AS20705 HSBC-UK HSBC Bank plc

HSBC-UK HSBC Bank plc · registered in the United Kingdom

IPv4 addresses11,26411 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#271largest network in GB by IPv4 space, of 2,074 · 0.02% of GB

Rank worldwide#8,570of 79,396 networks with IPv4

IPv64 x /483 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS20705 in ASN lookup Look up an IP in this network (91.214.4.1) All networks in United Kingdom

IPv4 prefixes

All 11 prefixes, in address order.

91.214.4.0/23
91.214.6.0/24
91.214.7.0/24
161.113.224.0/21
161.113.232.0/23
161.113.234.0/23
161.113.236.0/22
161.113.240.0/22
161.113.244.0/22
161.113.248.0/21
193.108.72.0/21

IPv6 prefixes

All 3 prefixes.

2a0c:6c40:a4ef::/48
2a0c:6c40:c82f::/48
2a0c:6c40:c840::/47

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

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AS31084#270 MAGRATHEA-UK MAGRATHEA TELECOMMUNICATIONS LIMITED11,264

AS62163#272 IPRIVER-AS IP River Limited11,264

AS196744#273 CAPITA Capita Business Services Ltd11,264

AS21396#274 NETCONNEX NetConnex Broadband Ltd.11,008

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