$ query “AS59455” --type=asn → 1 result(s)

AS59455 · CSG-AS

Clearstream Technology ltd

AS59455 belongs to Clearstream Technology ltd and is a hosting access provider, established in the United Kingdom in 2012. The system announces 5 888 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United Kingdom, with additional presence in Hong Kong SAR China.

Basic Information

Country
🇬🇧 United Kingdom
Category
Hosting
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 16, 2012
Last Changed
May 01, 2026
Last Seen
May 14, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
8 / 8
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
5 888
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇬🇧 United Kingdom (10 752 IPs), 🇭🇰 Hong Kong SAR China (256 IPs)
Prefix Changed
April 03, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
60 networks exchanging traffic without transit
Downstream Customers
1 downstream buying transit
Unclassified
4 unclassified BGP neighbors
Degree
67 unique BGP neighbors
Reach
1 network in customer cone

Upstream Providers (2)

  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS8801 — ROCKETFIBRE

Prefix Lists

IPv4 Prefixes (8 total)

  • 46.17.208.0/21 (2 048 addresses (/21 prefix))
  • 185.23.52.0/22 (1 024 addresses (/22 prefix))
  • 185.33.192.0/22 (1 024 addresses (/22 prefix))
  • 185.79.108.0/23 (512 addresses (/23 prefix))
  • 193.33.116.0/23 (512 addresses (/23 prefix))
  • 193.111.33.0/24 (256 addresses (/24 prefix))
  • 194.26.198.0/24 (256 addresses (/24 prefix))
  • 222.167.193.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a04:2340::/29