View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	203.231.12.0/24	SEJONG NETWORKS
	203.231.13.0/24	SEJONG NETWORKS

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy zen_khorana

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3786	LG DACOM Corporation	✔	✘
	AS9848	SEJONG NETWORKS	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS3786	LG DACOM Corporation	✔	✘
	AS9848	SEJONG NETWORKS	✔	✘

aut-num:        AS18309
as-name:        KOVAN-AS-KR
descr:          Korea VAn Service Co.LTD
country:        KR
admin-c:        AM1440-AP
tech-c:         AM1440-AP
import:         from AS3786
                action pref=10;
                accept ANY
import:         from AS3976
                action pref=10;
                accept ANY
export:         to AS3786
                announce AS18309
export:         to AS3976
                announce AS18309
default:        to AS3786
                action pref=100;
                networks ANY
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2016-10-13T05:20:11Z
source:         APNIC

Last Update: 2026-06-15T03:22:28Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-sejong	385
RADB	as-pacnet-customer-proxy-register	1171
RADB	as3491:as-customers-test	70548
RADB	as-shinbiro	371
RADB	as-hurricane	24864
RADB	as2497:as-iij	5198
APNIC	as58453:as-asiaascust	20225
APNIC	as63529:as-63529-as-import-as23764	625
RADB	as-kornetbgp	1274
LEVEL3	as-level3-origins-na	0
JPIRR	as-iij	5202
RADB	as3491:as-customers-ap	71657
RADB	as-dacom	719
RADB	as58453:as-asiaascust	20225
JPIRR	as2497:as-iij	5198
APNIC	as58453:as-asiatest2	15801
APNIC	as58453:as-asiatest	16206
RADB	as-anc-customer-proxy-register	2403
ARIN	as-xo-b	59977
RADB	as-iij	5202