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


Global Bitcoin nodes by city

14047 cities with their respective number of global IPv4/IPv6 Bitcoin nodes as of Thu Sep 18 20:00:00 2025 EDT.

Window size: 90-day

NODES664434
COUNTRIES187
CITIES14047
ASNS3347
SERVICES6
PORT NUMBERS657

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RANKCITYNODES
119The Netherlands Naaldwijk
690 (0.11%)
120United States Philadelphia
688 (0.11%)
120United States Washington
688 (0.11%)
121China Wenzhou
684 (0.11%)
122United States Queens
678 (0.11%)
123United States Kansas City
664 (0.10%)
124United Kingdom City of Westminster
657 (0.10%)
125Estonia Tallinn
647 (0.10%)
126Germany Magdeburg
646 (0.10%)
126United States St Louis
646 (0.10%)
127United States Pittsburgh
643 (0.10%)
128Canada Winnipeg
634 (0.10%)
129United States Indianapolis
622 (0.10%)
130United States Council Bluffs
621 (0.10%)
131Russia Krasnodar
613 (0.10%)
132France Montpellier
606 (0.10%)
133Germany Bielefeld
603 (0.09%)
134United States San Antonio
599 (0.09%)
135Brazil Uberlândia
598 (0.09%)
136India Pune
588 (0.09%)
137Germany Mainz
583 (0.09%)
138Thailand Chiang Mai
578 (0.09%)
139Mexico Mexico City
573 (0.09%)
140Germany Krefeld
572 (0.09%)
141Italy Palermo
571 (0.09%)

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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.