Robtex

Up: 208.85.51.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 208.85.51.0/27
Down right: 208.85.51.32/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.85.51.1	PTR	mail2901.mkt3497.com
208.85.51.1	A	mail5579.remedyhealthmedia.mkt6178.com
208.85.51.1	A	mail5579.mkt6178.com
208.85.51.2	A+PTR	mail5075.honda.mkt496.com
208.85.51.2	A	mail5075c.mkt496.com
208.85.51.2	A	honda.mkt496.com
208.85.51.3	A+PTR	mail1222.honda.mkt015.com
208.85.51.3	A	honda.mkt015.com
208.85.51.3	A	mail1222c.mkt015.com
208.85.51.4	A+PTR	mail1182.amerisave.mkt007.com
208.85.51.4	A	mail1182.amerisave.mkt530.com
208.85.51.4	A	amerisave.mkt007.com
208.85.51.5	A+PTR	mail2902.towerswatson.mkt3498.com
208.85.51.5	A	towerswatson.mkt3498.com
208.85.51.5	A	mail2902.mkt3498.com
208.85.51.6	A+PTR	mail1197.mkt2347.com
208.85.51.7	A	mail1364c.mkt500.com
208.85.51.8	A+PTR	mail5079c.mkt500.com
208.85.51.9	PTR	mail1167.creativeprod.mkt2319.com
208.85.51.9	A	creativeprod.mkt2319.com
208.85.51.9	A	mail1167.mkt2319.com
208.85.51.10	PTR	mail6491.ins.triptostudy.com
208.85.51.10	A	mail6491.mkt7090.com
208.85.51.12	PTR	mail5049c.americaschoicecard-now.com
208.85.51.12	A	mail6425.leukemia-lymphoma.mkt7024.com
208.85.51.13	A	mail6488.mammothresorts.mkt7087.com
208.85.51.14	PTR	mail5017c.builderimpact-direct.com
208.85.51.14	A	mail6489.mkt7088.com
208.85.51.14	A	mail6489.info.bolt.id
208.85.51.15	PTR	mail5023c.carsblvddrive.com
208.85.51.15	A	mail6487.mkt7086.com
208.85.51.15	A	mail6487.tabcom.mkt7086.com
208.85.51.16	A	mail6493.mkt7092.com
208.85.51.17	A	mail6490.mkt7089.com
208.85.51.18	PTR	mail5048c.consumerresearchbureau-guide.com
208.85.51.18	A	mail6426.mkt7025.com
208.85.51.19	PTR	mail5052c.discounthealthquote-web.com
208.85.51.19	A	mail6472.mail.evimicokseviyorum.com
208.85.51.19	A	mail6472.mkt7071.com
208.85.51.20	A+PTR	mail2903.fabricdotcom.mkt3499.com
208.85.51.20	A	mail2903.mkt3499.com
208.85.51.20	A	fabricdotcom.mkt3499.com
208.85.51.21	PTR	mail6492.bontia.mkt7091.com
208.85.51.21	A	mail6492.mkt7091.com
208.85.51.23	PTR	mail1241c.mail.my-instantvuecard.com
208.85.51.23	A	mail6423.mkt7022.com
208.85.51.24	A+PTR	mail6486.ami.mkt7085.com
208.85.51.24	A	mail6486.mkt7085.com
208.85.51.25	A+PTR	mail6424.sportsendeavors.mkt7023.com
208.85.51.27	A+PTR	mail6477.digitel.tel-aviv.gov.il
208.85.51.27	A	mail6477.mkt7076.com
208.85.51.28	PTR	mail5025c.passionupplanet.com
208.85.51.28	A	mail6485.uksoccer.mkt7084.com
208.85.51.29	A	mail6448.mkt7047.com
208.85.51.30	A+PTR	mail6479.thesebastianvail.mkt7078.com
208.85.51.30	A	mail6479.mkt7078.com
208.85.51.31	A	mail6466.mkt7065.com
208.85.51.32	PTR	mail5051c.regards-world.com
208.85.51.32	A	mail6474.mkt7073.com
208.85.51.32	A	mail6474.evergreenhealth.mkt7073.com
208.85.51.33	A+PTR	mail6470.northwesternmedicine.mkt7069.com
208.85.51.33	A	mail6470.mkt7069.com
208.85.51.34	PTR	mail5026c.thatcherprescottgame.com
208.85.51.34	A	mail6484.mkt7083.com
208.85.51.35	A+PTR	mail2904.grapevine.mkt3500.com
208.85.51.35	A	mail2904.mkt3500.com
208.85.51.35	A	grapevine.mkt3500.com
208.85.51.36	A+PTR	mail6404.picturepeople.mkt7003.com
208.85.51.36	A	mail6404.mkt7003.com
208.85.51.37	PTR	mail1242c.nationalfinancialadvancement.com
208.85.51.37	A	mail6422.mkt7021.com
208.85.51.37	A	mail6422.thr.mkt7021.com
208.85.51.38	A	mail6436.mkt7035.com
208.85.51.39	PTR	mail1278c.multipeak.com
208.85.51.39	A	mail6417.ldextras.mkt7016.com
208.85.51.39	A	mail6417.mkt7016.com
208.85.51.40	PTR	mail1277c.spreebeat.com
208.85.51.40	A	mail6398.mkt6997.com
208.85.51.40	A	mail6398.nczoo.mkt6997.com
208.85.51.41	A	mail5585.mkt6184.com
208.85.51.42	A+PTR	mail1326.news1.ebrainsinc.com
208.85.51.42	A	mail1326.mkt2417.com
208.85.51.42	A	ebrains.mkt2424.com
208.85.51.43	A+PTR	mail1327.news2.ebrainsinc.com
208.85.51.43	A	mail1327.mkt2424.com
208.85.51.43	A	mail1327.mkt2418.com
208.85.51.44	A+PTR	mail1336.news10.ebrainsinc.com
208.85.51.44	A	mail1336.mkt2427.com
208.85.51.44	A	mail1336.ebrainsinc.mkt2424.com
208.85.51.45	A+PTR	mail1328.news3.ebrainsinc.com
208.85.51.45	A	mail1328.mkt2424.com
208.85.51.45	A	mail1328.mkt2419.com
208.85.51.46	A+PTR	mail1329.news4.ebrainsinc.com
208.85.51.46	A	mail1329.ebrainsinc.mkt2424.com
208.85.51.46	A	mail1329.mkt2424.com
208.85.51.47	PTR	mail1330.news5.ebrainsinc.com
208.85.51.47	A	mail1330.mkt2424.com
208.85.51.47	A	mail1330.mkt2421.com
208.85.51.48	A+PTR	mail1331.news6.ebrainsinc.com
208.85.51.48	A	mail1331.ebrainsinc.mkt2424.com
208.85.51.48	A	mail1331.mkt2424.com
208.85.51.49	A+PTR	mail1332.news7.ebrainsinc.com
208.85.51.49	A	mail1332.ebrainsinc.mkt2424.com
208.85.51.49	A	mail1332.mkt2424.com
208.85.51.50	A+PTR	mail1333.news8.ebrainsinc.com
208.85.51.50	A	mail1333.ebrainsinc.mkt2424.com
208.85.51.50	A	mail1333.mkt2424.com
208.85.51.51	A+PTR	mail1334.news.ebrainsinc.com
208.85.51.51	A	mail1334.mkt2425.com
208.85.51.51	A	mail1334.mkt2424.com
208.85.51.52	A+PTR	mail1335.news9.ebrainsinc.com
208.85.51.52	A	mail1335.mkt2424.com
208.85.51.52	A	mail1335.ebrainsinc.mkt2424.com
208.85.51.53	A	mail5089c.mkt510.com
208.85.51.53	A	entiera.mkt510.com
208.85.51.54	A	mail2905.mkt3501.com
208.85.51.55	A	entiera.mkt2408.com
208.85.51.55	A	mail1313.mkt2408.com
208.85.51.56	A	entiera.mkt302.com
208.85.51.56	A	mail1345c.mkt302.com
208.85.51.57	A	equifax.mkt2388.com
208.85.51.57	A	mail1280.mkt2388.com
208.85.51.58	A	mail1355.entiera.mkt312.com
208.85.51.58	A	entiera.mkt312.com
208.85.51.59	A	mail1341.entiera.mkt036.com
208.85.51.59	A	entiera.mkt036.com
208.85.51.60	A	entiera.mkt448.com
208.85.51.60	A	mail5028.entiera.mkt448.com
208.85.51.61	A	entiera.mkt461.com
208.85.51.62	A+PTR	mail2906.eckler.mkt3502.com
208.85.51.62	A	eckler.mkt3502.com
208.85.51.62	A	mail2906.mkt3502.com
208.85.51.63	A	jameco.mkt3503.com
208.85.51.63	A	mail2907.mkt3503.com