100.61.128.108
100.61.128.108 is an IPv4 address operated by AMAZON-AES - Amazon.com, Inc., US (AS14618), with approximate network location United States. Its reverse DNS name is ec2-100-61-128-108.compute-1.amazonaws.com. As of November 14, 2026, IPDebrief rates it Low Risk (15/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Amazon Data Services Northern Virginia |
| ASN | AS14618 |
| Network Name | AMAZON-IAD |
| CIDR Block | 100.48.0.0/12 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | AMAZON-AES - Amazon.com, Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ec2-100-61-128-108.compute-1.amazonaws.com |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP. DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| caa | Not checked |
| spf | Not checked |
| dmarc | Not checked |
| dnssec | Not checked |
| fcrDns | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 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 | AS14618 |
| Network Prefix | 100.48.0.0/12 |
| Route mapping | Found |
| RPKI Status | Valid |
| Certificates in transparency logs | 0 certificates |
| HSTS | Not detected |
| CSP | Not detected |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 3 |
| routing | 49% | 4 | 5 |
| services | 35% | 2 | 3 |
| ownership | 38% | 3 | 4 |
| reputation | 17% | 1 | 2 |
| geolocation | 17% | 1 | 1 |
| Overall | 32% | 13 | 18 |
| Data Coherence | Mostly Consistent (82%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-09-29 06:47:29 UTC |
| Last Seen | 2026-10-06 07:54:28 UTC |
| Profile Built | 2026-11-14 04:25:45 UTC |
| Data Freshness | Stale |
| Signal Types | 30 |
| Total Observations | 31 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 100.61.128.108
Who owns the IP address 100.61.128.108?
100.61.128.108 is registered to Amazon Data Services Northern Virginia. The address falls within the 100.48.0.0/12 network block. Registration is held at ARIN.
Where is 100.61.128.108 located?
Geolocation data places 100.61.128.108 in United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 100.61.128.108 malicious or safe?
100.61.128.108 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 100.61.128.108?
The reverse DNS (PTR) record for 100.61.128.108 is ec2-100-61-128-108.compute-1.amazonaws.com. This hostname is not forward-confirmed, so it should be treated as a weak signal.