81.135.97.167 is an IPv4 address operated by BT-UK-AS - British Telecommunications Limited, GB (AS2856), with approximate network location City of Westminster, United Kingdom. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | BT CENTRAL PLUS - OPERATIONAL SUPPORT |
| ASN | AS2856 |
| Network Name | BT-CENTRAL-PLUS |
| CIDR Block | 81.135.0.0/17 |
| RIR | RIPE |
| Network registration country | GB |
| Routing operator | BT-UK-AS - British Telecommunications Limited, GB |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
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 com |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 167.97.135.81.in-addr.arpa |
| fcrDns | Not checked |
☁️ 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 | AS2856 |
| Network Prefix | 81.128.0.0/12 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-11-05 17:17:13 UTC |
| Last Seen | 2026-11-11 21:07:49 UTC |
| Profile Built | 2026-11-14 06:51:05 UTC |
| Data Freshness | Recent |
| Signal Types | 16 |
| Total Observations | 20 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 81.135.97.167
Who owns the IP address 81.135.97.167?
81.135.97.167 is registered to BT CENTRAL PLUS - OPERATIONAL SUPPORT. The address falls within the 81.135.0.0/17 network block. Registration is held at RIPE.
Where is 81.135.97.167 located?
Geolocation data places 81.135.97.167 in City of Westminster, 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 81.135.97.167 malicious or safe?
81.135.97.167 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.