$ query “AS399728” --type=asn → 1 result(s)
AS399728 · PFOUNDATION
P Foundation
AS399728 is operated by P Foundation and serves as an enterprise access provider, based in the United States since 2021. The system announces 1 536 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 01, 2021
- Last Changed
- April 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 7 / 3
- IPv6 Prefixes (raw / aggregated)
- 11 / 7
- IPv4 Addresses
- 1 536
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇺🇸 United States (2 560 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 91 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 96 unique BGP neighbors
- Reach
- 7 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (7 total)
- 172.98.48.0/22 (1 024 addresses (/22 prefix))
- 38.87.123.0/24 (256 addresses (/24 prefix))
- 38.146.216.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (11 total)
- 2620:98:e002::/47
- 2620:98:e004::/47
- 2620:98:e00a::/47
- 2620:98:e00c::/47
- 2620:98:e000::/48
- 2620:98:e007::/48
- 2620:98:e008::/48