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 92,807,680 2,306,398,093,312 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


OrgName:        City of San Leandro
OrgId:          CSL-533
Address:        835 E 14th Street
City:           San Leandro
StateProv:      CA
PostalCode:     94577
Country:        US
RegDate:        2016-08-19
Updated:        2026-08-04
Ref:            https://rdap.arin.net/registry/entity/CSL-533


OrgTechHandle: TECHN2036-ARIN
OrgTechName:   Technical
OrgTechPhone:  +1-510-577-4357 
OrgTechEmail:  ARIN-Technical@sanleandro.org
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN2036-ARIN

OrgAbuseHandle: ABUSE9666-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-510-577-4357 
OrgAbuseEmail:  ARIN-Abuse@sanleandro.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9666-ARIN