IPDebrief

91.189.91.104

IP Intelligence Dossier
Your IP: 216.73.216.142

91.189.91.104 is an IPv4 address, geolocated to Boston, United States. Its reverse DNS name is ubuntu-ports-mirror-3.ps6.canonical.com. As of November 6, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

{ } JSON

🌍 Geolocation

Country🇺🇸 United States
RegionMA
CityBoston
TimezoneAmerica/New_York
Latitude42.36
Longitude-71.06

🏢 Ownership & Registration

OrganizationUnknown
ASN—
Network Name—
CIDR Block—
RIR—
Country—
Abuse Contact—

🌐 DNS Intelligence

PTRubuntu-ports-mirror-3.ps6.canonical.com
Forward ConfirmedYes — FCrDNS verified
Forward Hostnamesubuntu-ports-mirror-3.ps6.canonical.com

🔐 DNS Hygiene

Hygiene Score80% (Excellent)
SPFPresent
DMARCPresent
FCrDNSVerified
DNSSECNot signed
CAAPresent

☁️ Network Classification

InfrastructureUnknown
Service PurposeWeb Server
Network TierUnknown — Insufficient routing data to classify
No specific classification

🔌 Services & Open Ports

PortServiceProtocolBanner
80httptcp—
443httpstcp—
Closed Ports22, 25, 3389, 8080, 8443 (2 open / 7 scanned)
ServerWeb server detected
HTTP Title—

🔐 TLS Certificate

🔒
CN=ports.ubuntu.com
Issued by CN=YR2, O=Let's Encrypt, C=US
Self-signed: No
SANs*.ports.ubuntu.comports.ubuntu.com
Valid From2026-10-18T22:17:33+00:00
Valid Until2027-01-16T22:17:32+00:00
TLS ProtocolTls13
Cipher SuiteTLS_AES_256_GCM_SHA384
Signature Algorithmsha256RSA
Validity Period89 days

🛡️ Public Network Snapshot

Origin ASNAS41231
Network Prefix91.189.91.0/24
Route mappingFound
HSTSNot detected
CSPNot detected
HTTP/2Not detected

📅 Observation Timeline 🔄 Live

First Seen2026-11-01 14:10:08 UTC
Last Seen2026-11-06 01:36:57 UTC
Profile Built2026-11-06 01:38:52 UTC
Data FreshnessLive
Signal Types11
Total Observations12
🔍 11 signal types · 12 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.
{ } JSON API 📧 Enterprise Access

❓ Frequently Asked Questions About 91.189.91.104

Where is 91.189.91.104 located?

Geolocation data places 91.189.91.104 in Boston, MA, United States. The local time zone is America/New_York. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 91.189.91.104 malicious or safe?

91.189.91.104 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 91.189.91.104?

The reverse DNS (PTR) record for 91.189.91.104 is ubuntu-ports-mirror-3.ps6.canonical.com. This hostname is forward-confirmed, meaning it resolves back to the same address.

What ports are open on 91.189.91.104?

Responsive ports observed on 91.189.91.104 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.

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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.