AS18731 - CITYSIDE-01 - Cityside Fiber, US

United States
AS Number
AS18731
AS Name
CITYSIDE-01
Org Name
Cityside Fiber
Country / Region
United States
Registry

arin

RegDate

2023-10-05

Updated

2026-07-14

AS18731 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

4

IPv4 NUMs

768

IPv6 NUMs(/64)

4,294,967,296

CIDR Description IP Num
23.164.40.0/24
Cityside Fiber 256
128.177.138.0/24
IRR InValid
Cityside Networks 256
154.50.58.0/24
IRR InValid
Cityside Fiber 256
CIDR Description IP NUMs(prefix /64)
2607:73c0::/33
Cityside Fiber 2147483648
2607:73c0::/32
Cityside Fiber 4294967296
2607:73c0:100::/48
Cityside Fiber 65536
2607:73c0:8000::/33
Cityside Fiber 2147483648
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4 IPv6 IPv6
AS1000 LINK-AMERICAN - LINK AMERICAN, US United States 0 0 IPv4 IPv4
AS1239 COGENT-1239 - Cogent Communications, LLC, US United States 0 210,729,631,744 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4 IPv6 IPv6 
ASNumber:       18731
ASName:         CITYSIDE-01
ASHandle:       AS18731
RegDate:        2023-10-12
Updated:        2023-10-12
Ref:            https://rdap.arin.net/registry/autnum/18731

OrgID:          CNL-178
OrgName:        Cityside Fiber
CanAllocate:    
Street:         100 Spectrum Center Dr suite 500
City:           Irvine
State/Prov:     CA
Country:        US
PostalCode:     92618
RegDate:        2023-10-05
Updated:        2026-07-14
OrgAdminHandle  SIMON405-ARIN
OrgTechHandle   MCCRO140-ARIN
OrgTechHandle   MOORE1860-ARIN
OrgTechHandle   SIMON405-ARIN
OrgTechHandle   VARIA2-ARIN
OrgAbuseHandle  PELAG1-ARIN
OrgAbuseHandle  SIMON405-ARIN
OrgNOCHandle    PELAG1-ARIN
OrgNOCHandle    SIMON405-ARIN
OrgRoutingHandle MCCRO140-ARIN
OrgRoutingHandle MOORE1860-ARIN
OrgRoutingHandle SIMON405-ARIN
OrgRoutingHandle VARIA2-ARIN
OrgDNSHandle    MCCRO140-ARIN
OrgDNSHandle    MOORE1860-ARIN
OrgDNSHandle    SIMON405-ARIN
OrgDNSHandle    VARIA2-ARIN
Source:         ARIN

OrgRoutingHandleHandle:  MCCRO140-ARIN
OrgRoutingHandleName:    McCroan, Edward
OrgRoutingHandlePhone:   +1-949-779-2489
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/MCCRO140-ARIN

OrgRoutingHandleHandle:  MOORE1860-ARIN
OrgRoutingHandleName:    Moore, Logan
OrgRoutingHandlePhone:   +1-309-267-8574
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/MOORE1860-ARIN

OrgRoutingHandleHandle:  SIMON405-ARIN
OrgRoutingHandleName:    Simon, Jacob
OrgRoutingHandlePhone:   +1-727-599-9912
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/SIMON405-ARIN

OrgRoutingHandleHandle:  VARIA2-ARIN
OrgRoutingHandleName:    Varia, Margi
OrgRoutingHandlePhone:   +1-818-406-3672
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/VARIA2-ARIN

OrgDNSHandleHandle:  MCCRO140-ARIN
OrgDNSHandleName:    McCroan, Edward
OrgDNSHandlePhone:   +1-949-779-2489
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/MCCRO140-ARIN

OrgDNSHandleHandle:  MOORE1860-ARIN
OrgDNSHandleName:    Moore, Logan
OrgDNSHandlePhone:   +1-309-267-8574
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/MOORE1860-ARIN

OrgDNSHandleHandle:  SIMON405-ARIN
OrgDNSHandleName:    Simon, Jacob
OrgDNSHandlePhone:   +1-727-599-9912
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/SIMON405-ARIN

OrgDNSHandleHandle:  VARIA2-ARIN
OrgDNSHandleName:    Varia, Margi
OrgDNSHandlePhone:   +1-818-406-3672
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/VARIA2-ARIN

OrgAdminHandleHandle:  SIMON405-ARIN
OrgAdminHandleName:    Simon, Jacob
OrgAdminHandlePhone:   +1-727-599-9912
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/SIMON405-ARIN

OrgTechHandleHandle:  MCCRO140-ARIN
OrgTechHandleName:    McCroan, Edward
OrgTechHandlePhone:   +1-949-779-2489
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MCCRO140-ARIN

OrgTechHandleHandle:  MOORE1860-ARIN
OrgTechHandleName:    Moore, Logan
OrgTechHandlePhone:   +1-309-267-8574
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MOORE1860-ARIN

OrgTechHandleHandle:  SIMON405-ARIN
OrgTechHandleName:    Simon, Jacob
OrgTechHandlePhone:   +1-727-599-9912
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/SIMON405-ARIN

OrgTechHandleHandle:  VARIA2-ARIN
OrgTechHandleName:    Varia, Margi
OrgTechHandlePhone:   +1-818-406-3672
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/VARIA2-ARIN

OrgAbuseHandleHandle:  PELAG1-ARIN
OrgAbuseHandleName:    Pelagio, Raul
OrgAbuseHandlePhone:   +1-877-914-2489
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/PELAG1-ARIN

OrgAbuseHandleHandle:  SIMON405-ARIN
OrgAbuseHandleName:    Simon, Jacob
OrgAbuseHandlePhone:   +1-727-599-9912
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/SIMON405-ARIN

OrgNOCHandleHandle:  PELAG1-ARIN
OrgNOCHandleName:    Pelagio, Raul
OrgNOCHandlePhone:   +1-877-914-2489
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/PELAG1-ARIN

OrgNOCHandleHandle:  SIMON405-ARIN
OrgNOCHandleName:    Simon, Jacob
OrgNOCHandlePhone:   +1-727-599-9912
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/SIMON405-ARIN