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CIDR Range

157.157.221.40/30

Addresses
4
4
Sub-ranges
0+
within this block
PTR Density
100.0%
4 of 4 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.

80/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 4 IP addresses in 157.157.221.40/30

Not announced as an exact prefix — covered by the announced supernet 157.157.221.0/24.

Announced prefix
Origin AS
Announcement samples
6,053
Last seen
2026-07-23 20:30:45

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 RIR Transfer arin ripe

Frequently Asked Questions

What is 157.157.221.40/30?

157.157.221.40/30 is a CIDR network block containing 4 IPv4 addresses (from 157.157.221.40 to 157.157.221.43). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 157.157.221.40/30 network?

The 157.157.221.40/30 range is allocated to Mila hf and announced via AS6677 from Iceland.

How many IP addresses are in 157.157.221.40/30?

157.157.221.40/30 contains exactly 4 usable IPv4 addresses. A /30 prefix length means 4 addresses are covered by this single routing entry.

Last updated: 2026-07-23 21:10:33 UTC
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