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// ASN

AS55219

SOURCEFIRE-LABS - Cisco Systems, Inc., US

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS55219
Organization
Cisco Systems, Inc.
Description
SOURCEFIRE-LABS - Cisco Systems, Inc., US
Country
US
State / Region
MD
City
Fulton
Address
8135 Maple Lawn Blvd
Created
2015-06-12
Updated
2025-08-29
IPv4 Prefixes
3
IPv6 Prefixes
9

IPv4 Prefixes

3 total
172.110.204.0/22
172.110.204.0/23
198.148.78.0/23

IPv6 Prefixes

9 total
2620:121:1::/48
2620:121:2::/48
2620:121:4::/48
2620:121:5::/48
2620:121:6::/48
2620:121:7::/48
2620:121::/44
2620:121::/48
2620:28:c000::/48

What is AS55219?

AS55219 is an Autonomous System Number (ASN) assigned to Cisco Systems, Inc.. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.