IPDebrief

121.237.11.201

IP Intelligence Dossier
Your IP: 216.73.216.142

121.237.11.201 is an IPv4 address operated by Chinanet Hostmaster (AS4134), geolocated to Nanjing, China. It belongs to a mobile network. As of August 29, 2026, IPDebrief rates it Low Risk (25/100); no anonymizing service was detected.

{ } JSON

🌍 Geolocation

Country🇨🇳 China
RegionJS
CityNanjing
Timezone—
Latitude32.06
Longitude118.78

🏢 Ownership & Registration

OrganizationChinanet Hostmaster
ASNAS4134
Network NameCHINANET-JS
CIDR Block121.224.0.0/12
RIRAPNIC
CountryCN
Abuse ContactAvailable via RDAP

🌐 DNS Intelligence

PTR RecordNo PTR
Forward ConfirmedNo — PTR hostname does not resolve back to this IP (weak signal)

🔐 DNS Hygiene

Hygiene Score20% (Poor)
SPFNot configured
DMARCNot configured
FCrDNSNot verified
DNSSECValid
CAANot configured

☁️ Network Classification

InfrastructureMobile
Service PurposeFirewalled / No Services
Network TierUnknown — Insufficient routing data to classify
Mobile

🔌 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 ASNAS4134
Network Prefix121.224.0.0/12
Route mappingFound

🎯 Confidence Breakdown

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

DimensionScoreSourcesObservations
threat
12%
22
routing
8%
11
services
8%
11
ownership
17%
23
reputation
8%
12
geolocation
12%
22
Overall11%911
Coverage: 6/6 dimensions · Data sufficiency: sufficient
Data CoherenceConsistent (100%)
AttributionModerate (50%)
OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid

📅 Observation Timeline 🔄 Live

First Seen2026-07-04 05:08:07 UTC
Last Seen2026-10-06 10:17:04 UTC
Profile Built2026-08-29 08:13:34 UTC
Data FreshnessLive
Signal Types13
Total Observations15
🔍 13 signal types · 15 observations collected
This report is generated from 13+ 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 121.237.11.201

Who owns the IP address 121.237.11.201?

121.237.11.201 is registered to Chinanet Hostmaster. The address falls within the 121.224.0.0/12 network block. Registration is held at APNIC.

Where is 121.237.11.201 located?

Geolocation data places 121.237.11.201 in Nanjing, JS, China. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.

Is 121.237.11.201 malicious or safe?

121.237.11.201 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.

Is 121.237.11.201 a VPN, proxy, or data center address?

121.237.11.201 is classified as a mobile network based on network ownership and behavioural analysis.

🏘️ Related IP Addresses

Nearby addresses in 121.224.0.0/12

Browse related networks

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.