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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
160,256
Total IPv4 Prefixes
180
Total IPv6 Prefixes
8
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,318 out of 79,013
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
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 180
IPv6 Active Prefixes
PrefixRange FromRange To
2001:67c:67c::/482001:67c:67c::2001:67c:67c:ffff:ffff:ffff:ffff:ffff
2001:67c:2ea0::/482001:67c:2ea0::2001:67c:2ea0:ffff:ffff:ffff:ffff:ffff
2a02:11f8:70::/482a02:11f8:70::2a02:11f8:70:ffff:ffff:ffff:ffff:ffff
2a07:cb81::/322a07:cb81::2a07:cb81:ffff:ffff:ffff:ffff:ffff:ffff
2a0a:d6c0:145::/482a0a:d6c0:145::2a0a:d6c0:145:ffff:ffff:ffff:ffff:ffff
Showing 5 of 8