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CIDR Range

217.42.167.0/25

128 IPs /25 British Telecommunications PLC AS2856 United Kingdom RIPE
Addresses
128
128
IP Range
217.42.167.0
→ 217.42.167.127
Sub-ranges
0+
within this block
PTR Density
100.0%
128 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.

76/100
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 217.42.167.0/25

217.42.167.0 217.42.167.1 217.42.167.2 217.42.167.3 217.42.167.4 217.42.167.5 217.42.167.6 217.42.167.7 217.42.167.8 217.42.167.9 217.42.167.10 217.42.167.11 217.42.167.12 217.42.167.13 217.42.167.14 217.42.167.15 217.42.167.16 217.42.167.17 217.42.167.18 217.42.167.19 217.42.167.20 217.42.167.21 217.42.167.22 217.42.167.23 217.42.167.24 217.42.167.25 217.42.167.26 217.42.167.27 217.42.167.28 217.42.167.29 217.42.167.30 217.42.167.31 217.42.167.32 217.42.167.33 217.42.167.34 217.42.167.35 217.42.167.36 217.42.167.37 217.42.167.38 217.42.167.39 217.42.167.40 217.42.167.41 217.42.167.42 217.42.167.43 217.42.167.44 217.42.167.45 217.42.167.46 217.42.167.47 217.42.167.48 217.42.167.49 217.42.167.50 217.42.167.51 217.42.167.52 217.42.167.53 217.42.167.54 217.42.167.55 217.42.167.56 217.42.167.57 217.42.167.58 217.42.167.59 217.42.167.60 217.42.167.61 217.42.167.62 217.42.167.63 217.42.167.64 217.42.167.65 217.42.167.66 217.42.167.67 217.42.167.68 217.42.167.69 217.42.167.70 217.42.167.71 217.42.167.72 217.42.167.73 217.42.167.74 217.42.167.75 217.42.167.76 217.42.167.77 217.42.167.78 217.42.167.79 217.42.167.80 217.42.167.81 217.42.167.82 217.42.167.83 217.42.167.84 217.42.167.85 217.42.167.86 217.42.167.87 217.42.167.88 217.42.167.89 217.42.167.90 217.42.167.91 217.42.167.92 217.42.167.93 217.42.167.94 217.42.167.95 217.42.167.96 217.42.167.97 217.42.167.98 217.42.167.99 217.42.167.100 217.42.167.101 217.42.167.102 217.42.167.103 217.42.167.104 217.42.167.105 217.42.167.106 217.42.167.107 217.42.167.108 217.42.167.109 217.42.167.110 217.42.167.111 217.42.167.112 217.42.167.113 217.42.167.114 217.42.167.115 217.42.167.116 217.42.167.117 217.42.167.118 217.42.167.119 217.42.167.120 217.42.167.121 217.42.167.122 217.42.167.123 217.42.167.124 217.42.167.125 217.42.167.126 217.42.167.127

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 217.32.0.0/12.

Announced prefix
217.32.0.0/12
Origin AS
AS2856
Announcement samples
4,576
Last seen
2026-07-19 13:07:01

Frequently Asked Questions

What is 217.42.167.0/25?

217.42.167.0/25 is a CIDR network block containing 128 IPv4 addresses (from 217.42.167.0 to 217.42.167.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 217.42.167.0/25 network?

The 217.42.167.0/25 range is allocated to British Telecommunications PLC and announced via AS2856 from United Kingdom.

How many IP addresses are in 217.42.167.0/25?

217.42.167.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-07-19 14:10:34 UTC
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