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 (19y) +6
- Enterprise allocation +4
- Trust score 75 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
All 1 IP addresses in 123.57.103.4/32
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 123.56.0.0/15.
Frequently Asked Questions
What is 123.57.103.4/32?
123.57.103.4/32 is a CIDR network block containing 1 IPv4 addresses (from 123.57.103.4 to 123.57.103.4). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 123.57.103.4/32 network?
The 123.57.103.4/32 range is allocated to Hangzhou Alibaba Advertising Co.,Ltd. and announced via AS37963 from China.
How many IP addresses are in 123.57.103.4/32?
123.57.103.4/32 contains exactly 1 usable IPv4 addresses. A /32 prefix length means 1 addresses are covered by this single routing entry.
