Network topology

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

AS4880

Currently announcedSnapshot awaiting refresh

Lifeline Systems, Company · LIFELINE-ASN

Last observed9/29/2026, 12:32:09Open ASN profile →

AS4880 relationship topology

Showing 3 / 3

AS4880Lifeline Systems, Compa…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 270
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS7018Observed weight 270	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	987
AS46887Observed weight 262	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	666
AS33657Observed weight 254	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	331

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