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CIDR Range

177.131.112.0/21

Addresses
2,048
2.0K
Sub-ranges
0+
within this block
PTR Density
98.5%
2.0K of 2.0K IPs have PTR

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 v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 177.131.112.0/21

177.131.112.0/21 runs from 177.131.112.0 to 177.131.119.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 177.131.112.0/20.

Announced prefix
Origin AS
Announcement samples
76,932
Last seen
2026-11-13 06:15:17

Frequently Asked Questions

What is 177.131.112.0/21?

177.131.112.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 177.131.112.0 to 177.131.119.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 177.131.112.0/21 network?

The 177.131.112.0/21 range is allocated to ACESSOLINE TELECOMUNICACOES LTDA and announced via AS262391 from Brazil.

Last updated: 2026-11-13 07:24:05 UTC
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