139.28.241.54
139.28.241.54 is an IPv4 address operated by GCS-AS - GLOBAL CONNECTIVITY SOLUTIONS LLP, GB (AS215540), with approximate network location Boston, Turkey. As of November 14, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | Global Connectivity Solutions |
| ASN | AS215540 |
| Network Name | GCS_SER-NET |
| CIDR Block | 139.28.241.0/24 |
| RIR | ARIN |
| Network registration country | DE |
| Routing operator | GCS-AS - GLOBAL CONNECTIVITY SOLUTIONS LLP, GB |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| 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 | 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 | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| Port | Probe target | Certificate finding |
|---|---|---|
| (IP-targeted) | CN=invalid2.invalid, OU=No SNI provided - please fix your client. Previously observed certificate has since expired; current certificate unknown |
| SANs | invalid2.invalid |
| Valid From | 2026-08-10T09:42:20+00:00 |
| Valid Until | 2026-11-02T09:42:19+00:00 |
| TLS Protocol | Tls13 |
| Cipher Suite | TLS_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 83 days |
🛡️ Public Network Snapshot
| Origin ASN | AS215540 |
| Network Prefix | 139.28.241.0/24 |
| 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 | 27% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 25% | 2 | 4 |
| ownership | 23% | 2 | 4 |
| reputation | 20% | 1 | 3 |
| geolocation | 35% | 2 | 3 |
| Overall | 23% | 10 | 19 |
| Data Coherence | Consistent (100%) |
| Attribution | Very Low (20%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Stale
| First Seen | 2026-07-12 14:58:27 UTC |
| Last Seen | 2026-10-06 08:53:42 UTC |
| Profile Built | 2026-11-14 10:05:31 UTC |
| Data Freshness | Stale |
| Signal Types | 21 |
| Total Observations | 21 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 139.28.241.54
Who owns the IP address 139.28.241.54?
139.28.241.54 is registered to Global Connectivity Solutions. The address falls within the 139.28.241.0/24 network block. Registration is held at ARIN.
Where is 139.28.241.54 located?
Geolocation data places 139.28.241.54 in Boston, MA, Turkey. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 139.28.241.54 malicious or safe?
139.28.241.54 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 ports are open on 139.28.241.54?
Responsive ports observed on 139.28.241.54 include 443, 22. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.