12.192.228.32
ATT-INTERNET4, US


Seen 5 times between January 13th, 2020 and October 22nd, 2021.


General Info Open in Search

Geo San Francisco, California, United States (US) —
AS AS7018 - ATT-INTERNET4, US
Note: An IP might be announced by multiple ASs. This is not shown.
Registrar ARIN
Route 12.128.0.0/9 (Route of ASN)
PTR mpsmail.monolithicpower.com(PTR record of primary IP)

Recent Screenshots

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Recent screenshots
Screenshots of pages hosted on this IP

Related infrastructure
Summary of infrastructure which pages hosted on this IP frequently talked to

IPs 12.192.228.32 | 5x

Domains webmail.monolithicpower.com | 5x

Recently observed hostnames on '12.192.228.32'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.

mail.monolithicpower.com | 2018-10-24 mps-mslbn01.monolithicpower.com | 2018-10-10 mpsmail.monolithicpower.com | 2016-02-17 webmail.monolithicpower.com | 2015-07-25

Attention: These domains and hostnames were discovered through Certificate Transparency (CT) Logs and have been irrevocably published as part of the public record. There is no mechanism for us or anyone else to remove this information from the Internet.

WHOIS for 12.192.228.32


NetRange:       12.0.0.0 - 12.255.255.255
CIDR:           12.0.0.0/8
NetName:        ATT
NetHandle:      NET-12-0-0-0-1
Parent:         NET12 (NET-12-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   AT&T Services, Inc. (ATTW-Z)
RegDate:        1983-08-23
Updated:        2024-07-30
Comment:        For abuse issues contact abuse@att.net
Ref:            https://rdap.arin.net/registry/ip/12.0.0.0

OrgName:        AT&T Services, Inc.
OrgId:          ATTW-Z
Address:        200 S. Laurel AVE.
City:           MIDDLETOWN
StateProv:      NJ
PostalCode:     07748
Country:        US
RegDate:        2009-12-18
Updated:        2024-05-28
Comment:        Contact AT&T Abuse ( abuse@att.net ) for policy abuse issues.
Comment:        All policy abuse issues sent to other POCs will be disregarded.
Ref:            https://rdap.arin.net/registry/entity/ATTW-Z

OrgAbuseHandle: ATTAB-ARIN
OrgAbuseName:   ATT Abuse
OrgAbusePhone:  +1-999-999-9999 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ATTAB-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgTechHandle: IPSWI-ARIN
OrgTechName:   IP SWIP
OrgTechPhone:  +1-888-613-6330 
OrgTechEmail:  help@ip.att.net
OrgTechRef:    https://rdap.arin.net/registry/entity/IPSWI-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  rm-ipspecialist@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  routing@cbbtier3.att.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

RTechHandle: IAA17-ARIN
RTechName:   IP Address Administration
RTechPhone:  +1-732-420-2071 
RTechEmail:  addrmgt@qsun.att.com
RTechRef:    https://rdap.arin.net/registry/entity/IAA17-ARIN

NetRange:       12.192.228.0 - 12.192.228.255
CIDR:           12.192.228.0/24
NetName:        MONOLITH154-228
NetHandle:      NET-12-192-228-0-1
Parent:         ATT (NET-12-0-0-0-1)
NetType:        Reassigned
OriginAS:       
Organization:   MONOLITHIC POWER SYSTEMS (MONOL-2)
RegDate:        2010-10-29
Updated:        2010-10-29
Ref:            https://rdap.arin.net/registry/ip/12.192.228.0

OrgName:        MONOLITHIC POWER SYSTEMS
OrgId:          MONOL-2
Address:        6409 GUADALUPE MINES RD
City:           SJ
StateProv:      CA
PostalCode:     95120
Country:        US
RegDate:        2009-05-14
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/MONOL-2

OrgAbuseHandle: JHI143-ARIN
OrgAbuseName:   Hieh, Jerry 
OrgAbusePhone:  +1-408-826-0681 
OrgAbuseEmail:  Jerry.Hsieh@monolithicpower.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JHI143-ARIN

OrgTechHandle: JHI143-ARIN
OrgTechName:   Hieh, Jerry 
OrgTechPhone:  +1-408-826-0681 
OrgTechEmail:  Jerry.Hsieh@monolithicpower.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JHI143-ARIN