153.37.227.72
153.37.227.72 is an IPv4 address operated by CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN (AS4837), with approximate network location China. It belongs to a mobile network. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Lan Li |
| ASN | AS4837 |
| Network Name | UNICOM-JS |
| CIDR Block | 153.36.0.0/15 |
| RIR | APNIC |
| Network registration country | CN |
| Routing operator | CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — 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.
| caa | Unknown / lookup inconclusive |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Unknown / lookup inconclusive 72.227.37.153.in-addr.arpa |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Closed Ports | 22, 25, 80, 443, 3389, 8080, 8443 (0 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS4837 |
| Network Prefix | 153.36.0.0/15 |
| Route mapping | Found |
📅 Observation Timeline 🔄 Recent
| First Seen | 2026-08-04 05:42:22 UTC |
| Last Seen | 2026-11-12 10:42:30 UTC |
| Profile Built | 2026-11-14 03:58:52 UTC |
| Data Freshness | Recent |
| Signal Types | 13 |
| Total Observations | 18 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 153.37.227.72
Who owns the IP address 153.37.227.72?
153.37.227.72 is registered to Lan Li. The address falls within the 153.36.0.0/15 network block. Registration is held at APNIC.
Where is 153.37.227.72 located?
Geolocation data places 153.37.227.72 in China. The local time zone is Asia/Shanghai. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 153.37.227.72 malicious or safe?
153.37.227.72 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 153.37.227.72 a VPN, proxy, or data center address?
153.37.227.72 is classified as a mobile network based on network ownership and behavioural analysis.