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CIDR Range

5.241.0.0/16

Addresses
65,536
65.5K
Sub-ranges
9+
within this block
PTR Density
62.5%
40.9K of 65.5K 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 5.241.0.0/16

First and last addresses in 5.241.0.0/16

5.241.0.0/16 runs from 5.241.0.0 to 5.241.255.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 5.240.0.0/14.

Announced prefix
Origin AS
Announcement samples
12,145
Last seen
2026-10-27 15:18:13

Frequently Asked Questions

What is 5.241.0.0/16?

5.241.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 5.241.0.0 to 5.241.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 5.241.0.0/16 network?

The 5.241.0.0/16 range is allocated to Tele2 SWIPnet and announced via AS1257 from Latvia.

Last updated: 2026-10-27 15:54:05 UTC
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