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	Prefix	Description
	203.230.121.0/24	Korea Basic Science Institute
	203.230.122.0/23	Korea Basic Science Institute
	203.253.239.0/24	Korea Basic Science Institute
	203.253.240.0/21	-
	210.110.204.0/24	Korea Basic Science Institute
	210.125.80.0/22	Korea Basic Science Institute
	210.125.86.0/23	Korea Basic Science Institute

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1237	KISTI	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS1237	KISTI	✔	✘

aut-num:        AS9637
as-name:        KBSI-AS-KR
descr:          Korea Basic Science Institute
country:        KR
admin-c:        AM2921-AP
tech-c:         AM2921-AP
import:         from AS1237
                action pref=1;
                accept ANY
import:         from AS3786
                action pref=2;
                accept ANY
export:         to AS1237
                announce AS9637
export:         to AS3786
                announce AS9637
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2021-03-02T00:30:21Z
source:         APNIC

Last Update: 2026-03-13T03:22:31Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-transroute-spec	19641
RADB	as-hurricane	24681
RADB	as-dacom	716
ARIN	as293:as-from-singaren-to-esnet	4548
RADB	as1237:as-kreonet-customers	63
ARIN	as1239:as-customers	4238
RIPE	as20965:as-from-tein-to-geant	656
RADB	as-kornetbgp	1266