153.0.81.90
IP Intelligence Briefing: 153.0.81.90
*Generated via IPDebrief tools: profile, history, relationships, and neighborhood analysis.*
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**1. Core Profile**
- Risk Score: 25 (Low Risk)
- Ownership:
- ASN: 4837
- Organization: ChinaUnicom Hostmaster (UNICOM-HI)
- Country: China (CN)
- Mobile Carrier: China Unicom (LTE/5G)
- Geolocation:
- City: P.R. China
- Coordinates: 34.77°N, 113.72°E (Asia/Shanghai timezone)
- Network Role: Mobile network (not residential, cloud, or CDN).
- Threat Indicators: Clean (no malicious indicators, blacklists, or campaigns detected).
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**2. Observation History**
- Recent Activity:
- DNSSEC validation confirmed for `90.81.0.153.in-addr.arpa`.
- Listed in 1/8 DNSBLs (low priority).
- No suspicious traffic or persistent threats observed.
- Stability: Subnet (`153.0.0.0/16`) shows route instability (30-day stability score: 0).
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**3. Relationships & Subnet Context**
- Linked Entities:
- Same network (`UNICOM-HI`) with 2 sibling IPs.
- No direct ties to hostnames, domains, or certificates.
- Subnet Analysis:
- 153.0.81.90/24:
- Abuse Density: 0.5 (mixed risk).
- Neighbor: `153.0.81.155` (risk score: 25, authority score: 50).
- Threat Siblings: 1 out of 2 sibling IPs flagged.
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**4. Recommendations**
- Monitor Subnet: Track `153.0.81.155` for potential lateral movement or abuse.
- Verify DNSBL Listing: Investigate why this IP appears in 1/8 DNSBLs.
- Check Mobile Carrier Logs: Correlate with China Unicom’s LTE/5G network activity.
- Geolocation Validation: Confirm if the IP’s location aligns with China’s mobile infrastructure.
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Conclusion: This IP is low risk but resides in a subnet with mixed abuse activity. Focus on the neighbor `153.0.81.155` and validate DNSBL listings for potential indirect threats.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | ChinaUnicom Hostmaster |
| ASN | AS4837 |
| Network Name | UNICOM-HI |
| CIDR Block | 153.0.0.0/16 |
| RIR | APNIC |
| Country | 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 Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 0% | 0 | 0 |
| routing | 0% | 0 | 0 |
| services | 0% | 0 | 0 |
| ownership | 27% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 6% | 3 | 4 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-06-04 18:51:01 UTC |
| Last Seen | 2026-06-13 02:34:27 UTC |
| Profile Built | 2026-06-13 02:43:07 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 15 |
Full dossier details are available via our API.