Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS17878

Currently announcedSnapshot awaiting refresh

MARK1-AS-KR-KR

Last observed10/16/2026, 00:00:00Open ASN profile →

AS17878 relationship topology

Showing 5 / 5

AS17878MARK1-AS-KR-KR

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS9457DREAMX-AS-KR

Relationship: Upstream
Observed weight: 1,059
ASN registration country: South Korea
Latest RIS data: 10/16/2026, 00:00:00

Open AS9457 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	Visible prefixes	Collectors
AS9457Observed weight 1,059	DREAMX-AS-KR	Upstream	South Korea	8/19/2019, 00:00:00	10/16/2026, 00:00:00	62	1
AS38700Observed weight 256	SMILESERV-AS-KR-KR	Downstream	South Korea	8/19/2019, 00:00:00	10/15/2026, 00:00:00	6	1
AS9276Observed weight 254	CHINAE-AS-KR-KR	Downstream	South Korea	8/19/2019, 00:00:00	10/16/2026, 00:00:00	1	1
AS134193Observed weight 254	SHPL-AS-AP - SkyLab Holding Pte. Ltd.	Downstream	Singapore	8/19/2019, 00:00:00	10/15/2026, 00:00:00	1	1
AS23588Observed weight 15	KEP-AS-KR-KR	Downstream	South Korea	8/19/2019, 00:00:00	10/14/2026, 00:00:00	3	1

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context