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CIDR Range

146.90.128.0/18

Addresses
16,384
16.4K
Sub-ranges
50+
within this block
PTR Density
100.0%
16.4K of 16.4K 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 →

Ranges inside 146.90.128.0/18

CIDRIPsOrganizationASNCountry
146.90.142.0/23 512 British Telecommunications Limited AS6871 GB
146.90.148.0/23 512 British Telecommunications Limited AS6871 GB
146.90.174.0/23 512 British Telecommunications Limited AS6871 GB
146.90.154.0/23 512 British Telecommunications Limited AS6871 GB
146.90.184.0/23 512 British Telecommunications Limited AS6871 GB
146.90.168.0/23 512 British Telecommunications Limited AS6871 GB
146.90.147.0/24 256 British Telecommunications Limited AS6871 GB
146.90.145.0/24 256 British Telecommunications Limited AS6871 GB
146.90.128.0/24 256 British Telecommunications Limited AS6871 GB
146.90.160.0/24 256 British Telecommunications Limited AS6871 GB
146.90.179.0/24 256 British Telecommunications Limited AS6871 GB
146.90.156.0/24 256 British Telecommunications Limited AS6871 GB
146.90.157.0/24 256 British Telecommunications Limited AS6871 GB
146.90.172.0/24 256 British Telecommunications Limited AS6871 GB
146.90.171.0/24 256 British Telecommunications Limited AS6871 GB
146.90.170.0/24 256 British Telecommunications Limited AS6871 GB
146.90.167.0/24 256 British Telecommunications Limited AS6871 GB
146.90.165.0/24 256 British Telecommunications Limited AS6871 GB
146.90.151.0/24 256 British Telecommunications Limited AS6871 GB
146.90.140.0/24 256 British Telecommunications Limited AS6871 GB
146.90.182.0/24 256 British Telecommunications Limited AS6871 GB
146.90.189.0/24 256 British Telecommunications Limited AS6871 GB
146.90.135.0/24 256 British Telecommunications Limited AS6871 GB
146.90.132.0/24 256 British Telecommunications Limited AS6871 GB
146.90.186.0/24 256 British Telecommunications Limited AS6871 GB
146.90.137.0/24 256 British Telecommunications Limited AS6871 GB
146.90.130.0/24 256 British Telecommunications Limited AS6871 GB
146.90.188.128/25 128 British Telecommunications Limited AS6871 GB
146.90.191.128/25 128 British Telecommunications Limited AS6871 GB
146.90.166.0/25 128 British Telecommunications Limited AS6871 GB
146.90.173.128/25 128 British Telecommunications Limited AS6871 GB
146.90.173.0/25 128 British Telecommunications Limited AS6871 GB

First and last addresses in 146.90.128.0/18

146.90.128.0/18 runs from 146.90.128.0 to 146.90.191.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 146.90.0.0/16.

Announced prefix
Origin AS
Announcement samples
17,249
Last seen
2026-11-13 05:41:44

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 RIR Transfer arin ripe

Frequently Asked Questions

What is 146.90.128.0/18?

146.90.128.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 146.90.128.0 to 146.90.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 146.90.128.0/18 network?

The 146.90.128.0/18 range is allocated to British Telecommunications Limited and announced via AS6871 from United Kingdom.

Last updated: 2026-11-13 08:24:05 UTC
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