AS109 CISCO SYSTEMS, INC.

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CISCO SYSTEMS, INC.

AS Number 109
Website http://www.cisco.com

Registered on: 6 May 1987 (38 years old)
Registered to: ARIN-CS-2831 (arin); [Transfer History]

Network status: Active, Allocated under ARIN

Network type: Eyeball

Prefixes Originated: 91 IPv4, 42 IPv6

Upstreams

AS3356 - Lumen (Level 3)
AS3491 - PCCW Global, Inc.
AS4637 - Telstra Global
AS1299 - Arelion (fka. Telia Carrier)
AS4755 - TATA Communications (formerly VSNL)
AS6939 - Hurricane Electric LLC
AS1221 - Telstra Limited
AS7545 - TPG Telecom Limited

Rankings

#88 for Originated IPv4 Space in United States

Tags:

	Prefix	Description
	12.5.186.0/23
	12.19.88.0/21
	12.159.148.0/22	CISCO SYSTEMS, INC.
	64.100.0.0/16	CISCO SYSTEMS, INC.
	64.101.0.0/18	CISCO SYSTEMS, INC.
	64.101.64.0/18	CISCO SYSTEMS, INC.
	64.101.96.0/19	CISCO SYSTEMS, INC.
	64.101.128.0/18	CISCO SYSTEMS, INC.
	64.101.192.0/19	CISCO SYSTEMS, INC.
	64.101.224.0/19	CISCO SYSTEMS, INC.
	64.102.0.0/16	CISCO SYSTEMS, INC.
	64.102.249.0/24	CISCO SYSTEMS, INC.
	64.103.0.0/17	CISCO SYSTEMS, INC.
	64.103.0.0/16	CISCO SYSTEMS, INC.
	64.103.40.0/21	CISCO SYSTEMS, INC.
	64.103.48.0/21	CISCO SYSTEMS, INC.
	64.103.64.0/19	CISCO SYSTEMS, INC.
	64.103.96.0/20	CISCO SYSTEMS, INC.
	64.103.128.0/17	CISCO SYSTEMS, INC.
	64.104.0.0/18	CISCO SYSTEMS, INC.
	64.104.0.0/16	CISCO SYSTEMS, INC.
	64.104.64.0/19	CISCO SYSTEMS, INC.
	64.104.96.0/19	CISCO SYSTEMS, INC.
	64.104.124.0/24	CISCO SYSTEMS, INC.
	64.104.128.0/19	CISCO SYSTEMS, INC.
	64.104.160.0/19	CISCO SYSTEMS, INC.
	64.104.192.0/18	CISCO SYSTEMS, INC.
	64.104.204.0/23	CISCO SYSTEMS, INC.
	64.104.206.0/23	CISCO SYSTEMS, INC.
	66.187.208.0/20	CISCO SYSTEMS, INC.
	72.163.0.0/16	CISCO SYSTEMS, INC.
	72.163.0.0/18	CISCO SYSTEMS, INC.
	72.163.4.0/24	CISCO SYSTEMS, INC.
	72.163.7.0/24	CISCO SYSTEMS, INC.
	72.163.80.0/20	CISCO SYSTEMS, INC.
	72.163.96.0/19	CISCO SYSTEMS, INC.
	72.163.128.0/18	CISCO SYSTEMS, INC.
	72.163.192.0/19	CISCO SYSTEMS, INC.
	72.163.224.0/19	CISCO SYSTEMS, INC.
	72.163.240.0/23	CISCO SYSTEMS, INC.
	72.163.248.0/22	CISCO SYSTEMS, INC.
	103.60.32.0/22	Cisco Systems (China) Networking Technology Co., Ltd.
	128.107.0.0/16	CISCO SYSTEMS, INC.
	128.107.0.0/23	CISCO SYSTEMS, INC.
	128.107.2.0/23	CISCO SYSTEMS, INC.
	128.107.4.0/23	CISCO SYSTEMS, INC.
	128.107.6.0/23	CISCO SYSTEMS, INC.
	128.107.8.0/23	CISCO SYSTEMS, INC.
	128.107.10.0/23	CISCO SYSTEMS, INC.
	128.107.12.0/23	CISCO SYSTEMS, INC.
	128.107.14.0/23	CISCO SYSTEMS, INC.
	128.107.18.0/23	CISCO SYSTEMS, INC.
	128.107.20.0/23	CISCO SYSTEMS, INC.
	128.107.22.0/23	CISCO SYSTEMS, INC.
	128.107.24.0/23	CISCO SYSTEMS, INC.
	128.107.38.0/23	CISCO SYSTEMS, INC.
	128.107.40.0/23	CISCO SYSTEMS, INC.
	128.107.54.0/23	CISCO SYSTEMS, INC.
	144.254.0.0/16	CISCO SYSTEMS, INC.
	161.44.0.0/16	CISCO SYSTEMS, INC.
	171.68.0.0/14	CISCO SYSTEMS, INC.
	173.36.0.0/17	CISCO SYSTEMS, INC.
	173.36.0.0/14	CISCO SYSTEMS, INC.
	173.37.0.0/20	CISCO SYSTEMS, INC.
	173.37.16.0/20	CISCO SYSTEMS, INC.
	173.37.64.0/18	CISCO SYSTEMS, INC.
	173.37.128.0/19	CISCO SYSTEMS, INC.
	173.37.145.0/24	CISCO SYSTEMS, INC.
	173.37.160.0/19	CISCO SYSTEMS, INC.
	173.37.192.0/18	CISCO SYSTEMS, INC.
	173.38.0.0/17	CISCO SYSTEMS, INC.
	173.38.128.0/17	CISCO SYSTEMS, INC.
	173.39.0.0/18	CISCO SYSTEMS, INC.
	173.39.64.0/19	CISCO SYSTEMS, INC.
	173.39.96.0/19	CISCO SYSTEMS, INC.
	173.39.128.0/19	CISCO SYSTEMS, INC.
	173.39.144.0/21	CISCO SYSTEMS, INC.
	173.39.152.0/21	CISCO SYSTEMS, INC.
	173.39.160.0/19	CISCO SYSTEMS, INC.
	173.39.192.0/20	CISCO SYSTEMS, INC.
	173.39.200.0/23	CISCO SYSTEMS, INC.
	192.118.76.0/22	Cisco Systems Israel Ltd.
	192.133.192.0/19	CISCO SYSTEMS, INC.
	192.133.224.0/20	CISCO SYSTEMS, INC.
	192.133.240.0/22	CISCO SYSTEMS, INC.
	192.135.250.0/24	CISCO SYSTEMS, INC.
	198.133.219.0/24	CISCO SYSTEMS, INC.
	198.135.0.0/21	CISCO SYSTEMS, INC.
	204.69.198.0/23	CISCO SYSTEMS, INC.
	204.69.200.0/24	CISCO SYSTEMS, INC.
	216.128.32.0/19	CISCO SYSTEMS, INC.
	2001:420::/32	CISCO SYSTEMS, INC.
	2001:420:88::/48	CISCO SYSTEMS, INC.
	2001:420:89::/48	CISCO SYSTEMS, INC.
	2001:420:8a::/48	CISCO SYSTEMS, INC.
	2001:420:8b::/48	CISCO SYSTEMS, INC.
	2001:420:8c::/48	CISCO SYSTEMS, INC.
	2001:420:8d::/48	CISCO SYSTEMS, INC.
	2001:420:8e::/48	CISCO SYSTEMS, INC.
	2001:420:8f::/48	CISCO SYSTEMS, INC.
	2001:420:91::/48	CISCO SYSTEMS, INC.
	2001:420:92::/48	CISCO SYSTEMS, INC.
	2001:420:93::/48	CISCO SYSTEMS, INC.
	2001:420:1000::/40	CISCO SYSTEMS, INC.
	2001:420:1100::/41	CISCO SYSTEMS, INC.
	2001:420:1180::/41	CISCO SYSTEMS, INC.
	2001:420:1200::/41	CISCO SYSTEMS, INC.
	2001:420:2000::/35	CISCO SYSTEMS, INC.
	2001:420:4000::/40	CISCO SYSTEMS, INC.
	2001:420:4000::/36	CISCO SYSTEMS, INC.
	2001:420:4480::/45	CISCO SYSTEMS, INC.
	2001:420:5000::/39	CISCO SYSTEMS, INC.
	2001:420:5200::/39	CISCO SYSTEMS, INC.
	2001:420:5400::/39	CISCO SYSTEMS, INC.
	2001:420:5600::/39	CISCO SYSTEMS, INC.
	2001:420:5800::/39	CISCO SYSTEMS, INC.
	2001:420:5a00::/39	CISCO SYSTEMS, INC.
	2001:420:5c00::/39	CISCO SYSTEMS, INC.
	2001:420:5e00::/39	CISCO SYSTEMS, INC.
	2001:420:c0c0::/46	CISCO SYSTEMS, INC.
	2001:420:c0c4::/46	CISCO SYSTEMS, INC.
	2001:420:c0cc::/46	CISCO SYSTEMS, INC.
	2001:420:c0d0::/46	CISCO SYSTEMS, INC.
	2001:420:c0d4::/46	CISCO SYSTEMS, INC.
	2001:420:c0d8::/46	CISCO SYSTEMS, INC.
	2001:420:c0dc::/46	CISCO SYSTEMS, INC.
	2001:420:c0e0::/46	CISCO SYSTEMS, INC.
	2001:420:c0ec::/46	CISCO SYSTEMS, INC.
	2001:420:c0f8::/46	CISCO SYSTEMS, INC.
	2001:420:c110::/45	CISCO SYSTEMS, INC.
	2001:420:c130::/46	CISCO SYSTEMS, INC.
	2001:420:c134::/46	CISCO SYSTEMS, INC.
	2001:420:c138::/46	CISCO SYSTEMS, INC.

Upstreams: 17

Peers: 24

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✔
AS3491	PCCW Global, Inc.	✔	✔
AS4637	Telstra Global	✔	✔
AS1299	Arelion (fka. Telia Carrier)	✔	✔
AS4755	TATA Communications (formerly VSNL)	✔	✔
AS6939	Hurricane Electric LLC	✔	✔
AS1221	Telstra Limited	✔	✔
AS7545	TPG Telecom Limited	✔	✔
AS701	Verizon Business	✔	✔
AS4657	StarHub Ltd	✔	✔
AS1680	Cellcom Fixed Line Communication L.P	✔	✔
AS9498	Bharti Airtel Ltd.	✔	✘
AS4812	China Telecom Shanghai Province Network	✔	✘
AS7018	AT&T Enterprises, LLC	✔	✔
AS3758	SingNet	✔	✔
AS17621	China Unicom Shanghai network	✔	✘
AS8551	Bezeq International Ltd.	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS6939	Hurricane Electric LLC	✔	✔
AS3356	Lumen (Level 3)	✔	✔
AS4637	Telstra Global	✔	✔
AS3491	PCCW Global, Inc.	✔	✔
AS4657	StarHub Ltd	✔	✔
AS9498	Bharti Airtel Ltd.	✔	✘
AS1299	Arelion (fka. Telia Carrier)	✔	✔
AS4755	TATA Communications (formerly VSNL)	✔	✔
AS1221	Telstra Limited	✔	✔
AS1680	Cellcom Fixed Line Communication L.P	✔	✔
AS7545	TPG Telecom Limited	✔	✔
AS701	Verizon Business	✔	✔
AS4812	China Telecom Shanghai Province Network	✔	✘
AS7018	AT&T Enterprises, LLC	✔	✔
AS17621	China Unicom Shanghai network	✔	✘
AS3758	SingNet	✔	✔
AS8551	Bezeq International Ltd.	✔	✔
AS8220	COLT	✔	✔
AS11164	Internet2 I2PX	✔	✔
AS7843	Charter Communications Inc	✔	✔
AS15169	Google LLC	✔	✔
AS10099	China Unicom Global	✔	✘
AS13335	Cloudflare, Inc.	✔	✔
AS5713	Telkom SA Ltd.	✔	✘

ASHandle:       AS109
OrgID:          CS-2831
ASName:         CISCOSYSTEMS
ASNumber:       109
RegDate:        1987-05-06
Updated:        2023-09-12
Source:         ARIN



OrgID:          CS-2831
OrgName:        CISCO SYSTEMS, INC.
CanAllocate:    
Street:         251 LITTLE FALLS DRIVE
City:           WILMINGTON
State/Prov:     DE
Country:        US
PostalCode:     19808
RegDate:        2023-06-07
Updated:        2024-02-16
OrgAdminHandle: GATC-ARIN
OrgTechHandle:  GATC-ARIN
OrgAbuseHandle: CISCO6-ARIN
OrgNOCHandle:   GATC-ARIN
Source:         ARIN





OrgAdminHandle:       GATC-ARIN
OrgAdminName:          GIS ARIN Technical Contact
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        GATC-ARIN
OrgTechName:           GIS ARIN Technical Contact
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       CISCO6-ARIN
OrgAbuseName:          Cisco CSIRT
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         GATC-ARIN
OrgNOCName:            GIS ARIN Technical Contact
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:29:00Z UTC

Member of the following AS-SETs

-	Member
APNIC	as58453:as-asiatest
RADB	as36692:as-umbrella
APNIC	as-sh-cust
RADB	as-singnet
RADB	as-vsnl-in
RADB	as3491:as-customers-ap
RADB	as-telstra-testing-1
ARIN	as36692:as-umbrella
APNIC	as1221:as-customers
RADB	as-hurricane
NTTCOM	as-cisco
RIPE	as-opendns
RADB	as-vipnetntt
RADB	as-skbroadband
RIPE	as-cwbharti
RADB	as3491:as-customers-test
RADB	as198949:as-sd
ARIN	as-opendns
RADB	as-rr-biz
APNIC	as9498:as-bharti-in
RADB	as-ctsh
APNIC	as58453:as-asiaascust
RIPE	as-ebone
ARIN	as-xo-b
APNIC	as17621:as-cncgroup-sh
RADB	as-any2-rs
RADB	as-pacnet-downstream-ph
ARIN	as-cisco
RIPE	as702:as-nl-customer
RADB	as-anc-customer-proxy-register
RIPE	as-bezeqint
RADB	as7473:as-customers:as3758
RADB	as-hurricanev6
LEVEL3	as-lumen-customers-asns
RADB	as-hknet
RADB	as-kddcustomer2
RIPE	as-nv
RADB	as-kdddmpeer
LEVEL3	as-level3-origins-eu
LEVEL3	as-level3-origins-na
APNIC	as4837:as-cncgroup
RIPE	as-kpn
RADB	as-telstra-intl-customers
RADB	as-pacnet-downstream-hk
LEVEL3	as-sprint-customers
RIPE	as-transroute-spec
RADB	as-pacnet-customer-proxy-register
RADB	as58453:as-asiaascust
RADB	as-telstra-intl-customers-4637
RIPE	as6777:as-ams-ix-rs-v6
RIPE	as-golden
RADB	as-opendns
NTTCOM	as-ntt-cisco
RIPE	as-retn-actual-v6
RIPE	as6777:as-ams-ix-rs-sets
RIPE	as36692:as-umbrella
RADB	as2764:as-bgp-custs
RIPE	as-retn-actual-v4
RADB	as-cisco
LEVEL3	as-sprint-origins
RIPE	as8218:as-amsix-rs
RIPE	as6777:as-ams-ix-rs-sets-v6
LEVEL3	as-starhub
RADB	as7545:as-tpgn-customers
RIPE	as6777:as-ams-ix-rs

Name	IPv4	IPv6	Link Speed
Equinix Ashburn	206.126.237.85	2001:504:0:2::109:1	20 gbps
Equinix San Jose	206.223.116.53	2001:504:0:1::109:1	20 gbps
Equinix Dallas	206.223.118.166	2001:504:0:5::109:1	10 gbps
Equinix Dallas	206.223.118.167	2001:504:0:5::109:2	10 gbps
Equinix Tokyo	203.190.230.90	2001:de8:5::109:1	10 gbps
Equinix Singapore	27.111.228.194	2001:de8:4::109:1	10 gbps
Equinix Sydney	45.127.172.226	2001:de8:6::109:1	10 gbps
DE-CIX Mumbai	103.27.171.197	2401:7500:fff6::266	10 gbps
LINX LON1	195.66.227.143	2001:7f8:4::6d:1	10 gbps
AMS-IX	80.249.211.50	2001:7f8:1::a500:109:1	10 gbps

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Upstreams

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Upstreams

Peers

Member of the following AS-SETs

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