// ASN
AS11891
COSL-ASN-01 - City of San Leandro, US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS11891
- Organization
- City of San Leandro
- Description
- COSL-ASN-01 - City of San Leandro, US
- Country
- US
- State / Region
- CA
- City
- San Leandro
- Address
- 835 E 14th Street
- Registry (RIR)
- ARIN
- Created
- 2016-12-13
- Updated
- 2025-06-06
- IPv4 Prefixes
- 1
- IPv6 Prefixes
- 0
IPv4 Prefixes
1 total12.21.101.0/24
What is AS11891?
AS11891 is an Autonomous System Number (ASN) assigned to City of San Leandro. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
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