13.128.81.131
🏢 Ownership & Registration
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Network Name | AMAZO-4 |
| CIDR Block | 13.128.0.0/16 |
| RIR | ARIN |
| Country | United States |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-13-128-81-131.compute-1.amazonaws.com |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ec2-13-128-81-131.compute-1.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 | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| No open ports detected | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS16509 |
| Network Prefix | 13.128.80.0/20 |
| 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 | 25% | 1 | 1 |
| ownership | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 0% | 0 | 0 |
| Overall | 12% | 3 | 3 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-10-28 04:45:18 UTC |
| Last Seen | 2026-10-31 05:11:24 UTC |
| Profile Built | 2026-11-01 01:18:29 UTC |
| Data Freshness | Live |
| Signal Types | 15 |
| Total Observations | 15 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 13.128.81.131
Who owns the IP address 13.128.81.131?
13.128.81.131 is registered to Amazon.com, Inc.. The address falls within the 13.128.0.0/16 network block. Registration is held at ARIN.
Where is 13.128.81.131 located?
Geolocation data places 13.128.81.131 in Kansas City, MO, United States. The local time zone is America/Chicago. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 13.128.81.131 malicious or safe?
13.128.81.131 currently carries a low risk assessment, meaning no significant threat indicators have been observed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 13.128.81.131?
The reverse DNS (PTR) record for 13.128.81.131 is ec2-13-128-81-131.compute-1.amazonaws.com. This hostname is forward-confirmed, meaning it resolves back to the same address.