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ASN Lookup Tool
AS205544 LEASEWEB-UK-LON-11

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS205544
Organisation
Leaseweb UK Limited
Name
LEASEWEB-UK-LON-11
Total IPv4 Addresses
33,792
Total IPv4 Prefixes
55
Total IPv6 Prefixes
20
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,839 out of 77,675
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2017-07-26
Registration Last Change
2018-09-04
Receiving From

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

ASN
Organisation
AS16265
NL flagLeaseWeb Network B.V.
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS2856
GB flagBritish Telecommunications PLC
AS3257
US flagGTT Communications Inc.
Showing 5 of 13
IPv4 Active Prefixes

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

Prefix23.19.52.0/24
Range From23.19.52.0
Range To23.19.52.255
Prefix23.19.53.0/24
Range From23.19.53.0
Range To23.19.53.255
Prefix23.19.56.0/24
Range From23.19.56.0
Range To23.19.56.255
Prefix23.19.57.0/24
Range From23.19.57.0
Range To23.19.57.255
Prefix23.19.58.0/24
Range From23.19.58.0
Range To23.19.58.255
Showing 5 of 55
IPv6 Active Prefixes
Prefix2607:f5b5:2::/48
Range From2607:f5b5:2::
Range To2607:f5b5:2:ffff:ffff:ffff:ffff:ffff
Prefix2607:f5b5:3::/48
Range From2607:f5b5:3::
Range To2607:f5b5:3:ffff:ffff:ffff:ffff:ffff
Prefix2a04:88c4::/32
Range From2a04:88c4::
Range To2a04:88c4:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a04:88c6::/31
Range From2a04:88c6::
Range To2a04:88c7:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a09:17c0:b19a::/48
Range From2a09:17c0:b19a::
Range To2a09:17c0:b19a:ffff:ffff:ffff:ffff:ffff
Showing 5 of 20
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.