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CIDR Range

64.138.11.32/28

Addresses
16
16
Sub-ranges
0+
within this block
PTR Density
100.0%
16 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 16 IP addresses in 64.138.11.32/28

Not announced as an exact prefix — covered by the announced supernet 64.138.10.0/23.

Announced prefix
Origin AS
Announcement samples
10,060
Last seen
2026-07-23 12:52:25

Frequently Asked Questions

What is 64.138.11.32/28?

64.138.11.32/28 is a CIDR network block containing 16 IPv4 addresses (from 64.138.11.32 to 64.138.11.47). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 64.138.11.32/28 network?

The 64.138.11.32/28 range is allocated to Masergy Communications, Inc. and announced via AS19855 from United States.

How many IP addresses are in 64.138.11.32/28?

64.138.11.32/28 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 13:25:31 UTC
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