTR) record for 83.88.12.137 is ae0-0.arcnqp8.dk.ip.tdc.net. This hostname is forward-confirmed, meaning it resolves back to the same address.