💫 Pulsar

atproto relay observatory

Showing observation from: 2026-05-04 18:00:01 UTC (3600s)

Host API 1 Run by Location Users Events % of max 2 Uptime 3
atproto.africa Blacksky Algorithms 🇺🇸 Virginia (OVH) 222,584 1,543,108 100.00% 95.3%
europe.firehose.network @sri.xyz 🇵🇱 Warsaw (OVH) 221,585 1,536,954 99.55% 100.0%
relay.bas.sh @bas.sh 🇩🇪 Germany (Hetzner) 221,580 1,537,253 99.55% 100.0%
relay1.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (–) 221,570 1,536,767 99.54% 99.4%
frankfurt.firehose.stream @sri.xyz 🇩🇪 Frankfurt (OVH) 221,564 1,585,835 99.54% 100.0%
london.firehose.stream @sri.xyz 🇬🇧 London (OVH) 221,564 1,585,835 99.54% 100.0%
northamerica.firehose.network @sri.xyz 🇺🇸 Virginia (OVH) 221,561 1,536,865 99.54% 100.0%
relay1.us-west.bsky.network Bluesky PBC 🇺🇸 California (–) 221,559 1,536,679 99.54% 100.0%
jetstream2.us-east.bsky.network 221,559 1,585,715 99.54% 99.4%
jetstream1.us-east.bsky.network 221,558 1,585,732 99.54% 100.0%
jetstream2.us-west.bsky.network 221,556 1,585,718 99.54% 99.4%
jetstream1.us-east.fire.hose.cam @bad-example.com 🇺🇸 Virginia (Hetzner) 221,556 1,585,718 99.54% 100.0%
jet.firehose.stream @sri.xyz 🇨🇦 Quebec (OVH) 221,556 1,585,709 99.54% 99.4%
bsky.network Bluesky PBC 🇺🇸 California (–) 221,553 1,536,629 99.54% 100.0%
jetstream1.us-west.bsky.network 221,550 1,585,681 99.54% 100.0%
asia.firehose.network @sri.xyz 🇮🇳 Mumbai (OVH) 221,550 1,536,766 99.54% 100.0%
nyc.firehose.stream @sri.xyz 🇺🇸 Virginia (OVH) 221,548 1,585,770 99.53% 100.0%
chennai.firehose.stream @sri.xyz 🇮🇳 Mumbai (OVH) 221,546 1,585,664 99.53% 100.0%
sfo.firehose.stream @sri.xyz 🇺🇸 Oregon (OVH) 221,542 1,585,717 99.53% 100.0%
jetstream.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 221,531 1,584,691 99.53% 100.0%
relay.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 221,529 1,535,750 99.53% 100.0%
relay.xero.systems 221,500 1,536,615 99.51% n/a
relay.fire.hose.cam @bad-example.com 🇨🇦 Montreal (ServaRica) 221,498 1,535,683 99.51% 100.0%
relay3.fr.hose.cam @bad-example.com 🇫🇷 France (OVH) 221,496 1,535,669 99.51% 100.0%
jetstream2.fr.hose.cam @bad-example.com 🇩🇪 Germany (Hetzner) 221,492 1,584,693 99.51% 100.0%
jetstream1.xero.systems 221,491 1,585,617 99.51% n/a
zlay.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 221,121 1,533,381 99.34% 99.4%
relay.upcloud.world UpCloud 🇵🇱 Warsaw (–) 118,193 780,859 53.10% 100.0%
jetstream.fire.hose.cam @bad-example.com 🇨🇦 Montreal (ServaRica) 105,703 565,334 47.49% 100.0%
relay.feeds.blue @mackuba.eu 🇩🇪 Germany (Netcup) 623 7,527 0.28% 100.0%
relay.t4tlabs.net @isla.pet 🇨🇦 Toronto (Xenyth) (no signal received) 100.0%

1) = firehose (CBOR), = Jetstream, 2 = Jetstream v2

2) Outlier results with suspicious numbers are excluded from calculating the "max users" value, which is why some entries might appear with % larger than 100. "No signal received" means the test runner couldn't make a connection, while 0 events mean that no data was sent over the websocket.

3) Uptime is calculated by making connections to listed servers randomly during the day, around 4 times per day on average for a given source, and recording if a connection was successful and received any data. The % is an average over the last 30 days.

Tangled