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CIDR Range

213.87.99.100/31

Addresses
2
2
Sub-ranges
0+
within this block
PTR Density
100.0%
2 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.

68/100
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 2 IP addresses in 213.87.99.100/31

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
229
Last seen
2026-07-23 19:36:10

Frequently Asked Questions

What is 213.87.99.100/31?

213.87.99.100/31 is a CIDR network block containing 2 IPv4 addresses (from 213.87.99.100 to 213.87.99.101). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 213.87.99.100/31 network?

The 213.87.99.100/31 range is allocated to MTS PJSC and announced via AS8359 from Russia.

How many IP addresses are in 213.87.99.100/31?

213.87.99.100/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-07-24 08:40:31 UTC
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