$ query “AS1856” --type=asn → 1 result(s)
AS1856 · DISN-PILOTNET2
RTX BBN Technologies Inc.
AS1856 is run by RTX BBN Technologies Inc. and is an enterprise stub network, based in the United States since 1992. The system announces a respectable 89 344 IPv4 addresses, including a /16. Its primary geographic footprint is in the United States. No IPv6 support — it's 2026, just saying.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 27, 1992
- Last Changed
- March 04, 2026
- Last Seen
- April 20, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 17 / 16
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 89 344
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Geolocated Countries
- 🇺🇸 United States (89 344 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Degree
- 1 unique BGP neighbor
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS7018 — ATT-INTERNET4 (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (17 total)
- 128.33.0.0/16 (65 536 addresses (/16 prefix))
- 192.1.64.0/19 (8 192 addresses (/19 prefix))
- 192.1.32.0/20 (4 096 addresses (/20 prefix))
- 192.1.8.0/21 (2 048 addresses (/21 prefix))
- 192.1.24.0/21 (2 048 addresses (/21 prefix))
- 192.1.144.0/21 (2 048 addresses (/21 prefix))
- 192.1.20.0/22 (1 024 addresses (/22 prefix))
- 192.1.0.0/22 (1 024 addresses (/22 prefix))
- 192.1.124.0/22 (1 024 addresses (/22 prefix))
- 192.1.4.0/23 (512 addresses (/23 prefix))
- 192.1.120.0/23 (512 addresses (/23 prefix))
- 192.1.7.0/24 (256 addresses (/24 prefix))
- 192.1.110.0/24 (256 addresses (/24 prefix))
- 192.1.113.0/24 (256 addresses (/24 prefix))
- 192.1.122.0/24 (256 addresses (/24 prefix))
- 192.1.140.0/24 (256 addresses (/24 prefix))