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AS14299 Automatic Data Processing, Inc.

ADP1 - Automatic Data Processing, Inc. · registered in the United States

IPv4 addresses33,28033 prefixes · 0.001% of announced IPv4
Rank in United States#1,706largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#4,726of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 33 prefixes, in address order.

  • 24.104.148.0/23
  • 170.146.1.0/24
  • 170.146.2.0/24
  • 170.146.4.0/22
  • 170.146.21.0/24
  • 170.146.22.0/23
  • 170.146.32.0/21
  • 170.146.42.0/23
  • 170.146.48.0/21
  • 170.146.91.0/24
  • 170.146.92.0/22
  • 170.146.96.0/22
  • 170.146.102.0/23
  • 170.146.104.0/22
  • 170.146.111.0/24
  • 170.146.112.0/20
  • 170.146.128.0/20
  • 170.146.145.0/24
  • 170.146.160.0/20
  • 170.146.190.0/23
  • 170.146.199.0/24
  • 170.146.220.0/22
  • 170.146.224.0/22
  • 170.146.228.0/24
  • 170.146.230.0/23
  • 170.146.232.0/21
  • 170.146.240.0/21
  • 170.146.251.0/24
  • 170.146.252.0/24
  • 170.146.255.0/24
  • 192.251.51.0/24
  • 198.246.222.0/24
  • 207.135.156.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS745#1703 AFCONC-BLOCK2-AS - Air Force Systems Networking33,280
AS3375#1704 MCI-ASN - Verizon Business33,280
AS10279#1705 WCCL-AS - West Carolina Communications, LLC33,280
AS26020#1707 STSCI-NET - Space Telescope Science Institute33,280
AS40933#1708 TRIANGLE-COMMUNICATIONS - Triangle Communications33,280
AS393337#1709 UOFHARTFORD - The University of Hartford33,280

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