IPDebrief

81.159.105.140

IP Intelligence Dossier
Your IP: 216.73.216.157
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🌍 Geolocation

Country🇬🇧 United Kingdom
RegionEngland
CitySouthampton
TimezoneEurope/London
Latitude50.94
Longitude-1.43

🏢 Ownership & Registration

OrganizationBT CENTRAL PLUS - OPERATIONAL SUPPORT
ASNAS2856
Network NameBT-CENTRAL-PLUS
CIDR Block81.159.0.0/16
RIRRIPE
CountryGB
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRhost81-159-105-140.range81-159.btcentralplus.com
Forward ConfirmedYes — FCrDNS verified
Forward Hostnameshost81-159-105-140.range81-159.btcentralplus.com

🔐 DNS Hygiene

Hygiene Score20% (Poor)
SPFNot configured
DMARCNot configured
FCrDNSVerified
DNSSECNot signed
CAANot configured

☁️ Network Classification

InfrastructureUnknown
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
No specific classification

🔌 Services & Open Ports

PortServiceProtocolBanner
No open ports detected
Server—
HTTP Title—

🔐 TLS Certificate

🔒
No certificate
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS2856
Network Prefix81.128.0.0/11
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-10-04 04:54:28 UTC
Last Seen2026-10-04 04:54:28 UTC
Profile Built2026-10-04 04:59:42 UTC
Data FreshnessLive
Signal Types12
Total Observations12
🔍 12 signal types · 12 observations collected
This report is generated from 12+ independent intelligence signals including ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds, behavioral fingerprinting, and more.
Full dossier details are available via our API.
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❓ Frequently Asked Questions About 81.159.105.140

Who owns the IP address 81.159.105.140?

81.159.105.140 is registered to BT CENTRAL PLUS - OPERATIONAL SUPPORT. The address falls within the 81.159.0.0/16 network block. Registration is held at RIPE.

Where is 81.159.105.140 located?

Geolocation data places 81.159.105.140 in Southampton, England, United Kingdom. The local time zone is Europe/London. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 81.159.105.140 malicious or safe?

81.159.105.140 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.

What is the hostname for 81.159.105.140?

The reverse DNS (PTR) record for 81.159.105.140 is host81-159-105-140.range81-159.btcentralplus.com. This hostname is forward-confirmed, meaning it resolves back to the same address.

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ℹ️ About This Report

All data shown is publicly available network metadata — IP addresses do not reliably identify individuals. Assessments are probabilistic and should not be used as sole basis for access control decisions. To report an issue or request data review, contact admin@ipdebrief.com.