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CIDR Range

45.143.157.20/30

Addresses
4
4
Sub-ranges
0+
within this block
PTR Density
25.0%
1 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.

74/100
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 4 IP addresses in 45.143.157.20/30

Not announced as an exact prefix — covered by the announced supernet 45.143.157.0/24.

Announced prefix
Origin AS
Announcement samples
5,428
Last seen
2026-07-24 19:56:06

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 45.143.157.20/30?

45.143.157.20/30 is a CIDR network block containing 4 IPv4 addresses (from 45.143.157.20 to 45.143.157.23). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 45.143.157.20/30 network?

The 45.143.157.20/30 range is allocated to SEEWEB s.r.l. and announced via AS12637 from Switzerland.

How many IP addresses are in 45.143.157.20/30?

45.143.157.20/30 contains exactly 4 usable IPv4 addresses. A /30 prefix length means 4 addresses are covered by this single routing entry.

Last updated: 2026-07-24 20:10:31 UTC
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