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.
- Baseline (neutral) 65
- Long-established allocation (23y) +6
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 81 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 81.172.136.0/23
81.172.136.0/23 runs from 81.172.136.0 to 81.172.137.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 81.172.128.0/17.
Frequently Asked Questions
What is 81.172.136.0/23?
81.172.136.0/23 is a CIDR network block containing 512 IPv4 addresses (from 81.172.136.0 to 81.172.137.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 81.172.136.0/23 network?
The 81.172.136.0/23 range is allocated to DELTA Fiber Nederland B.V. and announced via AS15435 from The Netherlands.
