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CIDR Range

81.220.68.202/31

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.

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 2 IP addresses in 81.220.68.202/31

Not announced as an exact prefix — covered by the announced supernet 81.220.68.0/24.

Announced prefix
Origin AS
Announcement samples
2,780
Last seen
2026-06-01 09:09:33

Frequently Asked Questions

What is 81.220.68.202/31?

81.220.68.202/31 is a CIDR network block containing 2 IPv4 addresses (from 81.220.68.202 to 81.220.68.203). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 81.220.68.202/31 network?

The 81.220.68.202/31 range is allocated to Societe Francaise Du Radiotelephone - SFR SA and announced via AS15557 from France.

How many IP addresses are in 81.220.68.202/31?

81.220.68.202/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-09-11 05:26:08 UTC
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