🏢 Ownership & Registration
| Organization | TELEFÔNICA BRASIL S.A |
| ASN | AS18881 |
| Network Name | 191472 |
| CIDR Block | 177.204.0.0/14 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 177.205.13.154.dynamic.adsl.gvt.net.br |
| Forward Confirmed | Yes — FCrDNS verified |
| Forward Hostnames | 177.205.13.154.dynamic.adsl.gvt.net.br |
🔐 DNS Hygiene
| Hygiene Score | 20% (Poor) |
| SPF | 0/2 domains |
| DMARC | 0/2 domains |
| FCrDNS | Verified |
| DNSSEC | Not signed |
| CAA | Not configured |
| Domains Checked | 2 domains |
☁️ Network Classification
| Infrastructure | Mobile |
| Service Purpose | Single-Service Host |
| Network Tier | Unknown — Insufficient routing data to classify |
🔌 Services & Open Ports
| Port | Service | Protocol | Banner |
|---|---|---|---|
| 8443 | https-alt | tcp | — |
| Closed Ports | 22, 25, 80, 443, 3389, 8080 (1 open / 7 scanned) | ||
| Server | Web server detected |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | 2022-01-05T19:50:15+00:00 |
| Valid Until | 2032-01-03T19:50:15+00:00 |
| TLS Protocol | Tls12 |
| Cipher Suite | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 |
| Signature Algorithm | sha256RSA |
| Validity Period | 3650 days |
🛡️ Public Network Snapshot
| Origin ASN | AS18881 |
| Network Prefix | 177.205.8.0/21 |
| Route mapping | Found |
🎯 Confidence Breakdown
Per-dimension confidence scores based on source diversity and data freshness
| Dimension | Score | Sources | Observations |
|---|---|---|---|
| threat | 23% | 2 | 4 |
| routing | 8% | 1 | 1 |
| services | 12% | 2 | 2 |
| ownership | 12% | 2 | 2 |
| reputation | 8% | 1 | 2 |
| geolocation | 15% | 2 | 2 |
| Overall | 13% | 10 | 13 |
| Data Coherence | Mixed Signals (68%) — 2 contradiction(s) |
| Attribution | Moderate (55%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
⚠ TLS certificate claims CN but primary geo says BR
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-19 18:09:25 UTC |
| Last Seen | 2026-09-29 03:06:55 UTC |
| Profile Built | 2026-09-25 02:19:16 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 25 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 177.205.13.154
Who owns the IP address 177.205.13.154?
177.205.13.154 is registered to TELEFÔNICA BRASIL S.A. The address falls within the 177.204.0.0/14 network block. Registration is held at LACNIC.
Where is 177.205.13.154 located?
Geolocation data places 177.205.13.154 in Valinhos, SP, 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 177.205.13.154 malicious or safe?
177.205.13.154 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 177.205.13.154?
The reverse DNS (PTR) record for 177.205.13.154 is 177.205.13.154.dynamic.adsl.gvt.net.br. This hostname is forward-confirmed, meaning it resolves back to the same address.
What ports are open on 177.205.13.154?
Responsive ports observed on 177.205.13.154 include 8443. Port visibility reflects the most recent scan and may change as the host's configuration or firewall rules change.
Is 177.205.13.154 a VPN, proxy, or data center address?
177.205.13.154 is classified as a mobile network based on network ownership and behavioural analysis.