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 (24y) +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 220.42.0.0/20
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 220.42.0.0/22 | 1.0K | ZSCALER, INC. | AS22616 | CH |
| 220.42.8.0/22 | 1.0K | ZSCALER, INC. | AS22616 | CH |
| 220.42.12.0/22 | 1.0K | ZSCALER, INC. | AS22616 | CH |
| 220.42.4.0/23 | 512 | ZSCALER, INC. | AS22616 | CH |
| 220.42.6.0/24 | 256 | ZSCALER, INC. | AS22616 | CH |
| 220.42.7.0/24 | 256 | ZSCALER, INC. | AS22616 | CH |
First and last addresses in 220.42.0.0/20
220.42.0.0/20 runs from 220.42.0.0 to 220.42.15.255.
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 220.42.0.0/16.
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 | — | CH |
Frequently Asked Questions
What is 220.42.0.0/20?
220.42.0.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 220.42.0.0 to 220.42.15.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 220.42.0.0/20 network?
The 220.42.0.0/20 range is allocated to ZSCALER, INC. and announced via AS22616 from United States.
