AS21589 City of San Jose | IPGeolocation.io

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AS21589 – City of San Jose

AS Number	21589
AS Name	CSJ-INTERNET
Organization	City of San Jose(csj-1)
Country	US
Website	sanjoseca.gov
Number of IPv4 Routes	25
Number of IPv6 Routes	1
ASN type	GOVERNMENT
Allocation Status
Registry	ARIN
Date Allocated	N/A

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
156.39.60.0/24	AS21589	City of San Jose	City of San Jose	256
156.39.0.0/24	AS21589	City of San Jose	City of San Jose	256
156.39.73.0/24	AS21589	City of San Jose	City of San Jose	256
156.39.64.0/22	AS21589	City of San Jose	City of San Jose	1024
156.39.128.0/18	AS21589	City of San Jose	City of San Jose	16384
156.39.69.0/24	AS21589	City of San Jose	City of San Jose	256
156.39.125.0/24	AS21589	City of San Jose	City of San Jose	256
156.39.99.0/24	AS21589	City of San Jose	City of San Jose	256
156.39.131.0/24	AS21589	City of San Jose	City of San Jose	256
buy plan	AS21589	City of San Jose	City of San Jose	256
buy plan	AS21589	City of San Jose	City of San Jose	256
buy plan	AS21589	City of San Jose	City of San Jose	256
buy plan	AS21589	City of San Jose	City of San Jose	256
buy plan	AS21589	City of San Jose	City of San Jose	256

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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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       21589
ASName:         CSJ-INTERNET
ASHandle:       AS21589
RegDate:        2012-10-04
Updated:        2012-10-04    
Ref:            https://rdap.arin.net/registry/autnum/21589


OrgName:        City of San Jose
OrgId:          CSJ-1
Address:        200 E. Santa Clara St.
City:           San Jose
StateProv:      CA
PostalCode:     95113
Country:        US
RegDate:        1991-12-09
Updated:        2019-05-21
Ref:            https://rdap.arin.net/registry/entity/CSJ-1


OrgTechHandle: DNSAD188-ARIN
OrgTechName:   DNS Admins
OrgTechPhone:  +1-408-793-6831 
OrgTechEmail:  DNSAdmins@sanjoseca.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD188-ARIN

OrgTechHandle: CASTI255-ARIN
OrgTechName:   Castillo, James 
OrgTechPhone:  +1-408-793-6809 
OrgTechEmail:  james.castillo@sanjoseca.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/CASTI255-ARIN

OrgAbuseHandle: DNSAD188-ARIN
OrgAbuseName:   DNS Admins
OrgAbusePhone:  +1-408-793-6831 
OrgAbuseEmail:  DNSAdmins@sanjoseca.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD188-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS6939	Hurricane Electric LLC	US
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US