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CIDR Range

2.136.102.78/31

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 2 IP addresses in 2.136.102.78/31

Not announced as an exact prefix — covered by the announced supernet 2.136.0.0/16.

Announced prefix
Origin AS
Announcement samples
4,919
Last seen
2026-07-19 15:52:07

Frequently Asked Questions

What is 2.136.102.78/31?

2.136.102.78/31 is a CIDR network block containing 2 IPv4 addresses (from 2.136.102.78 to 2.136.102.79). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 2.136.102.78/31 network?

The 2.136.102.78/31 range is allocated to Telefonica De Espana S.a.u. and announced via AS3352 from Spain.

How many IP addresses are in 2.136.102.78/31?

2.136.102.78/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-07-19 15:55:32 UTC
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