Robtex

Up: 209.87.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 209.87.64.0/20
Down right: 209.87.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.87.64.0	A+PTR	209-87-64-0.client.dsl.net
209.87.64.0	A	wavehillinvestors.com
209.87.64.7	A	209-87-64-7.client.dsl.net
209.87.64.12	A	209-87-64-12.client.dsl.net
209.87.64.32	A	209-87-64-32.client.dsl.net
209.87.64.64	PTR	mxr01.hvn01.dsl.net
209.87.64.66	A+PTR	chimay.dsl.net
209.87.64.66	A	ultradsl.net
209.87.64.72	A	bogus.dsl.net
209.87.64.73	A	saranac.dsl.net
209.87.64.96	PTR	available.dsl.net
209.87.64.97	A+PTR	megamail.dsl.net
209.87.64.97	A	pop3.dsl.net
209.87.64.97	A	pop.dsl.net
209.87.64.98	PTR	available.dsl.net
209.87.64.128	PTR	available.dsl.net
209.87.64.129	PTR	available.dsl.net
209.87.65.42	A+PTR	209-87-65-42.client.dsl.net
209.87.65.139	A+PTR	209-87-65-139.client.dsl.net
209.87.66.2	A	209-87-66-2.client.dsl.net
209.87.66.4	A	209-87-66-4.client.dsl.net
209.87.66.7	A	209-87-66-7.client.dsl.net
209.87.66.10	A	209-87-66-10.client.dsl.net
209.87.66.34	A	209-87-66-34.client.dsl.net
209.87.66.36	A	209-87-66-36.client.dsl.net
209.87.66.38	A	209-87-66-38.client.dsl.net
209.87.66.45	A	209-87-66-45.client.dsl.net
209.87.66.64	A	209-87-66-64.client.dsl.net
209.87.66.69	A	209-87-66-69.client.dsl.net
209.87.66.70	A	209-87-66-70.client.dsl.net
209.87.66.72	A	209-87-66-72.client.dsl.net
209.87.66.97	A	209-87-66-97.client.dsl.net
209.87.66.104	A	209-87-66-104.client.dsl.net
209.87.66.107	A	209-87-66-107.client.dsl.net
209.87.66.108	A	209-87-66-108.client.dsl.net
209.87.66.129	A	209-87-66-129.client.dsl.net
209.87.66.132	A	209-87-66-132.client.dsl.net
209.87.66.133	A	209-87-66-133.client.dsl.net
209.87.66.138	A	209-87-66-138.client.dsl.net
209.87.66.160	A	209-87-66-160.client.dsl.net
209.87.66.163	A	209-87-66-163.client.dsl.net
209.87.66.166	A	209-87-66-166.client.dsl.net
209.87.66.167	A	209-87-66-167.client.dsl.net
209.87.66.195	A	209-87-66-195.client.dsl.net
209.87.66.199	A	209-87-66-199.client.dsl.net
209.87.66.201	A	209-87-66-201.client.dsl.net
209.87.66.207	A	209-87-66-207.client.dsl.net
209.87.66.226	A	209-87-66-226.client.dsl.net
209.87.66.231	A	209-87-66-231.client.dsl.net
209.87.66.232	A	209-87-66-232.client.dsl.net
209.87.66.237	A	209-87-66-237.client.dsl.net
209.87.74.16	A	209-87-74-16.client.dsl.net
209.87.74.22	A	209-87-74-22.client.dsl.net
209.87.74.52	A	209-87-74-52.client.dsl.net
209.87.74.81	A	209-87-74-81.client.dsl.net
209.87.74.133	A	209-87-74-133.client.dsl.net
209.87.74.138	A	209-87-74-138.client.dsl.net
209.87.74.170	A	209-87-74-170.client.dsl.net
209.87.74.171	A	209-87-74-171.client.dsl.net
209.87.74.174	A	209-87-74-174.client.dsl.net
209.87.74.207	A	209-87-74-207.client.dsl.net
209.87.74.214	A	209-87-74-214.client.dsl.net
209.87.74.218	A	209-87-74-218.client.dsl.net
209.87.75.82	A+PTR	209-87-75-82.client.dsl.net
209.87.75.195	A+PTR	209-87-75-195.client.dsl.net
209.87.76.5	PTR	209-87-76-5.static.dsl.net
209.87.76.5	A	209-87-76-5.client.dsl.net
209.87.76.201	PTR	mail1.rollcim.com
209.87.76.203	A	209-87-76-203.client.dsl.net
209.87.76.218	A	cv2vb.net
209.87.78.17	A	209-87-78-17.client.dsl.net
209.87.78.25	A	209-87-78-25.client.dsl.net
209.87.79.14	A	209-87-79-14.client.dsl.net
209.87.79.25	A	209-87-79-25.client.dsl.net
209.87.79.53	A	cr04-dca01-atm1-0-0-100100223.dsl.net
209.87.79.105	A	cr04-dca01-atm1-0-0-100100135.dsl.net
209.87.79.109	A	cr04-dca01-atm1-0-0-100100142.dsl.net
209.87.79.121	A	cr04-dca01-atm1-0-0-100100126.dsl.net
209.87.79.129	A	cr04-dca01-atm1-0-0-100100128.dsl.net
209.87.79.193	A	cr04-dca01-atm1-0-0-100100108.dsl.net
209.87.79.201	A	cr04-dca01-atm1-0-0-100100224.dsl.net
209.87.79.210	A	cr01-nashnhwp-s1-0-304.dsl.net
209.87.79.224	A	209-87-79-224.client.dsl.net
209.87.79.226	A+PTR	redseal.dsl.net
209.87.79.227	A	newsingha.dsl.net
209.87.79.228	A	netgainone.com
209.87.81.170	A	silver2.precision-combustion.com
209.87.83.115	PTR	mail.crarybuchanan.com
209.87.83.115	A	209-87-83-115.client.dsl.net
209.87.85.25	A	209-87-85-25.client.dsl.net
209.87.85.144	A	209-87-85-144.client.dsl.net
209.87.89.132	A+PTR	209-87-89-132.client.dsl.net
209.87.91.100	A+PTR	209-87-91-100.client.dsl.net
209.87.95.128	A+PTR	209-87-95-128.client.dsl.net
209.87.95.159	A	linkworkplace3.com
209.87.95.166	A	linkworkplace1.com
209.87.95.172	A	linkasp2.com
209.87.95.252	A	linkworkplace2.com
209.87.95.255	A	209-87-95-255.client.dsl.net