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ASN Lookup Tool
AS21369 SEMA-UK-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21369
Organisation
Atos IT Services UK Ltd
Name
SEMA-UK-AS
Total IPv4 Addresses
8,192
Total IPv4 Prefixes
32
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#10,949 out of 79,153
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2001-11-15
Registration Last Change
2023-01-03
Receiving From
ASN
Organisation
AS2856
GB flagBritish Telecommunications PLC
AS702
US flagVerizon Business
AS8220
GB flagCOLT Technology Services Group Limited
AS198949
IL flagRadware Ltd
IPv4 Active Prefixes
PrefixRange FromRange To
157.203.6.0/24157.203.6.0157.203.6.255
157.203.7.0/24157.203.7.0157.203.7.255
157.203.36.0/24157.203.36.0157.203.36.255
157.203.37.0/24157.203.37.0157.203.37.255
157.203.40.0/24157.203.40.0157.203.40.255
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