$ query “AS203898” --type=asn → 1 result(s)
AS203898 · CLOUDFLARENET-UK
Cloudflare Inc
AS203898 is owned by Cloudflare Inc and is a hosting stub network, established in the United States in 2015. The system announces 256 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United Kingdom.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Hosting
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- October 08, 2015
- Last Changed
- March 04, 2026
- Last Seen
- April 29, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇬🇧 United Kingdom (256 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 3 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (1 total)
- 185.122.0.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2606:54c1:a::/48
- 2606:54c1:c::/48