AS198863 CUP-AS Cambridge University Press (Holdings) Limited

CUP-AS Cambridge University Press (Holdings) Limited · registered in the United Kingdom

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,482largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#56,206of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited Kingdom2,261 ASNs registered there

Open AS198863 in ASN lookup Look up an IP in this network (91.240.2.1) All networks in United Kingdom

IPv4 prefixes

All 1 prefix, in address order.

91.240.2.0/23

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS198306#1479 AESL1 AIG Europe (Services) Limited512

AS198652#1480 SELECTEL-AS Selectel LTD512

AS198685#1481 LUNAR-AS LUNAR HOSTING LTD512

AS198957#1483 SYSTEMFORCE_AS System Force I.T. Ltd512

AS199262#1484 TfL-FPS-AS Transport for London512

AS199301#1485 SOLUTIONS-AS RLE SOLUTIONS LTD512

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