AS203665
UK Ministry of Defence
ASN
AS203665
Country
United Kingdom
IPv4 addresses
16,778,208
Prefixes (IPv4 / IPv6)
44 / 38
ASN Information
- ASN Number
- AS203665
- AS Name
- UK Ministry of Defence
- Country
- United Kingdom
- IPv4 addresses
- 16,778,208
- IPv4 prefixes
- 44
- IPv6 prefixes
- 38
VPN & datacenter signals
None of this network's ranges appear in public VPN or datacenter lists.
Counted from public VPN and datacenter lists. Check individual IPs with the API.
Top Countries
Largest announced prefixes
- 25.64.0.0/10
- 25.192.0.0/10
- 25.32.0.0/11
- 25.160.0.0/11
- 25.144.0.0/12
- 25.0.0.0/12
- 25.16.0.0/13
- 25.136.0.0/13
- 25.28.0.0/14
- 25.132.0.0/14
Source: public routing and registration data, updated 2026-10-28.
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