Robtex

Up: 212.1.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 212.1.128.0/19
Down right: 212.1.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.1.128.0	PTR	212-1-128-0.dynamic.dsl.as9105.com
212.1.128.1	PTR	212-1-128-1.dynamic.dsl.as9105.com
212.1.128.3	PTR	212-1-128-3.dynamic.dsl.as9105.com
212.1.130.1	A+PTR	smtp-1.visp.telinco.net
212.1.130.32	A	backupmx.emas.org.uk
212.1.130.32	A	backupmx.cactushop.co.uk
212.1.130.32	A	mail2.virtuaffinity.net
212.1.130.65	PTR	www.highlandaccess.co.uk
212.1.130.68	PTR	box.vossnet.co.uk
212.1.130.69	A	eliteisp.co.uk
212.1.130.80	A	chel-fm-1.switch.telinco.net
212.1.130.101	A	t6-visp.186k.co.uk
212.1.130.101	A	visp.telinco.net
212.1.130.138	A	pop3-1.visp.telinco.net
212.1.130.144	A	mail.peoplesjobs.net
212.1.130.144	A	mail.polesworthabbey.co.uk
212.1.130.144	A	mail.peoplesbrand.com
212.1.133.3	PTR	cvx-3.access.telinco.net
212.1.134.98	A	chel-scud.switch.telinco.net
212.1.136.1	A+PTR	dial-212-1-136-1.dynamic.dsl.as9105.com
212.1.136.3	A+PTR	dial-212-1-136-3.dynamic.dsl.as9105.com
212.1.136.4	PTR	dial-212-1-136-4.dynamic.dsl.as9105.com
212.1.136.7	A	dial-212-1-136-7.dynamic.dsl.as9105.com
212.1.136.9	A	dial-212-1-136-9.dynamic.dsl.as9105.com
212.1.137.1	A+PTR	dial-212-1-137-1.dynamic.dsl.as9105.com
212.1.137.2	A	dial-212-1-137-2.dynamic.dsl.as9105.com
212.1.137.173	A	dial-212-1-137-173.dynamic.dsl.as9105.com
212.1.138.1	A	dial-212-1-138-1.dynamic.dsl.as9105.com
212.1.138.2	A	dial-212-1-138-2.dynamic.dsl.as9105.com
212.1.138.8	A	dial-212-1-138-8.dynamic.dsl.as9105.com
212.1.138.9	A	dial-212-1-138-9.dynamic.dsl.as9105.com
212.1.139.2	PTR	dial-212-1-139-2.dynamic.dsl.as9105.com
212.1.139.3	PTR	dial-212-1-139-3.dynamic.dsl.as9105.com
212.1.140.8	A	212-1-140-8.dynamic.dsl.as9105.com
212.1.140.9	A	212-1-140-9.dynamic.dsl.as9105.com
212.1.140.27	A	212-1-140-27.dynamic.dsl.as9105.com
212.1.141.6	A	212-1-141-6.dynamic.dsl.as9105.com
212.1.143.233	A	212-1-143-233.dynamic.dsl.as9105.com
212.1.144.1	PTR	212-1-144-1.dynamic.dsl.as9105.com
212.1.144.4	A	212-1-144-4.dynamic.dsl.as9105.com
212.1.144.12	A	r1.sn-u5a3u5a3-aigs.googlevideo.com
212.1.144.12	A	r1.sn-u5a3u5a3-aigs.gvt1.com
212.1.144.12	A	212-1-144-12.dynamic.dsl.as9105.com
212.1.144.68	A	212-1-144-68.dynamic.dsl.as9105.com
212.1.144.76	A	r1---sn-u5a3u5a3-aigz.googlevideo.com
212.1.144.76	A	r1.sn-u5a3u5a3-aigz.googlevideo.com
212.1.144.77	A	r2---sn-u5a3u5a3-aigz.googlevideo.com
212.1.144.140	A	r1---sn-u5a3u5a3-cgnd.googlevideo.com
212.1.144.140	A	r1.sn-u5a3u5a3-cgnd.gvt1.com
212.1.144.140	A	r1---sn-u5a3u5a3-cgnd.gvt1.com
212.1.144.204	A	r1.sn-u5a3u5a3-h5oee.googlevideo.com
212.1.144.204	A	r1.sn-u5a3u5a3-h5oee.gvt1.com
212.1.144.205	A	r2.sn-u5a3u5a3-h5oee.googlevideo.com
212.1.144.206	A	r3.sn-u5a3u5a3-h5oee.googlevideo.com
212.1.145.0	A	212-1-145-0.dynamic.dsl.as9105.com
212.1.145.3	A+PTR	212-1-145-3.dynamic.dsl.as9105.com
212.1.145.6	A	212-1-145-6.dynamic.dsl.as9105.com
212.1.145.26	A	212-1-145-26.dynamic.dsl.as9105.com
212.1.147.0	A	212-1-147-0.dynamic.dsl.as9105.com
212.1.147.2	PTR	212-1-147-2.dynamic.dsl.as9105.com
212.1.147.4	A	212-1-147-4.dynamic.dsl.as9105.com
212.1.147.6	A	212-1-147-6.dynamic.dsl.as9105.com
212.1.148.1	PTR	212-1-148-1.dynamic.dsl.as9105.com
212.1.148.3	A	212-1-148-3.dynamic.dsl.as9105.com
212.1.148.4	A	212-1-148-4.dynamic.dsl.as9105.com
212.1.149.0	PTR	212-1-149-0.dynamic.dsl.as9105.com
212.1.149.194	PTR	212-1-149-194.dynamic.dsl.as9105.com
212.1.150.3	A+PTR	212-1-150-3.dynamic.dsl.as9105.com
212.1.150.6	A	212-1-150-6.dynamic.dsl.as9105.com
212.1.152.2	PTR	212-1-152-2.dynamic.dsl.as9105.com
212.1.154.3	A+PTR	212-1-154-3.dynamic.dsl.as9105.com
212.1.154.4	A	212-1-154-4.dynamic.dsl.as9105.com
212.1.155.0	A	212-1-155-0.dynamic.dsl.as9105.com
212.1.155.1	A	212-1-155-1.dynamic.dsl.as9105.com
212.1.155.3	A	212-1-155-3.dynamic.dsl.as9105.com
212.1.157.0	PTR	212-1-157-0.dynamic.dsl.as9105.com
212.1.158.1	A+PTR	212-1-158-1.dynamic.dsl.as9105.com
212.1.158.3	A+PTR	212-1-158-3.dynamic.dsl.as9105.com
212.1.158.9	A	212-1-158-9.dynamic.dsl.as9105.com
212.1.160.1	A+PTR	frswgate01a.usi.net
212.1.160.12	A	ns7.usi.net
212.1.160.20	A	ins7.usi.net
212.1.160.106	A	isuain04.usi.net
212.1.160.123	A+PTR	isuanc02.usi.net
212.1.160.125	A	isuain02.usi.net
212.1.160.165	A	isuajs01.usi.net
212.1.161.4	A+PTR	frnxfj01a_reth0.usi.net
212.1.161.20	PTR	frnxafh03a-eth1-cluster.usi.net
212.1.161.20	A+PTR	ins8.usi.net
212.1.191.5	A	nls3aah02.usi.net
212.1.191.6	A	nlsuawa01.usi.net
212.1.191.9	A+PTR	nlsuawa01-vip3.usi.net
212.1.191.24	A	nlsuawa01-vip15.usi.net
212.1.191.163	A	amsuawa01.usi.net