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	Prefix	Description
	27.126.4.0/24	CMB
	27.126.5.0/24	CMB
	27.126.6.0/24	CMB
	27.126.7.0/24	CMB
	27.126.9.0/24	CMB
	27.126.10.0/24	CMB
	27.126.11.0/24	CMB
	27.126.18.0/24	CMB
	27.126.19.0/24	CMB
	27.126.20.0/24	CMB
	27.126.21.0/24	CMB
	27.126.22.0/24	CMB
	27.126.23.0/24	CMB
	27.126.47.0/24	CMB
	103.237.20.0/22	CMB
	163.53.156.0/22	CMB

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9457	DREAMLINE CO.	✔	✘
	AS9318	SK Broadband Co Ltd	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9457	DREAMLINE CO.	✔	✘
	AS9318	SK Broadband Co Ltd	✔	✘

aut-num:        AS38387
as-name:        CMBSEJONG-AS-KR
descr:          CMB Sejong Broadcasting Co,.Ltd
country:        KR
admin-c:        AM2249-AP
tech-c:         AM2249-AP
import:         from AS9318
                action pref=10;
                accept ANY
import:         from AS9848
                action pref=100;
                accept ANY
export:         to AS9318
                announce AS38387
export:         to AS9848
                announce AS38387
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2019-06-10T06:41:26Z
source:         APNIC

Last Update: 2026-03-13T03:22:30Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-dreamline	3
ARIN	as1239:as-customers	4238
RADB	as-skbroadband	973
NTTCOM	as-hanaro	441
LEVEL3	as-level3-origins-na	0
RADB	as-anc-customer-proxy-register	2403
RADB	as3491:as-customers-ap	69904
RADB	as-hurricane	24681
RADB	as-dacom	716
ARIN	as-xo-b	57965