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	Prefix	Description
	12.5.186.0/23	CISCO SYSTEMS, INC
	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.
	64.104.0.0/16	CISCO SYSTEMS, INC.
	64.104.0.0/18	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.
	72.163.0.0/18	CISCO SYSTEMS, INC.
	72.163.0.0/16	CISCO SYSTEMS, INC.
	72.163.4.0/24	CISCO SYSTEMS, INC.
	72.163.7.0/24	CISCO SYSTEMS, INC.
	72.163.64.0/20	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.
	111.223.8.0/22	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.
	173.36.0.0/14	CISCO SYSTEMS, INC.
	173.36.0.0/17	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:c128::/47	CISCO SYSTEMS, INC.
	2001:420:c130::/46	CISCO SYSTEMS, INC.
	2001:420:c134::/46	CISCO SYSTEMS, INC.
	2001:420:c138::/46	CISCO SYSTEMS, INC.

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Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy amazing_hopper Policy relaxed_goldstine Policy trusting_chandrasekhar Policy jovial_cori Policy romantic_wozniak Policy eager_bardeen Policy stoic_hopper Policy suspicious_newton Policy eager_mclean Policy peaceful_cohen Policy nervous_mayer Policy awesome_chatelet Policy practical_ellis Policy crazy_benz Policy tender_curran Policy keen_joliot Policy agitated_taussig Policy stoic_kapitsa Policy suspicious_allen Policy relaxed_lehmann Policy zealous_curran Policy friendly_wu Policy competent_saha Policy unruffled_easley Policy lucid_ptolemy Policy optimistic_kirch Policy suspicious_wright Policy epic_swirles Policy gifted_einstein Policy nostalgic_hodgkin Policy zealous_brattain

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Prefixes in selected policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✔
	AS3491	PCCW Global (HK) Ltd.	✔	✔
	AS4637	Telstra International Limited	✔	✔
	AS4755	TATA Communications (formerly VSNL)	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS1221	Telstra Limited	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS701	Verizon Business	✔	✔
	AS4657	StarHub Ltd	✔	✔
	AS4812	China Telecom Shanghai Province Network	✔	✘
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS1680	Cellcom Fixed Line Communication L.P	✔	✔
	AS7473	Singapore Telecommunications Ltd	✔	✔
	AS7018	AT&T Enterprises, LLC	✔	✔
	AS2764	AAPT Limited	✔	✔
	AS17621	China Unicom Shanghai network	✔	✘
	AS8551	Bezeq International Ltd.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS4637	Telstra International Limited	✔	✔
	AS3491	PCCW Global (HK) Ltd.	✔	✔
	AS1221	Telstra Limited	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS4657	StarHub Ltd	✔	✔
	AS4755	TATA Communications (formerly VSNL)	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS1680	Cellcom Fixed Line Communication L.P	✔	✔
	AS4812	China Telecom Shanghai Province Network	✔	✘
	AS701	Verizon Business	✔	✔
	AS7473	Singapore Telecommunications Ltd	✔	✔
	AS7018	AT&T Enterprises, LLC	✔	✔
	AS2764	AAPT Limited	✔	✔
	AS17621	China Unicom Shanghai network	✔	✘
	AS8551	Bezeq International Ltd.	✔	✔
	AS8220	COLT	✔	✔
	AS11164	Internet2 I2PX	✔	✔
	AS7843	Charter Communications Inc	✔	✔
	AS15169	Google LLC	✔	✔
	AS10099	China Unicom Global	✔	✘
	AS5713	Telkom SA Ltd.	✔	✘
	AS198949	Radware	✔	✘

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: 2026-05-07T03:35:33Z UTC

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Member of the following AS-SETs

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