Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS38387

Announcement observedAPNIC

CMBSEJONG-AS-KR-KR - CMB Sejong Broadcasting Co,.Ltd · CMBSEJONG-AS-KR-KR

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/3/2026, 03:52:47Snapshot expired

View network topology RDAP registration

ASN: AS38387
Registration country: South Korea
Name: CMBSEJONG-AS-KR-KR - CMB Sejong Broadcasting Co,.Ltd
Abbreviation: CMBSEJONG-AS-KR-KR
Registration date: Not recorded
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.237.20.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
163.53.156.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.10.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.11.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.21.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.22.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.4.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.5.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.6.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.7.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
27.126.9.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 00:00:00	10/15/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CMBSEJONG-AS-KR-KR - CMB Sejong Broadcasting Co,.Ltd
RIR: APNIC
Registration country: South Korea
Registration date: Not recorded
Abuse contact: hostmaster@nic.or.kr

Snapshot trend

10/3/2026, 03:52:4716 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap