AS55219

Cisco Systems, Inc.

AS 55219 SOURCEFIRE-LABS

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

2,048 IP addresses
ASN55219
NameSOURCEFIRE-LABS
OrganizationCisco Systems, Inc.
CountryUnited States  
RegistryARIN
IPv4 addresses2,048
IPv6 /64 networks1.5 x 220
Prefixes12
Other ASN allocated to Cisco Systems, Inc.
ASN Name IP addresses
109 CISCOSYSTEMS 1,595,904
396922 TGRID-AS 2,560
36519 CISCO-TTNA 512
40590 AS40590 256
22183 CISCO-ROS 0
2051 CISCO-EXT 0
63096 CISCO-CAAS-USA 0
62897 APPDYNAMICS 0
54140 CISCO-OTT 0
3943 DMM 0
26092 LANCOPE-HQ 0
23460 CISCO-SECURITY-CONSULTING-DNET 0
399780 OORTIO-ASN-01 0
IPv4 Prefixes for AS55219
Network Location Addresses
172.110.204.0/22 Cisco Systems, Inc.   Sunnyvale 1,024
172.110.204.0/23 Cisco Systems, Inc.   Sunnyvale 512
198.148.78.0/23 Cisco Systems, Inc.   Ashburn 512
IPv6 Prefixes for AS55219
Network Location /64 Prefixes
2620:121:1::/48 Cisco Systems, Inc.   Fulton 216
2620:121:2::/48 Cisco Systems, Inc.   Chicago 216
2620:121:4::/48 Cisco Systems, Inc.   Dallas 216
2620:121:5::/48 Cisco Systems, Inc.   Fulton (Maple Lawn) 216
2620:121:6::/48 Cisco Systems, Inc.   Chicago 216
2620:121:7::/48 Cisco Systems, Inc.   Amsterdam 216
2620:121::/44 Cisco Systems, Inc.   Sunnyvale 220
2620:121::/48 Cisco Systems, Inc.   Sunnyvale 216
2620:28:c000::/48 Cisco Systems, Inc.   Ashburn 216