143.137.88.2
Analysis of IP address 143.137.88.2 identified ownership with Desktop Sigmanet Comunicações Multimídia SA under ASN 28649. Geolocation data confirmed the asset location within Brazil (BR) with a consensus accuracy radius of 2500km. The network role assessment reported no open services, categorizing the endpoint as firewalled. DNS analysis indicated forward resolution failures and a lack of hosted domains or PTR hostnames.
Risk assessment assigned the address
This summary was generated by AI and may contain inaccuracies. Verify critical details independently.
🏢 Ownership & Registration
| Organization | Desktop Sigmanet Comunicação Multimídia SA |
| ASN | AS28649 |
| Network Name | 476463 |
| CIDR Block | 143.137.88.0/22 |
| RIR | ARIN |
| Country | BR |
| Abuse Contact | — |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
🔐 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 | AS28649 |
| Network Prefix | 143.137.88.0/24 |
| 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 | 25% | 1 | 1 |
| reputation | 25% | 1 | 1 |
| geolocation | 25% | 1 | 1 |
| Overall | 26% | 7 | 7 |
| Data Coherence | Consistent (100%) |
| Attribution | Moderate (50%) |
| OwnershipFCrDNSGeo ConsensusGeo PlausibleIRR MatchRPKI Valid |
📅 Observation Timeline 🔄 Live
| First Seen | 2026-07-07 06:27:05 UTC |
| Last Seen | 2026-08-30 09:11:46 UTC |
| Profile Built | 2026-08-29 07:33:11 UTC |
| Data Freshness | Live |
| Signal Types | 13 |
| Total Observations | 16 |
Full dossier details are available via our API.
❓ Frequently Asked Questions About 143.137.88.2
Who owns the IP address 143.137.88.2?
143.137.88.2 is registered to Desktop Sigmanet Comunicação Multimídia SA. The address falls within the 143.137.88.0/22 network block. Registration is held at ARIN.
Where is 143.137.88.2 located?
Geolocation data places 143.137.88.2 in Brazil. IP geolocation is approximate and indicates the network's registered or routed location rather than a precise physical address.
Is 143.137.88.2 malicious or safe?
143.137.88.2 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.