#dc215
Live, measured metrics for the hashtag #dc215 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #dc215
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-02 01:28 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-02 01:28 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-02 01:28 UTCEverything below is measured over the latest 8 public posts (spanning ~15298 hours).
Posting hours (UTC)
Languages: English (8)
Avg boosts / post: 11
Top of the latest posts
Hacker Meet-ups by Region This list only contains local 2600, DEFCON, CCC, OWASP, LUG, and InfoSec groups with active fediverse / :mastodon: accounts, including languages other than English. As more are created or discovered, I will update
Hey you! #DC215 is having a #phillytechweek event at Netrality on May 8th with a bunch of workshops and activities from 5:30 to 8:30 and we're gonna be there with some phone stuff! Interested in attending? Get a FREE ticket here: https://ww
DC215 is looking for speakers for upcoming events! If you have a talk related to DEF CON—hacking, security, hardware, or anything in between—we want to hear from you. Share your knowledge with the community! Reach out to us to submit your t
What “dc215” means
Wiktionary#dc215 across platforms
every network with a public tag surfaceFollow #dc215 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/dc215