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	Prefix	Description
	203.253.232.0/24	-
	221.158.73.0/24	Jaedanbeopin hangukyeongujaedan

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4766	Korea Telecom	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4766	Korea Telecom	✔	✘

aut-num:        AS17576
as-name:        KOSEF-AS-KR
descr:          National Research Foundation of Korea
country:        KR
admin-c:        AM1907-AP
tech-c:         AM1907-AP
import:         from AS1237
                action pref=10;
                accept ANY
import:         from AS3786
                action pref=100;
                accept ANY
export:         to AS1237
                announce AS17576
export:         to AS3786
                announce AS17576
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2018-11-19T08:48:02Z
source:         APNIC

Last Update: 2026-02-09T03:22:25Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hurricane	24477
RIPE	as-globeinternet-clients	88161
ARIN	as1239:as-customers	4238
RADB	as-kornetbgp	1265
RADB	as-kornetre	96
ARIN	as-xo-b	58137
ARIN	as-globeinternet-clients	88161
RADB	as-nca	64
RADB	as-skbroadband	971