$ query “AS4576” --type=asn → 1 result(s)
AS4576 — ASN1
Michael & Susan Dell Foundation
AS4576 is an enterprise stub network operated by Michael & Susan Dell Foundation, based in the United States since 2009. The network announces 256 IPv4 addresses. 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
- September 17, 2009
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 US (1 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 256 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 2 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #29 628
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (1 total)
- 65.36.34.0/24 (256 addresses)