131.100.166.201
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Established allocation (12y) +3
- Trust score 78 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- 131-100-166-201.nexnett.com.br
- Forward-confirmed (FCrDNS)
- Not checked
- PTR TTL
- 604800 s
- Reverse DNS last checked
- 2026-07-09 06:45 UTC
- Forward DNS last checked
- 2026-07-09 06:45 UTC
Forward DNS records for 131-100-166-201.nexnett.com.br
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 131.100.166.201 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- no PTR — Jul 9, 2026 → present
- 131-100-166-201.nexnett.com.br stable — Jun 2, 2026 → Jul 9, 2026
Network Allocation for 131.100.166.201
- CIDR range
- 131.100.164.0/22
- IP range (int)
- 2,204,410,880 — 2,204,411,903
- Prefix length
- /22
- Organization
- NEXNETT Brasil Telecom
- ASN
- AS61642
- ASN name
- NEXNETT Brasil Telecom
- Location
- Ribeirão Preto, S O Paulo, Brazil
- Coordinates
- -21.224400, -47.823900
- Accuracy radius
- 10 km
- Postal code
- 14000
- Regional Internet Registry
- ARIN
- Allocated
- 2014-08-20
- Data source(s)
- maxmind_city, maxmind_asn, maxmind_country, ipinfo_lite
- Last updated
- 2026-07-11 09:23:14
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | RIR Transfer | arin | lacnic |
See the full history for 131.100.164.0/22.
Frequently Asked Questions
Who owns 131.100.166.201?
131.100.166.201 is allocated to NEXNETT Brasil Telecom (AS61642), registered in Ribeirão Preto, Brazil.
Where is 131.100.166.201 located?
The geolocation for 131.100.166.201 maps to Ribeirão Preto, Brazil based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 131.100.166.201 on?
131.100.166.201 belongs to the 131.100.164.0/22 network block announced by AS61642. This range contains 1,024 addresses.
Does 131.100.166.201 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
