AS721
DoD Network Information Center
ASN
AS721
Country
United States
IPv4 addresses
31,035,648
Prefixes (IPv4 / IPv6)
5,300 / 33
ASN Information
- ASN Number
- AS721
- AS Name
- DoD Network Information Center
- Country
- United States
- IPv4 addresses
- 31,035,648
- IPv4 prefixes
- 5,300
- IPv6 prefixes
- 33
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
- 55.128.0.0/11
- 55.240.0.0/12
- 55.160.0.0/12
- 55.112.0.0/12
- 55.232.0.0/13
- 55.216.0.0/13
- 55.200.0.0/13
- 55.104.0.0/13
- 55.228.0.0/14
- 55.212.0.0/14
Source: public routing and registration data, updated 2026-10-28.
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