The names of all the IP addresses in 4.15.84.0/24
4.15.84.5	lag-31-202-99.ear2.Chicago2.Level3.net.
4.15.84.6	METROPOLITA.ear2.Chicago2.Level3.net.
4.15.84.13	9-1-21.ear2.Chicago2.Level3.net.
4.15.84.14	GUGGENHEIM.ear2.Chicago2.Level3.net.
4.15.84.21	8-2-5.ear4.Chicago2.Level3.net.
4.15.84.22	BCBS-OF-ILL.ear4.Chicago2.Level3.net.
4.15.84.45	lag-31-1932-99.ear2.Chicago2.Level3.net.
4.15.84.46	VCA-ANIMAL.ear2.Chicago2.Level3.net.
4.15.84.49	7-1-29.ear2.Chicago2.Level3.net.
4.15.84.50	ELLIE-MAE-I.ear2.Chicago2.Level3.net.
4.15.84.57	5-1-40.ear4.Chicago2.Level3.net.
4.15.84.58	SOUTHWEST-A.ear4.Chicago2.Level3.net.
4.15.84.69	lag-31-2963-99.ear2.Chicago2.Level3.net.
4.15.84.70	MIDWESTONE.ear2.Chicago2.Level3.net.
4.15.84.77	ae126-347.edge1.Chicago10.Level3.net.
4.15.84.78	ARRIS-SOLUT.edge1.Chicago10.Level3.net.
4.15.84.81	9-1-30.ear2.Chicago2.Level3.net.
4.15.84.82	CENIC.ear2.Chicago2.Level3.net.
4.15.84.85	lag-31-2958-99.ear2.Chicago2.Level3.net.
4.15.84.86	DUPRE-LOGIS.ear2.Chicago2.Level3.net.
4.15.84.89	lag-31-146-99.ear2.Chicago2.Level3.net.
4.15.84.90	REGUS-MANAG.ear2.Chicago2.Level3.net.
4.15.84.97	lag-31-2711-99.ear2.Chicago2.Level3.net.
4.15.84.98	ICN-SYSTEMS.ear1.Chicago2.Level3.net.
4.15.84.113	10-2-38.ear2.Chicago2.Level3.net.
4.15.84.114	HYATT-HOTEL.ear2.Chicago2.Level3.net.
4.15.84.117	10-2-39.ear2.Chicago2.Level3.net.
4.15.84.118	ACCENTURE.ear2.Chicago2.Level3.net.
4.15.84.121	lag-14-983-200.ear1.Chicago2.Level3.net.
4.15.84.122	NATIONWIDE.ear8.Chicago2.Level3.net.
4.15.84.129	8-1-20.ear2.Chicago2.Level3.net.
4.15.84.137	lag-31-1067-99.ear2.Chicago2.Level3.net.
4.15.84.138	AMERIPAY.ear2.Chicago2.Level3.net.
4.15.84.141	ae126-1143.edge1.Chicago10.Level3.net.
4.15.84.142	4-15-84-142.liquidweb.com.
4.15.84.146	STRATUM-INC.ear1.Chicago2.Level3.net.
4.15.84.161	lag-31-172-99.ear2.Chicago2.Level3.net.
4.15.84.162	ASCENSION-H.ear2.Chicago2.Level3.net.
4.15.84.169	10-2-31.ear2.Chicago2.Level3.net.
4.15.84.170	DIRECTV-INC.ear2.Chicago2.Level3.net.
4.15.84.173	lag-119.ear2.Chicago2.Level3.net.
4.15.84.178	CITIZENS-BA.ear1.Chicago2.Level3.net.
4.15.84.181	lag-14-1001-860.ear1.Chicago2.Level3.net.
4.15.84.182	RR-ICE-CREA.ear1.Chicago2.Level3.net.
4.15.84.185	lag-127.ear2.Chicago2.Level3.net.
4.15.84.186	NEUTRAL-TAN.ear2.Chicago2.Level3.net.
4.15.84.190	GREEN-BAY-M.ear1.Chicago2.Level3.net.
4.15.84.193	lag-32-3823-99.ear3.Chicago2.Level3.net.
4.15.84.194	HORIZON-TEL.ear3.Chicago2.Level3.net.
4.15.84.197	7-1-11.ear2.Chicago2.Level3.net.
4.15.84.198	EBAY-INC.ear2.Chicago2.Level3.net.
4.15.84.202	VERIZON-WIR.ear1.Chicago2.Level3.net.
4.15.84.205	10-1-6.ear2.Chicago2.Level3.net.
4.15.84.206	GENERAL-ELE.ear2.Chicago2.Level3.net.
4.15.84.209	8-2-4.ear4.Chicago2.Level3.net.
4.15.84.225	4-1-2.ear2.Chicago2.Level3.net.
4.15.84.226	YAHOO-INC.ear2.Chicago2.Level3.net.
4.15.84.229	lag-150.ear2.Chicago2.Level3.net.
4.15.84.233	6-1-14.ear2.Chicago2.Level3.net.
4.15.84.234	DTN-LLC.ear2.Chicago2.Level3.net.
4.15.84.237	lag-56-171-99.ear5.Chicago2.Level3.net.
4.15.84.238	NI-INVESTME.ear5.Chicago2.Level3.net.
4.15.84.241	10-1-31.ear2.Chicago2.Level3.net.
4.15.84.242	UNIVERSITY.ear2.Chicago2.Level3.net.
4.15.84.245	10-1-34.ear2.Chicago2.Level3.net.
4.15.84.246	FORSYTHE-DA.ear2.Chicago2.Level3.net.
4.15.84.250	UNIVERSITY.ear1.Chicago2.Level3.net.
4.15.84.253	lag-31-3377-99.ear2.Chicago2.Level3.net.
4.15.84.254	TATA-CONSUL.ear2.Chicago2.Level3.net.
69 IP addresses in 4.15.84.0/24 appear to have a name (Pointer Record).
4.15.84.230   !ip !rdap !whois !bl !scan !tr !dnstr !g !gsec

  
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