Bitnodes estimates the relative size of the Bitcoin peer-to-peer network by finding all of its reachable nodes.


Global Bitcoin nodes by city

7598 cities with their respective number of global IPv4/IPv6 Bitcoin nodes as of Sun Jul 13 20:00:00 2025 EDT.

Window size: 1-day

NODES66378
COUNTRIES158
CITIES7598
ASNS2434
SERVICES6
PORT NUMBERS256

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RANKCITYNODES
106Croatia Zagreb
38 (0.08%)
106Serbia Belgrade
38 (0.08%)
106United States Cleveland
38 (0.08%)
106Zimbabwe Harare
38 (0.08%)
107Japan Osaka
37 (0.07%)
107Switzerland Geneva
37 (0.07%)
108Latvia Riga
36 (0.07%)
108South Africa Johannesburg
36 (0.07%)
108Spain Valencia
36 (0.07%)
108Vietnam Ho Chi Minh City
36 (0.07%)
109Canada Mississauga
35 (0.07%)
109China Chengdu
35 (0.07%)
109Colombia Bogotá
35 (0.07%)
109United Kingdom Slough
35 (0.07%)
109United Kingdom Tower Hamlets
35 (0.07%)
109Uruguay Montevideo
35 (0.07%)
110China Wuhan
34 (0.07%)
110Colombia Medellín
34 (0.07%)
110El Salvador San Salvador
34 (0.07%)
110Estonia Tallinn
34 (0.07%)
110United States Buffalo
34 (0.07%)
110United States Craig
34 (0.07%)
110United States Fort Lauderdale
34 (0.07%)
111Austria Graz
33 (0.07%)
111United States Des Moines
33 (0.07%)

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This page reports the estimated size of the Bitcoin peer-to-peer network including both reachable and unreachable nodes, i.e. global nodes. Unlike the low churn rate estimation method for reachable nodes (see the latest snapshot here), the method for this report can only provide a rough estimation and does not filter out potentially spurious nodes that may be gossiped by non-standard/spam/malicious peers.

Bitnodes crawler captures these nodes from the addr messages returned by all the reachable nodes. Each snapshot or data point in this report represents a rolling window. A snapshot with window size of 1 day will include all nodes by IP addresses with timestamps less than 1 day old. The timestamp for a node here refers to the time when its peer last connects to it. If you turn on your Bitcoin node for only a few minutes anytime during the last 24 hours, it will be included in the latest snapshot with a window size of 1 day.

Multiple nodes from the same IP address, but different port numbers are counted as one node in this report. A larger window size may increase the likelihood of the same node being counted more than once due to e.g. IP lease renewal.

A Bitcoin node may be unreachable for several reasons. It may be configured by the operator to only attempt to make outgoing connections or it may be located behind corporate/ISP firewalls or NAT. A node could also become temporarily unreachable if it has hit its maximum allowed connections or if it is in the process of syncing up to the latest blocks. As it is impossible to connect to an unreachable node directly, we cannot reliably confirm the true existence of an unreachable node, hence the rough estimation.


Join the Network

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.