BigDataCloud Logo

ASN Lookup Tool
AS21234 GRENKE

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21234
Organisation
GRENKE Service GmbH
Name
GRENKE
Total IPv4 Addresses
3,840
Total IPv4 Prefixes
5
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,276 out of 77,682
Registry
Ripe
Registered Country
DE flag DE
Registered Country Name
Germany
Registered Date
2002-09-20
Registration Last Change
2024-01-09
Receiving From

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

ASN
Organisation
AS12843
DE flagTelemaxX Telekommunikation GmbH
AS12337
DE flagnoris network AG
IPv4 Active Prefixes

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

Prefix217.25.128.0/21
Range From217.25.128.0
Range To217.25.135.255
Prefix217.25.136.0/24
Range From217.25.136.0
Range To217.25.136.255
Prefix217.25.138.0/24
Range From217.25.138.0
Range To217.25.138.255
Prefix217.25.139.0/24
Range From217.25.139.0
Range To217.25.139.255
Prefix217.25.140.0/22
Range From217.25.140.0
Range To217.25.143.255
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.