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ASN History
Network
AS Organization
Country
First Seen
Last Seen
121.199.128.0/18
IDCAlibaba (China)
China
2021-09-29 04:59
2021-09-29 05:00
121.199.128.0/17
IDCAlibaba (China)
China
2017-04-25 02:29
2017-04-25 16:02
121.199.0.0/16
IDCAlibaba (China)
China
2026-07-02 18:20
2026-08-18 00:32
121.199.0.0/16
ISPBeijing ZhongDianXinDa Communication Technology Co., Ltd.
China
2010-08-26 23:39
2012-01-31 00:03
121.199.0.0/16
ISPGolden-Bridge Netcom communication Co.,LTD.
China
2009-06-30 23:30
2010-12-23 17:24
121.199.0.0/16
ISPBeijing Dian-Xin-Tong Network Technologies Co.
China
2009-09-13 01:49
2010-12-14 16:10
121.199.0.0/16
IDCDevelopment & Research Center of State Council Net.
China
2009-03-24 20:36
2010-04-12 13:14
121.199.0.0/16
IDCCNIX-AP
China
2008-12-19 19:26
2010-04-12 13:14
121.199.0.0/16
ISPChina Tietong
China
2008-02-18 12:31
2009-11-27 10:02
121.199.0.0/16
IDCAbitcool(China) Inc.
China
2008-02-28 10:39
2009-09-11 16:54
121.199.0.0/16
IDC--
/ --
2009-08-11 02:51
2009-08-11 14:23
121.199.0.0/16
ISPGolden-Bridge Netcom communication Co.,LTD.
China
2009-06-15 17:18
2009-06-17 15:37
121.199.0.0/16
ISPChina TieTong/CTT
China
2008-04-14 18:10
2009-03-24 19:59
121.199.0.0/16
ISPCITICNET-CN
China
2008-05-13 22:30
2008-11-25 16:25
121.198.0.0/15
IDCCNIX-AP
China
2008-12-19 19:24
2012-01-31 00:03
121.198.0.0/15
ISPChina Tietong
China
2008-06-05 10:52
2012-01-16 23:08
121.198.0.0/15
ISPBeijing Dian-Xin-Tong Network Technologies Co.
China
2009-09-29 10:37
2011-08-31 18:32
121.198.0.0/15
ISPGolden-Bridge Netcom communication Co.,LTD.
China
2009-06-30 21:39
2010-12-21 20:06
121.198.0.0/15
IDC--
/ --
2009-08-11 02:51
2009-08-11 14:23
121.198.0.0/15
ISPCITICNET-CN
China
2008-09-25 12:06
2008-12-19 14:05
121.196.0.0/14
IDCAlibaba (China)
China
2018-01-02 17:57
2026-08-17 09:59
121.196.0.0/14
IDCFlat C, 16/F, Skyline Tower,
Hong Kong SAR China
2018-02-28 17:04
2018-03-06 15:18
121.196.0.0/14
IDCNational Institute of Informatics
Japan
2009-07-09 09:35
2009-07-09 09:54
121.128.0.0/9
ISPVerizon Business
United States
2006-05-02 02:38
2006-06-20 13:21
121.0.0.0/8
IDCRIPE NCC ASN block
/ --
2010-02-18 12:59
2010-02-18 13:01
121.0.0.0/8
ISPPTCL
Pakistan
2007-02-13 19:59
2007-02-14 14:24
121.0.0.0/8
ISPip telecom
Italy
2006-11-09 17:59
2006-11-09 18:08
121.0.0.0/8
IDCAbitcool(China) Inc.
China
2005-08-31 10:16
2005-11-25 05:30
121.0.0.0/8
ISPMTN SA
South Africa
2003-12-09 13:07
2005-08-11 17:45
121.0.0.0/8
ISPKertinis valstybes telekomunikaciju centras
Lithuania
2005-06-09 20:39
2005-06-09 21:21
121.0.0.0/8
IDC--
/ --
2004-06-18 04:47
2004-12-14 19:49
121.0.0.0/8
ISPTDCSONG
Sweden
2004-05-07 19:39
2004-05-26 13:58
121.0.0.0/8
IDCLevel 3 Parent, LLC
United States
2004-03-25 22:55
2004-03-26 01:41
121.0.0.0/8
ISPHarbor Communications
United States
2003-03-03 02:55
2003-03-03 03:44
Company History
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