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CIDR Range

213.57.8.0/21

Addresses
2,048
2.0K
Sub-ranges
0+
within this block
PTR Density
0.3%
6 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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 213.57.8.0/21

213.57.8.0/21 runs from 213.57.8.0 to 213.57.15.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 213.57.0.0/16.

Announced prefix
Origin AS
Announcement samples
16,096
Last seen
2026-11-03 21:03:05

Frequently Asked Questions

What is 213.57.8.0/21?

213.57.8.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 213.57.8.0 to 213.57.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 213.57.8.0/21 network?

The 213.57.8.0/21 range is allocated to Hot-Net internet services Ltd. and announced via AS12849 from Israel.

Last updated: 2026-11-03 21:09:06 UTC
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