209.42.21.221
🏢 Ownership & Registration
| Organization | lir-uk-whgi-1-MNT |
| ASN | AS51713 |
| Network Name | WHG-LON1-15 |
| CIDR Block | 209.42.21.0/24 |
| RIR | ARIN |
| Country | GB |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | d7859.lon1.stableserver.net |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | d7859.lon1.stableserver.net |
🔐 DNS Hygiene
| Hygiene Score | 60% (Good) |
| SPF | Present |
| DMARC | Not configured |
| FCrDNS | Verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ 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 | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS51713 |
| Network Prefix | 209.42.21.0/24 |
| Route mapping | Found |
| Certificates in transparency logs | 0 certificates |
| 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 | 25% | 1 | 1 |
| routing | 25% | 1 | 1 |
| services | 25% | 1 | 1 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 25% | 6 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (70%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-06 12:08:59 UTC |
| Last Seen | 2026-08-28 21:22:17 UTC |
| Profile Built | 2026-08-28 22:06:19 UTC |
| Data Freshness | Live |
| Signal Types | 24 |
| Total Observations | 28 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 209.42.21.221
Who owns the IP address 209.42.21.221?
209.42.21.221 is registered to lir-uk-whgi-1-MNT. The address falls within the 209.42.21.0/24 network block. Registration is held at ARIN.
Where is 209.42.21.221 located?
Geolocation data places 209.42.21.221 in London, England, United Kingdom. The local time zone is Europe/London. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 209.42.21.221 malicious or safe?
209.42.21.221 currently carries a moderate risk assessment, meaning some indicators warrant caution, but the evidence is mixed. This assessment is generated from continuously collected signals and can change over time.
What is the hostname for 209.42.21.221?
The reverse DNS (PTR) record for 209.42.21.221 is d7859.lon1.stableserver.net. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 209.42.21.221?
Responsive ports observed on 209.42.21.221 include 80, 443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.