AS59455 CSG-AS Clearstream Technology ltd

CSG-AS Clearstream Technology ltd · registered in the United Kingdom

IPv4 addresses5,8888 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#388largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#12,561of 79,396 networks with IPv4

IPv68 x /32 (524,290 x /48)3 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS59455 in ASN lookup Look up an IP in this network (46.17.208.1) All networks in United Kingdom

IPv4 prefixes

All 8 prefixes, in address order.

46.17.208.0/21
185.23.52.0/22
185.33.192.0/22
185.79.108.0/23
193.33.116.0/23
193.111.33.0/24
194.26.198.0/24
222.167.193.0/24

IPv6 prefixes

All 3 prefixes.

2a04:2340::/29
2a06:9801:21a::/48
2a13:9500:18a::/48

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources