$ query “AS20442” --type=asn → 1 result(s)
AS20442 — YNHHSC
Yale-New Haven Health Services Corporation
AS20442 is owned by Yale-New Haven Health Services Corporation and is an enterprise stub network, registered in the United States since 2007. The system announces 7 680 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
- September 10, 2007
- Last Changed
- March 04, 2026
- Last Seen
- April 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 30 / 10
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 7 680
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Geolocated Countries
- 🇺🇸 United States (8 192 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (30 total)
- 64.252.240.0/21 (2 048 addresses (/21 prefix))
- 74.113.112.0/21 (2 048 addresses (/21 prefix))
- 204.60.184.0/22 (1 024 addresses (/22 prefix))
- 192.152.148.0/23 (512 addresses (/23 prefix))
- 204.60.50.0/23 (512 addresses (/23 prefix))
- 205.167.18.0/23 (512 addresses (/23 prefix))
- 75.5.201.0/24 (256 addresses (/24 prefix))
- 192.131.129.0/24 (256 addresses (/24 prefix))
- 192.152.150.0/24 (256 addresses (/24 prefix))
- 204.90.81.0/24 (256 addresses (/24 prefix))