116.51.22.181
116.51.22.181 is an IPv4 address operated by NETWORK ADMIN - AS17645 (AS2914), geolocated to Singapore, Singapore. Its reverse DNS name is auth25.ns.gin.ntt.net. As of October 21, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Organization | NETWORK ADMIN - AS17645 |
| ASN | AS2914 |
| Network Name | NTT-GIN |
| CIDR Block | 116.51.16.0/20 |
| RIR | APNIC |
| Country | SG |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | auth25.ns.gin.ntt.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | auth25.ns.gin.ntt.net |
🔐 DNS Hygiene
| Hygiene Score | 40% (Fair) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ 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 | — |
🛡️ Public Network Snapshot
| Origin ASN | AS2914 |
| Network Prefix | 116.51.16.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 17% | 1 | 1 |
| services | 24% | 2 | 2 |
| ownership | 35% | 2 | 3 |
| reputation | 17% | 1 | 2 |
| geolocation | 35% | 2 | 3 |
| Overall | 27% | 10 | 14 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-16 11:07:36 UTC |
| Last Seen | 2026-10-21 16:00:49 UTC |
| Profile Built | 2026-10-21 16:11:59 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 116.51.22.181
Who owns the IP address 116.51.22.181?
116.51.22.181 is registered to NETWORK ADMIN - AS17645. The address falls within the 116.51.16.0/20 network block. Registration is held at APNIC.
Where is 116.51.22.181 located?
Geolocation data places 116.51.22.181 in Singapore, SG, Singapore. The local time zone is Asia/Singapore. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 116.51.22.181 malicious or safe?
116.51.22.181 currently carries a high risk assessment, meaning indicators associated with malicious or abusive activity have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 116.51.22.181?
The reverse DNS (PTR) record for 116.51.22.181 is auth25.ns.gin.ntt.net. This hostname is forward-confirmed, meaning it resolves back to the same address.