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AS5974
AS5974 United States Department of Defense (DoD)
DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) · registered in the United States
IPv4 addresses 92,672 27 prefixes · 0.003% of announced IPv4
Rank in United States #656 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #1,976 of 79,396 networks with IPv4
IPv6 3 x /48 3 prefixes
IPv4 prefixes
All 27 prefixes, in address order.
131.77.0.0/18 131.77.64.0/19 131.77.96.0/21 131.77.104.0/24 131.77.105.0/24 131.77.106.0/23 131.77.108.0/22 131.77.112.0/20 131.77.128.0/18 131.77.192.0/19 131.77.224.0/20 131.77.240.0/22 131.77.244.0/23 131.77.246.0/24 131.77.248.0/21 156.112.88.0/22 156.112.92.0/24 156.112.94.0/24 209.22.236.0/24 214.23.232.0/24 214.24.243.0/24 214.38.232.0/24 214.38.236.0/24 214.49.128.0/18 214.66.160.0/20 214.66.176.0/21 214.66.184.0/21
IPv6 prefixes
All 3 prefixes.
2608:101:8::/48 2608:102::/48 2608:102:8::/48
Other ASNs named United States Department of Defense (DoD)
172 other networks use the same organisation name; together with AS5974 they announce 282,590,464 IPv4 addresses. Largest 30 shown.
ASN Name IPv4 addresses
AS749 DNIC-AS-00749 - United States Department of Defense (DoD) US 222,038,272 AS721 DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) US 29,541,376 AS56 DNIC-AS-00056 - United States Department of Defense (DoD) US 7,785,728 AS306 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 4,492,288 AS668 DNIC-AS-00668 - United States Department of Defense (DoD) US 2,549,504 AS5972 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) US 1,865,472 AS27064 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) US 1,594,112 AS637 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) US 929,280 AS367 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 811,776 AS5852 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) US 526,592 AS357 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 393,216 AS361 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 393,216 AS647 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) US 348,928 AS27046 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) US 311,552 AS5180 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) US 270,848 AS1554 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) US 266,496 AS5277 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) US 265,472 AS370 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 264,192 AS6039 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) US 224,000 AS1600 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) US 197,120 AS331 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 196,608 AS335 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 196,608 AS340 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 196,352 AS5371 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) US 196,352 AS6035 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) US 167,936 AS27142 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) US 155,904 AS6041 DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) US 147,200 AS665 DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) US 142,848 AS345 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) US 132,608 AS1556 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) US 132,096
Similar-sized networks in United States
ASN Name IPv4 addresses
AS400511 #653 CWAVEFIBER - Clearwave Communications93,952 AS35994 #654 AKAMAI-AS - Akamai Technologies, Inc.93,696 AS3388 #655 UNM-AS - University of New Mexico93,696 AS14135 #657 NAVISITE-EAST-2 - Navisite Opco LLC92,672 AS62600 #658 ABOR-SUN-CORRIDOR - Arizona Board of Regents92,416 AS3685 #659 BUFFALO-ASN - State University of New York at Buffalo92,416
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