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AS1857
AS1857 RTX BBN Technologies, Inc.
DISN-PILOTNET3 - RTX BBN Technologies, Inc. · registered in the United States
IPv4 addresses 512 2 prefixes · <0.001% of announced IPv4
Rank in United States #10,527 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #49,498 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 2 prefixes, in address order.
192.1.58.0/24 192.1.114.0/24
Other ASNs named RTX BBN Technologies, Inc.
6 other networks use the same organisation name; together with AS1857 they announce 94,208 IPv4 addresses.
ASN Name IPv4 addresses
AS1856 DISN-PILOTNET2 - RTX BBN Technologies, Inc. US 88,832
AS1858 DISN-PILOTNET4 - RTX BBN Technologies, Inc. US 2,560
AS1855 RBT-EDGE - RTX BBN Technologies, Inc. US 1,536
AS1859 DISN-PILOTNET5 - RTX BBN Technologies, Inc. US 256
AS1861 DISN-PILOTNET7 - RTX BBN Technologies, Inc. US 256
AS3515 DSI-WR - RTX BBN Technologies, Inc. US 256
Similar-sized networks in United States
ASN Name IPv4 addresses
AS1632 #10524 SONIC-HEALTHCARE-USA-HNY - SONIC HEALTHCARE USA, INC.512
AS1642 #10525 COLORCON - Colorcon Inc512
AS1803 #10526 COGENT-1803 - Cogent Communications, LLC512
AS1882 #10528 STUPI STUPI LLC512
AS1974 #10529 MEHEALTH-SOUTH - Southern Maine Medical Center512
AS2021 #10530 UNISYS-INT - Unisys Corporation512
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