User Agent String.Com 

User Agent String explained :

ia_archiver 8.2
ia_archiver	Name : ia_archiver
8.2	ia_archiver version
Windows 7.6	Operating System:
en-US	Language Tag, indicates the language for which the client had been localized (e.g. menus and buttons in the user interface) en-US = English - United States
Description:	Alexa Web crawler
First visit:	2011.01.05 04:13
Last visit:	2021.03.22 10:19
IP address and host name	114.255.40.48 - 114.255.40.48 163.172.136.101 - tor.ohundred.com 163.172.170.212 - tor-exit-node-readme.liberty.org.il 163.172.209.74 - kvm.hypervm.tk 178.17.171.93 - moldova.nicknode.pw 185.100.86.244 - finland.nicknode.pw 185.220.102.4 - 185.220.102.4 191.96.249.110 - 191.96.249.110 193.90.12.87 - tor-2.multisec.no 212.47.253.151 - dylan.exit.torworld.org 31.19.158.50 - ip1f139e32.dynamic.kabel-deutschland.de 37.187.85.172 - 172.ip-37-187-85.eu 46.165.233.59 - 46.165.233.59 46.166.148.143 - 46.166.148.143 51.15.39.2 - daphne.exit.torworld.org 51.15.40.233 - cheeki-breeki.oignon.ovh 62.141.55.117 - ns2.tor-exit.keyweb.de.daknob.net 62.210.81.52 - s89-paris.cloud-center.ro 65.19.167.130 - 65.19.167.130 77.247.181.162 - chomsky.torservers.net 92.27.26.29 - host-92-27-26-29.static.as13285.net
All ia_archiver user agent strings