Robtex

Up: 27.111.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 27.111.12.0/23
Down right: 27.111.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.111.12.0	PTR	us0.2talk.com
27.111.12.3	A+PTR	us3.2talk.com
27.111.12.4	A+PTR	us4.2talk.com
27.111.12.4	A	ns2.2talk.com
27.111.12.16	A+PTR	mail.tlssip.com
27.111.12.59	PTR	us59.2talk.com
27.111.12.59	A	usa.mal.ma
27.111.12.81	A+PTR	mail.2talk.com
27.111.12.81	A	dlw1st.com
27.111.12.81	A	ns1.2talk.com
27.111.12.82	PTR	us82.2talk.com
27.111.12.82	A	www.2vfax.com
27.111.12.84	A	whitelabeltelco.com
27.111.12.85	PTR	us85.2talk.com
27.111.12.85	A	www.2talk.com
27.111.12.89	PTR	us89.2talk.com
27.111.12.89	A	www.2vfax.com
27.111.12.93	PTR	mail.tlssip.com
27.111.12.93	A	stun.2talk.com
27.111.12.168	PTR	us168.2talk.com
27.111.12.168	A	2talk.com
27.111.12.255	PTR	us255.2talk.com
27.111.13.0	PTR	27-111-13-0.2talk.com
27.111.13.1	PTR	27-111-13-1.2talk.com
27.111.13.3	PTR	27-111-13-3.2talk.com
27.111.13.3	A	ns4.2talk.co.nz
27.111.13.3	A	oz3.2talk.com
27.111.13.5	PTR	27-111-13-5.2talk.com
27.111.13.6	PTR	27-111-13-6.2talk.com
27.111.13.13	PTR	27-111-13-13.2talk.com
27.111.13.14	PTR	27-111-13-14.2talk.com
27.111.13.15	PTR	27-111-13-15.2talk.com
27.111.13.18	PTR	27-111-13-18.2talk.com
27.111.13.22	PTR	27-111-13-22.2talk.com
27.111.13.25	PTR	27-111-13-25.2talk.com
27.111.13.28	PTR	27-111-13-28.2talk.com
27.111.13.34	PTR	27-111-13-34.2talk.com
27.111.13.37	PTR	27-111-13-37.2talk.com
27.111.13.44	PTR	27-111-13-44.2talk.com
27.111.13.45	PTR	27-111-13-45.2talk.com
27.111.13.47	PTR	27-111-13-47.2talk.com
27.111.13.54	PTR	27-111-13-54.2talk.com
27.111.13.55	PTR	27-111-13-55.2talk.com
27.111.13.57	PTR	27-111-13-57.2talk.com
27.111.13.59	PTR	27-111-13-59.2talk.com
27.111.13.61	PTR	27-111-13-61.2talk.com
27.111.13.63	PTR	27-111-13-63.2talk.com
27.111.13.65	A	2talk.net.au
27.111.13.65	A	2talk.com.au
27.111.13.69	PTR	27-111-13-69.2talk.com
27.111.13.72	PTR	27-111-13-72.2talk.com
27.111.13.73	PTR	27-111-13-73.2talk.com
27.111.13.81	PTR	27-111-13-81.2talk.com
27.111.13.81	A	ns3.2talk.co.nz
27.111.13.88	PTR	27-111-13-88.2talk.com
27.111.13.95	PTR	27-111-13-95.2talk.com
27.111.13.97	PTR	27-111-13-97.2talk.com
27.111.13.103	PTR	27-111-13-103.2talk.com
27.111.13.108	PTR	27-111-13-108.2talk.com
27.111.13.109	PTR	27-111-13-109.2talk.com
27.111.13.113	PTR	27-111-13-113.2talk.com
27.111.13.116	PTR	27-111-13-116.2talk.com
27.111.13.119	PTR	27-111-13-119.2talk.com
27.111.13.121	PTR	27-111-13-121.2talk.com
27.111.13.122	PTR	27-111-13-122.2talk.com
27.111.13.125	PTR	27-111-13-125.2talk.com
27.111.13.126	PTR	27-111-13-126.2talk.com
27.111.13.127	PTR	27-111-13-127.2talk.com
27.111.13.150	PTR	27-111-13-150.2talk.com
27.111.13.152	PTR	27-111-13-152.2talk.com
27.111.13.158	PTR	27-111-13-158.2talk.com
27.111.13.161	PTR	27-111-13-161.2talk.com
27.111.13.162	PTR	27-111-13-162.2talk.com
27.111.13.164	PTR	27-111-13-164.2talk.com
27.111.13.166	PTR	27-111-13-166.2talk.com
27.111.13.172	PTR	27-111-13-172.2talk.com
27.111.13.175	PTR	27-111-13-175.2talk.com
27.111.13.177	PTR	27-111-13-177.2talk.com
27.111.13.177	A	ns2.2talk.com.au
27.111.13.177	A	www.2talk.com.au
27.111.13.178	A	telnet.net.au
27.111.13.180	PTR	27-111-13-180.2talk.com
27.111.13.181	PTR	27-111-13-181.2talk.com
27.111.13.181	A	mail.2talk.com.au
27.111.13.181	A	ns1.2talk.com.au
27.111.13.183	PTR	27-111-13-183.2talk.com
27.111.13.185	PTR	27-111-13-185.2talk.com
27.111.13.186	PTR	27-111-13-186.2talk.com
27.111.13.187	PTR	27-111-13-187.2talk.com
27.111.13.192	PTR	27-111-13-192.2talk.com
27.111.13.194	PTR	27-111-13-194.2talk.com
27.111.13.195	PTR	27-111-13-195.2talk.com
27.111.13.199	PTR	27-111-13-199.2talk.com
27.111.13.211	PTR	27-111-13-211.2talk.com
27.111.13.216	PTR	27-111-13-216.2talk.com
27.111.13.217	PTR	27-111-13-217.2talk.com
27.111.13.221	PTR	27-111-13-221.2talk.com
27.111.13.223	PTR	27-111-13-223.2talk.com
27.111.13.226	PTR	27-111-13-226.2talk.com
27.111.13.236	PTR	27-111-13-236.2talk.com
27.111.13.241	PTR	27-111-13-241.2talk.com
27.111.13.243	PTR	27-111-13-243.2talk.com
27.111.13.245	PTR	27-111-13-245.2talk.com
27.111.13.248	PTR	27-111-13-248.2talk.com
27.111.13.250	PTR	27-111-13-250.2talk.com
27.111.13.251	PTR	27-111-13-251.2talk.com
27.111.13.255	PTR	oz255.2talk.com
27.111.14.0	PTR	27-111-14-0.2talk.co.nz
27.111.14.31	A+PTR	mx2.2talk.co.nz
27.111.14.31	A	dns2.2talk.co.nz
27.111.14.31	A	ns2.2talk.co.nz
27.111.14.56	PTR	27-111-14-56.2talk.co.nz
27.111.14.65	PTR	phone.nzpbx.com
27.111.14.65	A	sip.2talk.co.nz
27.111.14.65	A	2talk.co.nz
27.111.14.67	A	tlssip.com
27.111.14.81	PTR	mail.2talk.co.nz
27.111.14.81	A	mx1.tlssip.com
27.111.14.81	A	mx.nzpbx.com
27.111.14.82	PTR	live.2talk.co.nz
27.111.14.83	PTR	voip.mtwo.co.nz
27.111.14.83	A	callzero.co.nz
27.111.14.83	A	www.2talk.co.nz
27.111.14.84	A	live.sipcity.com.au
27.111.14.85	PTR	nzpbx.com
27.111.14.85	A	phone.nzpbx.com
27.111.14.85	A	2talkphone.com
27.111.14.88	A	portal.c-talk.co.nz
27.111.14.89	A	voip.kiwilink.co.nz
27.111.14.90	A+PTR	2talkconnect.com
27.111.14.90	A	2talkconnect.co.nz
27.111.14.93	A	stun.2talk.co.nz
27.111.14.96	A+PTR	www.callzero.co.nz
27.111.14.96	A	callzero.co.nz
27.111.14.97	A+PTR	live.go800.co.nz
27.111.14.97	A	go800.co.nz
27.111.14.98	PTR	live.2talk.com
27.111.14.100	A+PTR	sms.2talk.co.nz
27.111.14.101	A	portal.cfbtel.com
27.111.14.103	A+PTR	voip.vetta.net.nz
27.111.14.133	PTR	27-111-14-133.2talk.co.nz
27.111.14.133	A	2talkready.co.nz
27.111.14.164	PTR	27-111-14-164.2talk.co.nz
27.111.14.164	A	www.2talk.co.nz
27.111.15.32	A	ns2.cloud2tel.co.uk
27.111.15.32	A	ns2.cloud2tel.com
27.111.15.81	A	mail.cloud2tel.co.uk
27.111.15.81	A	mail.cloud2tel.com
27.111.15.81	A	mail.mycloudtelco.com
27.111.15.85	A	www.tel-2.com
27.111.15.85	A	cloud2tel.co.uk
27.111.15.85	A	cloud2tel.com
27.111.15.86	PTR	86.cloud2tel.co.uk