`AS4837`

AS4837 is an autonomous system number that 2 published sources report in connection with unclustered DPRK activity, which public reporting attributes to North Korea (DPRK). It is cited here from Intelx and Recorded Future. The earliest of those reports is dated 2018-03-16 and the most recent 2026-09-12.

asn DPRK (cluster unattributed) MATCHED IN SOURCE

First seen 2018-03-16 · last seen 2026-09-12

Sources

…our information, it went live a few days ago on April 3, 2019 at 16:00 UTC. North Korea currently has 2 existing uplinks, one via China (AS4837 China Unicom Backbone) and another via Russia (AS20485 Closed Joint Stock Company TransTeleCom).…
North Korea just got a 3rd internet connection (and no one noticed) — Intelx · under “North Korea just got a 3rd internet connection (and no one noticed)” · published 2019-04-11 · pulled 2026-09-12
…from March through August 2018. Additionally, as we identified back in April , the 175.45.176.0/22 range is routed by both China Unicom ( AS4837 ) and Russia’s TransTelekom ( AS20485 ).…
Shifting Patterns in Internet Use Reveal Adaptable and Innovative North Korean Ruling Elite — Recorded Future · under “Background” · published 2018-03-16 · pulled 2026-09-12

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Cited by the same report: North Korea just got a 3rd internet connection (and no one noticed)

Intelx lists 1 other indicator in this source.