Robtex

Up: 67.72.98.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 67.72.99.0/25
Down right: 67.72.99.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.72.99.0	PTR	lo0.access-gw1.iad.conversantmedia.com
67.72.99.1	PTR	lo0.sw-core1-ext.iad.conversantmedia.com
67.72.99.1	A	mta001.z2c.net
67.72.99.1	A	mta001.z2y.net
67.72.99.2	PTR	lo0.sw-core2-ext.iad.conversantmedia.com
67.72.99.2	A	mta002.z2c.net
67.72.99.2	A	mta002.z2y.net
67.72.99.3	PTR	lo0.rtr-edge2.iad.conversantmedia.com
67.72.99.3	A	mta003.z2c.net
67.72.99.3	A	mta003.z2y.net
67.72.99.4	PTR	po302.sw-core1-ext.iad.conversantmedia.com
67.72.99.4	A	mta004.z2y.net
67.72.99.4	A	mta004.z2c.net
67.72.99.5	A+PTR	po302.sw-core2-ext.iad.conversantmedia.com
67.72.99.5	A	mta005.z2y.net
67.72.99.5	A	mta005.z2c.net
67.72.99.6	A+PTR	et3-22.sw-core1-ext.iad.conversantmedia.com
67.72.99.6	A	mta006.z2c.net
67.72.99.6	A	mta006.z2y.net
67.72.99.7	PTR	et8-22.sw-core1-ext.dc6.vclk.net
67.72.99.7	A	mta007.z2y.net
67.72.99.7	A	mta007.z2c.net
67.72.99.8	PTR	et3-22.sw-core2-ext.iad.conversantmedia.com
67.72.99.8	A	mta008.z2c.net
67.72.99.8	A	mta008.z2y.net
67.72.99.9	PTR	et8-22.sw-core2-ext.dc6.vclk.net
67.72.99.9	A	mta009.z2y.net
67.72.99.9	A	mta009.z2c.net
67.72.99.10	PTR	et122-1-47.sw-core1-ext.iad.conversantmedia.com
67.72.99.10	A	mta010.z2c.net
67.72.99.10	A	mta010.z2y.net
67.72.99.11	PTR	gi0-0-2.access-gw1.iad.conversantmedia.com
67.72.99.11	A	mta011.z2y.net
67.72.99.11	A	mta011.z2c.net
67.72.99.12	PTR	et121-1-47.sw-core2-ext.iad.conversantmedia.com
67.72.99.12	A	mta012.z2y.net
67.72.99.12	A	mta012.z2c.net
67.72.99.13	PTR	gi0-0-3.access-gw1.iad.conversantmedia.com
67.72.99.13	A	mta013.z2c.net
67.72.99.13	A	mta013.z2y.net
67.72.99.14	A	mta014.z2c.net
67.72.99.14	A	mta014.z2y.net
67.72.99.15	A	mta015.z2y.net
67.72.99.15	A	mta015.z2c.net
67.72.99.16	A	mta016.z2c.net
67.72.99.16	A	mta016.z2y.net
67.72.99.17	A+PTR	mta017.z2c.net
67.72.99.18	A	mta018.z2c.net
67.72.99.19	A+PTR	mta019.z2c.net
67.72.99.20	A+PTR	mta020.z2c.net
67.72.99.21	A	mta021.z2c.net
67.72.99.22	A	mta022.z2c.net
67.72.99.23	A+PTR	mta023.z2c.net
67.72.99.24	A+PTR	websiteemails.roxio.com
67.72.99.25	A	news.fandango.com
67.72.99.26	A+PTR	member.ebay.com
67.72.99.27	A	mta027.z2c.net
67.72.99.28	A+PTR	news.lancome-usa.com
67.72.99.29	A+PTR	mta029.z2c.net
67.72.99.30	A	mta030.z2c.net
67.72.99.31	A	mta031.z2c.net
67.72.99.32	A	mta032.z2c.net
67.72.99.33	A	mta033.z2c.net
67.72.99.34	A	mta034.z2c.net
67.72.99.35	A	mta035.z2c.net
67.72.99.36	A	mta036.z2c.net
67.72.99.37	A	mta037.z2c.net
67.72.99.39	A	news.mediaplex.com
67.72.99.40	A	mta040.z2c.net
67.72.99.40	A	email.roxio.co.uk
67.72.99.40	A	email.roxio.fr
67.72.99.41	A	msg.alphausa.org
67.72.99.41	A	mta041.z2c.net
67.72.99.42	A	mta042.z2c.net
67.72.99.45	A	mta045.z2c.net
67.72.99.47	A	email1.ichotelsgroup.com
67.72.99.48	A+PTR	mail.davisongetsresults.com
67.72.99.49	A	mta049.z2c.net
67.72.99.50	A+PTR	atomdevprogram.intelmktg.com
67.72.99.50	A	mta050.z2c.net
67.72.99.51	A+PTR	comm.cj.com
67.72.99.52	A	news.pricerunner.com
67.72.99.54	A	updates.prescriptionsolutions.com
67.72.99.58	A	mta058.z2c.net
67.72.99.59	A	mta059.z2c.net
67.72.99.60	A	mta060.z2c.net
67.72.99.61	A+PTR	mta061.z2c.net
67.72.99.62	A	news.valueclickmedia.com
67.72.99.67	A	mta067.z2c.net
67.72.99.76	A	mta076.z2c.net
67.72.99.77	A	community.nakedjuice.com
67.72.99.78	A+PTR	mta078.z2c.net
67.72.99.80	A	mta080.z2c.net
67.72.99.81	A	mta081.z2c.net
67.72.99.82	PTR	info.hyundaiupdates.com
67.72.99.82	A	mta082.z2c.net
67.72.99.83	PTR	directnewsletter.net
67.72.99.83	A	mta083.z2c.net
67.72.99.84	A	mta084.z2c.net
67.72.99.85	A	newsletter.fxnetworks.com
67.72.99.85	A	mta085.z2c.net
67.72.99.86	PTR	news.drbrandtskincare.com
67.72.99.86	A	mta086.z2c.net
67.72.99.87	A	mta087.z2c.net
67.72.99.88	A+PTR	msg.goang.com
67.72.99.88	A	mta088.z2c.net
67.72.99.89	PTR	mail.myinfonews.net
67.72.99.89	A	mta089.z2c.net
67.72.99.90	A	mta090.z2c.net
67.72.99.91	A	mta091.z2c.net
67.72.99.92	A	mta092.z2c.net
67.72.99.93	A	mta093.z2c.net
67.72.99.94	A	mta094.z2c.net
67.72.99.95	A	mta095.z2c.net
67.72.99.96	A	mail.msc-cruises-usa.com
67.72.99.96	A	mta096.z2c.net
67.72.99.97	A	mta097.z2c.net
67.72.99.98	A+PTR	medco-mail.com
67.72.99.98	A	mta098.z2c.net
67.72.99.99	A	mta099.z2c.net
67.72.99.100	A+PTR	mta100.z2c.net
67.72.99.101	A+PTR	surveydispatcher.com
67.72.99.101	A	mta101.z2c.net
67.72.99.102	A	mta102.z2c.net
67.72.99.103	A	mta103.z2c.net
67.72.99.104	A	mta104.z2c.net
67.72.99.105	PTR	email.lan.com
67.72.99.105	A	mta105.z2c.net
67.72.99.106	A	mta106.z2c.net
67.72.99.107	A+PTR	mta107.z2c.net
67.72.99.108	A	mta108.z2c.net
67.72.99.109	A	mta109.z2c.net
67.72.99.110	A	mta110.z2c.net
67.72.99.110	A	emailclubpremier.com
67.72.99.111	A	emailaeromexico.com
67.72.99.111	A	mta111.z2c.net
67.72.99.112	A	mta112.z2c.net
67.72.99.112	A	msc-cruises-usa.com
67.72.99.113	A	mta113.z2c.net
67.72.99.114	A	mta114.z2c.net
67.72.99.115	A	mta115.z2c.net
67.72.99.116	A	mta116.z2c.net
67.72.99.117	A	mta117.z2c.net
67.72.99.118	A	mta118.z2c.net
67.72.99.119	A	mta119.z2c.net
67.72.99.120	A+PTR	mta120.z2c.net
67.72.99.121	A	mta121.z2c.net
67.72.99.122	A	mta122.z2c.net
67.72.99.123	A+PTR	mta123.z2c.net
67.72.99.124	A	mta124.z2c.net
67.72.99.125	A	mta125.z2c.net
67.72.99.126	A	mta126.z2c.net
67.72.99.127	A+PTR	mta127.z2c.net
67.72.99.128	A	mta128.z2c.net
67.72.99.129	A	mta129.z2c.net
67.72.99.130	A+PTR	mta130.z2c.net
67.72.99.131	A	mta131.z2c.net
67.72.99.132	A	mta132.z2c.net
67.72.99.133	A	mta133.z2c.net
67.72.99.134	A	mta134.z2c.net
67.72.99.135	A	mta135.z2c.net
67.72.99.136	A+PTR	mta136.z2c.net
67.72.99.137	A+PTR	iad07-usadmm.dotomi.com
67.72.99.137	A	dtm.winecountrygiftbaskets.com
67.72.99.137	A	iad07-usadmm-ds.dotomi.com
67.72.99.138	A+PTR	mta138.z2c.net
67.72.99.139	A	mta139.z2c.net
67.72.99.140	A+PTR	iad07-login.dotomi.com
67.72.99.140	A	mta140.z2c.net
67.72.99.140	A	iad07-login-ds.dotomi.com
67.72.99.141	A	mta141.z2c.net
67.72.99.142	A	mta142.z2c.net
67.72.99.143	A+PTR	mta143.z2c.net
67.72.99.144	A	mta144.z2c.net
67.72.99.145	A+PTR	mta145.z2c.net
67.72.99.146	A	mta146.z2c.net
67.72.99.146	A	iad07-convex.dotomi.com
67.72.99.147	A	mta147.z2c.net
67.72.99.148	A	mta148.z2c.net
67.72.99.149	A	mta149.z2c.net
67.72.99.150	A+PTR	mta150.z2c.net
67.72.99.151	A+PTR	mta151.z2c.net
67.72.99.152	A+PTR	mta152.z2c.net
67.72.99.153	A	mta153.z2c.net
67.72.99.154	A	mta154.z2c.net
67.72.99.155	A	mta155.z2c.net
67.72.99.156	A	mta156.z2c.net
67.72.99.157	A	iad07-bfp01-ds.mediaplex.com
67.72.99.157	A	iad07-bfp01.mediaplex.com
67.72.99.157	A	mta157.z2c.net
67.72.99.158	A	iad07-bfp02-ds.mediaplex.com
67.72.99.158	A	mta158.z2c.net
67.72.99.158	A	iad07-bfp02.mediaplex.com
67.72.99.159	A+PTR	mta159.z2c.net
67.72.99.160	A	mta160.z2c.net
67.72.99.161	A	mta161.z2c.net
67.72.99.162	A	mta162.z2c.net
67.72.99.163	A	mta163.z2c.net
67.72.99.164	PTR	iad05-rtb-01.dotomi.com
67.72.99.164	A	mta164.z2c.net
67.72.99.165	A	mta165.z2c.net
67.72.99.166	A	mta166.z2c.net
67.72.99.167	A	mta167.z2c.net
67.72.99.168	A+PTR	mta168.z2c.net
67.72.99.169	A+PTR	iad05-usadmm.dotomi.com
67.72.99.169	A	iad05-usadmm-ds.dotomi.com
67.72.99.169	A	mta169.z2c.net
67.72.99.170	A+PTR	mta170.z2c.net
67.72.99.171	A	mta171.z2c.net
67.72.99.172	A+PTR	iad05-login.dotomi.com
67.72.99.172	A	mta172.z2c.net
67.72.99.172	A	bfp.iad.dotomi.weighted.com.akadns.net
67.72.99.173	A	mta173.z2c.net
67.72.99.174	A	mta174.z2c.net
67.72.99.175	A	mta175.z2c.net
67.72.99.176	A	mta176.z2c.net
67.72.99.177	A	mta177.z2c.net
67.72.99.178	A	iad05-convex.dotomi.com
67.72.99.178	A	mta178.z2c.net
67.72.99.179	A+PTR	mta179.z2c.net
67.72.99.180	A	mta180.z2c.net
67.72.99.181	A	mta181.z2c.net
67.72.99.182	A	mta182.z2c.net
67.72.99.183	A	mta183.z2c.net
67.72.99.184	A	mta184.z2c.net
67.72.99.185	A+PTR	mta185.z2c.net
67.72.99.186	A	mta186.z2c.net
67.72.99.187	A	mta187.z2c.net
67.72.99.188	A	mta188.z2c.net
67.72.99.189	A	iad05-bfp01.mediaplex.com
67.72.99.189	A	mta189.z2c.net
67.72.99.189	A	iad05-bfp01-ds.mediaplex.com
67.72.99.190	A+PTR	mta190.z2c.net
67.72.99.190	A	iad05-bfp02-ds.mediaplex.com
67.72.99.190	A	iad05-bfp02.mediaplex.com
67.72.99.191	A	mta191.z2c.net
67.72.99.192	A	mta192.z2c.net
67.72.99.193	A	mta193.z2c.net
67.72.99.194	A	mta194.z2c.net
67.72.99.195	A+PTR	mta195.z2c.net
67.72.99.196	A+PTR	mta196.z2c.net
67.72.99.197	A	mta197.z2c.net
67.72.99.198	A	mta198.z2c.net
67.72.99.199	A	mta199.z2c.net
67.72.99.200	A+PTR	mta200.z2c.net
67.72.99.201	A+PTR	mta201.z2c.net
67.72.99.202	A	mta202.z2c.net
67.72.99.203	A	mta203.z2c.net
67.72.99.204	A	mta204.z2c.net
67.72.99.205	A	mta205.z2c.net
67.72.99.206	A+PTR	mta206.z2c.net
67.72.99.207	A	mta207.z2c.net
67.72.99.208	A	mta208.z2c.net
67.72.99.209	A+PTR	mta209.z2c.net
67.72.99.210	A	mta210.z2c.net
67.72.99.211	A	mta211.z2c.net
67.72.99.212	A+PTR	mta212.z2c.net
67.72.99.213	A	mta213.z2c.net
67.72.99.214	A	mta214.z2c.net
67.72.99.215	A	mta215.z2c.net
67.72.99.216	A+PTR	mta216.z2c.net
67.72.99.217	A+PTR	mta217.z2c.net
67.72.99.218	A+PTR	mta218.z2c.net
67.72.99.219	A	mta219.z2c.net
67.72.99.220	A	mta220.z2c.net
67.72.99.221	A	mta221.z2c.net
67.72.99.222	A	mta222.z2c.net
67.72.99.223	A+PTR	mta223.z2c.net
67.72.99.224	A	mta224.z2c.net
67.72.99.225	A	mta225.z2c.net
67.72.99.226	A	mta226.z2c.net
67.72.99.227	A	mta227.z2c.net
67.72.99.228	A	mta228.z2c.net
67.72.99.229	A	mta229.z2c.net
67.72.99.230	A	mta230.z2c.net
67.72.99.231	A	mta231.z2c.net
67.72.99.232	A	mta232.z2c.net
67.72.99.233	A	mta233.z2c.net
67.72.99.234	A	mta234.z2c.net
67.72.99.235	A+PTR	mta235.z2c.net
67.72.99.236	A	mta236.z2c.net
67.72.99.237	A	mta237.z2c.net
67.72.99.238	A	mta238.z2c.net
67.72.99.239	A	mta239.z2c.net
67.72.99.240	A	mta240.z2c.net
67.72.99.241	A	mta241.z2c.net
67.72.99.242	A	mta242.z2c.net
67.72.99.243	A	mta243.z2c.net
67.72.99.244	A	mta244.z2c.net
67.72.99.245	A	mta245.z2c.net
67.72.99.246	A	mta246.z2c.net
67.72.99.247	A	mta247.z2c.net
67.72.99.248	A	mta248.z2c.net
67.72.99.249	A+PTR	mta249.z2c.net
67.72.99.250	A	mta250.z2c.net
67.72.99.251	A	mta251.z2c.net
67.72.99.252	A	mta252.z2c.net
67.72.99.254	PTR	unassigned