Comment by dpifke

Per WHOIS, it's assigned to Alibaba Cloud (could be a VM there):

  inetnum:        139.224.0.0 - 139.224.255.255
  netname:        ALISOFT
  descr:          Aliyun Computing Co., LTD
  descr:          5F, Builing D, the West Lake International Plaza of S&T
  descr:          No.391 Wen'er Road, Hangzhou, Zhejiang, China, 310099
  country:        CN
  admin-c:        ZM1015-AP
  tech-c:         ZM877-AP
  tech-c:         ZM876-AP
  tech-c:         ZM875-AP
  abuse-c:        AC1601-AP
  status:         ALLOCATED PORTABLE
  mnt-by:         MAINT-CNNIC-AP
  mnt-irt:        IRT-ALISOFT-CN
  last-modified:  2023-11-28T00:57:06Z
  source:         APNIC