Skip to main content
CIDR Range

77.237.51.248/30

Addresses
4
4
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 4 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

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 4 IP addresses in 77.237.51.248/30

Not announced as an exact prefix — covered by the announced supernet 77.237.48.0/21.

Announced prefix
Origin AS
Announcement samples
236,790
Last seen
2026-07-23 22:59:28

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation AT

Frequently Asked Questions

What is 77.237.51.248/30?

77.237.51.248/30 is a CIDR network block containing 4 IPv4 addresses (from 77.237.51.248 to 77.237.51.251). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 77.237.51.248/30 network?

The 77.237.51.248/30 range is allocated to Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH and announced via AS1764 from Austria.

How many IP addresses are in 77.237.51.248/30?

77.237.51.248/30 contains exactly 4 usable IPv4 addresses. A /30 prefix length means 4 addresses are covered by this single routing entry.

Last updated: 2026-07-23 23:10:33 UTC
Share