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ASN Lookup Tool
AS203898 CLOUDFLARENET-UK

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS203898
Organisation
Cloudflare Inc
Name
CLOUDFLARENET-UK
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#71,538 out of 79,096
Registry
Ripe
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
2015-10-08
Registration Last Change
2019-06-20
Receiving From

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

ASN
Organisation
AS1273
EU flagVodafone Group PLC The Connection Newbury RG14 2..
AS2860
PT flagNOS COMUNICACOES, S.A.
AS8220
GB flagCOLT Technology Services Group Limited
IPv4 Active Prefixes

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

PrefixRange FromRange To
185.122.0.0/24185.122.0.0185.122.0.255
IPv6 Active Prefixes
PrefixRange FromRange To
2606:54c1:a::/482606:54c1:a::2606:54c1:a:ffff:ffff:ffff:ffff:ffff
2606:54c1:c::/482606:54c1:c::2606:54c1:c:ffff:ffff:ffff:ffff:ffff