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
	103.19.124.0/24	S1 CORPORATION
	103.19.125.0/24	S1 CORPORATION
	103.19.126.0/24	S1 CORPORATION
	103.19.127.0/24	S1 CORPORATION

---

Network Policy

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

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
	AS4766	Korea Telecom	✔	✘
	AS3786	LG DACOM Corporation	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS4766	Korea Telecom	✔	✘
	AS3786	LG DACOM Corporation	✔	✘

aut-num:        AS38129
as-name:        S1-AS-KR
descr:          S1 CORPORATION
country:        KR
admin-c:        AM770-AP
tech-c:         AM770-AP
import:         from AS3786
                action pref=1;
                accept ANY
import:         from AS4766
                action pref=1;
                accept ANY
export:         to AS3786
                announce AS38129
export:         to AS4766
                announce AS38129
default:        to AS3786
                action pref=1;
                networks ANY
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2016-10-13T02:20:08Z
source:         APNIC

Last Update: 2026-06-15T03:22:29Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-lumen-customers-asns	10695
LEVEL3	as-level3-origins-na	0
RADB	as-dacom	719
RADB	as-kornetbgp	1274
RADB	as-hurricane	25048