$ query “AS21472” --type=asn → 1 result(s)
AS21472 · SERVERHOUSE
ServerHouse Ltd
AS21472 is owned by ServerHouse Ltd and is a mid-size transit provider, based in the United Kingdom since 2001. The system announces 7 936 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United Kingdom.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- December 20, 2001
- Last Changed
- May 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 11 / 10
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 7 936
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇬🇧 United Kingdom (14 336 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 7 936 total (0.01%)
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 83 networks exchanging traffic without transit
- Downstream Customers
- 7 downstreams buying transit
- Unclassified
- 2 unclassified BGP neighbors
- Degree
- 94 unique BGP neighbors
- Reach
- 10 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (11 total)
- 5.2.16.0/21 (2 048 addresses (/21 prefix))
- 185.79.56.0/22 (1 024 addresses (/22 prefix))
- 185.149.176.0/22 (1 024 addresses (/22 prefix))
- 195.49.144.0/22 (1 024 addresses (/22 prefix))
- 78.143.254.0/23 (512 addresses (/23 prefix))
- 91.224.190.0/23 (512 addresses (/23 prefix))
- 162.33.228.0/23 (512 addresses (/23 prefix))
- 185.98.214.0/23 (512 addresses (/23 prefix))
- 185.229.40.0/23 (512 addresses (/23 prefix))
- 185.182.147.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a00:e740::/32