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ASN Lookup Tool
AS57653 CTL-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS57653
Organisation
Central Technology Ltd
Name
CTL-AS
Total IPv4 Addresses
3,812
Total IPv4 Prefixes
5
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,498 out of 79,085
Registry
Ripe
Registered Country
GB flagGB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2011-12-29
Registration Last Change
2017-11-15
Receiving From

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

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS174
US flagCogent Communications
AS2914
US flagNTT America, Inc.
AS3741
ZA flagDimension Data
AS9498
IN flagBharti Airtel Limited
Showing 5 of 56
IPv4 Active Prefixes

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

PrefixRange FromRange To
45.149.241.0/2445.149.241.045.149.241.255
94.156.96.0/2494.156.96.094.156.96.255
94.156.186.0/2494.156.186.094.156.186.255
109.69.232.0/21109.69.232.0109.69.239.255
185.191.84.0/22185.191.84.0185.191.87.255
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:1ba8::/322a00:1ba8::2a00:1ba8:ffff:ffff:ffff:ffff:ffff:ffff