💫 Pulsar

atproto relay observatory

Showing observation from: 2026-05-26 18:00:02 UTC (3600s)

Host API 1 Run by Location Users Events % of max 2 Uptime 3
atproto.africa Blacksky Algorithms 🇺🇸 Virginia (OVH) 226,515 1,592,523 107.83% 95.3%
jetstream2.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (OVH) 210,060 1,567,503 ⚠️ 100.00% 99.4%
sfo.firehose.stream @sri.xyz 🇺🇸 Oregon (OVH) 209,772 1,575,755 99.86% 100.0%
relay.bas.sh @bas.sh 🇩🇪 Germany (Hetzner) 209,559 1,495,757 99.76% 100.0%
bsky.network Bluesky PBC 🇺🇸 California (–) 209,554 1,494,423 99.76% 100.0%
relay1.us-west.bsky.network Bluesky PBC 🇺🇸 California (–) 209,554 1,494,422 99.76% 100.0%
relay1.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (–) 209,553 1,494,401 99.76% 99.4%
asia.firehose.network @sri.xyz 🇮🇳 Mumbai (OVH) 209,535 1,494,407 99.75% 100.0%
jetstream1.us-east.bsky.network Bluesky PBC 🇺🇸 Virginia (OVH) 209,528 1,574,037 99.75% 100.0%
jet.firehose.stream @sri.xyz 🇨🇦 Quebec (OVH) 209,528 1,574,012 99.75% 99.4%
jetstream1.us-east.fire.hose.cam @bad-example.com 🇺🇸 Virginia (Hetzner) 209,521 1,573,962 99.74% 100.0%
nyc.firehose.stream @sri.xyz 🇺🇸 Virginia (OVH) 209,514 1,574,081 99.74% 100.0%
jetstream2.us-west.bsky.network Bluesky PBC 🇺🇸 Oregon (OVH) 209,511 1,573,884 99.74% 99.4%
relay3.fr.hose.cam @bad-example.com 🇫🇷 France (OVH) 209,509 1,492,407 99.74% 100.0%
chennai.firehose.stream @sri.xyz 🇮🇳 Mumbai (OVH) 209,508 1,574,005 99.74% 100.0%
relay.fire.hose.cam @bad-example.com 🇨🇦 Montreal (ServaRica) 209,505 1,492,360 99.74% 100.0%
jetstream1.us-west.bsky.network Bluesky PBC 🇺🇸 Oregon (OVH) 209,498 1,573,828 99.73% 100.0%
jetstream2.fr.hose.cam @bad-example.com 🇩🇪 Germany (Hetzner) 209,498 1,530,024 99.73% 100.0%
relay.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 209,495 1,504,938 99.73% 100.0%
jetstream.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 209,476 1,549,167 99.72% 100.0%
zlay.waow.tech @zzstoatzz.io 🇩🇪 Germany (Hetzner) 209,259 1,493,084 99.62% 99.4%
europe.firehose.network @sri.xyz 🇵🇱 Warsaw (OVH) 208,205 1,490,439 99.12% 100.0%
frankfurt.firehose.stream @sri.xyz 🇩🇪 Frankfurt (OVH) 208,189 1,569,045 99.11% 100.0%
london.firehose.stream @sri.xyz 🇬🇧 London (OVH) 208,189 1,569,045 99.11% 100.0%
relay.klbr.net @klbr.net 🇨🇦 Canada (-) 205,595 1,463,275 97.87% 12.4%
northamerica.firehose.network @sri.xyz 🇺🇸 Virginia (OVH) 205,220 1,426,377 ⚠️ 97.70% 100.0%
jetstream.fire.hose.cam @bad-example.com 🇨🇦 Montreal (ServaRica) 137,078 848,569 65.26% 100.0%
relay.upcloud.world UpCloud 🇵🇱 Warsaw (–) 120,339 802,314 57.29% 100.0%
relay.feeds.blue @mackuba.eu 🇩🇪 Germany (Netcup) 622 6,207 0.30% 100.0%
relay.xero.systems (no signal received) n/a
relay.t4tlabs.net @isla.pet 🇨🇦 Toronto (Xenyth) (no signal received) 100.0%
jetstream1.xero.systems (no signal received) n/a

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