$ query “AS203516” --type=asn → 1 result(s)
AS203516 · ALTUNHOST
AltunHOST LTD
AS203516 belongs to AltunHOST LTD and is a hosting stub network, based in the United Kingdom since 2025. The system announces 768 IPv4 addresses. The bulk of its IP address space is in the United States, with additional presence in Germany. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Hosting
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- November 24, 2025
- Last Changed
- April 02, 2026
- Last Seen
- May 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 768
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 United States (512 IPs), 🇩🇪 Germany (512 IPs)
- Prefix Changed
- March 28, 2026
Reputation
- Reputation
- Good — 3 flagged IPs out of 768 total (0.39%)
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 (3 total)
- 5.83.131.0/24 (256 addresses (/24 prefix))
- 5.83.135.0/24 (256 addresses (/24 prefix))
- 5.175.206.0/24 (256 addresses (/24 prefix))