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Autonomous System details for AS55219

AS55219
Cisco Systems, Inc. • cisco.com

AS55219 — Cisco Systems, Inc.

AS Name
SOURCEFIRE-LABS
Country
United States (US)
Website
Number of IPv4
2,048
Number of IPv6
2.9 × 1025
ASN type
Business
Status
Assigned
Registry
ARIN
Allocated
April 24, 2013
Last updated
July 01, 2015

IP Ranges

3 IPv4 prefixes, 9 IPv6 prefixes
Prefix Company Number of IPs
172.110.204.0/22 Cisco Systems, Inc. 1,024
172.110.204.0/23 Cisco Systems, Inc. 512
198.148.78.0/23 Cisco Systems, Inc. 512
2620:28:c000::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121::/44 Cisco Systems, Inc. 1.93 × 1025
2620:121::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121:1::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121:2::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121:4::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121:5::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121:6::/48 Cisco Systems, Inc. 1.21 × 1024
2620:121:7::/48 Cisco Systems, Inc. 1.21 × 1024

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.

Upstreams of AS55219

2 upstreams

AS55219 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS55219 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS55219

0 downstreams

AS55219 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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