AS Number
AS21589
AS Name
CSJ-INTERNET
Org Name
City of San Jose
Registry

arin

RegDate

1991-12-09

Updated

2019-05-21

AS21589 Looking Glass
IPv4Prefixes

24

IPv6Prefixes

1

IPv4 NUMs

8,704

IPv6 NUMs(/64)

65,536

8,704 IPv4 Addresses
CIDR Description IP Num
156.39.0.0/24 City of San Jose 256
156.39.1.0/24 City of San Jose 256
156.39.2.0/24 City of San Jose 256
156.39.3.0/24 City of San Jose 256
156.39.5.0/24 City of San Jose 256
156.39.10.0/24 City of San Jose 256
156.39.11.0/24 City of San Jose 256
156.39.12.0/24 City of San Jose 256
156.39.13.0/24 City of San Jose 256
156.39.15.0/24 City of San Jose 256
156.39.28.0/24 City of San Jose 256
156.39.48.0/21 City of San Jose 2048
156.39.60.0/24 City of San Jose 256
156.39.62.0/24 City of San Jose 256
156.39.63.0/24 City of San Jose 256
156.39.64.0/22 City of San Jose 1024
156.39.68.0/24 City of San Jose 256
156.39.69.0/24 City of San Jose 256
156.39.73.0/24 City of San Jose 256
156.39.99.0/24 City of San Jose 256
156.39.125.0/24 City of San Jose 256
156.39.127.0/24 City of San Jose 256
156.39.131.0/24 City of San Jose 256
156.39.160.0/24 City of San Jose 256
CIDR Description IP NUMs(prefix /64)
2001:470:f0::/48 Hurricane Electric LLC 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 551,680 282,631,682,457,600 IPv4 IPv4 IPv6 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 96,537,600 3,051,357,863,936 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,523,776 253,403,529,216 IPv4 IPv4
IP Address Domain NUMs Domains
156.39.0.251 1 connect.sanjoseca.gov
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


OrgAbuseHandle: DNSAD188-ARIN
OrgAbuseName:   DNS Admins
OrgAbusePhone:  +1-408-793-6831 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD188-ARIN

OrgTechHandle: CASTI255-ARIN
OrgTechName:   Castillo, James 
OrgTechPhone:  +1-408-793-6809 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CASTI255-ARIN

OrgTechHandle: DNSAD188-ARIN
OrgTechName:   DNS Admins
OrgTechPhone:  +1-408-793-6831 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD188-ARIN