Recommended merchants that provide free DDOS protection

This is mainly based on the recommendations of group members and the summary of usage experience. There are many omissions, so please feel free to add to it.

1. SpartanHost
A stable American hosting provider, providing VPS and dedicated servers in two data centers in Seattle and Dallas. The DDOS protection provided in Seattle is: 20Gb/s TCP – burst up to 40Gb/s – provided by CNServers, and the DDOS protection provided in Dallas is: 10 Gb/s DDoS Protection against TCP + UDP attacks.
Test IP: Seattle: 104.37.29.141, Dallas: 104.194.219.3

2. DeinServerHost
A German hosting provider, founded in 2013, mainly provides German hosting services. The DDOS protection provided by its hosts is provided by Voxility and Combahton respectively, among which Voxility has the best DDOS protection effect.
Test IP: Germany (Combahton): 5.1.81.28, Germany (Voxility): 31.214.240.40

3. CloudCone
The products provided by this American hosting provider are all located in the MultaCom data center in Los Angeles. Its free DDOS protection is: 500Gb/s On Demand Anti-DDoS Protection via Voxility. It also provides paid DDOS protection services at $2 per month.
Test IP: Los Angeles: 173.82.2.222

4. MivoCloud
Moldovan hosting provider with its own data center, RIPE NCC member, Voxility DDoS protection.
Test IP: 185.163.45.118

5. KMS-Hosting
A German hosting provider with its own AS number (AS30823), 10Gbit unlimited traffic, and 250 Gbit/s DDOS protection.
Test IP: 89.33.16.16

6. DataWagon
A US hosting provider with its own ASN (AS27176), 80Gbps / 60mpps DDoS protection.
Test IP: 104.192.1.98

To be supplemented. . .