Addresses
2,048
2.0K
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 2.0K 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 (29y) +6
- Isp allocation +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 133.157.24.0/21
133.157.24.0/21 runs from 133.157.24.0 to 133.157.31.255.
First 16
133.157.24.0
133.157.24.1
133.157.24.2
133.157.24.3
133.157.24.4
133.157.24.5
133.157.24.6
133.157.24.7
133.157.24.8
133.157.24.9
133.157.24.10
133.157.24.11
133.157.24.12
133.157.24.13
133.157.24.14
133.157.24.15
Last 16
Frequently Asked Questions
What is 133.157.24.0/21?
133.157.24.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 133.157.24.0 to 133.157.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 133.157.24.0/21 network?
The 133.157.24.0/21 range is allocated to Hydra Communications Ltd and announced via AS58325 from Japan.
Last updated: 2026-11-13 10:54:05 UTC
