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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
7,424
Total IPv4 Prefixes
29
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,755 out of 79,003
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
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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