187.2.252.34
Inteligence Briefing: IP 187.2.252.34/32
The IP address 187.2.252.34/32 was classified as a low-risk residential endpoint with a risk score of 15. Ownership records linked the address to Claro NXT Telecomunicacoes Ltda (ASN 28573) within the São Paulo region of Brazil. Network analysis confirmed mobile traffic over Claro LTE/5G infrastructure. While no active campaigns or known attacker indicators were found, the system tagged the host as "Suspicious Host" with a low attribution confidence.
Technical observation showed a PTR record pointing to bb02fc22.virtua.com.br, though forward resolution was unconfirmed. The address registered on one of eight DNSBLs. Geolocation data presented a contradiction between US and BR origins. Despite the low-risk classification, analysts recommended monitoring due to signal contradictions and low overall confidence metrics.
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Claro NXT Telecomunicacoes Ltda |
| ASN | AS28573 |
| Network Name | 119438 |
| CIDR Block | 187.2.0.0/15 |
| RIR | LACNIC |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR | bb02fc22.virtua.com.br |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
| Forward Hostnames | bb02fc22.virtua.com.br |
🔐 DNS Hygiene
| Hygiene Score | 0% (None) |
| SPF | Not configured |
| DMARC | Not configured |
| FCrDNS | Not verified |
| DNSSEC | Not signed |
| CAA | Not configured |
☁️ Network Classification
| Infrastructure | Residential |
| Service Purpose | Residential Endpoint |
| Network Tier | End-User — Residential ISP endpoint |
🔌 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 | — |
🎯 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 | 0% | 0 | 0 |
| reputation | 0% | 0 | 0 |
| geolocation | 25% | 1 | 1 |
| Overall | 16% | 4 | 4 |
| Data Coherence | Mostly Consistent (80%) — 1 contradiction(s) |
| Attribution | Low (35%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-09-08 00:07:57 UTC |
| Last Seen | 2026-09-08 00:07:57 UTC |
| Profile Built | 2026-09-08 00:23:03 UTC |
| Data Freshness | Live |
| Signal Types | 22 |
| Total Observations | 22 |
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