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CIDR Range

137.236.248.0/23

Addresses
512
512
Sub-ranges
0+
within this block
PTR Density
8.4%
43 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 →

Geolocation

First and last addresses in 137.236.248.0/23

137.236.248.0/23 runs from 137.236.248.0 to 137.236.249.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 137.236.0.0/16.

Announced prefix
Origin AS
Announcement samples
17,449
Last seen
2026-11-13 15:23:18

Frequently Asked Questions

What is 137.236.248.0/23?

137.236.248.0/23 is a CIDR network block containing 512 IPv4 addresses (from 137.236.248.0 to 137.236.249.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 137.236.248.0/23 network?

The 137.236.248.0/23 range is allocated to Open Text Corporation and announced via AS27495 from Canada.

Last updated: 2026-11-13 15:39:04 UTC
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