Robtex

Up: 91.194.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 91.194.20.0/24
Down right: 91.194.21.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
91.194.20.10	A+PTR	mail01.sampo.fi
91.194.20.11	PTR	mail01.sampo.fi
91.194.20.13	PTR	mail01.sampo.fi
91.194.20.14	A	mail02.sampo.fi
91.194.20.19	A	secure.mandatumlife.fi
91.194.20.22	A	webmail.sampo.fi
91.194.20.35	A+PTR	smtpgw1.mandatumlife.fi
91.194.20.36	PTR	smtpgw1.mandatumlife.fi
91.194.20.37	A+PTR	smtpgw2.mandatumlife.fi
91.194.20.38	PTR	smtpgw2.mandatumlife.fi
91.194.20.67	A+PTR	sslvpn.suula.fi
91.194.21.10	PTR	mail01.sampo.fi
91.194.21.11	PTR	mail01.sampo.fi
91.194.21.13	PTR	mail01.sampo.fi
91.194.21.37	A	kalevavakuutus.fi
91.194.21.37	A	www.kalevavakuutus.fi
91.194.21.40	A	elake.fi
91.194.21.50	A	mandatumtrader.fi
91.194.21.50	A	www.mandatumtrader.fi
91.194.21.53	PTR	www.rahatjahenki.com
91.194.21.53	PTR	mandatumlife.se
91.194.21.53	A	mandatum.email
91.194.21.57	PTR	www.mandatumlife.com
91.194.21.57	A	www.mandatum.net
91.194.21.57	A	www.mandatum.fi
91.194.21.69	A	innova.fi
91.194.21.69	A	www.innova.fi