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 (17y) +6
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Trust score 80 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
All 2 IP addresses in 212.121.121.42/31
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 212.121.96.0/19.
Frequently Asked Questions
What is 212.121.121.42/31?
212.121.121.42/31 is a CIDR network block containing 2 IPv4 addresses (from 212.121.121.42 to 212.121.121.43). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 212.121.121.42/31 network?
The 212.121.121.42/31 range is allocated to Routit BV and announced via AS28685 from The Netherlands.
How many IP addresses are in 212.121.121.42/31?
212.121.121.42/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.