12.192.228.31
ATT-INTERNET4, US


Seen 1 times between March 17th, 2017 and March 17th, 2017.


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)

Recent Screenshots

Direct hits
Summary of pages hosted on this IP

Domains webmail.monolithicpower.com | 1x

Recent scans (1 total) Show all

URL Age
webmail.monolithicpower.com/owa/auth/logon.aspx?replaceCurrent=1&url=http... 8 years

No incoming hits
Nothing talked to this IP

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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 12.192.228.31 | 1x

Domains webmail.monolithicpower.com | 1x

WHOIS for 12.192.228.31


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

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

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

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

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