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CIDR Range

172.242.129.128/26

Addresses
64
64
Sub-ranges
0+
within this block
PTR Density
100.0%
64 of 64 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.

77/100
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 64 IP addresses in 172.242.129.128/26

Not announced as an exact prefix — covered by the announced supernet 172.242.129.0/24.

Announced prefix
Origin AS
Announcement samples
5,398
Last seen
2026-07-24 17:11:44

Frequently Asked Questions

What is 172.242.129.128/26?

172.242.129.128/26 is a CIDR network block containing 64 IPv4 addresses (from 172.242.129.128 to 172.242.129.191). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 172.242.129.128/26 network?

The 172.242.129.128/26 range is allocated to ViaSat, Inc. and announced via AS7155 from United States.

How many IP addresses are in 172.242.129.128/26?

172.242.129.128/26 contains exactly 64 usable IPv4 addresses. A /26 prefix length means 64 addresses are covered by this single routing entry.

Last updated: 2026-07-24 19:25:32 UTC
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