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CIDR Range

77.83.39.12/31

Addresses
2
2
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 2 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.

56/100
Caution
How this score is built

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

Geolocation

All 2 IP addresses in 77.83.39.12/31

Not announced as an exact prefix — covered by the announced supernet 77.83.39.0/24.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
32,309
Last seen
2026-08-12 20:19:06

Frequently Asked Questions

What is 77.83.39.12/31?

77.83.39.12/31 is a CIDR network block containing 2 IPv4 addresses (from 77.83.39.12 to 77.83.39.13). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 77.83.39.12/31 network?

The 77.83.39.12/31 range is allocated to Pfcloud UG (haftungsbeschrankt) and announced via AS51396 from Ukraine.

How many IP addresses are in 77.83.39.12/31?

77.83.39.12/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-09-10 18:11:07 UTC
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