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CIDR Range

212.181.4.0/25

Addresses
128
128
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 212.181.4.0/25

212.181.4.0 212.181.4.1 212.181.4.2 212.181.4.3 212.181.4.4 212.181.4.5 212.181.4.6 212.181.4.7 212.181.4.8 212.181.4.9 212.181.4.10 212.181.4.11 212.181.4.12 212.181.4.13 212.181.4.14 212.181.4.15 212.181.4.16 212.181.4.17 212.181.4.18 212.181.4.19 212.181.4.20 212.181.4.21 212.181.4.22 212.181.4.23 212.181.4.24 212.181.4.25 212.181.4.26 212.181.4.27 212.181.4.28 212.181.4.29 212.181.4.30 212.181.4.31 212.181.4.32 212.181.4.33 212.181.4.34 212.181.4.35 212.181.4.36 212.181.4.37 212.181.4.38 212.181.4.39 212.181.4.40 212.181.4.41 212.181.4.42 212.181.4.43 212.181.4.44 212.181.4.45 212.181.4.46 212.181.4.47 212.181.4.48 212.181.4.49 212.181.4.50 212.181.4.51 212.181.4.52 212.181.4.53 212.181.4.54 212.181.4.55 212.181.4.56 212.181.4.57 212.181.4.58 212.181.4.59 212.181.4.60 212.181.4.61 212.181.4.62 212.181.4.63 212.181.4.64 212.181.4.65 212.181.4.66 212.181.4.67 212.181.4.68 212.181.4.69 212.181.4.70 212.181.4.71 212.181.4.72 212.181.4.73 212.181.4.74 212.181.4.75 212.181.4.76 212.181.4.77 212.181.4.78 212.181.4.79 212.181.4.80 212.181.4.81 212.181.4.82 212.181.4.83 212.181.4.84 212.181.4.85 212.181.4.86 212.181.4.87 212.181.4.88 212.181.4.89 212.181.4.90 212.181.4.91 212.181.4.92 212.181.4.93 212.181.4.94 212.181.4.95 212.181.4.96 212.181.4.97 212.181.4.98 212.181.4.99 212.181.4.100 212.181.4.101 212.181.4.102 212.181.4.103 212.181.4.104 212.181.4.105 212.181.4.106 212.181.4.107 212.181.4.108 212.181.4.109 212.181.4.110 212.181.4.111 212.181.4.112 212.181.4.113 212.181.4.114 212.181.4.115 212.181.4.116 212.181.4.117 212.181.4.118 212.181.4.119 212.181.4.120 212.181.4.121 212.181.4.122 212.181.4.123 212.181.4.124 212.181.4.125 212.181.4.126 212.181.4.127

Not announced as an exact prefix — covered by the announced supernet 212.181.0.0/16.

Announced prefix
Origin AS
Announcement samples
6,085
Last seen
2026-07-23 14:36:25

Frequently Asked Questions

What is 212.181.4.0/25?

212.181.4.0/25 is a CIDR network block containing 128 IPv4 addresses (from 212.181.4.0 to 212.181.4.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 212.181.4.0/25 network?

The 212.181.4.0/25 range is allocated to Telia Company AB and announced via AS3301 from Sweden.

How many IP addresses are in 212.181.4.0/25?

212.181.4.0/25 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 14:40:31 UTC
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