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AS683 Argonne National Laboratory

ARGONNE-AS - Argonne National Laboratory · registered in the United States

IPv4 addresses297,21618 prefixes · 0.009% of announced IPv4
Rank in United States#235largest network in US by IPv4 space, of 18,338 · 0.02% of US
Rank worldwide#819of 79,396 networks with IPv4
IPv616,645 x /489 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 18 prefixes, in address order.

  • 130.202.0.0/16
  • 140.221.0.0/18
  • 140.221.68.0/22
  • 140.221.72.0/21
  • 140.221.80.0/20
  • 140.221.96.0/23
  • 140.221.112.0/20
  • 146.137.0.0/16
  • 146.139.0.0/16
  • 164.54.0.0/16
  • 192.5.84.0/24
  • 192.5.86.0/23
  • 192.5.170.0/23
  • 192.5.174.0/23
  • 192.5.176.0/20
  • 192.5.200.0/24
  • 192.148.94.0/23
  • 198.252.143.0/24

IPv6 prefixes

All 9 prefixes.

  • 2602:278:2000::/36
  • 2602:278:4000::/35
  • 2602:278:8100::/48
  • 2602:278:9000::/36
  • 2602:278:aaaa::/48
  • 2602:278:e100::/40
  • 2602:278:e200::/48
  • 2602:278:e220::/48
  • 2620:0:dc0::/48

Similar-sized networks in United States

ASNNameIPv4 addresses
AS6922#232 TEXASAGENCYNET - Texas Department of Information Resources304,640
AS21852#233 DISNW1 - State Of Arkansas, Division of Information Systems304,640
AS18#234 UTEXAS - University of Texas at Austin299,520
AS11714#236 NETWORK NEBRASKA - Network Nebraska294,400
AS557#237 UMAINE-SYS-AS - University of Maine System292,608
AS19957#238 STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC291,072

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