143.0.17.127 is an IPv4 address announced by AS263990, with approximate network location Santo André, Brazil. As of November 12, 2026, IPDebrief rates it Low Risk (0/100); no anonymizing service was detected.
🏢 Ownership & Registration
| Registered holder | FASTNET COMUNICACAO EIRELI - ME |
| ASN | AS263990 |
| Network Name | 263212 |
| CIDR Block | 143.0.16.0/22 |
| RIR | ARIN |
| Network registration country | BR |
| Abuse Contact | Available via RDAP |
🌐 DNS Intelligence
| PTR Record | No PTR |
| Forward Confirmed | No — PTR hostname does not resolve back to this IP (weak signal) |
DNS Posture
Results describe the queried names. SPF, DMARC and CAA are domain policies, not requirements for every IP.
DNSSEC here describes reverse DNS; inconclusive validation does not mean unsigned.
Not assessed: 0 conclusive IP DNS checks.
| spf | Not checked |
| dmarc | Not checked |
| fcrDns | Not checked |
| dnssec | Not checked |
| caa | Not checked |
☁️ Network Classification
| Infrastructure | Unknown |
| Service Purpose | Firewalled / No Services |
| Network Tier | Tier 3 — Basic operator with some routing infrastructure |
No specific classification
🔍 10 signal types · 10 observations collected
This report is generated from 10+ independent intelligence signals including
ownership records, DNS analysis, BGP routing, TLS certificates, port scanning, threat feeds,
behavioral fingerprinting, and more.
Full dossier details are available via our API.
❓ Frequently Asked Questions About 143.0.17.127
Who owns the IP address 143.0.17.127?
143.0.17.127 is registered to FASTNET COMUNICACAO EIRELI - ME. The address falls within the 143.0.16.0/22 network block. Registration is held at ARIN.
Where is 143.0.17.127 located?
Geolocation data places 143.0.17.127 in Santo André, SP, Brazil. The local time zone is America/Sao_Paulo. IP geolocation is approximate, not a precise physical address. Registration country and certificate organization addresses do not establish service location.
Is 143.0.17.127 malicious or safe?
143.0.17.127 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.
