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ASN Lookup Tool
AS9011 UNSPECIFIED

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ASN Details
ASN
AS9011
Organisation
The Patent Office
Name
UNSPECIFIED
Total IPv4 Addresses
7,216
Total IPv4 Prefixes
8
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,759 out of 79,132
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
1970-01-01
Registration Last Change
2025-06-27
Receiving From
ASN
Organisation
AS2856
GB flagBritish Telecommunications PLC
AS13335
US flagCloudflare, Inc.
IPv4 Active Prefixes
PrefixRange FromRange To
212.100.0.0/24212.100.0.0212.100.0.255
212.100.1.0/24212.100.1.0212.100.1.255
212.100.2.0/23212.100.2.0212.100.3.255
212.100.4.0/24212.100.4.0212.100.4.255
212.100.5.0/24212.100.5.0212.100.5.255
Showing 5 of 8
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:ed00::/322a00:ed00::2a00:ed00:ffff:ffff:ffff:ffff:ffff:ffff