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Autonomous System details for AS15518

AS15518
Circular Informationssysteme GmbH • circular.net

AS15518 — Circular Informationssysteme GmbH

AS Name
CIRC-AS
Country
Germany (DE)
Website
Number of IPv4
8,192
Number of IPv6
7.92 × 1028
ASN type
ISP
Status
Allocated
Registry
RIPE
Allocated
August 22, 2002
Last updated
October 24, 2025

IP Ranges

5 IPv4 prefixes, 1 IPv6 prefixes
Prefix Company Number of IPs
212.86.160.0/20 circular Informationssysteme GmbH 4,096
212.86.180.0/22 Circular Informationssysteme GmbH 1,024
212.86.188.0/22 Circular Informationssysteme GmbH 1,024
213.153.64.0/22 Circular Informationssysteme GmbH 1,024
213.153.72.0/22 Circular Informationssysteme GmbH 1,024
2a00:1180::/32 Circular Informationssysteme GmbH 7.92 × 1028

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS15518

0 peers

AS15518 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS15518

2 upstreams

AS15518 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS15518 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS15518

0 downstreams

AS15518 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

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