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CIDR Range

161.13.51.0/26

Addresses
64
64
Sub-ranges
0+
within this block
PTR Density
0.0%
0 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.

62/100
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 64 IP addresses in 161.13.51.0/26

Not announced as an exact prefix — covered by the announced supernet 161.13.48.0/21.

Announced prefix
Origin AS
Announcement samples
21,021
Last seen
2026-07-23 12:52:06

Frequently Asked Questions

What is 161.13.51.0/26?

161.13.51.0/26 is a CIDR network block containing 64 IPv4 addresses (from 161.13.51.0 to 161.13.51.63). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 161.13.51.0/26 network?

The 161.13.51.0/26 range is allocated to Surf Air Wireless, LLC and announced via AS13428 from United States.

How many IP addresses are in 161.13.51.0/26?

161.13.51.0/26 contains exactly 64 usable IPv4 addresses. A /26 prefix length means 64 addresses are covered by this single routing entry.

Last updated: 2026-07-23 13:25:31 UTC
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