AS11212 COUNTY OF SONOMA 🇺🇸 US

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,024 (4 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS11212
Name: COUNTY OF SONOMA
Organisation: COUNTY OF SONOMA
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2007-05-21

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (33.3%) 0 invalid (0.0%) 2 no ROA (66.7%)

Whois

Fetched from whois.arin.net

ASNumber:       11212
ASName:         COUNTY-OF-SONOMA
ASHandle:       AS11212
RegDate:        2007-05-21
Updated:        2025-10-04
Ref:            https://rdap.arin.net/registry/autnum/11212

OrgName:        COUNTY OF SONOMA
OrgId:          COUNT-45
Address:        585 FISCAL DR
City:           SANTA ROSA
StateProv:      CA
PostalCode:     95403
Country:        US
RegDate:        2007-04-17
Updated:        2025-07-14
Ref:            https://rdap.arin.net/registry/entity/COUNT-45

OrgAbuseHandle: WALSH268-ARIN
OrgAbuseName:   Walsh, John
OrgAbusePhone:  +1-707-565-8253
OrgAbuseEmail:  John.Walsh@sonomacounty.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/WALSH268-ARIN

OrgAbuseHandle: ISO29-ARIN
OrgAbuseName:   Information Security Officer
OrgAbusePhone:  +1-707-565-5110
OrgAbuseEmail:  iso@sonoma-county.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISO29-ARIN

OrgTechHandle: WALSH268-ARIN
OrgTechName:   Walsh, John
OrgTechPhone:  +1-707-565-8253
OrgTechEmail:  John.Walsh@sonomacounty.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/WALSH268-ARIN

OrgTechHandle: KAISE105-ARIN
OrgTechName:   Kaiser, Jonathan
OrgTechPhone:  +1-707-565-2712
OrgTechEmail:  jon.kaiser@sonomacounty.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/KAISE105-ARIN

RTechHandle: KAISE105-ARIN
RTechName:   Kaiser, Jonathan
RTechPhone:  +1-707-565-2712
RTechEmail:  jon.kaiser@sonomacounty.gov
RTechRef:    https://rdap.arin.net/registry/entity/KAISE105-ARIN