IPDebrief

217.155.181.231

IP Intelligence Dossier
Your IP: 216.73.217.11
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🌍 Geolocation

Country🇬🇧 United Kingdom
RegionEngland
CitySheffield
TimezoneEurope/London
Latitude53.39
Longitude-1.41

🏢 Ownership & Registration

OrganizationZen Internet Ltd
ASNAS13037
Network NameUK-ZEN-20020703
CIDR Block217.155.0.0/16
RIRRIPE
CountryGB
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR217-155-181-231.dsl.in-addr.zen.co.uk
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)
Forward Hostnames217-155-181-231.dsl.in-addr.zen.co.uk

🔐 DNS Hygiene

Hygiene Score0% (None)
SPFNot configured
DMARCNot configured
FCrDNSNot verified
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 ASNAS13037
Network Prefix217.155.0.0/16
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-11-02 14:23:02 UTC
Last Seen2026-11-02 14:23:02 UTC
Profile Built2026-11-02 14:35:16 UTC
Data FreshnessLive
Signal Types11
Total Observations11
🔍 11 signal types · 11 observations collected
This report is generated from 11+ 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 217.155.181.231

Who owns the IP address 217.155.181.231?

217.155.181.231 is registered to Zen Internet Ltd. The address falls within the 217.155.0.0/16 network block. Registration is held at RIPE.

Where is 217.155.181.231 located?

Geolocation data places 217.155.181.231 in Sheffield, 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 217.155.181.231 malicious or safe?

217.155.181.231 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 217.155.181.231?

The reverse DNS (PTR) record for 217.155.181.231 is 217-155-181-231.dsl.in-addr.zen.co.uk. This hostname is not forward-confirmed, so it should be treated as a weak signal.

🏘️ Related IP Addresses

Browse related networks

All addresses in AS13037🇬🇧 United KingdomNetwork directory

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.