XCFF

AS394119 · eXperimental Computing Facility Foundation · US · ARIN

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2

Upstream providers

0

Downstream customers

256

v4 addresses

<0.1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider	First Seen	Last Seen	Peers	Confidence
AS6939 AS6939	2024-09-01 1y 8mo	2026-05-08	26 peers AS209 AS3549
AS26073 AS26073	2024-09-01 1y 8mo	2026-05-08	98 peers AS174 AS2914 AS3257 AS5580 AS6082 AS8582 AS8888 AS15562 AS16260 AS16276 AS52468 AS55720 AS132825 AS328840 AS398465

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

1

v4 prefixes

256

v4 addresses

2

v6 prefixes

<0.1

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-08-22

Lost Transit

XCFF AS394119 → lost provider AS6939 AS6939

Confidence: 85% Duration: 354d

⇄

2024-09-02

New Transit

XCFF AS394119 → added provider AS26073 AS26073

Confidence: 90%

⇄

2024-09-02

New Transit

XCFF AS394119 → added provider AS6939 AS6939

Confidence: 90%

⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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