81.100.80.254 is an IPv4 address operated by NTL - Virgin Media Limited, GB (AS5089), with approximate network location Dundee, United Kingdom. Its reverse DNS name is dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | AS5089-MNT |
| ASN | AS5089 |
| Network Name | VMCBBUK |
| CIDR Block | 81.100.80.0/20 |
| RIR | RIPE |
| Network registration country | GB |
| Routing operator | NTL - Virgin Media Limited, GB |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.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 dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.net |
| dmarc | Unknown / lookup inconclusive _dmarc.dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.net |
| dnssec | Unknown / lookup inconclusive 254.80.100.81.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.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 | AS5089 |
| Network Prefix | 81.100.0.0/15 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 18:29:08 UTC |
| Last Seen | 2026-11-08 01:48:27 UTC |
| Profile Built | 2026-11-13 08:05:57 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 81.100.80.254
Who owns the IP address 81.100.80.254?
81.100.80.254 is registered to AS5089-MNT. The address falls within the 81.100.80.0/20 network block. Registration is held at RIPE.
Where is 81.100.80.254 located?
Geolocation data places 81.100.80.254 in Dundee, Scotland, United Kingdom. The local time zone is Europe/London. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 81.100.80.254 malicious or safe?
81.100.80.254 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 81.100.80.254?
The reverse DNS (PTR) record for 81.100.80.254 is dund-17-b2-v4wan-169666-cust253.vm6.cable.virginm.net. This hostname is forward-confirmed, meaning it resolves back to the same address.