AS Number
AS402021
AS Name
MT-WILSON-OBSERVATORY
Org Name
Mt. Wilson Observatory
Country / Region
United States
Registry

arin

RegDate

1992-04-02

Updated

2025-09-26

AS402021 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

256

IPv6 NUMs(/64)

0

CIDR Description IP Num
192.153.157.0/24
IRR InValid
Mt. Wilson Observatory 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 96,430,080 2,310,693,060,608 IPv4 IPv4

Whois Record

ASNumber 402021

ASNumber
402021
ASName
MT-WILSON-OBSERVATORY
ASHandle
RegDate
2025-09-24
Updated
2025-09-26
Ref
https://rdap.arin.net/registry/autnum/402021

OrgID MWO

OrgID
MWO
OrgName
Mt. Wilson Observatory
CanAllocate
Street
75 S Grand Avenue
City
Pasadena
State/Prov
CA
Country
US
PostalCode
91105
RegDate
1992-04-02
Updated
2025-09-26
OrgAdminHandle
JCT8-ARIN
OrgTechHandle
BARRU11-ARIN
JCT8-ARIN
LAUNL-ARIN
OrgAbuseHandle
BARRU11-ARIN
JCT8-ARIN
LAUNL-ARIN
Source
ARIN

OrgAdminHandleHandle JCT8-ARIN

OrgAdminHandleHandle
JCT8-ARIN
OrgAdminHandleName
Thompson, John
OrgAdminHandlePhone
+1-626-214-8030
OrgAdminHandleEmail
jthompson@mtwilson.edu
OrgAdminHandleRef
https://rdap.arin.net/registry/entity/JCT8-ARIN

OrgTechHandleHandle BARRU11-ARIN

OrgTechHandleHandle
BARRU11-ARIN
OrgTechHandleName
Barrus, Christopher
OrgTechHandlePhone
+1-626-214-8030
OrgTechHandleEmail
cbarrus@mtwilson.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/BARRU11-ARIN

OrgTechHandleHandle JCT8-ARIN

OrgTechHandleHandle
JCT8-ARIN
OrgTechHandleName
Thompson, John
OrgTechHandlePhone
+1-626-214-8030
OrgTechHandleEmail
jthompson@mtwilson.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/JCT8-ARIN

OrgTechHandleHandle LAUNL-ARIN

OrgTechHandleHandle
LAUNL-ARIN
OrgTechHandleName
Laun, Laura
OrgTechHandlePhone
+1-626-214-8030
OrgTechHandleEmail
llaun@mtwilson.edu
OrgTechHandleRef
https://rdap.arin.net/registry/entity/LAUNL-ARIN

OrgAbuseHandleHandle BARRU11-ARIN

OrgAbuseHandleHandle
BARRU11-ARIN
OrgAbuseHandleName
Barrus, Christopher
OrgAbuseHandlePhone
+1-626-214-8030
OrgAbuseHandleEmail
cbarrus@mtwilson.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/BARRU11-ARIN

OrgAbuseHandleHandle JCT8-ARIN

OrgAbuseHandleHandle
JCT8-ARIN
OrgAbuseHandleName
Thompson, John
OrgAbuseHandlePhone
+1-626-214-8030
OrgAbuseHandleEmail
jthompson@mtwilson.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/JCT8-ARIN

OrgAbuseHandleHandle LAUNL-ARIN

OrgAbuseHandleHandle
LAUNL-ARIN
OrgAbuseHandleName
Laun, Laura
OrgAbuseHandlePhone
+1-626-214-8030
OrgAbuseHandleEmail
llaun@mtwilson.edu
OrgAbuseHandleRef
https://rdap.arin.net/registry/entity/LAUNL-ARIN

RAbuseHandleHandle BARRU11-ARIN

RAbuseHandleHandle
BARRU11-ARIN
RAbuseHandleName
Barrus, Christopher
RAbuseHandlePhone
+1-626-214-8030
RAbuseHandleEmail
cbarrus@mtwilson.edu
RAbuseHandleRef
https://rdap.arin.net/registry/entity/BARRU11-ARIN

RAbuseHandleHandle JCT8-ARIN

RAbuseHandleHandle
JCT8-ARIN
RAbuseHandleName
Thompson, John
RAbuseHandlePhone
+1-626-214-8030
RAbuseHandleEmail
jthompson@mtwilson.edu
RAbuseHandleRef
https://rdap.arin.net/registry/entity/JCT8-ARIN

RNOCHandleHandle BARRU11-ARIN

RNOCHandleHandle
BARRU11-ARIN
RNOCHandleName
Barrus, Christopher
RNOCHandlePhone
+1-626-214-8030
RNOCHandleEmail
cbarrus@mtwilson.edu
RNOCHandleRef
https://rdap.arin.net/registry/entity/BARRU11-ARIN

RNOCHandleHandle JCT8-ARIN

RNOCHandleHandle
JCT8-ARIN
RNOCHandleName
Thompson, John
RNOCHandlePhone
+1-626-214-8030
RNOCHandleEmail
jthompson@mtwilson.edu
RNOCHandleRef
https://rdap.arin.net/registry/entity/JCT8-ARIN

RTechHandleHandle BARRU11-ARIN

RTechHandleHandle
BARRU11-ARIN
RTechHandleName
Barrus, Christopher
RTechHandlePhone
+1-626-214-8030
RTechHandleEmail
cbarrus@mtwilson.edu
RTechHandleRef
https://rdap.arin.net/registry/entity/BARRU11-ARIN

RTechHandleHandle JCT8-ARIN

RTechHandleHandle
JCT8-ARIN
RTechHandleName
Thompson, John
RTechHandlePhone
+1-626-214-8030
RTechHandleEmail
jthompson@mtwilson.edu
RTechHandleRef
https://rdap.arin.net/registry/entity/JCT8-ARIN

ASNumber:       402021
ASName:         MT-WILSON-OBSERVATORY
ASHandle:       AS402021
RegDate:        2025-09-24
Updated:        2025-09-26
Ref:            https://rdap.arin.net/registry/autnum/402021

OrgID:          MWO
OrgName:        Mt. Wilson Observatory
CanAllocate:    
Street:         75 S Grand Avenue
City:           Pasadena
State/Prov:     CA
Country:        US
PostalCode:     91105
RegDate:        1992-04-02
Updated:        2025-09-26
OrgAdminHandle  JCT8-ARIN
OrgTechHandle   BARRU11-ARIN
OrgTechHandle   JCT8-ARIN
OrgTechHandle   LAUNL-ARIN
OrgAbuseHandle  BARRU11-ARIN
OrgAbuseHandle  JCT8-ARIN
OrgAbuseHandle  LAUNL-ARIN
Source:         ARIN

OrgAdminHandleHandle:  JCT8-ARIN
OrgAdminHandleName:    Thompson, John
OrgAdminHandlePhone:   +1-626-214-8030
OrgAdminHandleEmail:   jthompson@mtwilson.edu
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/JCT8-ARIN

OrgTechHandleHandle:  BARRU11-ARIN
OrgTechHandleName:    Barrus, Christopher
OrgTechHandlePhone:   +1-626-214-8030
OrgTechHandleEmail:   cbarrus@mtwilson.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/BARRU11-ARIN

OrgTechHandleHandle:  JCT8-ARIN
OrgTechHandleName:    Thompson, John
OrgTechHandlePhone:   +1-626-214-8030
OrgTechHandleEmail:   jthompson@mtwilson.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/JCT8-ARIN

OrgTechHandleHandle:  LAUNL-ARIN
OrgTechHandleName:    Laun, Laura
OrgTechHandlePhone:   +1-626-214-8030
OrgTechHandleEmail:   llaun@mtwilson.edu
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/LAUNL-ARIN

OrgAbuseHandleHandle:  BARRU11-ARIN
OrgAbuseHandleName:    Barrus, Christopher
OrgAbuseHandlePhone:   +1-626-214-8030
OrgAbuseHandleEmail:   cbarrus@mtwilson.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/BARRU11-ARIN

OrgAbuseHandleHandle:  JCT8-ARIN
OrgAbuseHandleName:    Thompson, John
OrgAbuseHandlePhone:   +1-626-214-8030
OrgAbuseHandleEmail:   jthompson@mtwilson.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/JCT8-ARIN

OrgAbuseHandleHandle:  LAUNL-ARIN
OrgAbuseHandleName:    Laun, Laura
OrgAbuseHandlePhone:   +1-626-214-8030
OrgAbuseHandleEmail:   llaun@mtwilson.edu
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/LAUNL-ARIN

RAbuseHandleHandle:  BARRU11-ARIN
RAbuseHandleName:    Barrus, Christopher
RAbuseHandlePhone:   +1-626-214-8030
RAbuseHandleEmail:   cbarrus@mtwilson.edu
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/BARRU11-ARIN

RAbuseHandleHandle:  JCT8-ARIN
RAbuseHandleName:    Thompson, John
RAbuseHandlePhone:   +1-626-214-8030
RAbuseHandleEmail:   jthompson@mtwilson.edu
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/JCT8-ARIN

RNOCHandleHandle:  BARRU11-ARIN
RNOCHandleName:    Barrus, Christopher
RNOCHandlePhone:   +1-626-214-8030
RNOCHandleEmail:   cbarrus@mtwilson.edu
RNOCHandleRef:     https://rdap.arin.net/registry/entity/BARRU11-ARIN

RNOCHandleHandle:  JCT8-ARIN
RNOCHandleName:    Thompson, John
RNOCHandlePhone:   +1-626-214-8030
RNOCHandleEmail:   jthompson@mtwilson.edu
RNOCHandleRef:     https://rdap.arin.net/registry/entity/JCT8-ARIN

RTechHandleHandle:  BARRU11-ARIN
RTechHandleName:    Barrus, Christopher
RTechHandlePhone:   +1-626-214-8030
RTechHandleEmail:   cbarrus@mtwilson.edu
RTechHandleRef:     https://rdap.arin.net/registry/entity/BARRU11-ARIN

RTechHandleHandle:  JCT8-ARIN
RTechHandleName:    Thompson, John
RTechHandlePhone:   +1-626-214-8030
RTechHandleEmail:   jthompson@mtwilson.edu
RTechHandleRef:     https://rdap.arin.net/registry/entity/JCT8-ARIN