8.243.1.18
8.243.1.18 is an IPv4 address operated by LEVEL3 - Level 3 Parent, LLC, US (AS3356), with approximate network location Buenos Aires, Argentina. Its reverse DNS name is ans1ar.cirion.live. As of November 13, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | CTL Argentina |
| ASN | AS3356 |
| Network Name | NET-8-243-0-0-1 |
| CIDR Block | 8.243.0.0/19 |
| RIR | ARIN |
| Network registration country | Argentina |
| Routing operator | LEVEL3 - Level 3 Parent, LLC, US |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR | ans1ar.cirion.live |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | ans1ar.cirion.live |
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 live |
| spf | Unknown / lookup inconclusive ans1ar.cirion.live |
| dmarc | Unknown / lookup inconclusive _dmarc.ans1ar.cirion.live |
| dnssec | Unknown / lookup inconclusive 18.1.243.8.in-addr.arpa |
| fcrDns | Unknown / lookup inconclusive ans1ar.cirion.live |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 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 | AS3356 |
| Network Prefix | 8.243.0.0/19 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 35% | 2 | 2 |
| routing | 25% | 1 | 1 |
| services | 35% | 2 | 2 |
| ownership | 50% | 2 | 3 |
| reputation | 0% | 0 | 0 |
| geolocation | 50% | 2 | 3 |
| Overall | 32% | 9 | 11 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Fresh
| First Seen | 2026-10-15 20:10:00 UTC |
| Last Seen | 2026-11-12 08:02:13 UTC |
| Profile Built | 2026-11-13 07:54:28 UTC |
| Data Freshness | Fresh |
| Signal Types | 21 |
| Total Observations | 30 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 8.243.1.18
Who owns the IP address 8.243.1.18?
8.243.1.18 is registered to CTL Argentina. The address falls within the 8.243.0.0/19 network block. Registration is held at ARIN.
Where is 8.243.1.18 located?
Geolocation data places 8.243.1.18 in Buenos Aires, Buenos Aires F.D., Argentina. The local time zone is America/Argentina/Buenos_Aires. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 8.243.1.18 malicious or safe?
8.243.1.18 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 8.243.1.18?
The reverse DNS (PTR) record for 8.243.1.18 is ans1ar.cirion.live. This hostname is forward-confirmed, meaning it resolves back to the same address.