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 (21y) +6
- Has a reverse-DNS (PTR) record +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 87.123.31.0/24
87.123.31.0/24 runs from 87.123.31.0 to 87.123.31.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 87.123.0.0/19.
Frequently Asked Questions
What is 87.123.31.0/24?
87.123.31.0/24 is a CIDR network block containing 256 IPv4 addresses (from 87.123.31.0 to 87.123.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 87.123.31.0/24 network?
The 87.123.31.0/24 range is allocated to 1&1 Versatel GmbH and announced via AS8881 from Germany.
How many IP addresses are in 87.123.31.0/24?
87.123.31.0/24 contains exactly 256 usable IPv4 addresses. A /24 prefix length means 256 addresses are covered by this single routing entry.
