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CIDR Range

72.51.103.0/24

Addresses
256
256
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 256 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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 72.51.103.0/24

72.51.103.0/24 runs from 72.51.103.0 to 72.51.103.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
3,276
Last seen
2026-10-11 18:49:28

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — BB

Frequently Asked Questions

What is 72.51.103.0/24?

72.51.103.0/24 is a CIDR network block containing 256 IPv4 addresses (from 72.51.103.0 to 72.51.103.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 72.51.103.0/24 network?

The 72.51.103.0/24 range is allocated to Columbus Telecommunications Barbados Limited and announced via AS14813 from Barbados.

How many IP addresses are in 72.51.103.0/24?

72.51.103.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.

Last updated: 2026-10-27 21:24:05 UTC
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