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CIDR Range

157.228.129.0/24

Addresses
256
256
Sub-ranges
0+
within this block
PTR Density
89.8%
230 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 157.228.129.0/24

157.228.129.0/24 runs from 157.228.129.0 to 157.228.129.255.

First 16
Last 16

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

Announced prefix
Origin AS
Announcement samples
11,497
Last seen
2026-10-27 10:22:33

RIR Ownership History

Atom feed ⇲

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

Date Event From To
2026-07-18 New Allocation — AE
2026-07-09 New Allocation — GB
2026-05-10 RIR Transfer arin ripe

Frequently Asked Questions

What is 157.228.129.0/24?

157.228.129.0/24 is a CIDR network block containing 256 IPv4 addresses (from 157.228.129.0 to 157.228.129.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 157.228.129.0/24 network?

The 157.228.129.0/24 range is allocated to First Server Limited and announced via AS204339 from United Arab Emirates.

How many IP addresses are in 157.228.129.0/24?

157.228.129.0/24 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 11:09:05 UTC
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