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AS56508 ARDC Amateur Radio Digital Communications

ARDC Amateur Radio Digital Communications · registered in the United States

IPv4 addresses65,28030 prefixes · 0.002% of announced IPv4
Rank in United States#1,329largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#3,487of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 30 prefixes, in address order.

  • 44.27.0.0/19
  • 44.27.32.0/21
  • 44.27.41.0/24
  • 44.27.42.0/23
  • 44.27.44.0/22
  • 44.27.48.0/22
  • 44.27.52.0/22
  • 44.27.56.0/21
  • 44.27.64.0/19
  • 44.27.96.0/24
  • 44.27.97.0/24
  • 44.27.98.0/23
  • 44.27.100.0/22
  • 44.27.104.0/24
  • 44.27.105.0/24
  • 44.27.106.0/23
  • 44.27.108.0/22
  • 44.27.112.0/24
  • 44.27.113.0/24
  • 44.27.114.0/23
  • 44.27.116.0/22
  • 44.27.120.0/21
  • 44.27.128.0/18
  • 44.27.192.0/19
  • 44.27.224.0/21
  • 44.27.232.0/24
  • 44.27.233.0/24
  • 44.27.234.0/23
  • 44.27.236.0/22
  • 44.27.240.0/20

Similar-sized networks in United States

ASNNameIPv4 addresses
AS26783#1326 MARICOPA-COUNTY-COMMUNITY-COLLEGE-DISTRICT - Maricopa County Community College District65,280
AS30710#1327 SPECT-19-AS - Spectrum Health65,280
AS32513#1328 BATTELLE-MEMORIAL-INSTITUTE - BATTELLE MEMORIAL INSTITUTE65,280
AS401124#1330 SUNY-DELHI-01 - State University of New York College of Technology at Delhi65,280
AS7867#1331 TECHDATA - TECH DATA CORPORATION65,024
AS14737#1332 CCCOES - Colorado Community College and Occupational Education System65,024

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources