AS11891 - COSL-ASN-01 - City of San Leandro, US

United States
AS Number
AS11891
AS Name
COSL-ASN-01
Org Name
City of San Leandro
Country / Region
United States
Registry

arin

RegDate

2016-08-19

Updated

2026-08-04

AS11891 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

256

IPv6 NUMs(/64)

0

CIDR Description IP Num
12.21.101.0/24
IRR InValid
City of San Leandro 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 
ASNumber:       11891
ASName:         COSL-ASN-01
ASHandle:       AS11891
RegDate:        2024-04-01
Updated:        2024-04-01
Ref:            https://rdap.arin.net/registry/autnum/11891

OrgID:          CSL-533
OrgName:        City of San Leandro
CanAllocate:    
Street:         835 E 14th Street
City:           San Leandro
State/Prov:     CA
Country:        US
PostalCode:     94577
RegDate:        2016-08-19
Updated:        2026-08-04
OrgAdminHandle  ADMIN9417-ARIN
OrgTechHandle   TECHN2036-ARIN
OrgAbuseHandle  ABUSE9666-ARIN
Source:         ARIN

OrgTechHandleHandle:  TECHN2036-ARIN
OrgTechHandleName:    Technical, 
OrgTechHandlePhone:   +1-510-577-4357
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/TECHN2036-ARIN

OrgAbuseHandleHandle:  ABUSE9666-ARIN
OrgAbuseHandleName:    Abuse, 
OrgAbuseHandlePhone:   +1-510-577-4357
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/ABUSE9666-ARIN

OrgAdminHandleHandle:  ADMIN9417-ARIN
OrgAdminHandleName:    Administrative, 
OrgAdminHandlePhone:   +1-510-577-4357
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/ADMIN9417-ARIN