AS15518 CIRC-AS Circular Informationssysteme GmbH

CIRC-AS Circular Informationssysteme GmbH · registered in Germany

IPv4 addresses7,9366 prefixes · <0.001% of announced IPv4

Rank in Germany#424largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#10,941of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryGermany2,599 ASNs registered there

Open AS15518 in ASN lookup Look up an IP in this network (212.86.160.1) All networks in Germany

IPv4 prefixes

All 6 prefixes, in address order.

212.86.160.0/20
212.86.180.0/22
212.86.188.0/22
213.153.64.0/23
213.153.67.0/24
213.153.72.0/22

IPv6 prefixes

All 1 prefix.

2a00:1180::/32

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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