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ASN Lookup Tool
AS15404 UNSPECIFIED

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS15404
Organisation
COLT Technology Services Group Limited
Name
UNSPECIFIED
Total IPv4 Addresses
159,744
Total IPv4 Prefixes
179
Total IPv6 Prefixes
23
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,312 out of 79,632
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
2019-11-05
Receiving From
ASN
Organisation
AS8220
GB flagCOLT Technology Services Group Limited
AS13237
DE flageuNetworks GmbH
Transit To
ASN
Organisation
AS21070
FR flagTotalEnergies SE
IPv4 Active Prefixes
PrefixRange FromRange To
5.11.96.0/205.11.96.05.11.111.255
5.182.152.0/245.182.152.05.182.152.255
45.129.69.0/2445.129.69.045.129.69.255
46.28.212.0/2446.28.212.046.28.212.255
62.85.160.0/1962.85.160.062.85.191.255
Showing 5 of 179
IPv6 Active Prefixes
PrefixRange FromRange To
2001:678:274::/482001:678:274::2001:678:274:ffff:ffff:ffff:ffff:ffff
2001:67c:67c::/482001:67c:67c::2001:67c:67c:ffff:ffff:ffff:ffff:ffff
2001:67c:2b20::/552001:67c:2b20::2001:67c:2b20:1ff:ffff:ffff:ffff:ffff
2001:67c:2b20:200::/562001:67c:2b20:200::2001:67c:2b20:2ff:ffff:ffff:ffff:ffff
2001:67c:2b20:300::/562001:67c:2b20:300::2001:67c:2b20:3ff:ffff:ffff:ffff:ffff
Showing 5 of 23