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CIDR Range

91.135.64.176/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
68.8%
11 of 16 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.

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 →

Geolocation

All 16 IP addresses in 91.135.64.176/28

Not announced as an exact prefix — covered by the announced supernet 91.135.64.0/20.

Announced prefix
Origin AS
Announcement samples
4,237
Last seen
2026-07-23 21:24:41

Frequently Asked Questions

What is 91.135.64.176/28?

91.135.64.176/28 is a CIDR network block containing 16 IPv4 addresses (from 91.135.64.176 to 91.135.64.191). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 91.135.64.176/28 network?

The 91.135.64.176/28 range is allocated to Computerline GmbH and announced via AS41913 from Switzerland.

How many IP addresses are in 91.135.64.176/28?

91.135.64.176/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-07-23 23:10:33 UTC
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