Bitnodes estimates the relative size of the Bitcoin peer-to-peer network by finding all of its reachable nodes.
Reachable Bitcoin nodes ranked according to their Peer Index (PIX) as of Fri May 27 05:03:37 2022 EDT. PIX values are calculated only for activated IPv4/IPv6 nodes.
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NODE | RANK | ADDRESS | PIX | VI | SI | HI | AI | PI | DLI DUI | WLI WUI | MLI MUI | NSI | NI | BI |
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PIX value is calculated every 24 hours for each activated node based on its properties and network metrics. The value ranges between 0.0 and 10.0 with 10.0 being the most desirable for the Bitcoin network. The formula used to calculate PIX value is described below.
PIX = ((VI + SI + HI + AI + PI + DLI + DUI + WLI + WUI + MLI + MUI + NSI + NI + BI) / 14.0) x 10.0 VI = Protocol version index VI = 1 / r r = rank of node's protocol version Consensus protocol version is ranked 1 followed by the next most common protocol version SI = Services index SI = 1 / r r = rank of node's services Consensus services is ranked 1 followed by the next most common services SI is set to 0.0 for node without NODE_NETWORK HI = Height index HI = h / H h = node's latest height H = consensus height AI = ASN index AI = ln((1 / n) x N) / ln(N) N = number of reachable nodes n = number of nodes from N with the same ASN PI = Port index PI = 1.0 for 8333 (default port), 0.0 for other DLI = Average daily latency index DLI = 1.0 for <= 300 ms 0.9 for <= 400 ms 0.8 for <= 500 ms 0.7 for <= 600 ms 0.6 for <= 700 ms 0.5 for <= 800 ms 0.4 for <= 900 ms 0.3 for <= 1000 ms 0.2 for <= 1100 ms 0.1 for <= 1200 ms 0.0 for > 1200 ms DUI = Daily uptime index DUI = t / T t = number of daily ticks with latency > 0 T = number of daily ticks Tick with latency <= 0 indicates that node is unreachable WLI = Average weekly latency index WLI = 1.0 for <= 300 ms 0.9 for <= 400 ms 0.8 for <= 500 ms 0.7 for <= 600 ms 0.6 for <= 700 ms 0.5 for <= 800 ms 0.4 for <= 900 ms 0.3 for <= 1000 ms 0.2 for <= 1100 ms 0.1 for <= 1200 ms 0.0 for > 1200 ms WUI = Weekly uptime index WUI = t / T t = number of weekly ticks with latency > 0 T = number of weekly ticks Tick with latency <= 0 indicates that node is unreachable MLI = Average monthly latency index MLI = 1.0 for <= 300 ms 0.9 for <= 400 ms 0.8 for <= 500 ms 0.7 for <= 600 ms 0.6 for <= 700 ms 0.5 for <= 800 ms 0.4 for <= 900 ms 0.3 for <= 1000 ms 0.2 for <= 1100 ms 0.1 for <= 1200 ms 0.0 for > 1200 ms MUI = Monthly uptime index MUI = t / T t = number of monthly ticks with latency > 0 T = number of monthly ticks Tick with latency <= 0 indicates that node is unreachable NSI = Network speed index NSI = 1.0 for ≈ 99th percentile 0.9 for ≈ 90th percentile 0.8 for ≈ 80th percentile 0.7 for ≈ 70th percentile 0.6 for ≈ 60th percentile 0.5 for ≈ 50th percentile 0.4 for ≈ 40th percentile 0.3 for ≈ 30th percentile 0.2 for ≈ 20th percentile 0.1 for ≈ 10th percentile 0.0 for < 10th percentile NI = Nodes index NI = (p ∩ N) / N p = peers returned in addr responses N = reachable nodes NI >= 6σ is capped at 99th percentile BI = Block index BI = 1.0 if valid block is returned in response to getdata request, 0.0 if otherwise
Be part of the Bitcoin network by running a Bitcoin full node, e.g. Bitcoin Core.
Use this tool to check if your Bitcoin client is currently accepting incoming connections from other nodes. Port must be between 1024 and 65535.