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	Prefix	Description
	211.253.219.0/24	Korea Telecom

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9318	SK Broadband Co Ltd	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9318	SK Broadband Co Ltd	✔	✘

aut-num:        AS55596
as-name:        GILHOSP-AS-KR
descr:          Gachon University Gil Hospital
country:        KR
admin-c:        AM1381-AP
tech-c:         AM1381-AP
import:         from AS4766
                action pref=0;
                accept ANY
import:         from AS9318
                action pref=32768;
                accept ANY
export:         to AS4766
                announce AS55596
export:         to AS9318
                announce AS55596
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2019-04-24T00:32:02Z
source:         APNIC

Last Update: 2026-06-14T03:22:32Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-kornetbgp	1274
RADB	as3491:as-customers-test	70259
RADB	as3491:as-customers-ap	71370
RADB	as-skbroadband	981
ARIN	as-xo-b	59972
RADB	as-hurricane	25048
ARIN	as-globeinternet-clients	89834
RIPE	as-globeinternet-clients	89834