AS31 - CIT - California Institute of Technology, US

United States
AS Number
AS31
AS Name
CIT
Org Name
California Institute of Technology
Country / Region
United States
Registry

arin

RegDate

2023-08-22

Updated

2023-08-22

AS31 Looking Glass
IPv4Prefixes

12

IPv6Prefixes

1

IPv4 NUMs

131,840

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
131.215.0.0/16
IRR Valid
California Institute of Technology 65536
131.215.229.0/24
IRR Parent Valid
California Institute of Technology 256
131.215.230.0/24
IRR Parent Valid
California Institute of Technology 256
131.215.234.0/24
IRR Parent Valid
California Institute of Technology 256
131.215.239.0/24
IRR Parent Valid
California Institute of Technology 256
131.215.240.0/24
IRR Parent Valid
California Institute of Technology 256
131.215.242.0/23
IRR Parent Valid
California Institute of Technology 512
131.215.244.0/23
IRR Parent Valid
California Institute of Technology 512
134.4.0.0/16
IRR Valid
California Institute of Technology 65536
192.12.19.0/24
IRR Valid
California Institute of Technology 256
192.31.43.0/24
IRR Valid
California Institute of Technology 256
192.41.208.0/24
IRR Valid
California Institute of Technology 256
CIDR Description IP NUMs(prefix /64)
2607:f520::/32
California Institute of Technology 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,366,016 82,706,169,856 IPv4 IPv4
AS153 CTNOSC-ASN-153 - Headquarters, USAISC, US United States 256 16,908,288 IPv6 IPv6
AS2152 CENIC-2152 - CENIC, US United States 2,011,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS2153 CENIC-2153 - CENIC, US United States 4,608 16,842,752 IPv4 IPv4 IPv6 IPv6 
ASNumber:       31
ASName:         CIT
ASHandle:       AS31
RegDate:        1984-09-21
Updated:        2023-08-29
Ref:            https://rdap.arin.net/registry/autnum/31

OrgID:          CIT-4-Z
OrgName:        California Institute of Technology
CanAllocate:    
Street:         1200 East California Boulevard
Street:         MS 1-10
City:           Pasadena
State/Prov:     CA
Country:        US
PostalCode:     91125
RegDate:        2023-08-22
Updated:        2023-08-22
OrgAdminHandle  CI2-ORG-ARIN
OrgTechHandle   CI2-ORG-ARIN
OrgAbuseHandle  CI2-ORG-ARIN
Source:         ARIN

OrgTechHandleHandle:  CI2-ORG-ARIN
OrgTechHandleName:    Caltech Network Operations Center, 
OrgTechHandlePhone:   +1-626-395-3500
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

OrgAbuseHandleHandle:  CI2-ORG-ARIN
OrgAbuseHandleName:    Caltech Network Operations Center, 
OrgAbuseHandlePhone:   +1-626-395-3500
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

OrgAdminHandleHandle:  CI2-ORG-ARIN
OrgAdminHandleName:    Caltech Network Operations Center, 
OrgAdminHandlePhone:   +1-626-395-3500
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/CI2-ORG-ARIN

RTechHandleHandle:  CI2-ORG-ARIN
RTechHandleName:    Caltech Network Operations Center, 
RTechHandlePhone:   +1-626-395-3500
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/CI2-ORG-ARIN