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ASN Lookup Tool
AS13037 ZEN-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS13037
Organisation
Zen Internet Ltd
Name
ZEN-AS
Total IPv4 Addresses
531,200
Total IPv4 Prefixes
37
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#561 out of 78,226
Registry
Ripe
Registered Country
GB flag GB
Registered Country Name
United Kingdom of Great Britain and Northern Ireland (the)
Registered Date
2002-09-20
Registration Last Change
2023-08-02
Receiving From

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

ASN
Organisation
AS8714
GB flagLondon Internet Exchange Ltd.
AS33891
DE flagCore-Backbone GmbH
AS2914
US flagNTT America, Inc.
AS3741
ZA flagDimension Data
AS9498
IN flagBharti Airtel Limited
Showing 5 of 72
Transit To

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

 

ASN
Organisation
AS208697
GB flagKellogg Management Services (Europe) Limited
AS44697
GB flagComputer & Communication Co. Limited
AS51766
GB flagMerseyside Fire and Rescue Service
IPv4 Active Prefixes

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

Prefix51.148.0.0/16
Range From51.148.0.0
Range To51.148.255.255
Prefix51.155.0.0/16
Range From51.155.0.0
Range To51.155.255.255
Prefix62.3.64.0/18
Range From62.3.64.0
Range To62.3.127.255
Prefix77.104.128.0/18
Range From77.104.128.0
Range To77.104.191.255
Prefix82.68.0.0/15
Range From82.68.0.0
Range To82.69.255.255
Showing 5 of 37
IPv6 Active Prefixes
Prefix2a02:8010::/29
Range From2a02:8010::
Range To2a02:8017:ffff:ffff:ffff:ffff:ffff:ffff
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.