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AS21207
AS21207 RWE E.ON Verwaltungs GmbH
RWE E.ON Verwaltungs GmbH · registered in Germany
IPv4 addresses 24,832 14 prefixes · <0.001% of announced IPv4
Rank in Germany #206 largest network in DE by IPv4 space, of 2,315 · 0.02% of DE
Rank worldwide #5,444 of 79,396 networks with IPv4
IPv6 8 x /32 (525,312 x /48) 2 prefixes
Country Germany 2,599 ASNs registered there
IPv4 prefixes
All 14 prefixes, in address order.
153.100.0.0/23 153.100.4.0/24 153.100.192.0/21 153.100.200.0/24 153.100.201.0/24 153.100.202.0/23 153.100.204.0/23 153.100.206.0/23 153.100.208.0/20 153.100.224.0/19 193.25.64.0/20 193.25.82.0/23 193.25.84.0/22 193.25.88.0/21
IPv6 prefixes
All 2 prefixes.
2a02:d20::/38 2a02:ad40::/29
Similar-sized networks in Germany
ASN Name IPv4 addresses
AS12759 #203 SOCO-AS Stephan Fuss trading as SoftCom Datensysteme25,600
AS8859 #204 OSN OSN Online Service Nuernberg GmbH25,600
AS29014 #205 SCALEUP ScaleUp Technologies GmbH & Co. KG24,832
AS12329 #207 TMR GLASFASER RUHR GmbH & Co. KG24,832
AS15456 #208 INTERNETX-AS InterNetX GmbH24,576
AS20783 #209 POP pop-interactive GmbH24,576
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