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ASN Lookup Tool
AS23520 COLUMBUS-NETWORKS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS23520
Organisation
Columbus Networks USA, Inc.
Name
COLUMBUS-NETWORKS
Total IPv4 Addresses
158719
Total IPv4 Prefixes
233
Total IPv6 Prefixes
236
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,329 out of 76,346
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2002-04-02
Registration Last Change
2017-03-08
Receiving From

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

ASN
Organisation
AS174
US flagCogent Communications
AS7738
BR flagV tal
AS36351
US flagSoftLayer Technologies Inc.
AS6830
NL flagLiberty Global B.V.
AS3303
CH flagSwisscom (Schweiz) AG
Showing 5 of 14
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS272942
CO flagGLOBAL RAICES S.A.S
AS174
US flagCogent Communications
AS64512
WORLD flagPrivate Use AS
AS8048
VE flagCANTV Servicios, Venezuela
AS6306
VE flagTELEFONICA VENEZOLANA, C.A.
Showing 5 of 152
IPv4 Active Prefixes

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

Prefix23.249.136.0/24
Range From23.249.136.0
Range To23.249.136.255
Prefix24.152.58.0/23
Range From24.152.58.0
Range To24.152.59.255
Prefix38.50.164.0/24
Range From38.50.164.0
Range To38.50.164.255
Prefix63.245.0.0/24
Range From63.245.0.0
Range To63.245.0.255
Prefix63.245.1.0/24
Range From63.245.1.0
Range To63.245.1.255
Showing 5 of 233
IPv6 Active Prefixes
Prefix2607:f438::/52
Range From2607:f438::
Range To2607:f438:0:fff:ffff:ffff:ffff:ffff
Prefix2607:f438:0:1000::/61
Range From2607:f438:0:1000::
Range To2607:f438:0:1007:ffff:ffff:ffff:ffff
Prefix2607:f438:0:1008::/63
Range From2607:f438:0:1008::
Range To2607:f438:0:1009:ffff:ffff:ffff:ffff
Prefix2607:f438:0:100a::/64
Range From2607:f438:0:100a::
Range To2607:f438:0:100a:ffff:ffff:ffff:ffff
Prefix2607:f438:0:100b::/64
Range From2607:f438:0:100b::
Range To2607:f438:0:100b:ffff:ffff:ffff:ffff
Showing 5 of 236
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.