Autonomous system profile

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

AS9640

Announcement observedAPNIC

KRCERT-AS-KR-KR - Korea Internet Security Agency · KRCERT-AS-KR-KR

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

Last active10/15/2026, 19:43:20Snapshot expired

View network topology RDAP registration

ASN: AS9640
Registration country: South Korea
Name: KRCERT-AS-KR-KR - Korea Internet Security Agency
Abbreviation: KRCERT-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
180.222.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Historical record
192.132.247.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Historical record
192.203.140.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Historical record
192.5.90.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Historical record
218.37.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Historical record
218.37.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/15/2026, 16:00:00	✓	×	Historical record
218.37.130.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/15/2026, 08:00:00	10/15/2026, 16:00:00	✓	×	Historical record
218.37.131.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/15/2026, 08:00:00	10/15/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: KRCERT-AS-KR-KR - Korea Internet Security Agency
RIR: APNIC
Registration country: South Korea
Registration date: Not recorded
Abuse contact: hostmaster@nic.or.kr

Snapshot trend

10/15/2026, 19:43:208 v40 v62 Upstream · 0 Uncertain

9/30/2026, 00:38:346 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