AS51531 DECIX-MGMT-AS DE-CIX Management GmbH

DECIX-MGMT-AS DE-CIX Management GmbH · registered in Germany

IPv4 addresses6,9127 prefixes · <0.001% of announced IPv4

Rank in Germany#452largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#11,671of 79,396 networks with IPv4

IPv657,344 x /4817 prefixes

CountryGermany2,599 ASNs registered there

Open AS51531 in ASN lookup Look up an IP in this network (45.129.80.1) All networks in Germany

IPv4 prefixes

All 7 prefixes, in address order.

45.129.80.0/22
45.159.240.0/22
46.31.120.0/21
81.89.89.0/24
81.89.90.0/23
81.89.92.0/22
185.70.20.0/22

IPv6 prefixes

All 17 prefixes.

2001:67c:4::/48
2a02:c50::/37
2a02:c50:800::/38
2a02:c50:c00::/40
2a02:c50:d00::/41
2a02:c50:d80::/43
2a02:c50:da0::/44
2a02:c50:db0::/45
2a02:c50:db9::/48
2a02:c50:dba::/47
2a02:c50:dbc::/46
2a02:c50:dc0::/42
2a02:c50:e00::/39
2a02:c50:1000::/36
2a02:c50:2000::/35
2a02:c50:6000::/35
2a02:c50:8000::/33

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources