$ query “AS401873” --type=asn → 1 result(s)
AS401873 · STM-014
UNIVERSAL HEALTH SERVICES
AS401873 belongs to UNIVERSAL HEALTH SERVICES and is an enterprise stub network, based in the United States since 2025. The system announces 256 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
- July 24, 2025
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
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
- 🇺🇸 United States (256 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS19108 — SUDDENLINK-COMMUNICATIONS
Prefix Lists
IPv4 Prefixes (1 total)
- 205.201.100.0/24 (256 addresses (/24 prefix))