IP / ASN / Domain Lookup

IP Lookup Result

IP Address

128.252.247.240

Location

United States,Missouri,St Louis

ASN

ENT

Washington University

Company

ENT

Washington University

Longitude

-90.1979

-90.1979

Latitude

38.6272

38.6272

Native IP

Residential

Residential

Native IP

Why Datacenter?

Why Datacenter?

24%Risk Score

24% Risk Score

IP Address (Decimal)

2164062192

Latency

US

-

HK

-

CA

-

GB

-

DE

-

AU

-

ASN History

ASN History	Network	AS Organization	Country	First Seen	Last Seen
AS2552	128.252.0.0/16	EDU WUSTL	United States	📅 2012-01-28 07:07	📅 2025-12-25 01:55
AS25887	128.252.0.0/16	ISP SLIAC	United States	📅 2009-11-04 16:59	📅 2017-11-01 22:51
AS206066	128.0.0.0/8	ISP Teledom LLC	Russia	📅 2017-05-04 07:14	📅 2017-05-04 14:42
AS2552	128.252.240.0/21	EDU WUSTL	United States	📅 2002-10-04 00:21	📅 2010-01-06 19:57
AS25185	128.0.0.0/8	GOV RIPE NCC ASN block	--	📅 2006-02-28 23:19	📅 2006-02-28 23:26
AS7911	128.252.0.0/16	IDC Level 3 Parent, LLC	United States	📅 2004-07-28 12:05	📅 2005-08-01 19:04
AS25887	128.252.240.0/21	ISP SLIAC	United States	📅 2004-08-16 21:49	📅 2005-05-21 05:40
AS25887	128.252.246.0/23	ISP SLIAC	United States	📅 2004-08-07 03:43	📅 2004-08-16 21:47
AS2914	128.252.0.0/16	IDC NTT Global IP Network	United States	📅 2001-10-27 05:48	📅 2004-07-28 11:00
AS2552	128.252.247.0/24	EDU WUSTL	United States	📅 2002-10-02 04:04	📅 2004-01-15 05:10

Company History

Company History	Network	First Seen	Last Seen
ENT NET128	128.0.0.0/8	📅 1993-05-01 08:00	📅 2025-12-07 07:44
ENT NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK	128.252.0.0/12	📅 2024-03-11 22:59	📅 2025-12-07 04:53
ENT WASHINGTON-U	128.252.0.0/16	📅 1987-06-03 09:00	📅 2025-12-05 08:14

Registration History

Status	Network	Registry	Country	First Seen	Last Seen
	128.0.0.0/8	ARIN	--	📅 1993-05-01 08:00	📅 2025-12-07 07:44
	128.252.0.0/12	RIPE	European Union	📅 2024-03-11 22:59	📅 2025-12-07 04:53
	128.252.0.0/16	ARIN	--	📅 1987-06-03 09:00	📅 2025-12-05 08:14

128.252.247.239

128.252.247.241