ResearchRouting table, RPKI, IRR & looking glass

AS32058 Sinclair Broadcast Group, Inc.

AS32058 (SBG-AS1) is registered to Sinclair Broadcast Group, Inc. in US. It originates 23 prefixes in the global routing table.

21
IPv4 prefixes
2
IPv6 prefixes
5,376
IPv4 addresses
95%
RPKI valid

Who holds AS32058

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS32058
Handle
SBG-AS1
Organization
Sinclair Broadcast Group, Inc.
Country
US
ASPA
None published

What AS32058 announces

Prefixes originated by AS32058 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
21
IPv6 prefixes
2
IPv4 addresses
5,376 (21 /24s)
RPKI valid
22 95%
RPKI invalid
0
RPKI not found
1
ROAs naming AS32058
4
With an IRR route object
15 65%

Who AS32058 is reached through

The AS just before AS32058 in the paths our looking glass collectors hold, for 23 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
ARINSBG-AS1MNT-SINCLA-9

Route objects with origin AS32058: ARIN 19

as-sets that list AS32058 (11)