Skip to main content
CIDR Range

217.107.81.182/31

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.

76/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 2 IP addresses in 217.107.81.182/31

Not announced as an exact prefix — covered by the announced supernet 217.107.64.0/18.

Announced prefix
Origin AS
Announcement samples
12,631
Last seen
2026-10-13 18:03:36

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 — RU

Frequently Asked Questions

What is 217.107.81.182/31?

217.107.81.182/31 is a CIDR network block containing 2 IPv4 addresses (from 217.107.81.182 to 217.107.81.183). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 217.107.81.182/31 network?

The 217.107.81.182/31 range is allocated to Rostelecom and announced via AS12389 from Russia.

How many IP addresses are in 217.107.81.182/31?

217.107.81.182/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-10-13 18:24:05 UTC
Share