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ASN Lookup Tool
AS25291 SYSELEVEN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS25291
Organisation
SysEleven GmbH
Name
SYSELEVEN
Total IPv4 Addresses
37,093
Total IPv4 Prefixes
22
Total IPv6 Prefixes
30
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,700 out of 79,304
Registry
Ripe
Registered Country
DE flagDE
Registered Country Name
Germany
Registered Date
2009-12-07
Registration Last Change
2025-10-15
Receiving From
ASN
Organisation
AS13030
CH flagInit7 (Switzerland) Ltd.
AS5405
DE flagInter.link GmbH
AS13058
DE flagserve-u - Buchholz und Suenderhauf GbR
Transit To
ASN
Organisation
AS44194
DE flagFoerderverein Freie Netzwerke e.V.
AS39614
DE flagDawico Deutschland GmbH
AS41821
DE flagOptimizely GmbH
AS210070
DE flagHotsplots GmbH
AS201066
DE flageGroup Technologies AG
Showing 5 of 7
IPv4 Active Prefixes
PrefixRange FromRange To
37.44.0.0/2137.44.0.037.44.7.255
37.49.152.0/2137.49.152.037.49.159.255
37.123.104.0/2137.123.104.037.123.111.255
77.247.80.0/2177.247.80.077.247.87.255
109.68.224.0/21109.68.224.0109.68.231.255
Showing 5 of 22
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:13c8::/472a00:13c8::2a00:13c8:1:ffff:ffff:ffff:ffff:ffff
2a00:13c8:2::/482a00:13c8:2::2a00:13c8:2:ffff:ffff:ffff:ffff:ffff
2a00:13c8:3::/482a00:13c8:3::2a00:13c8:3:ffff:ffff:ffff:ffff:ffff
2a00:13c8:4::/462a00:13c8:4::2a00:13c8:7:ffff:ffff:ffff:ffff:ffff
2a00:13c8:8::/452a00:13c8:8::2a00:13c8:f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 30