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


Global Bitcoin nodes by city

11440 cities with their respective number of global IPv4/IPv6 Bitcoin nodes as of Tue Dec 16 00:00:00 2025 UTC.

Window size: 30-day

NODES296726
COUNTRIES178
CITIES11440
ASNS3101
SERVICES6
PORT NUMBERS499

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RANKCITYNODES
1n/a21359 (7.87%)
2Germany Berlin
5274 (1.94%)
3Germany Munich
3131 (1.15%)
4Germany Frankfurt am Main
3038 (1.12%)
5Switzerland Zurich
2760 (1.02%)
6Germany Hamburg
2722 (1.00%)
7Australia Sydney
2686 (0.99%)
8United States New York
2245 (0.83%)
9Thailand Bangkok
2151 (0.79%)
10The Netherlands Amsterdam
2103 (0.77%)
11United States Miami
2037 (0.75%)
12United States Los Angeles
1993 (0.73%)
13United States Chicago
1928 (0.71%)
14Canada Toronto
1905 (0.70%)
15United States Atlanta
1799 (0.66%)
16United States Dallas
1791 (0.66%)
17Brazil São Paulo
1626 (0.60%)
18Germany Cologne
1616 (0.60%)
19Australia Melbourne
1571 (0.58%)
20United States Ashburn
1542 (0.57%)
21Spain Madrid
1516 (0.56%)
22Russia Moscow
1480 (0.55%)
23France Paris
1442 (0.53%)
24Finland Helsinki
1376 (0.51%)
25Austria Vienna
1335 (0.49%)

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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.