Network topology

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

AS39633

Currently announcedSnapshot awaiting refresh

COMPUTER SYSTEMS INTEGRATION GROUP LIMITED · PITCORE

Last observed10/3/2026, 07:06:43Open ASN profile →

AS39633 relationship topology

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AS39633COMPUTER SYSTEMS INTEGR…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS21371EQUINIX-UK-ASN EQUINIX (SERVICES) LIMITED

Relationship: Upstream
Observed weight: 273
ASN registration country: United Kingdom
Latest RIS data: 11/8/2026, 16:00:00

Open AS21371 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS21371Observed weight 273	EQUINIX-UK-ASN EQUINIX (SERVICES) LIMITED	Upstream	United Kingdom	8/23/2019, 00:00:00	11/8/2026, 16:00:00	1,420	0
AS31727Observed weight 267	NODE4-AS Node4 Limited	Upstream	United Kingdom	8/23/2019, 00:00:00	11/8/2026, 16:00:00	337	0

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