112.104.156.91
IP Intelligence Briefing: 112.104.156.91
Date: 2026-06-10
---
**1. Core Profile**
- Risk Score: Moderate (50/100)
- Ownership: Registered to Anti-Spammer NCIC (ASN 4780, SEEDNET-NET) under APNIC.
- Geolocation: Taipei City, Taiwan (25.05°N, 121.53°E).
- Network Role: Dynamic residential/DSL connection. No cloud, CDN, or mobile indicators.
- Threat Indicators: No malicious activity detected (no blacklists, spam, or campaigns).
---
**2. Observation History**
- Recent Activity (Last 30 Days):
- 13 observations recorded, with 8 unique signal types.
- DNS Resolutions: Consistently resolves to `112-104-156-91.adsl.dynamic.seed.net.tw`.
- Operator Score: Basic (0.26), indicating minimal infrastructure risk.
- Routing Stability: BGP route stability score: 0 (unstable).
---
**3. Relationships & Context**
- DNS Associations:
- Linked to 4 DNS records under `seed.net.tw` (dynamic host).
- Network Relationships:
- Part of SEEDNET-NET (ASN 4780), with no notable peer relationships.
- No Known Malicious Connections: No correlated IPs, certificates, or campaigns.
---
**4. Neighborhood Analysis**
- Subnet: 112.104.156.0/24.
- Neighbor Risk: 0 abuse density; no active or threatening sibling IPs identified.
---
**5. Recommendations**
- Monitoring: Track DNS resolution patterns and BGP route stability.
- Classification: Label as low-risk residential with dynamic DNS.
- Actions: No immediate mitigation required. Re-evaluate if new threats emerge.
---
Source: IPDebrief Threat Intelligence Platform.
Note: No actionable firewall rules or security actions recommended at this time.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Anti-Spammer NCIC |
| ASN | AS4780 |
| Network Name | SEEDNET-NET |
| CIDR Block | 112.104.128.0/19 |
| RIR | APNIC |
| Country | TW |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 112-104-156-91.adsl.dynamic.seed.net.tw |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 112-104-156-91.adsl.dynamic.seed.net.tw |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | 13% | 1 | 1 |
| routing | 13% | 1 | 1 |
| services | 13% | 1 | 1 |
| ownership | 21% | 2 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 13% | 1 | 1 |
| Overall | 12% | 6 | 6 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-05-23 12:21:21 UTC |
| Last Seen | 2026-06-10 06:40:37 UTC |
| Profile Built | 2026-06-10 07:27:26 UTC |
| Data Freshness | Live |
| Signal Types | 16 |
| Total Observations | 28 |
Full dossier details are available via our API.