Network topology

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

AS18512

Currently announcedSnapshot awaiting refresh

Yankee Book Peddler · YBP-AS

Last observed10/22/2026, 12:18:26Open ASN profile →

AS18512 relationship topology

Showing 2 / 2

AS18512Yankee Book Peddler

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4181TDS TELECOM

Relationship: Upstream
Observed weight: 192
ASN registration country: United States
Latest RIS data: 11/9/2026, 00:00:00

Open AS4181 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS4181Observed weight 192	TDS TELECOM	Upstream	United States	8/19/2019, 00:00:00	11/9/2026, 00:00:00	252	0
AS7015Observed weight 63	COMCAST-7015 - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	11/9/2026, 00:00:00	75	0

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