IRIB 4

576i · Main feed

IRIB 4 is a Persian-language culture channel from Iran, on air since 1994. Broadcast Atlas lists 1 public stream source up to 720x576.

Last checked August 5, 2026: the stream responded — 720x576, avc1.4d4015 video, mp4a.40.2 audio, adaptive bitrate and live.

Launched April 12, 1994 · Also known as SD, شبكه چهار

Direct sources

Available streams

Streams open directly from their source hosts. Broadcast Atlas does not proxy, relay, transcode, or retransmit media.

IRIB4

ncdn.telewebion.ir

Technical details · preference #1 · score 1750

The preference score rewards browser-ready HTTPS, HLS or image support, header-free playback, adaptive bitrate, reliability, and useful resolution. It is a selection heuristic, not a quality guarantee.

Stream ID: 2697c268-2328-4b26-9c9b-3734c898d243
Preference rank: #1 of 1
Preference score: 1750
Source host: ncdn.telewebion.ir
URL scheme: HTTPS
Catalog media type: Not yet verified
Detected protocol: hls
Manifest type: hls master
Container: Not yet verified
Supplied quality: Not yet verified
Detected resolution: 720x576
Frame rate: Not yet verified
Approximate bitrate: 1.52 Mbps
Video codec: avc1.4d4015
Audio codec: mp4a.40.2
Adaptive bitrate: Yes
Live stream: Yes
HTTPS status: https
Availability note: Not yet verified
Requires referrer: No
Requires custom user agent: No
Geographic restriction: Not yet verified
Authentication: Not yet verified
DRM: Not yet verified
Health: healthy
Browser compatibility: {"status":"unknown"}
Device compatibility: {"status":"unverified"}
Detection evidence: {"runId":"17807279-5b79-4b3d-a87f-eaf003118006","verifier":"manifest-v1","checkedAt":"2026-08-05T19:20:13.598976+00:00"}
Last checked: Aug 5, 2026, 7:20 PM UTC
Last success: Aug 5, 2026, 7:20 PM UTC
Last failure: Never
First catalog sighting: Jul 20, 2026, 4:47 AM UTC
Last catalog sighting: Jul 23, 2026, 5:52 AM UTC
Metadata updated: Sep 19, 2026, 7:44 AM UTC
Source revision: Not yet verified

Open source

Available streams

IRIB4

Ofogh TV