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CIDR Range

133.203.244.0/25

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 133.203.244.0/25

133.203.244.0 133.203.244.1 133.203.244.2 133.203.244.3 133.203.244.4 133.203.244.5 133.203.244.6 133.203.244.7 133.203.244.8 133.203.244.9 133.203.244.10 133.203.244.11 133.203.244.12 133.203.244.13 133.203.244.14 133.203.244.15 133.203.244.16 133.203.244.17 133.203.244.18 133.203.244.19 133.203.244.20 133.203.244.21 133.203.244.22 133.203.244.23 133.203.244.24 133.203.244.25 133.203.244.26 133.203.244.27 133.203.244.28 133.203.244.29 133.203.244.30 133.203.244.31 133.203.244.32 133.203.244.33 133.203.244.34 133.203.244.35 133.203.244.36 133.203.244.37 133.203.244.38 133.203.244.39 133.203.244.40 133.203.244.41 133.203.244.42 133.203.244.43 133.203.244.44 133.203.244.45 133.203.244.46 133.203.244.47 133.203.244.48 133.203.244.49 133.203.244.50 133.203.244.51 133.203.244.52 133.203.244.53 133.203.244.54 133.203.244.55 133.203.244.56 133.203.244.57 133.203.244.58 133.203.244.59 133.203.244.60 133.203.244.61 133.203.244.62 133.203.244.63 133.203.244.64 133.203.244.65 133.203.244.66 133.203.244.67 133.203.244.68 133.203.244.69 133.203.244.70 133.203.244.71 133.203.244.72 133.203.244.73 133.203.244.74 133.203.244.75 133.203.244.76 133.203.244.77 133.203.244.78 133.203.244.79 133.203.244.80 133.203.244.81 133.203.244.82 133.203.244.83 133.203.244.84 133.203.244.85 133.203.244.86 133.203.244.87 133.203.244.88 133.203.244.89 133.203.244.90 133.203.244.91 133.203.244.92 133.203.244.93 133.203.244.94 133.203.244.95 133.203.244.96 133.203.244.97 133.203.244.98 133.203.244.99 133.203.244.100 133.203.244.101 133.203.244.102 133.203.244.103 133.203.244.104 133.203.244.105 133.203.244.106 133.203.244.107 133.203.244.108 133.203.244.109 133.203.244.110 133.203.244.111 133.203.244.112 133.203.244.113 133.203.244.114 133.203.244.115 133.203.244.116 133.203.244.117 133.203.244.118 133.203.244.119 133.203.244.120 133.203.244.121 133.203.244.122 133.203.244.123 133.203.244.124 133.203.244.125 133.203.244.126 133.203.244.127

Not announced as an exact prefix — covered by the announced supernet 133.200.0.0/14.

Announced prefix
Origin AS
Announcement samples
5,079
Last seen
2026-07-23 09:37:01

Frequently Asked Questions

What is 133.203.244.0/25?

133.203.244.0/25 is a CIDR network block containing 128 IPv4 addresses (from 133.203.244.0 to 133.203.244.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 133.203.244.0/25 network?

The 133.203.244.0/25 range is allocated to BIGLOBE Inc. and announced via AS2518 from Japan.

How many IP addresses are in 133.203.244.0/25?

133.203.244.0/25 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 09:55:31 UTC
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