AS21519 - SBG-AS2 - Sinclair Broadcast Group, Inc., US

United States
AS Number
AS21519
AS Name
SBG-AS2
Org Name
Sinclair Broadcast Group, Inc.
Country / Region
United States
Registry

arin

RegDate

2001-06-27

Updated

2026-08-11

AS21519 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

0

IPv4 NUMs

1,024

IPv6 NUMs(/64)

0

CIDR Description IP Num
208.73.28.0/22
IRR Valid
Sinclair Broadcast Group, Inc. 1024
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS701 UUNET - Verizon Business, US United States 41,642,496 1,249,852,784,640 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4 
ASNumber:       21519
ASName:         SBG-AS2
ASHandle:       AS21519
RegDate:        2016-03-08
Updated:        2016-03-08
Ref:            https://rdap.arin.net/registry/autnum/21519

OrgID:          SINCLA-9
OrgName:        Sinclair Broadcast Group, Inc.
CanAllocate:    
Street:         10706 Beaver Dam Rd
City:           Cockeysville
State/Prov:     MD
Country:        US
PostalCode:     21030
RegDate:        2001-06-27
Updated:        2026-08-11
OrgAdminHandle  JFM69-ARIN
OrgTechHandle   JNL15-ARIN
OrgTechHandle   ROBER1896-ARIN
OrgTechHandle   SMIGA-ARIN
OrgAbuseHandle  ABUSE9605-ARIN
OrgNOCHandle    SINCL70-ARIN
Source:         ARIN

OrgAdminHandleHandle:  JFM69-ARIN
OrgAdminHandleName:    McClure, John
OrgAdminHandlePhone:   +1-410-568-1636
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/JFM69-ARIN

OrgTechHandleHandle:  JNL15-ARIN
OrgTechHandleName:    Laughton, John
OrgTechHandlePhone:   +1-410-568-1547
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/JNL15-ARIN

OrgTechHandleHandle:  ROBER1896-ARIN
OrgTechHandleName:    Robertson, Omar
OrgTechHandlePhone:   +1-410-891-3318
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/ROBER1896-ARIN

OrgTechHandleHandle:  SMIGA-ARIN
OrgTechHandleName:    Smigal, Matt
OrgTechHandlePhone:   +1-410-891-3567
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/SMIGA-ARIN

OrgAbuseHandleHandle:  ABUSE9605-ARIN
OrgAbuseHandleName:    Abuse, 
OrgAbuseHandlePhone:   +1-410-568-1500
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/ABUSE9605-ARIN

OrgNOCHandleHandle:  SINCL70-ARIN
OrgNOCHandleName:    SinclarNOC, 
OrgNOCHandlePhone:   +1-800-228-2873
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/SINCL70-ARIN