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 (37y) +6
- Enterprise allocation +4
- Trust score 75 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 43.90.0.0/15
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 43.90.0.0/16 | 65.5K | Alibaba US Technology Co., Ltd. | AS45102 | HK |
| 43.90.0.0/16 | 65.5K | Alibaba US Technology Co., Ltd. | AS45102 | SG |
| 43.90.0.0/16 | 65.5K | Alibaba US Technology Co., Ltd. | AS45102 | HK |
| 43.91.0.0/17 | 32.8K | Alibaba US Technology Co., Ltd. | AS45102 | BR |
| 43.91.0.0/17 | 32.8K | Alibaba US Technology Co., Ltd. | AS45102 | SG |
| 43.91.0.0/17 | 32.8K | Alibaba US Technology Co., Ltd. | AS45102 | BR |
| 43.91.128.0/17 | 32.8K | Alibaba US Technology Co., Ltd. | AS45102 | SA |
| 43.91.128.0/17 | 32.8K | Alibaba US Technology Co., Ltd. | AS45102 | SG |
| 43.91.128.0/17 | 32.8K | Alibaba US Technology Co., Ltd. | AS45102 | SA |
First and last addresses in 43.90.0.0/15
43.90.0.0/15 runs from 43.90.0.0 to 43.91.255.255.
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | SG |
Frequently Asked Questions
What is 43.90.0.0/15?
43.90.0.0/15 is a CIDR network block containing 131,072 IPv4 addresses (from 43.90.0.0 to 43.91.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 43.90.0.0/15 network?
The 43.90.0.0/15 range is allocated to Alibaba US Technology Co., Ltd. and announced via AS45102 from Singapore.
