206208 looking glass

AS21519 Sinclair Broadcast Group, Inc. 🇺🇸 US

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes
1
1,024 (4 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS21519
Name
Sinclair Broadcast Group, Inc.
Organisation
Sinclair Broadcast
Country
🇺🇸 US
RIR
ARIN
Allocated
2016-03-08
Scope
Not Disclosed
Peering policy
Open
Website
https://sbgi.net/
PeeringDB
net/22886

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.arin.net

ASNumber:       21519
ASName:         SBG-AS2
ASHandle:       AS21519
RegDate:        2016-03-08
Updated:        2016-03-08
Ref:            https://rdap.arin.net/registry/autnum/21519

OrgName:        Sinclair Broadcast Group, Inc.
OrgId:          SINCLA-9
Address:        10706 Beaver Dam Rd
City:           Cockeysville
StateProv:      MD
PostalCode:     21030
Country:        US
RegDate:        2001-06-27
Updated:        2026-08-11
Ref:            https://rdap.arin.net/registry/entity/SINCLA-9

OrgTechHandle: ROBER1896-ARIN
OrgTechName:   Robertson, Omar
OrgTechPhone:  +1-410-891-3318
OrgTechEmail:  oorobertson@sbgtv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROBER1896-ARIN

OrgAbuseHandle: ABUSE9605-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-410-568-1500
OrgAbuseEmail:  ml-sinclair-it-security@sbgtv.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9605-ARIN

OrgTechHandle: JNL15-ARIN
OrgTechName:   Laughton, John N.
OrgTechPhone:  +1-410-568-1547
OrgTechEmail:  jlaughto@sbgnet.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JNL15-ARIN

OrgNOCHandle: SINCL70-ARIN
OrgNOCName:   SinclarNOC
OrgNOCPhone:  +1-800-228-2873
OrgNOCEmail:  ml-Corp-Sinclair-NOC@sbgtv.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SINCL70-ARIN

OrgTechHandle: SMIGA-ARIN
OrgTechName:   Smigal, Matt
OrgTechPhone:  +1-410-891-3567
OrgTechEmail:  mjsmigal@sbgtv.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SMIGA-ARIN