Robtex

Up: 64.34.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.34.12.0/23
Down right: 64.34.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.34.12.146	A	mail.alphafs.com
64.34.12.147	PTR	spam4-nyc.smarsh.com
64.34.12.162	PTR	spam8-nyc.smarsh.com
64.34.14.6	A	mail.dlttechnosys.org
64.34.14.7	A	ejpmw.com
64.34.14.7	A	duczr.com
64.34.14.7	A	xxqh.net
64.34.14.9	A	mail.alika164.biz
64.34.14.11	PTR	isalinux.intercom.com
64.34.14.11	A	mail.doulascare.info
64.34.14.11	A	mail.rasikadasi.com
64.34.14.12	A	mail.sevateams.com
64.34.14.12	A	mail.cintamanistudios.info
64.34.14.12	A	mail.harikatha.net
64.34.14.20	A+PTR	mail.bagpakmusic.com
64.34.14.21	PTR	mail.bagpakmusic.com
64.34.14.21	A	newisalinux.intercomonline.com
64.34.14.21	A	gauravani.info
64.34.14.23	PTR	mail.bagpakmusic.com
64.34.14.29	A	bringmeongoogle.biz
64.34.14.29	A	mail.bringmeongoogle.biz
64.34.14.30	PTR	thewarehousesa.biz
64.34.14.30	A	mail.thewarehousesa.biz
64.34.14.31	PTR	serv1.defineserv.org
64.34.14.42	A+PTR	devglobal.org
64.34.14.50	A	ns2.trinocon.com
64.34.14.50	A	ns1.trinocon.com
64.34.14.50	A	trinocon.com
64.34.14.51	PTR	mail.lateliernyc.com
64.34.14.51	A	smtp.lateliernyc.com
64.34.14.60	A	confase.us
64.34.14.60	A	domelectrics.us
64.34.14.60	A	buymyname.us
64.34.14.106	A	1-live-cdn-ygo.yugioh-bam.com
64.34.14.112	A	co.cache.peer1.net
64.34.14.116	A	cdn.lakequincy.com
64.34.14.116	A	s1.lqcdn.com
64.34.15.5	PTR	brlaw2.mha.ca
64.34.15.12	PTR	undefined.hostname.localhost
64.34.15.16	PTR	mailcon.storefront.com
64.34.15.22	PTR	pp-fw.mha.ca
64.34.15.29	PTR	undefined.hostname.localhost
64.34.15.33	PTR	fulfillmentws.storefront.com
64.34.15.34	PTR	mha.ca
64.34.15.35	PTR	storefront.com
64.34.15.35	A	photokiosk.org
64.34.15.35	A	hostmaster.photokiosk.com
64.34.15.48	PTR	walgreens.storefront.com
64.34.15.57	PTR	silverlab.storefront.com
64.34.15.91	PTR	www.investmentpitch.com
64.34.15.92	A	wpdev.photocloud.ca
64.34.15.103	PTR	undefined.hostname.localhost
64.34.15.108	PTR	undefined.hostname.localhost
64.34.15.141	PTR	undefined.hostname.localhost
64.34.15.153	PTR	undefined.hostname.localhost
64.34.15.157	PTR	undefined.hostname.localhost
64.34.15.173	PTR	undefined.hostname.localhost
64.34.15.177	PTR	undefined.hostname.localhost
64.34.15.188	PTR	undefined.hostname.localhost