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AS4668 LG CNS

South Korea LGNET-AS-KR APNIC 63 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
410,352
IPv6 /48 networks
0
RPKI
0 valid63 no ROA
Peers and downstreams
1

Holder

AS name
LGNET-AS-KR
Description
LG CNS
Organisation
LG CNS
Abuse contact
Not published
Assigned
1995-09-20
115.91.28.0/24121.50.16.0/20124.46.0.0/17150.150.0.0/16156.147.0.0/16156.147.161.0/24156.147.61.0/24156.147.69.0/24165.186.0.0/16165.186.12.0/24165.186.14.0/24165.186.173.0/24165.186.174.0/24165.186.175.0/24165.186.2.0/23165.186.20.0/22165.186.209.0/24165.186.210.0/23165.186.212.0/24165.186.24.0/22165.186.255.0/24165.186.28.0/23165.186.30.0/23165.186.32.0/21165.186.4.0/22165.186.40.0/22165.186.47.0/24165.186.49.0/24165.186.51.0/24165.186.52.0/22165.186.56.0/22165.186.60.0/22165.186.65.0/24165.186.8.0/22165.186.89.0/24165.186.90.0/23165.186.92.0/23165.186.93.0/24165.243.0.0/16165.243.135.0/24165.243.136.0/24165.243.137.0/24165.243.145.0/24165.244.0.0/16175.211.10.0/24202.21.0.0/21203.247.128.0/19210.216.226.0/24210.216.227.0/24211.176.27.0/24211.180.161.0/24211.181.49.0/24211.217.204.0/24220.73.10.0/24222.231.44.128/2527.122.128.0/1727.122.199.0/2427.122.240.0/2061.33.188.0/2761.33.239.192/2861.33.252.128/2561.35.238.128/2561.40.84.64/26

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 AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS25091 IP-Max SA AS25091 · CH IP-Max SA AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS701 Uunet AS701 · US Uunet AS4766 Korea Telecom AS4766 · KR Korea Telecom AS3786 LG DACOM Corporation AS3786 · KR LG DACOM Corporation AS9318 SK Broadband Co Ltd AS9318 · KR SK Broadband Co Ltd AS4668 LG CNS AS4668 · KR LG CNS

Network health

Grade E · 37/100
fail Prefixes covered by valid ROAs
0 of 63 announced prefixes are RPKI valid, 63 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
3 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
fail No prefixes smaller than /24 or /48
6 prefixes are smaller than most networks accept (222.231.44.128/25, 61.33.188.0/27, 61.33.239.192/28).		 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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Routing changes

Last 30 days
2026-10-05 00:39 UTCRelationship changed AS9957 upstream to peer
2026-10-05 00:39 UTCNew prefix 61.40.84.64/26
2026-10-05 00:39 UTCNew prefix 61.33.239.192/28
2026-10-05 00:39 UTCNew prefix 115.91.28.0/24
2026-10-05 00:39 UTCNew prefix 61.33.188.0/27

WHOIS

aut-num:        AS4668
as-name:        LGNET-AS-KR-KR
handle:         AS4668
remarks:        LG CNS
administrative,technical:EJ21-KR (AS Manager) <netinfo@lgcns.com>
abuse:          IRT-KRNIC-KR (IRT-KRNIC-KR) <hostmaster@nic.or.kr>
source:         APNIC (RDAP)