103.28.54.180
Intelligence analysis for 103.28.54.180 identified the address as part of the IRT-VC-AP network (ASN 32590) located in Kwai Chung, Hong Kong. The host resolved to a PTR record pointing to valve.net and appeared firewalled with no active services or open ports. Threat assessment assigned a low-risk score of 25, noting zero blacklist hits in the overview but one DNSBL listing within the control plane. Behavioral monitoring recorded no honeypot strikes, enumeration attempts, or malicious incidents. The surrounding subnet remained clean with no threat siblings. Despite being classified as a suspicious host with unknown intent, the operational recommendation was to monitor rather than block.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | IRT-VC-AP |
| ASN | AS32590 |
| Network Name | VC-AP |
| CIDR Block | 103.28.54.0/23 |
| RIR | APNIC |
| Country | SG |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 103-28-54-180.valve.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 103-28-54-180.valve.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | 2/2 domains |
| DMARC | 2/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Present |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Unknown |
| 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 | — |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 42% | 2 | 6 |
| routing | 13% | 1 | 1 |
| services | 19% | 2 | 2 |
| ownership | 27% | 2 | 3 |
| reputation | 26% | 1 | 4 |
| geolocation | 38% | 2 | 5 |
| Overall | 27% | 10 | 21 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-08-30 18:05:31 UTC |
| Last Seen | 2026-09-21 00:10:15 UTC |
| Profile Built | 2026-09-21 00:21:17 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 34 |
Full dossier details are available via our API.