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AS131793 Green Technology Center

South Korea GTCK-AS-KR APNIC 6 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
160
IPv6 /48 networks
0
RPKI
0 valid6 no ROA
Peers and downstreams
0

Holder

AS name
GTCK-AS-KR
Description
Green Technology Center
Organisation
Green Technology Center
Abuse contact
Not published
Assigned
2011-07-31

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS4766 Korea Telecom AS4766 · KR Korea Telecom AS131793 Green Technology Center AS131793 · KR Green Technology Cent…

Network health

Grade E · 32/100
fail Prefixes covered by valid ROAs
0 of 6 announced prefixes are RPKI valid, 6 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
partly More than one upstream
1 upstream seen in BGP.		 5/10
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
fail No prefixes smaller than /24 or /48
6 prefixes are smaller than most networks accept (210.107.122.160/27, 211.192.64.0/25, 211.192.64.0/27).		 0/10
n/a Registry record maintained
We have no change date for this record.
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS131793 health AS131793 RPKI
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Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days
2026-10-04 12:34 UTCNew prefix 211.192.64.64/27
2026-10-04 12:34 UTCNew prefix 211.192.64.0/27
2026-10-04 12:34 UTCNew prefix 210.107.122.160/27
2026-10-04 12:34 UTCNew prefix 211.192.64.96/27
2026-10-04 12:34 UTCNew prefix 211.192.64.32/27

WHOIS

aut-num:        AS131793
as-name:        GTCK-AS-KR-KR
handle:         AS131793
remarks:        Green Technology Center
administrative,technical:AM6722-KR (AS Manager) <mykim@nigt.re.kr>
abuse:          IRT-KRNIC-KR (IRT-KRNIC-KR) <hostmaster@nic.or.kr>
source:         APNIC (RDAP)