CIDR Range

51.89.25.0/27

32 IPs /27 OVH SAS AS16276 United Kingdom RIPE

Addresses

IP Range

51.89.25.0

→ 51.89.25.31

Sub-ranges

within this block

PTR Density

100.0%

32 of 32 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

Baseline (neutral) 65
Long-established allocation (33y) +6
Has a reverse-DNS (PTR) record +5
Trust score 76 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 32 IP addresses in 51.89.25.0/27

51.89.25.0 51.89.25.1 51.89.25.2 51.89.25.3 51.89.25.4 51.89.25.5 51.89.25.6 51.89.25.7 51.89.25.8 51.89.25.9 51.89.25.10 51.89.25.11 51.89.25.12 51.89.25.13 51.89.25.14 51.89.25.15 51.89.25.16 51.89.25.17 51.89.25.18 51.89.25.19 51.89.25.20 51.89.25.21 51.89.25.22 51.89.25.23 51.89.25.24 51.89.25.25 51.89.25.26 51.89.25.27 51.89.25.28 51.89.25.29 51.89.25.30 51.89.25.31

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 51.89.0.0/16.

Announced prefix

51.89.0.0/16

Origin AS

AS16276

Announcement samples

21,525

Last seen

2026-07-18 11:34:49

Frequently Asked Questions

What is 51.89.25.0/27?

51.89.25.0/27 is a CIDR network block containing 32 IPv4 addresses (from 51.89.25.0 to 51.89.25.31). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 51.89.25.0/27 network?

The 51.89.25.0/27 range is allocated to OVH SAS and announced via AS16276 from United Kingdom.

How many IP addresses are in 51.89.25.0/27?

51.89.25.0/27 contains exactly 32 usable IPv4 addresses. A /27 prefix length means 32 addresses are covered by this single routing entry.

Last updated: 2026-07-18 11:40:32 UTC