3.113.81.30
🏢 Ownership & Registration
| Organization | Amazon Data Services Japan |
| ASN | AS16509 |
| Network Name | AMAZON-NRT |
| CIDR Block | 3.112.0.0/14 |
| RIR | ARIN |
| Country | Japan |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-3-113-81-30.ap-northeast-1.compute.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-3-113-81-30.ap-northeast-1.compute.amazonaws.com |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Present |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Web Server |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 80, 3389, 8080, 8443 (1 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | *.samsunghrm.comlocalhost127.0.0.1 |
| Valid From | 2018-08-08T02:06:36+00:00 |
| Valid Until | 2048-07-31T02:06:36+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 10950 days |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 3.112.0.0/14 |
| Route mapping | Found |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Enabled |
🎯 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 | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Mixed Signals (68%) — 2 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ TLS certificate claims KR but primary geo says JP
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-28 23:46:07 UTC |
| Last Seen | 2026-09-28 23:46:07 UTC |
| Profile Built | 2026-09-28 23:57:40 UTC |
| Data Freshness | Live |
| Signal Types | 23 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 3.113.81.30
Who owns the IP address 3.113.81.30?
3.113.81.30 is registered to Amazon Data Services Japan. The address falls within the 3.112.0.0/14 network block. Registration is held at ARIN.
Where is 3.113.81.30 located?
Geolocation data places 3.113.81.30 in Tokyo, 13, Japan. The local time zone is Asia/Tokyo. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 3.113.81.30 malicious or safe?
3.113.81.30 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 3.113.81.30?
The reverse DNS (PTR) record for 3.113.81.30 is ec2-3-113-81-30.ap-northeast-1.compute.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 3.113.81.30?
Responsive ports observed on 3.113.81.30 include 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.