ASN Lookup Tool
AS15917 CSC-UK-MWH

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS15917
Organisation
CSC Computer Sciences Ltd
Name
CSC-UK-MWH
Total IPv4 Addresses
7424
Total IPv4 Prefixes
5
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,624 out of 76,906
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
1970-01-01
Registration Last Change
2023-08-02
Receiving From

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

ASN
Organisation
EU flagVodafone Group PLC The Connection Newbury RG14 2..
IPv4 Active Prefixes

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

Range From217.31.0.0
Range To217.31.3.255
Range From217.31.4.0
Range To217.31.7.255
Range From217.31.8.0
Range To217.31.8.255
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.