看到 Apache access_log 有固定的 bot 定期 download，浪費敝站的頻寬。猜測 baidu 有可能是為了突破封鎖，與 EGIHosting 這家合作？

172.252.180.74 - - [25/Jan/2017:09:23:55  0800] "GET /ogg-win32.7z HTTP/1.1" 200 4348363 "http://www.baidu.com" "Mozilla/4.0 (compatible; MSIE 9.0; Windows NT 6.1)"

 

$ whois 172.252.180.74

NetRange: 172.252.0.0 - 172.252.255.255
CIDR: 172.252.0.0/16
NetName: EGNL-1
NetHandle: NET-172-252-0-0-1
Parent: NET172 (NET-172-0-0-0-0)
NetType: Direct Allocation
OriginAS: AS18779
Organization: EGIHosting (EGNL-1)
RegDate: 2013-04-04
Updated: 2013-04-04
Ref: https://whois.arin.net/rest/net/NET-172-252-0-0-1

OrgName: EGIHosting
OrgId: EGNL-1
Address: 55 S. Market St.
Address: Suite 1616
City: San Jose
StateProv: CA
PostalCode: 95113
Country: US