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CIDR Range

177.9.0.0/17

Addresses
32,768
32.8K
Sub-ranges
50+
within this block
PTR Density
99.7%
32.7K of 32.8K 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 →

Ranges inside 177.9.0.0/17

CIDRIPsOrganizationASNCountry
177.9.0.0/21 2.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.36.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.76.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.48.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.52.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.64.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.88.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.100.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.104.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.116.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.32.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.20.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.16.0/22 1.0K TELEFONICA BRASIL S.A AS27699 BR
177.9.14.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.96.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.58.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.60.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.62.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.12.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.68.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.98.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.126.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.56.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.108.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.44.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.92.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.82.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.80.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.120.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.94.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.114.0/23 512 TELEFONICA BRASIL S.A AS27699 BR
177.9.40.0/23 512 TELEFONICA BRASIL S.A AS27699 BR

First and last addresses in 177.9.0.0/17

177.9.0.0/17 runs from 177.9.0.0 to 177.9.127.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 177.9.0.0/16.

Announced prefix
Origin AS
Announcement samples
13,843
Last seen
2026-11-13 07:13:00

Frequently Asked Questions

What is 177.9.0.0/17?

177.9.0.0/17 is a CIDR network block containing 32,768 IPv4 addresses (from 177.9.0.0 to 177.9.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 177.9.0.0/17 network?

The 177.9.0.0/17 range is allocated to TELEFONICA BRASIL S.A and announced via AS27699 from Brazil.

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