Home
/
ASN directory
/
AS21197
AS21197 ROHDE-SCHWARZ-ASN Rohde & Schwarz GmbH & Co. KG
ROHDE-SCHWARZ-ASN Rohde & Schwarz GmbH & Co. KG · registered in Germany
IPv4 addresses 4,096 1 prefixes · <0.001% of announced IPv4
Rank in Germany #578 largest network in DE by IPv4 space, of 2,315 · <0.01% of DE
Rank worldwide #14,921 of 79,396 networks with IPv4
IPv6 8 x /32 (524,288 x /48) 1 prefixes
Country Germany 2,599 ASNs registered there
IPv4 prefixes
All 1 prefix, in address order.
IPv6 prefixes
All 1 prefix.
Similar-sized networks in Germany
ASN Name IPv4 addresses
AS16277 #575 TOC contac Datentechnik GmbH4,352
AS212341 #576 CSN-Datacenters Stephan Rakowski, trading as CSN-Solutions GmbH4,096
AS50064 #577 TKN TK Networks GmbH4,096
AS25279 #579 TREML-STURM-AS Treml+Sturm Datentechnik GmbH4,096
AS59507 #581 TLN-AS terralink networks GmbH4,096
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