HTTPfy

AS46846 U.S. Department of Energy

DOE-HQ-COOP - U.S. Department of Energy · registered in the United States

IPv4 addresses3,32810 prefixes · <0.001% of announced IPv4
Rank in United States#5,142largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#17,530of 79,396 networks with IPv4
IPv63,342 x /4824 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 10 prefixes, in address order.

  • 65.155.113.0/24
  • 192.147.243.0/24
  • 192.208.20.0/23
  • 192.208.28.0/24
  • 198.51.238.0/23
  • 198.99.249.0/24
  • 198.147.246.0/24
  • 198.179.181.0/24
  • 205.167.106.0/23
  • 206.197.198.0/24

IPv6 prefixes

All 24 prefixes.

  • 2607:f368:f::/48
  • 2607:f368:300::/40
  • 2607:f368:f00::/40
  • 2607:f368:1003::/48
  • 2607:f368:2000::/40
  • 2607:f368:2800::/39
  • 2607:f368:2a00::/40
  • 2607:f368:2c00::/40
  • 2607:f368:320f::/48
  • 2607:f368:3220::/48
  • 2607:f368:3700::/40
  • 2607:f368:3800::/40
  • 2607:f368:3a00::/40
  • 2607:f368:3d00::/40
  • 2607:f368:4500::/40
  • 2607:f368:4700::/40
  • 2607:f368:8301::/48
  • 2607:f368:8302::/48
  • 2607:f368:830a::/48
  • 2607:f368:8312::/47
  • 2607:f368:8318::/48
  • 2607:f368:831c::/47
  • 2607:f368:831e::/48
  • 2607:f368:8324::/48

Other ASNs named U.S. Department of Energy

2 other networks use the same organisation name; together with AS46846 they announce 234,496 IPv4 addresses.

ASNNameIPv4 addresses
AS32982DOE-HQ - U.S. Department of Energy US230,912
AS11678DOE-NTS-AS - U.S. Department of Energy US256

Similar-sized networks in United States

ASNNameIPv4 addresses
AS397376#5139 IFN - IFN3,328
AS397666#5140 HOSTROUND-LLC - HostRound LLC3,328
AS401694#5141 CLOUD-9-INTERNET - Cloud 9 Wireless LLC3,328
AS149513#5143 VCL-147-149513 - Vertex Connectivity LLC3,328
AS140952#5144 STL-AS-AP - Strong Technology, LLC3,328
AS33438#5145 DATUM-CLOUD - Datum3,328

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