395323 SMC - County of San Mateo, US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS11404 AS-WAVE-1 - Wave Broadband, US
AS33651 CMCS - Comcast Cable Communications, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7926 AS395323 ORIGIN Originate: 16384 /18.00 Transit: 0 /0.00 SMC - County of San Mateo, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 29589 AS395323 SMC - County of San Mateo, US 3 1 0 2 1 33.33% Prefix AS Path Aggregation Suggestion 204.114.32.0/19 4608 7575 11404 395323 204.114.32.0/20 4777 2516 7922 33651 395323 204.114.48.0/20 4608 7575 11404 395323 - Withdrawn - matching aggregate 204.114.32.0/19 4608 7575 11404 395323
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS395323 2 More Specifics 3 Total Advertisements SMC - County of San Mateo, US
204.114.32.0/20 204.114.32.0/19
204.114.48.0/20 204.114.32.0/19
whois: 402591
IANA has recorded AS395323 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS395323\n
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ASNumber: 395323
ASName: SMC
ASHandle: AS395323
RegDate: 2016-06-28
Updated: 2016-06-28
Ref: https://rdap.arin.net/registry/autnum/395323
OrgName: County of San Mateo
OrgId: CSM-13
Address: 455 County Government Center
City: Redwood City
StateProv: CA
PostalCode: 94063
Country: US
RegDate: 1994-03-10
Updated: 2026-01-21
Ref: https://rdap.arin.net/registry/entity/CSM-13
OrgTechHandle: YUSON6-ARIN
OrgTechName: Yuson, Anthony
OrgTechPhone: +1-650-599-1065
OrgTechEmail: ayuson@smcgov.org
OrgTechRef: https://rdap.arin.net/registry/entity/YUSON6-ARIN
OrgNOCHandle: YUSON6-ARIN
OrgNOCName: Yuson, Anthony
OrgNOCPhone: +1-650-599-1065
OrgNOCEmail: ayuson@smcgov.org
OrgNOCRef: https://rdap.arin.net/registry/entity/YUSON6-ARIN
OrgTechHandle: POSTE14-ARIN
OrgTechName: Postelnicu, Ana
OrgTechPhone: +1-650-766-3815
OrgTechEmail: apostelnicu@smcgov.org
OrgTechRef: https://rdap.arin.net/registry/entity/POSTE14-ARIN
OrgNOCHandle: POSTE14-ARIN
OrgNOCName: Postelnicu, Ana
OrgNOCPhone: +1-650-766-3815
OrgNOCEmail: apostelnicu@smcgov.org
OrgNOCRef: https://rdap.arin.net/registry/entity/POSTE14-ARIN
OrgAbuseHandle: CSMNS-ARIN
OrgAbuseName: County of San Mate Network Service
OrgAbusePhone: +1-650-599-1317
OrgAbuseEmail: ISD_Network@smcgov.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/CSMNS-ARIN
OrgRoutingHandle: POSTE14-ARIN
OrgRoutingName: Postelnicu, Ana
OrgRoutingPhone: +1-650-766-3815
OrgRoutingEmail: apostelnicu@smcgov.org
OrgRoutingRef: https://rdap.arin.net/registry/entity/POSTE14-ARIN
OrgDNSHandle: POSTE14-ARIN
OrgDNSName: Postelnicu, Ana
OrgDNSPhone: +1-650-766-3815
OrgDNSEmail: apostelnicu@smcgov.org
OrgDNSRef: https://rdap.arin.net/registry/entity/POSTE14-ARIN
OrgAbuseHandle: POSTE14-ARIN
OrgAbuseName: Postelnicu, Ana
OrgAbusePhone: +1-650-766-3815
OrgAbuseEmail: apostelnicu@smcgov.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/POSTE14-ARIN
OrgTechHandle: CSMNS-ARIN
OrgTechName: County of San Mate Network Service
OrgTechPhone: +1-650-599-1317
OrgTechEmail: ISD_Network@smcgov.org
OrgTechRef: https://rdap.arin.net/registry/entity/CSMNS-ARIN
OrgNOCHandle: CSMNS-ARIN
OrgNOCName: County of San Mate Network Service
OrgNOCPhone: +1-650-599-1317
OrgNOCEmail: ISD_Network@smcgov.org
OrgNOCRef: https://rdap.arin.net/registry/entity/CSMNS-ARIN
OrgNOCHandle: MOHAM115-ARIN
OrgNOCName: Mohammed, Omer
OrgNOCPhone: +1-510-385-5373
OrgNOCEmail: omohammed@smcgov.org
OrgNOCRef: https://rdap.arin.net/registry/entity/MOHAM115-ARIN
OrgAbuseHandle: MOHAM115-ARIN
OrgAbuseName: Mohammed, Omer
OrgAbusePhone: +1-510-385-5373
OrgAbuseEmail: omohammed@smcgov.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/MOHAM115-ARIN
OrgRoutingHandle: YUSON6-ARIN
OrgRoutingName: Yuson, Anthony
OrgRoutingPhone: +1-650-599-1065
OrgRoutingEmail: ayuson@smcgov.org
OrgRoutingRef: https://rdap.arin.net/registry/entity/YUSON6-ARIN
OrgTechHandle: MOHAM115-ARIN
OrgTechName: Mohammed, Omer
OrgTechPhone: +1-510-385-5373
OrgTechEmail: omohammed@smcgov.org
OrgTechRef: https://rdap.arin.net/registry/entity/MOHAM115-ARIN
OrgDNSHandle: YUSON6-ARIN
OrgDNSName: Yuson, Anthony
OrgDNSPhone: +1-650-599-1065
OrgDNSEmail: ayuson@smcgov.org
OrgDNSRef: https://rdap.arin.net/registry/entity/YUSON6-ARIN
OrgAbuseHandle: YUSON6-ARIN
OrgAbuseName: Yuson, Anthony
OrgAbusePhone: +1-650-599-1065
OrgAbuseEmail: ayuson@smcgov.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/YUSON6-ARIN
OrgRoutingHandle: MOHAM115-ARIN
OrgRoutingName: Mohammed, Omer
OrgRoutingPhone: +1-510-385-5373
OrgRoutingEmail: omohammed@smcgov.org
OrgRoutingRef: https://rdap.arin.net/registry/entity/MOHAM115-ARIN
OrgDNSHandle: MOHAM115-ARIN
OrgDNSName: Mohammed, Omer
OrgDNSPhone: +1-510-385-5373
OrgDNSEmail: omohammed@smcgov.org
OrgDNSRef: https://rdap.arin.net/registry/entity/MOHAM115-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#