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 (15y) +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
First and last addresses in 39.101.0.0/16
39.101.0.0/16 runs from 39.101.0.0 to 39.101.255.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 39.100.0.0/14.
Frequently Asked Questions
What is 39.101.0.0/16?
39.101.0.0/16 is a CIDR network block containing 65,536 IPv4 addresses (from 39.101.0.0 to 39.101.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 39.101.0.0/16 network?
The 39.101.0.0/16 range is allocated to Hangzhou Alibaba Advertising Co.,Ltd. and announced via AS37963 from China.
