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CIDR Range

212.74.78.0/23

Addresses
512
512
Sub-ranges
9+
within this block
PTR Density
52.9%
271 of 512 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.

80/100
Trusted
How this score is built

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

Ranges inside 212.74.78.0/23

First and last addresses in 212.74.78.0/23

212.74.78.0/23 runs from 212.74.78.0 to 212.74.79.255.

First 16
Last 16

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 New Allocation — GB

Frequently Asked Questions

What is 212.74.78.0/23?

212.74.78.0/23 is a CIDR network block containing 512 IPv4 addresses (from 212.74.78.0 to 212.74.79.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 212.74.78.0/23 network?

The 212.74.78.0/23 range is allocated to COLT Technology Services Group Limited and announced via AS8220 from United Kingdom.

Last updated: 2026-11-01 00:54:06 UTC
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