86.1.129.12
86.1.129.12 is an IPv4 address operated by NTL - Virgin Media Limited, GB (AS5089), with approximate network location Sheffield, United Kingdom. Its reverse DNS name is 86-1-129-12.pon.virginmedia.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 | 86.1.128.0/20 |
| RIR | RIPE |
| Network registration country | GB |
| Routing operator | NTL - Virgin Media Limited, GB |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 86-1-129-12.pon.virginmedia.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 86-1-129-12.pon.virginmedia.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 | Present / verified virginmedia.net |
| spf | Unknown / lookup inconclusive 86-1-129-12.pon.virginmedia.net |
| dmarc | Unknown / lookup inconclusive _dmarc.86-1-129-12.pon.virginmedia.net |
| dnssec | Unknown / lookup inconclusive 12.129.1.86.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive 86-1-129-12.pon.virginmedia.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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS5089 |
| Network Prefix | 86.1.0.0/16 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-11-05 21:45:51 UTC |
| Last Seen | 2026-11-08 02:23:14 UTC |
| Profile Built | 2026-11-13 07:42:51 UTC |
| Data Freshness | Live |
| Signal Types | 13 |
| Total Observations | 19 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 86.1.129.12
Who owns the IP address 86.1.129.12?
86.1.129.12 is registered to AS5089-MNT. The address falls within the 86.1.128.0/20 network block. Registration is held at RIPE.
Where is 86.1.129.12 located?
Geolocation data places 86.1.129.12 in Sheffield, England, 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 86.1.129.12 malicious or safe?
86.1.129.12 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 86.1.129.12?
The reverse DNS (PTR) record for 86.1.129.12 is 86-1-129-12.pon.virginmedia.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.