177.18.222.121
Intelligence Briefing: 177.18.222.121
The IP address 177.18.222.121 was identified as a mobile endpoint associated with TELEFÔNICA BRASIL S.A (ASN 18881) in Rio das Ostras, Brazil. The address resided on the TIM S.A. LTE/5G network. While the overall reputation was classified as Low Risk with a score of 25, the threat actor classification listed the host as Suspicious. Technical analysis revealed no open services, indicating a firewalled configuration. DNS hygiene was rated Poor (Score 20), with missing SPF, DMARC, and CAA records.
The IP resided in a neighborhood classified as mostly_clean with an inherited risk of 2 and one active threat sibling. It was listed on one DNS blacklist out of eight total lists. Observations occurred between July 16, 2026, and September 14, 2026. Given the low confidence score of 0
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | TELEFÔNICA BRASIL S.A |
| ASN | AS18881 |
| Network Name | 155051 |
| CIDR Block | 177.16.0.0/14 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 177.18.222.121.static.host.gvt.net.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177.18.222.121.static.host.gvt.net.br |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Valid |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Mobile |
| 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 | AS18881 |
| Network Prefix | 177.18.208.0/20 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 31% | 2 | 6 |
| routing | 17% | 2 | 3 |
| services | 12% | 2 | 2 |
| ownership | 22% | 3 | 4 |
| reputation | 23% | 1 | 5 |
| geolocation | 24% | 2 | 3 |
| Overall | 21% | 12 | 23 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-16 04:31:21 UTC |
| Last Seen | 2026-09-14 09:19:03 UTC |
| Profile Built | 2026-09-14 09:29:48 UTC |
| Data Freshness | Live |
| Signal Types | 27 |
| Total Observations | 35 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 177.18.222.121
Who owns the IP address 177.18.222.121?
177.18.222.121 is registered to TELEFÔNICA BRASIL S.A. The address falls within the 177.16.0.0/14 network block. Registration is held at LACNIC.
Where is 177.18.222.121 located?
Geolocation data places 177.18.222.121 in Rio das Ostras, RJ, Brazil. The local time zone is America/Sao_Paulo. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 177.18.222.121 malicious or safe?
177.18.222.121 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 177.18.222.121?
The reverse DNS (PTR) record for 177.18.222.121 is 177.18.222.121.static.host.gvt.net.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.
Is 177.18.222.121 a VPN, proxy, or data center address?
177.18.222.121 is classified as a mobile network based on network ownership and behavioural analysis.