$ query “AS399687” --type=asn → 1 result(s)
AS399687 · DEFIN-AS
Def Inc
AS399687 is operated by Def Inc and serves as an enterprise stub network, established in the United States in 2021. The system announces 512 IPv4 addresses. Most of its address space is geolocated to the United States. No IPv6 support — it's 2026, just saying.
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 19, 2021
- Last Changed
- March 04, 2026
- Last Seen
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 United States (1 024 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)
- AS6939 — HURRICANE
Prefix Lists
IPv4 Prefixes (2 total)
- 23.189.240.0/24 (256 addresses (/24 prefix))
- 146.19.2.0/24 (256 addresses (/24 prefix))