IPDebrief

27.109.164.156

IP Intelligence Dossier
Your IP: 216.73.216.142

27.109.164.156 is an IPv4 address operated by Companhia de Telecomunicacoes de Macau (AS4609), geolocated to Macao, Macao SAR China. It belongs to a residential connection with reverse DNS name nz164l156.bb27109.ctm.net. As of October 18, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.

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🌍 Geolocation

Country🇲🇴 Macao SAR China
Region—
CityMacao
Timezone—
Latitude22.16
Longitude113.56

🏢 Ownership & Registration

OrganizationCompanhia de Telecomunicacoes de Macau
ASNAS4609
Network NameCTM-AS-AP
CIDR Block27.109.128.0/17
RIRAPNIC
CountryMO
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTRnz164l156.bb27109.ctm.net
Forward ConfirmedYes — FCrDNS verified
Forward Hostnamesnz164l156.bb27109.ctm.net

🔐 DNS Hygiene

Hygiene Score40% (Fair)
SPFPresent
DMARCNot configured
FCrDNSVerified
DNSSECNot signed
CAANot configured

☁️ Network Classification

InfrastructureResidential
Service PurposeResidential Endpoint
Network TierEnd-User — Residential ISP endpoint
Residential

🔌 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 ASNAS4609
Network Prefix27.109.160.0/19
Route mappingFound

📅 Observation Timeline 🔄 Live

First Seen2026-10-06 03:53:22 UTC
Last Seen2026-10-18 11:30:27 UTC
Profile Built2026-10-18 11:42:10 UTC
Data FreshnessLive
Signal Types15
Total Observations41
🔍 15 signal types · 41 observations collected
This report is generated from 15+ 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.
{ } JSON API 📧 Enterprise Access

❓ Frequently Asked Questions About 27.109.164.156

Who owns the IP address 27.109.164.156?

27.109.164.156 is registered to Companhia de Telecomunicacoes de Macau. The address falls within the 27.109.128.0/17 network block. Registration is held at APNIC.

Where is 27.109.164.156 located?

Geolocation data places 27.109.164.156 in Macao. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 27.109.164.156 malicious or safe?

27.109.164.156 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.

What is the hostname for 27.109.164.156?

The reverse DNS (PTR) record for 27.109.164.156 is nz164l156.bb27109.ctm.net. This hostname is forward-confirmed, meaning it resolves back to the same address.

Is 27.109.164.156 a VPN, proxy, or data center address?

27.109.164.156 is classified as a residential network based on network ownership and behavioural analysis.

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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.