AS1858 RTX BBN Technologies, Inc.

DISN-PILOTNET4 - RTX BBN Technologies, Inc. · registered in the United States

IPv4 addresses2,5603 prefixes · <0.001% of announced IPv4

Rank in United States#5,603largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,951of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS1858 in ASN lookup Look up an IP in this network (192.1.48.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

192.1.48.0/21
192.1.57.0/24
192.1.112.0/24

Other ASNs named RTX BBN Technologies, Inc.

6 other networks use the same organisation name; together with AS1858 they announce 94,208 IPv4 addresses.

ASNNameIPv4 addresses

AS1856DISN-PILOTNET2 - RTX BBN Technologies, Inc. US88,832

AS1855RBT-EDGE - RTX BBN Technologies, Inc. US1,536

AS1857DISN-PILOTNET3 - RTX BBN Technologies, Inc. US512

AS1859DISN-PILOTNET5 - RTX BBN Technologies, Inc. US256

AS1861DISN-PILOTNET7 - RTX BBN Technologies, Inc. US256

AS3515DSI-WR - RTX BBN Technologies, Inc. US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS21#5600 RAND - The RAND Corporation2,560

AS1603#5601 HSU-AS - Henderson State University2,560

AS1818#5602 DIALKENTUCKY - DIALOG TELECOMMUNICATIONS, INC.2,560

AS3061#5604 PDNPVD-1 - ProvDotNet LLC2,560

AS3471#5605 DNIC-AS-03471 - United States Department of Defense (DoD)2,560

AS3576#5606 AS-HODGSON-RUSS-NET - Hodgson Russ LLP2,560

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