AS204028 DolphinIT Dolphin IT-Systeme e.K.

DolphinIT Dolphin IT-Systeme e.K. · registered in Germany

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in Germany#1,001largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#27,573of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)28 prefixes

CountryGermany2,599 ASNs registered there

Open AS204028 in ASN lookup Look up an IP in this network (185.118.196.1) All networks in Germany

IPv4 prefixes

All 2 prefixes, in address order.

185.118.196.0/22
213.170.142.0/24

IPv6 prefixes

All 28 prefixes.

2a06:9500::/45
2a06:9500:8::/45
2a06:9500:10::/44
2a06:9500:20::/43
2a06:9500:40::/42
2a06:9500:80::/41
2a06:9500:100::/40
2a06:9500:200::/39
2a06:9500:400::/38
2a06:9500:800::/37
2a06:9500:1000::/46
2a06:9500:1004::/47
2a06:9500:1006::/47
2a06:9500:1008::/45
2a06:9500:1010::/44
2a06:9500:1020::/43
2a06:9500:1040::/42
2a06:9500:1080::/41
2a06:9500:1100::/40
2a06:9500:1200::/39
2a06:9500:1400::/38
2a06:9500:1800::/37
2a06:9500:2000::/35
2a06:9500:4000::/34
2a06:9500:8000::/33
2a06:9501::/32
2a06:9502::/31
2a06:9504::/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