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AS10879 Unitedhealthcare

UHC - Unitedhealthcare · registered in the United States

IPv4 addresses223,74472 prefixes · 0.007% of announced IPv4
Rank in United States#296largest network in US by IPv4 space, of 18,338 · 0.02% of US
Rank worldwide#1,004of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 72 prefixes, in address order.

  • 128.35.0.0/16
  • 149.111.12.0/24
  • 149.111.21.0/24
  • 149.111.22.0/24
  • 149.111.26.0/23
  • 149.111.28.0/22
  • 149.111.112.0/21
  • 149.111.126.0/23
  • 149.111.128.0/19
  • 149.111.160.0/20
  • 149.111.176.0/22
  • 149.111.180.0/24
  • 149.111.188.0/22
  • 149.111.192.0/19
  • 149.111.224.0/21
  • 149.111.232.0/22
  • 149.111.236.0/23
  • 149.111.238.0/24
  • 161.249.0.0/21
  • 161.249.32.0/21
  • 161.249.64.0/19
  • 161.249.144.0/20
  • 161.249.160.0/19
  • 161.249.192.0/22
  • 161.249.196.0/23
  • 161.249.200.0/21
  • 161.249.208.0/21
  • 161.249.216.0/24
  • 161.249.224.0/19
  • 168.183.2.0/24
  • 168.183.32.0/19
  • 168.183.64.0/21
  • 168.183.96.0/22
  • 168.183.121.0/24
  • 168.183.122.0/24
  • 168.183.128.0/20
  • 168.183.144.0/24
  • 168.183.164.0/22
  • 168.183.208.0/22
  • 168.183.216.0/22
  • 170.138.0.0/20
  • 170.138.16.0/21
  • 170.138.24.0/22
  • 170.138.28.0/23
  • 170.138.30.0/23
  • 170.138.32.0/19
  • 170.138.64.0/18
  • 170.138.128.0/20
  • 170.138.144.0/24
  • 170.138.145.0/24
  • 170.138.146.0/23
  • 170.138.148.0/22
  • 170.138.152.0/21
  • 170.138.160.0/21
  • 170.138.168.0/23
  • 170.138.170.0/24
  • 170.138.171.0/24
  • 170.138.172.0/22
  • 170.138.176.0/20
  • 170.138.192.0/19
  • 170.138.224.0/20
  • 170.138.240.0/21
  • 170.138.248.0/22
  • 170.138.254.0/23
  • 198.203.174.0/23
  • 198.203.176.0/23
  • 198.203.180.0/23
  • 204.28.12.0/22
  • 205.132.162.0/24
  • 205.132.166.0/24
  • 208.66.221.0/24
  • 208.66.222.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS395139#293 NYP-INTERNET - NewYork-Presbyterian Hospital229,376
AS46450#294 PILOT - Pilot Fiber, Inc.228,096
AS6039#295 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD)224,000
AS36384#297 GOOGLE-IT - Google LLC222,208
AS1798#298 OREGON - State of Oregon218,624
AS2711#299 SPIRITTEL-AS - Spirit Communications217,856

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