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ASN Lookup Tool
AS50510 CRUK-AS

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS50510
Organisation
Cancer Research UK
Name
CRUK-AS
Total IPv4 Addresses
1536
Total IPv4 Prefixes
6
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#27,042 out of 77,220
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2010-02-01
Registration Last Change
2018-09-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS6461
US flagZayo Bandwidth
AS25180
GB flagExponential-E Ltd.
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix143.65.192.0/24
Range From143.65.192.0
Range To143.65.192.255
Prefix143.65.196.0/24
Range From143.65.196.0
Range To143.65.196.255
Prefix143.65.200.0/24
Range From143.65.200.0
Range To143.65.200.255
Prefix143.65.201.0/24
Range From143.65.201.0
Range To143.65.201.255
Prefix143.65.202.0/24
Range From143.65.202.0
Range To143.65.202.255
Showing 5 of 6
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.