116.51.17.221
116.51.17.221 is an IPv4 address operated by NETWORK ADMIN - AS17645 (AS2914), geolocated to Singapore, Singapore. Its reverse DNS name is ce-5-2-0.a03.sngpsi07.sg.ce.gin.ntt.net. As of October 28, 2026, IPDebrief rates it High Risk (70/100); no anonymizing service was detected.
An intelligence profile was generated for IP address 116.51.17.221/32, classified as a High Risk asset with a risk score of 70. The address is owned by ASN 2914 (NTT-GIN) within the 116.51.16.0/20 CIDR block in Singapore, though geolocation sources disagreed on the specific country. Network analysis showed no open ports, indicating a firewalled state with no active services.
Threat assessment classified the IP as Campaign Infrastructure with a high likelihood of malicious intent. Although the blacklist count was zero, the address correlated with 30 other IPs. Neighborhood data indicated an abuse density of 0.5 in the /24 subnet, with two threat siblings
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 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 | ce-5-2-0.a03.sngpsi07.sg.ce.gin.ntt.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | ce-5-2-0.a03.sngpsi07.sg.ce.gin.ntt.net |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 2/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| 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 | — |
🛡️ 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 25% | 1 | 2 |
| reputation | 0% | 0 | 0 |
| geolocation | 50% | 2 | 3 |
| Overall | 26% | 7 | 9 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-19 08:10:27 UTC |
| Last Seen | 2026-10-28 08:52:31 UTC |
| Profile Built | 2026-10-28 09:04:42 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 26 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 116.51.17.221
Who owns the IP address 116.51.17.221?
116.51.17.221 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 116.51.17.221 located?
Geolocation data places 116.51.17.221 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 116.51.17.221 malicious or safe?
116.51.17.221 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 116.51.17.221?
The reverse DNS (PTR) record for 116.51.17.221 is ce-5-2-0.a03.sngpsi07.sg.ce.gin.ntt.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.