204.57.240.10
204.57.240.10 is an IPv4 address operated by AMAZON-AES - Amazon.com, Inc., US (AS14618), with approximate network location United States. Its reverse DNS name is 204-57-240-10.edge.iad.pubnub.net. As of November 14, 2026, IPDebrief rates it Low Risk (10/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | PubNub Inc. |
| ASN | AS14618 |
| Network Name | PUBNU |
| CIDR Block | 204.57.240.0/21 |
| RIR | ARIN |
| Network registration country | United States |
| Routing operator | AMAZON-AES - Amazon.com, Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | 204-57-240-10.edge.iad.pubnub.net |
| 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 | Web Server |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 80 | http | tcp | — |
| 443 | https | tcp | — |
| Closed Ports | 22, 25, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=*.pubnub.com Historical certificate; current certificate unknown |
| SANs | *.pubnub.compubnub.com |
| Valid From | 2026-01-07T20:37:36+00:00 |
| Valid Until | 2027-01-07T20:37:36+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_128_GCM_SHA256 |
| Signature Algorithm | sha256RSA |
| Validity Period | 365 days |
🛡️ Public Network Snapshot
| Origin ASN | AS14618 |
| Network Prefix | 204.57.240.0/24 |
| Route mapping | Found |
| RPKI Status | Valid |
| 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 | 42% | 2 | 4 |
| routing | 20% | 1 | 1 |
| services | 40% | 2 | 3 |
| ownership | 40% | 2 | 3 |
| reputation | 34% | 1 | 3 |
| geolocation | 40% | 2 | 3 |
| Overall | 36% | 10 | 17 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-09-30 18:18:08 UTC |
| Last Seen | 2026-10-06 09:26:24 UTC |
| Profile Built | 2026-11-14 05:22:21 UTC |
| Data Freshness | Stale |
| Signal Types | 28 |
| Total Observations | 28 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 204.57.240.10
Who owns the IP address 204.57.240.10?
204.57.240.10 is registered to PubNub Inc.. The address falls within the 204.57.240.0/21 network block. Registration is held at ARIN.
Where is 204.57.240.10 located?
Geolocation data places 204.57.240.10 in United States. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 204.57.240.10 malicious or safe?
204.57.240.10 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 204.57.240.10?
The reverse DNS (PTR) record for 204.57.240.10 is 204-57-240-10.edge.iad.pubnub.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 204.57.240.10?
Responsive ports observed on 204.57.240.10 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.