Can you open si4.twimg.com from mainland China?
N/A.
This domain doesn't resolve anywhere we test — including our control outside mainland China — so it appears inactive or unregistered rather than blocked.
2015first tested
5 mo agolast tested
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Other tested URLs on twimg.com
Blocking varies across twimg.com: 19 blocked vs 6 accessible among tested hosts.
http://twimg.comUnresolvablehttps://twimg.comUnresolvablehttp://p.twimg.comBlockedhttp://r.twimg.comas of 2025Intermittenthttp://g.twimg.comUnresolvablehttps://r.twimg.comas of 2024Intermittenthttp://a0.twimg.comUnresolvablehttp://a1.twimg.comUnresolvablehttp://a2.twimg.comUnresolvablehttp://a3.twimg.comUnresolvablehttp://a4.twimg.comUnresolvablehttp://a5.twimg.comUnresolvablehttp://a6.twimg.comUnresolvablehttp://ea.twimg.comas of 2025Intermittenthttp://jp.twimg.comUnresolvablehttps://o.twimg.comUnresolvablehttp://g2.twimg.comUnresolvablehttps://g.twimg.comUnresolvablehttp://gu.twimg.comUnresolvablehttp://ma.twimg.comUnresolvablehttp://www.twimg.comUnresolvablehttp://pbs.twimg.comBlockedhttp://abs.twimg.comNot blockedhttp://si0.twimg.comUnresolvablehttp://si1.twimg.comUnresolvablehttp://ton.twimg.comas of 2026Not blockedhttp://si2.twimg.comUnresolvablehttp://si3.twimg.comUnresolvablehttp://hca.twimg.comas of 2026Intermittenthttp://amp.twimg.comBlockedhttp://dnt.twimg.comUnresolvablehttps://pbs.twimg.comas of 2026Blockedhttps://abs.twimg.comas of 2026Intermittenthttps://ton.twimg.comas of 2026Intermittenthttps://si3.twimg.comUnresolvablehttps://amp.twimg.comas of 2026Intermittenthttp://video.twimg.comNot blockedhttp://abs-0.twimg.comas of 2026Blockedhttps://video.twimg.comNot blockedhttp://pbs-ec.twimg.comUnresolvablehttps://abs-0.twimg.comBlockedhttps://pbs-ec.twimg.comUnresolvablehttps://widgets.twimg.comUnresolvablehttps://abs-zero.twimg.comas of 2026Blockedhttp://syndication.twimg.comBlockedhttp://tailfeather.twimg.comUnresolvablehttp://wildcard-eb.twimg.comUnresolvablehttps://tailfeather.twimg.comUnresolvablehttps://wildcard-eb.twimg.comUnresolvablehttp://syndication-o.twimg.comas of 2024Intermittenthttps://syndication-o.twimg.comas of 2024Intermittenthttp://cdn.syndication.twimg.comas of 2026Intermittenthttps://cdn.syndication.twimg.comas of 2026Intermittenthttp://image-proxy-origin.twimg.comUnresolvablehttps://video.twimg.com/favicon.icoNot blockedhttp://pbs.twimg.com/media/BpCFQJzIQAAVg06.jpgas of 2026Blockedhttps://pbs.twimg.com/media/BpCFQJzIQAAVg06.jpgas of 2026Blockedhttps://pbs.twimg.com/media/B1vDor9IcAAtqOq.jpgas of 2026Blockedhttps://pbs.twimg.com/media/CGmmjR5XIAALsYz.jpgas of 2026Blockedhttps://pbs.twimg.com/media/DEefWoEW0AARxBH.jpgas of 2026Blockedhttps://pbs.twimg.com/media/DPQlgCiUMAEySe4.jpgas of 2026Blockedhttps://pbs.twimg.com/media/BiC22OpCYAEEn_K.jpg:largeas of 2026Blockedhttps://pbs.twimg.com/media/BiC22OpCYAEEn_K.jpg%3AlargeBlockedhttps://pbs.twimg.com/media/EUzvfQWUMAAm23f?format=jpg&name=largeBlockedhttps://pbs.twimg.com/media/E6-9-qXVkAYNYhh?format=jpg&name=largeBlockedhttps://video.twimg.com/ext_tw_video/1018871262209179649/pu/vid/390x640/7lgCDqLiomtDxemN.mp4as of 2026Intermittenthttps://video.twimg.com/ext_tw_video/1489492757177516033/pu/vid/320x426/0c-_FpxfqTurIMJO.mp4?tag=12Blockedhttps://video.twimg.com/ext_tw_video/1525871746540515328/pu/vid/960x544/12kJEDpxZNM181KL.mp4?tag=12Not blockedhttps://video.twimg.com/amplify_video/743517213940920320/vid/640x360/8-S9tjqne_1SJ2MH.mp4?expiration=1466408000&hmac=31253479fce210cdf7015b7e833d68fb60d9b1fdea73029085139a41c5fad07eas of 2026Intermittent
Each verdict covers the last 90 days of tests, as on that URL's own page.
Frequently asked questions
Is si4.twimg.com blocked in mainland China right now?
As of the last test on 2026-03-08, si4.twimg.com is not resolvable from anywhere we test in mainland China, based on GreatFire's live Great Firewall measurements.
http://si4.twimg.com · JSON