What is ASN AS395011?

ASN AS395011 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS395011?

AS395011 is listed under City and County of San Francisco.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS395011 City and County of San Francisco

ASN Lookup Tool

City and County of San Francisco sfgov.org

US 2 Routes

AS Data

AS395011

AS395011 – City and County of San Francisco

AS Number	395011
AS Name	SF-PSN
Organization	City and County of San Francisco(ccsf-8)
Country	US
Website	sfgov.org
Number of IPv4 Routes	1
Number of IPv6 Routes	1
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2024-04-30

ASN Intelligence API for production workflows

Use ASN data for AS395011 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2607:b040::/32	AS395011	City and County of San Francisco	City and County of San Francisco	~79×10²⁷
50.145.45.0/24	AS395011	City and County of San Francisco	City & County of San Francisco CALNET	256

Raw Whois Response

#
# 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.
#


ASNumber:       395011
ASName:         SF-PSN
ASHandle:       AS395011
RegDate:        2024-04-30
Updated:        2024-07-12    
Ref:            https://rdap.arin.net/registry/autnum/395011


OrgName:        City and County of San Francisco
OrgId:          CCSF-8
Address:        1 South Van Ness Ave, 2nd Flr,
City:           San Francisco
StateProv:      CA
PostalCode:     94103
Country:        US
RegDate:        2024-03-01
Updated:        2024-05-14
Ref:            https://rdap.arin.net/registry/entity/CCSF-8


OrgRoutingHandle: BELLB45-ARIN
OrgRoutingName:   Bell, Bradley 
OrgRoutingPhone:  +1-949-216-0013 
OrgRoutingEmail:  brad.bell@sfgov.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/BELLB45-ARIN

OrgTechHandle: PUBLI3-ARIN
OrgTechName:   Public-Safety-List
OrgTechPhone:  +1-628-652-5000 
OrgTechEmail:  TIS-FTH-Network@sfgov.org
OrgTechRef:    https://rdap.arin.net/registry/entity/PUBLI3-ARIN

OrgAbuseHandle: PUBLI3-ARIN
OrgAbuseName:   Public-Safety-List
OrgAbusePhone:  +1-628-652-5000 
OrgAbuseEmail:  TIS-FTH-Network@sfgov.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PUBLI3-ARIN

OrgNOCHandle: PUBLI3-ARIN
OrgNOCName:   Public-Safety-List
OrgNOCPhone:  +1-628-652-5000 
OrgNOCEmail:  TIS-FTH-Network@sfgov.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/PUBLI3-ARIN

OrgDNSHandle: PUBLI3-ARIN
OrgDNSName:   Public-Safety-List
OrgDNSPhone:  +1-628-652-5000 
OrgDNSEmail:  TIS-FTH-Network@sfgov.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/PUBLI3-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.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS33667	Comcast Cable Communications, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33667	Comcast Cable Communications, LLC	US
AS33651	Comcast Cable Communications, LLC	US