IPDebrief

166.140.234.203

IP Intelligence Dossier
Your IP: 216.73.217.75

166.140.234.203 is an IPv4 address operated by CELLCO-PART - Verizon Business, US (AS6167), with approximate network location Chino Hills, United States. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (30/100); no anonymizing service was detected.

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🌍 Geolocation

Country🇺🇸 United States
Location scopeApproximate network location. Distributed and anycast services can vary by observation point.
Anycast classificationUnverified (not proof of unicast)
RegionCalifornia
CityChino Hills
Timezone—
Latitude33.99
Longitude-117.76

🏢 Ownership & Registration

Registered holderVerizon Business
ASNAS6167
Network NameMCICS
CIDR Block166.139.0.0/16
RIRARIN
Network registration countryUnited States
Routing operatorCELLCO-PART - Verizon Business, US
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR RecordNo PTR
Forward ConfirmedNo — 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.

caaNot checked
spfNot checked
dmarcNot checked
dnssecNot checked
fcrDnsNot checked

☁️ Network Classification

InfrastructureResidential
Service PurposeWeb Server
Network TierEnd-User — Residential ISP endpoint
MobileResidential

🔌 Services & Open Ports

PortServiceProtocolBanner
80httptcp—
443httpstcp—
22sshtcpBanner detected
8080http-alttcp—
Closed Ports25, 3389, 8443 (4 open / 7 scanned)
Server—
HTTP Title—
⚠ Unusual for residential — open services on a home connection may indicate self-hosting, compromise, or misconfigured networking equipment.

🔐 TLS Certificate

🔒
No certificate captured; current certificate unknown
Issued by —
N/A
SANsNone
Valid From—
Valid Until—

🛡️ Public Network Snapshot

Origin ASNAS6167
Network Prefix166.140.128.0/17
Route mappingFound

🎯 Confidence Breakdown

Per-dimension confidence scores based on source diversity and data freshness

DimensionScoreSourcesObservations
threat
28%
23
routing
8%
11
services
17%
23
ownership
17%
23
reputation
8%
12
geolocation
12%
22
Overall15%1014
Coverage: 6/6 dimensions · Data sufficiency: sufficient
Data CoherenceMostly Consistent (82%) — 1 contradiction(s)
AttributionVery Low (20%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid
⚠ Classified as residential but has 4 open ports

📅 Observation Timeline 🔄 Aging

First Seen2026-07-03 10:48:49 UTC
Last Seen2026-10-28 07:58:54 UTC
Profile Built2026-11-14 03:45:27 UTC
Data FreshnessAging
Signal Types20
Total Observations21
🔍 20 signal types · 21 observations collected
This report is generated from 20+ 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 166.140.234.203

Who owns the IP address 166.140.234.203?

166.140.234.203 is registered to Verizon Business. The address falls within the 166.139.0.0/16 network block. Registration is held at ARIN.

Where is 166.140.234.203 located?

Geolocation data places 166.140.234.203 in Chino Hills, California, United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.

Is 166.140.234.203 malicious or safe?

166.140.234.203 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 ports are open on 166.140.234.203?

Responsive ports observed on 166.140.234.203 include 80, 443, 22, 8080. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.

Is 166.140.234.203 a VPN, proxy, or data center address?

166.140.234.203 is classified as a mobile network and 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.