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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
167,424
Total IPv4 Prefixes
185
Total IPv6 Prefixes
8
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,281 out of 79,052
Registry
Ripe
Registered Country
GB flag GB
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

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS8220
GB flagCOLT Technology Services Group Limited
AS13237
DE flageuNetworks GmbH
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix5.11.96.0/20
Range From5.11.96.0
Range To5.11.111.255
Prefix5.182.152.0/24
Range From5.182.152.0
Range To5.182.152.255
Prefix37.32.80.0/21
Range From37.32.80.0
Range To37.32.87.255
Prefix45.129.69.0/24
Range From45.129.69.0
Range To45.129.69.255
Prefix46.28.212.0/24
Range From46.28.212.0
Range To46.28.212.255
Showing 5 of 185
IPv6 Active Prefixes
Prefix2001:67c:67c::/48
Range From2001:67c:67c::
Range To2001:67c:67c:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:2ea0::/48
Range From2001:67c:2ea0::
Range To2001:67c:2ea0:ffff:ffff:ffff:ffff:ffff
Prefix2a02:11f8:70::/48
Range From2a02:11f8:70::
Range To2a02:11f8:70:ffff:ffff:ffff:ffff:ffff
Prefix2a07:cb81::/32
Range From2a07:cb81::
Range To2a07:cb81:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a0a:d6c0:145::/48
Range From2a0a:d6c0:145::
Range To2a0a:d6c0:145:ffff:ffff:ffff:ffff:ffff
Showing 5 of 8