AS721
DoD Network Information Center
ASN
AS721
Country
United States
IPv4 addresses
28,432,896
Prefixes (IPv4 / IPv6)
5,292 / 19
ASN Information
- ASN Number
- AS721
- AS Name
- DoD Network Information Center
- Country
- United States
- IPv4 addresses
- 28,432,896
- IPv4 prefixes
- 5,292
- IPv6 prefixes
- 19
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.
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: DB-IP and MaxMind routing and registration data as of 2026-10-01.
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