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CIDR
/21 · 2.0K IPs
ASN
Brasilnet Telecomunicacoes Ltda ME
Reverse DNS
191-253-221-184.dynamic.brasilnet.net.br
Last scanned 1 days ago
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.

78/100
Moderate
How this score is built

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

DNS records

Reverse DNS (PTR)
191-253-221-184.dynamic.brasilnet.net.br
Forward-confirmed (FCrDNS)
✗ Mismatch
PTR TTL
3600 s
Reverse DNS last checked
2026-07-27 12:29 UTC
Forward DNS last checked
2026-07-27 12:29 UTC
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Network Allocation for 191.253.221.184

CIDR range
191.253.216.0/21
IP range (int)
3,221,084,160 — 3,221,086,207
Prefix length
/21
Organization
Brasilnet Telecomunicacoes Ltda ME
ASN
AS262808
ASN name
Brasilnet Telecomunicacoes Ltda ME
Location
Cantagalo, Rio De Janeiro, Brazil
Coordinates
-21.886800, -42.325400
Accuracy radius
20 km
Postal code
28500
Regional Internet Registry
LACNIC
Allocated
2014-01-17
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-28 04:09:28

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

Announced prefix
Origin AS
Announcement samples
26,722
Last seen
2026-07-29 07:45:08

Frequently Asked Questions

Who owns 191.253.221.184?

191.253.221.184 is allocated to Brasilnet Telecomunicacoes Ltda ME (AS262808), registered in Cantagalo, Brazil.

Where is 191.253.221.184 located?

The geolocation for 191.253.221.184 maps to Cantagalo, 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 191.253.221.184 on?

191.253.221.184 belongs to the 191.253.216.0/21 network block announced by AS262808. This range contains 2,048 addresses.

Does 191.253.221.184 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: 2026-07-29 08:31:06 UTC
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