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ASN Lookup Tool
AS51191 XIRRA

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS51191
Organisation
Core-Backbone GmbH
Name
XIRRA
Total IPv4 Addresses
7,168
Total IPv4 Prefixes
10
Total IPv6 Prefixes
121
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#11,981 out of 79,051
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2011-02-07
Registration Last Change
2025-06-25
Receiving From

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

ASN
Organisation
AS33891
DE flagCore-Backbone GmbH
AS56662
PL flagMarcin Gondek
AS20473
US flagThe Constant Company, LLC
AS199524
LU flagG-Core Labs S.A.
AS60068
GB flagDatacamp Limited
Showing 5 of 6
IPv4 Active Prefixes

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

PrefixRange FromRange To
91.232.96.0/2391.232.96.091.232.97.255
130.185.104.0/21130.185.104.0130.185.111.255
185.24.68.0/22185.24.68.0185.24.71.255
185.108.216.0/22185.108.216.0185.108.219.255
185.169.24.0/24185.169.24.0185.169.24.255
Showing 5 of 10
IPv6 Active Prefixes
PrefixRange FromRange To
2a01:4a0:2000::/482a01:4a0:2000::2a01:4a0:2000:ffff:ffff:ffff:ffff:ffff
2a01:4a0:2001::/482a01:4a0:2001::2a01:4a0:2001:ffff:ffff:ffff:ffff:ffff
2a01:4a0:2002::/482a01:4a0:2002::2a01:4a0:2002:ffff:ffff:ffff:ffff:ffff
2a06:4b00::/322a06:4b00::2a06:4b00:ffff:ffff:ffff:ffff:ffff:ffff
2a06:4b01::/352a06:4b01::2a06:4b01:1fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 121