IP / ASN / Domain Lookup

IP / ASN / Domain Lookup172.120.51.21IPv4 Only
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ASN History
Network
AS Organization
Country
First Seen
Last Seen
AS55201
172.120.51.0/24
IDCSKYQUANTUM-INTERNET-SERVICE
US United States
2026-07-02 18:07
2026-08-18 08:26
AS7018
172.120.51.0/24
IDCAT&T US - 7018
US United States
2025-03-18 14:42
2025-07-30 02:49
AS834
172.120.51.0/24
IDCIPXO LLC
US United States
2025-01-30 23:01
2025-03-15 04:02
AS18779
172.120.51.0/24
IDCEnergy Group Networks
US United States
2021-08-11 21:53
2021-08-11 22:23
AS18779
172.120.0.0/15
IDCEnergy Group Networks
US United States
2017-01-01 08:33
2025-01-29 00:39
AS197624
172.0.0.0/8
IDCRIPE NCC ASN block
/ --
2018-10-30 02:59
2018-10-30 14:25
AS34145
172.0.0.0/8
ISPLLC TOMTEL
RU Russia
2011-12-21 14:11
2011-12-22 10:28
AS4323
172.0.0.0/8
ISPtw telecom
US United States
2011-04-21 12:53
2011-06-08 21:48
AS9903
172.0.0.0/8
IDCRajamangala Institute of Technology
TH Thailand
2010-10-10 16:15
2010-10-11 17:38
AS29449
172.0.0.0/8
ISPip telecom
IT Italy
2006-11-09 17:59
2006-11-09 18:08
AS25185
172.0.0.0/8
IDCRIPE NCC ASN block
/ --
2006-02-28 23:19
2006-02-28 23:26
AS12975
172.0.0.0/8
ISPPalestinian Telecommunications
PS Palestinian Territories
2004-11-08 00:02
2004-11-08 17:06
AS9684
172.0.0.0/8
IDCHANWHA Corp. Information Service div.
KR South Korea
2001-11-06 17:19
2001-11-06 17:26
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