177.138.134.237
Intelligence Briefing: 177.138.134.237
The IP address 177.138.134.237 was identified with a low-risk reputation score of 25. Ownership records attributed the address to TELEFÔNICA BRASIL S.A (ASN 27699) within the 177.138.0.0/15 CIDR block in São Paulo, Brazil. Network analysis indicated the address was firewalled with no active services exposed on open ports.
Threat intelligence assessment revealed zero blacklist entries and no association with known attackers, spam sources, or Tor exit nodes. The address was not associated with any hosted domains, resulting in absent SPF and DMARC configurations. DNS PTR records resolved to 177-138-134-237.dsl.telesp.net.br, though forward resolution confirmation was false.
Operational context classified the IP as non-cloud, non-CDN, and non-residential infrastructure. No route changes were recorded over the past 30 days. Based on current indicators, the IP presented minimal threat posture suitable for standard monitoring protocols.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | TELEFÔNICA BRASIL S.A |
| ASN | AS27699 |
| Network Name | 181087 |
| CIDR Block | 177.138.0.0/15 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | 177-138-134-237.dsl.telesp.net.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | 177-138-134-237.dsl.telesp.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 | 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 | |||
| Server | — |
| HTTP Title | — |
🔐 TLS Certificate
| SANs | None |
| Valid From | — |
| Valid Until | — |
🛡️ Public Network Snapshot
| Origin ASN | AS27699 |
| Network Prefix | 177.138.0.0/16 |
| 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 | 25% | 1 | 1 |
| ownership | 35% | 2 | 2 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 28% | 8 | 8 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-04 11:15:58 UTC |
| Last Seen | 2026-08-23 16:35:45 UTC |
| Profile Built | 2026-08-29 10:06:50 UTC |
| Data Freshness | Live |
| Signal Types | 21 |
| Total Observations | 23 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 177.138.134.237
Who owns the IP address 177.138.134.237?
177.138.134.237 is registered to TELEFÔNICA BRASIL S.A. The address falls within the 177.138.0.0/15 network block. Registration is held at LACNIC.
Where is 177.138.134.237 located?
Geolocation data places 177.138.134.237 in São Paulo, 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 177.138.134.237 malicious or safe?
177.138.134.237 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 177.138.134.237?
The reverse DNS (PTR) record for 177.138.134.237 is 177-138-134-237.dsl.telesp.net.br. This hostname is not forward-confirmed, so it should be treated as a weak signal.