AS15817 MITTWALD-AS Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG"

MITTWALD-AS Robert Meyer trading as "Mittwald CM Service GmbH & Co. KG" · registered in Germany

IPv4 addresses34,81625 prefixes · 0.001% of announced IPv4

Rank in Germany#161largest network in DE by IPv4 space, of 2,315 · 0.03% of DE

Rank worldwide#4,591of 79,396 networks with IPv4

IPv67 x /32 (524,287 x /48)19 prefixes

CountryGermany2,599 ASNs registered there

Open AS15817 in ASN lookup Look up an IP in this network (31.220.120.1) All networks in Germany

IPv4 prefixes

All 25 prefixes, in address order.

31.220.120.0/21
37.202.0.0/21
45.144.184.0/22
46.30.56.0/21
153.92.192.0/20
156.67.232.0/21
157.97.32.0/20
176.52.240.0/21
178.16.56.0/21
185.15.192.0/22
185.166.20.0/22
185.181.132.0/22
185.215.156.0/22
185.221.104.0/22
185.224.152.0/22
185.227.112.0/24
185.227.115.0/24
185.233.52.0/22
185.237.64.0/22
185.243.132.0/22
185.247.148.0/24
185.247.151.0/24
188.94.248.0/21
193.53.246.0/23
193.53.250.0/23

IPv6 prefixes

All 19 prefixes.

2a03:2a00::/44
2a03:2a00:11::/48
2a03:2a00:12::/47
2a03:2a00:14::/46
2a03:2a00:18::/45
2a03:2a00:20::/43
2a03:2a00:40::/42
2a03:2a00:80::/41
2a03:2a00:100::/40
2a03:2a00:200::/39
2a03:2a00:400::/38
2a03:2a00:800::/37
2a03:2a00:1000::/36
2a03:2a00:2000::/35
2a03:2a00:4000::/34
2a03:2a00:8000::/33
2a03:2a01::/32
2a03:2a02::/31
2a03:2a04::/30

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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