Robtex

Up: 69.59.238.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 69.59.239.0/25
Down right: 69.59.239.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.59.239.21	PTR	httpd-vm-01.klas1.s.vonagenetworks.net
69.59.239.21	A	httpconfig.vonage.net
69.59.239.22	A+PTR	httpd-vm-02.klas1.s.vonagenetworks.net
69.59.239.22	A	httpconfig.vonage.net
69.59.239.23	A+PTR	httpd-vm-03.klas1.s.vonagenetworks.net
69.59.239.23	A	httpconfig.vonage.net
69.59.239.24	A	httpconfig.vonage.net
69.59.239.25	A+PTR	httpd-vm-05.klas1.s.vonagenetworks.net
69.59.239.25	A	httpconfig.vonage.net
69.59.239.26	A+PTR	tftp-vm-01.klas1.s.vonagenetworks.net
69.59.239.26	A	ls.tftp.vonage.net
69.59.239.26	A	ti.tftp.vonage.net
69.59.239.27	A+PTR	tftp-vm-02.klas1.s.vonagenetworks.net
69.59.239.27	A	ls.tftp.vonage.net
69.59.239.27	A	ti.tftp.vonage.net
69.59.239.28	A+PTR	tftp-vm-03.klas1.s.vonagenetworks.net
69.59.239.28	A	ls.tftp.vonage.net
69.59.239.28	A	ti.tftp.vonage.net
69.59.239.29	A+PTR	tftp-vm-04.klas1.s.vonagenetworks.net
69.59.239.29	A	ls.tftp.vonage.net
69.59.239.29	A	ti.tftp.vonage.net
69.59.239.35	A+PTR	dns-auth-00.klas0.s.vonagenetworks.net
69.59.239.36	A+PTR	dns-cust-00.klas0.s.vonagenetworks.net
69.59.239.37	A+PTR	dns-cust-01.klas0.s.vonagenetworks.net
69.59.239.40	A+PTR	strong-eds-01.klas0.s.vonagenetworks.net
69.59.239.40	A	custview.vonage.com
69.59.239.41	A+PTR	strong-eds-02.klas0.s.vonagenetworks.net
69.59.239.41	A	custview.vonage.com
69.59.239.45	A+PTR	gtm01.klas0.s.vonagenetworks.net
69.59.239.46	A+PTR	httpd-vm-01.klas0.s.vonagenetworks.net
69.59.239.46	A	httpconfig.vonage.net
69.59.239.47	A+PTR	httpd-vm-02.klas0.s.vonagenetworks.net
69.59.239.47	A	httpconfig.vonage.net
69.59.239.48	A	httpconfig.vonage.net
69.59.239.49	A+PTR	httpd-vm-04.klas0.s.vonagenetworks.net
69.59.239.49	A	httpconfig.vonage.net
69.59.239.50	A+PTR	httpd-vm-05.klas0.s.vonagenetworks.net
69.59.239.50	A	httpconfig.vonage.net
69.59.239.51	A	tftp.vonage.net
69.59.239.52	A+PTR	tftp-vm-02.klas0.s.vonagenetworks.net
69.59.239.52	A	tftp.vonage.net
69.59.239.53	A	tftp.vonage.net
69.59.239.54	A	tftp.vonage.net
69.59.239.57	A+PTR	s3ntp01.klas0.s.vonagenetworks.net
69.59.239.57	A	time.vonage.net
69.59.239.57	A	ntp1-nyc.vonage.net
69.59.239.58	A+PTR	s3ntp02.klas0.s.vonagenetworks.net
69.59.239.58	A	time.vonage.net
69.59.239.58	A	ntp1-nyc.vonage.net