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CIDR Range

31.111.43.0/25

128 IPs /25 British Telecommunications PLC AS6871 United Kingdom RIPE
Addresses
128
128
IP Range
31.111.43.0
→ 31.111.43.127
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 128 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.

71/100
Moderate
How this score is built

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

Geolocation

All 128 IP addresses in 31.111.43.0/25

31.111.43.0 31.111.43.1 31.111.43.2 31.111.43.3 31.111.43.4 31.111.43.5 31.111.43.6 31.111.43.7 31.111.43.8 31.111.43.9 31.111.43.10 31.111.43.11 31.111.43.12 31.111.43.13 31.111.43.14 31.111.43.15 31.111.43.16 31.111.43.17 31.111.43.18 31.111.43.19 31.111.43.20 31.111.43.21 31.111.43.22 31.111.43.23 31.111.43.24 31.111.43.25 31.111.43.26 31.111.43.27 31.111.43.28 31.111.43.29 31.111.43.30 31.111.43.31 31.111.43.32 31.111.43.33 31.111.43.34 31.111.43.35 31.111.43.36 31.111.43.37 31.111.43.38 31.111.43.39 31.111.43.40 31.111.43.41 31.111.43.42 31.111.43.43 31.111.43.44 31.111.43.45 31.111.43.46 31.111.43.47 31.111.43.48 31.111.43.49 31.111.43.50 31.111.43.51 31.111.43.52 31.111.43.53 31.111.43.54 31.111.43.55 31.111.43.56 31.111.43.57 31.111.43.58 31.111.43.59 31.111.43.60 31.111.43.61 31.111.43.62 31.111.43.63 31.111.43.64 31.111.43.65 31.111.43.66 31.111.43.67 31.111.43.68 31.111.43.69 31.111.43.70 31.111.43.71 31.111.43.72 31.111.43.73 31.111.43.74 31.111.43.75 31.111.43.76 31.111.43.77 31.111.43.78 31.111.43.79 31.111.43.80 31.111.43.81 31.111.43.82 31.111.43.83 31.111.43.84 31.111.43.85 31.111.43.86 31.111.43.87 31.111.43.88 31.111.43.89 31.111.43.90 31.111.43.91 31.111.43.92 31.111.43.93 31.111.43.94 31.111.43.95 31.111.43.96 31.111.43.97 31.111.43.98 31.111.43.99 31.111.43.100 31.111.43.101 31.111.43.102 31.111.43.103 31.111.43.104 31.111.43.105 31.111.43.106 31.111.43.107 31.111.43.108 31.111.43.109 31.111.43.110 31.111.43.111 31.111.43.112 31.111.43.113 31.111.43.114 31.111.43.115 31.111.43.116 31.111.43.117 31.111.43.118 31.111.43.119 31.111.43.120 31.111.43.121 31.111.43.122 31.111.43.123 31.111.43.124 31.111.43.125 31.111.43.126 31.111.43.127

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 31.108.0.0/14.

Announced prefix
31.108.0.0/14
Origin AS
AS6871
Announcement samples
4,567
Last seen
2026-07-23 12:08:58

Frequently Asked Questions

What is 31.111.43.0/25?

31.111.43.0/25 is a CIDR network block containing 128 IPv4 addresses (from 31.111.43.0 to 31.111.43.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 31.111.43.0/25 network?

The 31.111.43.0/25 range is allocated to British Telecommunications PLC and announced via AS6871 from United Kingdom.

How many IP addresses are in 31.111.43.0/25?

31.111.43.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-07-23 12:40:31 UTC
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