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CIDR
/19 · 8.2K IPs
ASN
Fundacao Carlos Chagas Filho de Amparo a Pesquisa
Reverse DNS
No PTR record
Blocklisted
Checking…
Scanning blocklists

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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network Allocation for 146.164.38.7

CIDR range
146.164.32.0/19
IP range (int)
2,460,229,632 — 2,460,237,823
Prefix length
/19
Organization
Fundacao Carlos Chagas Filho de Amparo a Pesquisa
ASN
AS2715
ASN name
Fundacao Carlos Chagas Filho de Amparo a Pesquisa
Location
Rio de Janeiro, Rio De Janeiro, Brazil
Coordinates
-22.920100, -43.081100
Accuracy radius
5 km
Postal code
24000
Regional Internet Registry
LACNIC
Allocated
1991-02-15
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-18 05:24:28

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
36,120
Last seen
2026-09-18 19:34:52

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 146.164.0.0/16.

Frequently Asked Questions

Who owns 146.164.38.7?

146.164.38.7 is allocated to Fundacao Carlos Chagas Filho de Amparo a Pesquisa (AS2715), registered in Rio de Janeiro, Brazil.

Where is 146.164.38.7 located?

The geolocation for 146.164.38.7 maps to Rio de Janeiro, 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 146.164.38.7 on?

146.164.38.7 belongs to the 146.164.32.0/19 network block announced by AS2715. This range contains 8,192 addresses.

Does 146.164.38.7 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.

Related

Last updated: 2026-09-18 20:21:37 UTC
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