154.14.144.138
154.14.144.138 is an IPv4 address operated by GTT-BACKBONE - GTT Communications Inc., US (AS3257), with approximate network location Warsaw, United Kingdom. Its reverse DNS name is ip4.gtt.net. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | AS3257-NET-MNT |
| ASN | AS3257 |
| Network Name | GTT-EU |
| CIDR Block | 154.14.128.0/19 |
| RIR | AFRINIC |
| Network registration country | DE |
| Routing operator | GTT-BACKBONE - GTT Communications Inc., US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ip4.gtt.net |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | ip4.gtt.net |
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 found at queried name net |
| spf | Unknown / lookup inconclusive ip4.gtt.net |
| dmarc | Unknown / lookup inconclusive _dmarc.ip4.gtt.net |
| dnssec | Unknown / lookup inconclusive 138.144.14.154.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive ip4.gtt.net |
☁️ 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 | — |
| 22 | ssh | tcp | Banner detected |
| Closed Ports | 25, 80, 3389, 8080, 8443 (2 open / 7 scanned) | ||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | E=support@fortinet.com, CN=S124FNTF25040995, OU=FortiSwitch, O=Fortinet, L=Sunnyvale, S=California, C=US Historical certificate; current certificate unknown |
| SANs | None |
| Valid From | 2025-11-21T12:00:42+00:00 |
| Valid Until | 2056-05-26T20:48:33+00:00 |
🛡️ Public Network Snapshot
| Origin ASN | AS3257 |
| Network Prefix | 154.14.0.0/16 |
| Route mapping | Found |
| HSTS | Enabled |
| CSP | Enabled |
| HTTP/2 | Not detected |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 33% | 2 | 7 |
| routing | 8% | 1 | 1 |
| services | 32% | 2 | 7 |
| ownership | 20% | 2 | 4 |
| reputation | 23% | 1 | 5 |
| geolocation | 31% | 2 | 5 |
| Overall | 24% | 10 | 29 |
| Data Coherence | Consistent (100%) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-07-14 09:42:53 UTC |
| Last Seen | 2026-11-14 14:48:16 UTC |
| Profile Built | 2026-11-13 23:08:42 UTC |
| Data Freshness | Fresh |
| Signal Types | 27 |
| Total Observations | 58 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 154.14.144.138
Who owns the IP address 154.14.144.138?
154.14.144.138 is registered to AS3257-NET-MNT. The address falls within the 154.14.128.0/19 network block. Registration is held at AFRINIC.
Where is 154.14.144.138 located?
Geolocation data places 154.14.144.138 in Warsaw, Mazovia, United Kingdom. The local time zone is Europe/London. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 154.14.144.138 malicious or safe?
154.14.144.138 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 154.14.144.138?
The reverse DNS (PTR) record for 154.14.144.138 is ip4.gtt.net. This hostname is not forward-confirmed, so it should be treated as a weak signal.
What ports are open on 154.14.144.138?
Responsive ports observed on 154.14.144.138 include 443, 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.