Here's a useful tool/site:
You can feed it an ip address to get an AS ("Autonomous System"), then ask it for all prefixes associated with that AS.
I fed it that first ip address from that list (43.131.0.0) and it showed my the same Tencent owned AS132203, and it gives back all the prefixes they have here:
https://bgp.tools/as/132203#prefixes
(Looks like roguebloodrage might have missed at least the 1.12.x.x and 1.201.x.x prefixes?)
I started searching about how to do that after reading a RachelByTheBay post where she wrote:
Enough bad behavior from a host -> filter the host.
Enough bad hosts in a netblock -> filter the netblock.
Enough bad netblocks in an AS -> filter the AS. Think of it as an "AS death penalty", if you like.
(from the last part of https://rachelbythebay.com/w/2025/06/29/feedback/ )