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AS2577
AS2577 United States Department of Defense (DoD)
DNIC-AS-02577 - United States Department of Defense (DoD) · registered in the United States
IPv4 addresses 33,024 5 prefixes · 0.001% of announced IPv4
Rank in United States #1,719 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #4,750 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 5 prefixes, in address order.
67.133.98.0/24 144.51.0.0/19 144.51.32.0/20 144.51.48.0/20 144.51.64.0/18
Other ASNs named United States Department of Defense (DoD)
172 other networks use the same organisation name; together with AS2577 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
AS10399 #1716 AMAP-AUSTIN-TX-WALLER - Waller Creek Communications33,024 AS1207 #1717 PSCNET-HS-TEST-AS - Pittsburgh Supercomputing Center33,024 AS1565 #1718 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD)33,024 AS16600 #1720 UTHEALTHCENTER-TYLER - University of Texas Health Science Center at Tyler33,024 AS23528 #1721 SPARKPOST - Bird.com Inc.33,024 AS26923 #1722 OPLIN - Ohio Public Library Information Network (OPLIN)33,024
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