ASN AS55219 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS55219?

AS55219 is listed under Cisco Systems, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS55219 Cisco Systems, Inc. | IPGeolocation.io

Cisco Systems, Inc. cisco.com

US 13 Routes

AS Data

AS55219

AS55219 – Cisco Systems, Inc.

AS Number	55219
AS Name	SOURCEFIRE-LABS
Organization	Cisco Systems, Inc.(cs-985)
Country	US
Website	cisco.com
Number of IPv4 Routes	4
Number of IPv6 Routes	9
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2013-04-24

ASN Intelligence API for production workflows

Use ASN data for AS55219 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:121:2::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴
12.167.151.0/24	AS55219	Cisco Systems, Inc.	AT&T Enterprises, LLC	256
172.110.204.0/22	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	1024
2620:28:c000::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴
2620:121::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴
2620:121:7::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴
2620:121:4::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴
2620:121::/44	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~19×10²⁴
2620:121:1::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴
2620:121:6::/48	AS55219	Cisco Systems, Inc.	Cisco Systems, Inc.	~1×10²⁴

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       55219
ASName:         SOURCEFIRE-LABS
ASHandle:       AS55219
RegDate:        2013-04-24
Updated:        2015-07-01    
Ref:            https://rdap.arin.net/registry/autnum/55219


OrgName:        Cisco Systems, Inc.
OrgId:          CS-985
Address:        Talos
Address:        8135 Maple Lawn Blvd
City:           Fulton
StateProv:      MD
PostalCode:     20759
Country:        US
RegDate:        2015-06-12
Updated:        2025-08-29
Ref:            https://rdap.arin.net/registry/entity/CS-985


OrgAbuseHandle: BONDA36-ARIN
OrgAbuseName:   Bondalapati, Prasanth 
OrgAbusePhone:  +1-301-256-3412 
OrgAbuseEmail:  pbondala@cisco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BONDA36-ARIN

OrgDNSHandle: TALOS-ARIN
OrgDNSName:   Talos Operations
OrgDNSPhone:  +1-301-256-3412 
OrgDNSEmail:  talos.ops@cisco.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/TALOS-ARIN

OrgRoutingHandle: BONDA36-ARIN
OrgRoutingName:   Bondalapati, Prasanth 
OrgRoutingPhone:  +1-301-256-3412 
OrgRoutingEmail:  pbondala@cisco.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/BONDA36-ARIN

OrgAbuseHandle: SINGH711-ARIN
OrgAbuseName:   Singh, Sanjay 
OrgAbusePhone:  +1-408-527-4147 
OrgAbuseEmail:  sansingh@cisco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SINGH711-ARIN

OrgTechHandle: SINGH711-ARIN
OrgTechName:   Singh, Sanjay 
OrgTechPhone:  +1-408-527-4147 
OrgTechEmail:  sansingh@cisco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SINGH711-ARIN

OrgTechHandle: TALOS-ARIN
OrgTechName:   Talos Operations
OrgTechPhone:  +1-301-256-3412 
OrgTechEmail:  talos.ops@cisco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TALOS-ARIN

OrgNOCHandle: TALOS-ARIN
OrgNOCName:   Talos Operations
OrgNOCPhone:  +1-301-256-3412 
OrgNOCEmail:  talos.ops@cisco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/TALOS-ARIN

OrgTechHandle: BONDA36-ARIN
OrgTechName:   Bondalapati, Prasanth 
OrgTechPhone:  +1-301-256-3412 
OrgTechEmail:  pbondala@cisco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BONDA36-ARIN

OrgDNSHandle: SINGH711-ARIN
OrgDNSName:   Singh, Sanjay 
OrgDNSPhone:  +1-408-527-4147 
OrgDNSEmail:  sansingh@cisco.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/SINGH711-ARIN

OrgNOCHandle: BONDA36-ARIN
OrgNOCName:   Bondalapati, Prasanth 
OrgNOCPhone:  +1-301-256-3412 
OrgNOCEmail:  pbondala@cisco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/BONDA36-ARIN

OrgAbuseHandle: ATEMK-ARIN
OrgAbuseName:   Atemkeng, Gildas 
OrgAbusePhone:  +1-667-415-6660 
OrgAbuseEmail:  gatemken@cisco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ATEMK-ARIN

OrgDNSHandle: BONDA36-ARIN
OrgDNSName:   Bondalapati, Prasanth 
OrgDNSPhone:  +1-301-256-3412 
OrgDNSEmail:  pbondala@cisco.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/BONDA36-ARIN

OrgRoutingHandle: TALOS-ARIN
OrgRoutingName:   Talos Operations
OrgRoutingPhone:  +1-301-256-3412 
OrgRoutingEmail:  talos.ops@cisco.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/TALOS-ARIN

OrgAbuseHandle: TALOS-ARIN
OrgAbuseName:   Talos Operations
OrgAbusePhone:  +1-301-256-3412 
OrgAbuseEmail:  talos.ops@cisco.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TALOS-ARIN

OrgRoutingHandle: SINGH711-ARIN
OrgRoutingName:   Singh, Sanjay 
OrgRoutingPhone:  +1-408-527-4147 
OrgRoutingEmail:  sansingh@cisco.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SINGH711-ARIN

OrgNOCHandle: ATEMK-ARIN
OrgNOCName:   Atemkeng, Gildas 
OrgNOCPhone:  +1-667-415-6660 
OrgNOCEmail:  gatemken@cisco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ATEMK-ARIN

OrgDNSHandle: ATEMK-ARIN
OrgDNSName:   Atemkeng, Gildas 
OrgDNSPhone:  +1-667-415-6660 
OrgDNSEmail:  gatemken@cisco.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ATEMK-ARIN

OrgNOCHandle: SINGH711-ARIN
OrgNOCName:   Singh, Sanjay 
OrgNOCPhone:  +1-408-527-4147 
OrgNOCEmail:  sansingh@cisco.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SINGH711-ARIN

OrgTechHandle: ATEMK-ARIN
OrgTechName:   Atemkeng, Gildas 
OrgTechPhone:  +1-667-415-6660 
OrgTechEmail:  gatemken@cisco.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ATEMK-ARIN

OrgRoutingHandle: ATEMK-ARIN
OrgRoutingName:   Atemkeng, Gildas 
OrgRoutingPhone:  +1-667-415-6660 
OrgRoutingEmail:  gatemken@cisco.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ATEMK-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS25220	equada network GmbH	DE
AS38880	Micron21 Datacentre Pty Ltd	AU
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS15943	wilhelm.tel GmbH	DE
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS37468	Angola Cables	AO
AS199524	G-Core Labs S.A.	LU
AS49127	Asimo Networks B.V.	NL
AS43727	JSC KVANT-TELEKOM	RU

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS34927	iFog GmbH	CH
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS8298	IPng Networks GmbH	CH
AS48362	Stadtwerke Feldkirch	AT
AS6663	Euroweb Romania S.R.L.	RO
AS4230	CLARO S.A.	BR

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