AS45361 Ulsan Jung-Ang Broadcasting Network

South Korea JCN-AS-KR APNIC 20 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
151,040
IPv6 /48 networks
0
RPKI
0 valid20 no ROA
Peers and downstreams
1

Holder

AS name
JCN-AS-KR
Description
Ulsan Jung-Ang Broadcasting Network
Organisation
Ulsan Jung-Ang Broadcasting Network
Abuse contact
Not published
Assigned
2008-08-18

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 47/100
fail Prefixes covered by valid ROAs
0 of 20 announced prefixes are RPKI valid, 20 have no ROA.
0/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
fail Announces IPv6
No IPv6 prefixes are announced.
0/15
pass More than one upstream
4 upstreams seen in BGP.
10/10
pass Working abuse contact
hostmaster@nic.or.kr is published.
15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.
10/10
n/a Registry record maintained
We have no change date for this record.

Routing changes

Last 30 days
2026-10-05 15:22 UTCRelationship changed AS9957 upstream to peer

WHOIS

aut-num:        AS45361
as-name:        JCN-AS-KR-KR
handle:         AS45361
remarks:        Ulsan Jung-Ang Broadcasting Network
administrative,technical:CK1641-KR (AS Manager) <ckcho@jcntv.co.kr>
abuse:          IRT-KRNIC-KR (IRT-KRNIC-KR) <hostmaster@nic.or.kr>
source:         APNIC (RDAP)