Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
100.0%
4.1K of 4.1K 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
- Baseline (neutral) 65
- Long-established allocation (16y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First 256 of 4,096 IP addresses in 2.136.16.0/20
2.136.16.0
2.136.16.1
2.136.16.2
2.136.16.3
2.136.16.4
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2.136.16.252
2.136.16.253
2.136.16.254
2.136.16.255
+ 3.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 2.136.0.0/16.
Frequently Asked Questions
What is 2.136.16.0/20?
2.136.16.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 2.136.16.0 to 2.136.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 2.136.16.0/20 network?
The 2.136.16.0/20 range is allocated to Telefonica De Espana S.a.u. and announced via AS3352 from Spain.
Last updated: 2026-07-19 20:10:34 UTC
