AS109 CISCO SYSTEMS, INC. details

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AS109 – CISCO SYSTEMS, INC.

Field	Value
Country	United States
Website	cisco.com
Hosted domains	823
Number of IPv4	1,148,672
Number of IPv6	100,213,905,816,954,685,437,268,459,520
ASN type	Business
Registry	arin
Allocated	38 years ago on May 06, 1987
Updated	2 years ago on Sep 12, 2023

Netblock	Company	Num of IPs
171.68.0.0/14	CISCO SYSTEMS, INC.	262,144
173.36.0.0/14	CISCO SYSTEMS, INC.	262,144
128.107.0.0/16	CISCO SYSTEMS, INC.	65,536
144.254.0.0/16	CISCO SYSTEMS, INC.	65,536
161.44.0.0/16	CISCO SYSTEMS, INC.	65,536
64.100.0.0/16	CISCO SYSTEMS, INC.	65,536
64.102.0.0/16	CISCO SYSTEMS, INC.	65,536
64.103.0.0/16	CISCO SYSTEMS, INC.	65,536
64.104.0.0/16	CISCO SYSTEMS, INC.	65,536
72.163.0.0/16	CISCO SYSTEMS, INC.	65,536
173.36.0.0/17	CISCO SYSTEMS, INC.	32,768
173.38.0.0/17	CISCO SYSTEMS, INC.	32,768
173.38.128.0/17	CISCO SYSTEMS, INC.	32,768
64.103.0.0/17	CISCO SYSTEMS, INC.	32,768
64.103.128.0/17	CISCO SYSTEMS, INC.	32,768
173.37.192.0/18	CISCO SYSTEMS, INC.	16,384
173.37.64.0/18	CISCO SYSTEMS, INC.	16,384
173.39.0.0/18	CISCO SYSTEMS, INC.	16,384
64.101.0.0/18	CISCO SYSTEMS, INC.	16,384
64.101.128.0/18	CISCO SYSTEMS, INC.	16,384
64.101.64.0/18	CISCO SYSTEMS, INC.	16,384
64.104.0.0/18	CISCO SYSTEMS, INC.	16,384
64.104.192.0/18	CISCO SYSTEMS, INC.	16,384
72.163.0.0/18	CISCO SYSTEMS, INC.	16,384
72.163.128.0/18	CISCO SYSTEMS, INC.	16,384
173.37.128.0/19	CISCO SYSTEMS, INC.	8,192
173.37.160.0/19	CISCO SYSTEMS, INC.	8,192
173.39.128.0/19	CISCO SYSTEMS, INC.	8,192
173.39.160.0/19	CISCO SYSTEMS, INC.	8,192
173.39.64.0/19	CISCO SYSTEMS, INC.	8,192
173.39.96.0/19	CISCO SYSTEMS, INC.	8,192
192.133.192.0/19	CISCO SYSTEMS, INC.	8,192
216.128.32.0/19	CISCO SYSTEMS, INC.	8,192
64.101.192.0/19	CISCO SYSTEMS, INC.	8,192
64.101.224.0/19	CISCO SYSTEMS, INC.	8,192
64.101.96.0/19	CISCO SYSTEMS, INC.	8,192
64.103.64.0/19	CISCO SYSTEMS, INC.	8,192
64.104.128.0/19	CISCO SYSTEMS, INC.	8,192
64.104.160.0/19	CISCO SYSTEMS, INC.	8,192
64.104.64.0/19	CISCO SYSTEMS, INC.	8,192
64.104.96.0/19	CISCO SYSTEMS, INC.	8,192
72.163.192.0/19	CISCO SYSTEMS, INC.	8,192
72.163.224.0/19	CISCO SYSTEMS, INC.	8,192
72.163.96.0/19	CISCO SYSTEMS, INC.	8,192
173.37.0.0/20	CISCO SYSTEMS, INC.	4,096
173.37.16.0/20	CISCO SYSTEMS, INC.	4,096
173.39.192.0/20	CISCO SYSTEMS, INC.	4,096
192.133.224.0/20	CISCO SYSTEMS, INC.	4,096
64.103.96.0/20	CISCO SYSTEMS, INC.	4,096
66.187.208.0/20	CISCO SYSTEMS, INC.	4,096
72.163.80.0/20	CISCO SYSTEMS, INC.	4,096
12.19.88.0/21	AT&T Enterprises, LLC	2,048
173.39.144.0/21	CISCO SYSTEMS, INC.	2,048
173.39.152.0/21	CISCO SYSTEMS, INC.	2,048
198.135.0.0/21	CISCO SYSTEMS, INC.	2,048
64.103.40.0/21	CISCO SYSTEMS, INC.	2,048
64.103.48.0/21	CISCO SYSTEMS, INC.	2,048
103.60.32.0/22	Cisco Systems (China) Networking Technology Co., Ltd.	1,024
12.159.148.0/22	CISCO SYSTEMS, INC.	1,024
192.118.76.0/22	Cisco Systems Israel Ltd.	1,024
192.133.240.0/22	CISCO SYSTEMS, INC.	1,024
72.163.248.0/22	CISCO SYSTEMS, INC.	1,024
12.5.186.0/23	AT&T Enterprises, LLC	512
128.107.0.0/23	CISCO SYSTEMS, INC.	512
128.107.10.0/23	CISCO SYSTEMS, INC.	512
128.107.12.0/23	CISCO SYSTEMS, INC.	512
128.107.14.0/23	CISCO SYSTEMS, INC.	512
128.107.18.0/23	CISCO SYSTEMS, INC.	512
128.107.20.0/23	CISCO SYSTEMS, INC.	512
128.107.2.0/23	CISCO SYSTEMS, INC.	512
128.107.22.0/23	CISCO SYSTEMS, INC.	512
128.107.24.0/23	CISCO SYSTEMS, INC.	512
128.107.38.0/23	CISCO SYSTEMS, INC.	512
128.107.40.0/23	CISCO SYSTEMS, INC.	512
128.107.4.0/23	CISCO SYSTEMS, INC.	512
128.107.54.0/23	CISCO SYSTEMS, INC.	512
128.107.6.0/23	CISCO SYSTEMS, INC.	512
128.107.8.0/23	CISCO SYSTEMS, INC.	512
173.39.200.0/23	CISCO SYSTEMS, INC.	512
204.69.198.0/23	CISCO SYSTEMS, INC.	512
64.104.204.0/23	CISCO SYSTEMS, INC.	512
64.104.206.0/23	CISCO SYSTEMS, INC.	512
72.163.240.0/23	CISCO SYSTEMS, INC.	512
173.37.145.0/24	CISCO SYSTEMS, INC.	256
192.135.250.0/24	CISCO SYSTEMS, INC.	256
198.133.219.0/24	CISCO SYSTEMS, INC.	256
204.69.200.0/24	CISCO SYSTEMS, INC.	256
64.102.249.0/24	CISCO SYSTEMS, INC.	256
64.104.124.0/24	CISCO SYSTEMS, INC.	256
72.163.4.0/24	CISCO SYSTEMS, INC.	256
72.163.7.0/24	CISCO SYSTEMS, INC.	256

Netblock	Company
2001:420::/32	CISCO SYSTEMS, INC.
2001:420:2000::/35	CISCO SYSTEMS, INC.
2001:420:4000::/36	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.
2001:420:1000::/40	CISCO SYSTEMS, INC.
2001:420:4000::/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.
2001:420:4480::/45	CISCO SYSTEMS, INC.
2001:420:c110::/45	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:c130::/46	CISCO SYSTEMS, INC.
2001:420:c134::/46	CISCO SYSTEMS, INC.
2001:420:c138::/46	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.

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WHOIS Details

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                                                ASHandle:       AS109
                                                OrgID:          AS109
                                                ASName:         AS109
                                                ASNumber:       AS109
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 823 domain names hosted across 63 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
72.163.4.154	██████████	746
198.133.219.23	██████████	29
72.163.4.185	█████████	25
173.37.145.103	██████████	5
173.37.145.112	██████████	4
64.103.25.233	██████████	3
128.107.236.132	██████████	3
64.100.15.161	██████████	2
173.37.144.211	██████████	2
171.71.29.128	██████████	1

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Peers

There are 20 peers for this ASN.

Peers	Name
AS11164	Internet2
AS1221	Telstra Limited
AS1299	Arelion Sweden AB
AS1680	Cellcom Fixed Line Communication L.P
AS17621	China Unicom Shanghai network
AS3356	Level 3 Parent, LLC
AS3491	PCCW Global, Inc.
AS3758	SingNet
AS4637	Telstra Global
AS4657	StarHub Ltd
AS4755	TATA Communications formerly VSNL is Leading ISP
AS4812	China Telecom (Group)
AS5713	Telkom SA Ltd.
AS6939	Hurricane Electric LLC
AS701	Verizon Business
AS7018	AT&T Enterprises, LLC
AS7545	TPG Telecom Limited
AS8220	COLT Technology Services Group Limited
AS8551	Bezeq International Ltd.
AS9498	BHARTI Airtel Ltd.

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Upstreams

There are 17 upstreams for this ASN.

upstreams	Name
AS1221	Telstra Limited
AS1299	Arelion Sweden AB
AS1680	Cellcom Fixed Line Communication L.P
AS17621	China Unicom Shanghai network
AS3356	Level 3 Parent, LLC
AS3491	PCCW Global, Inc.
AS3758	SingNet
AS4637	Telstra Global
AS4657	StarHub Ltd
AS4755	TATA Communications formerly VSNL is Leading ISP
AS4812	China Telecom (Group)
AS6939	Hurricane Electric LLC
AS701	Verizon Business
AS7018	AT&T Enterprises, LLC
AS7545	TPG Telecom Limited
AS8551	Bezeq International Ltd.
AS9498	BHARTI Airtel Ltd.

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

422 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
173.38.246.78	AS109 CISCO SYSTEMS, INC.	`0.96ms` from Amsterdam, NL
2001:420:44f5:c::1	AS109 CISCO SYSTEMS, INC.	`12.49ms` from Amsterdam, NL
173.38.162.9	AS109 CISCO SYSTEMS, INC.	`7.06ms` from Amsterdam, NL
2001:420:4621::ad26:d496	AS109 CISCO SYSTEMS, INC.	`1.09ms` from Amsterdam, NL
72.163.9.65	AS109 CISCO SYSTEMS, INC.	`1.71ms` from Dallas, US
72.163.11.134	AS109 CISCO SYSTEMS, INC.	`1.67ms` from Dallas, US
2001:420:1201:5::a	AS109 CISCO SYSTEMS, INC.	`1.35ms` from Dallas, US
72.163.4.38	AS109 CISCO SYSTEMS, INC.	`1.65ms` from Dallas, US
173.36.108.4	AS109 CISCO SYSTEMS, INC.	`1.39ms` from Dallas, US
173.37.205.1	AS109 CISCO SYSTEMS, INC.	`1.71ms` from Dallas, US
192.133.196.12	AS109 CISCO SYSTEMS, INC.	`2.06ms` from Durham, US
64.100.12.245	AS109 CISCO SYSTEMS, INC.	`2.00ms` from Durham, US
128.107.233.102	AS109 CISCO SYSTEMS, INC.	`1.28ms` from Fremont, US
128.107.240.173	AS109 CISCO SYSTEMS, INC.	`1.31ms` from Fremont, US
173.36.203.110	AS109 CISCO SYSTEMS, INC.	`1.51ms` from Fremont, US
128.107.82.23	AS109 CISCO SYSTEMS, INC.	`1.46ms` from Fremont, US
173.36.224.196	AS109 CISCO SYSTEMS, INC.	`1.21ms` from Fremont, US
173.37.58.107	AS109 CISCO SYSTEMS, INC.	`1.65ms` from Fremont, US
173.39.126.55	AS109 CISCO SYSTEMS, INC.	`11.13ms` from Singapore, SG
2001:420:5c21:10::	AS109 CISCO SYSTEMS, INC.	`0.72ms` from Singapore, SG
173.39.119.1	AS109 CISCO SYSTEMS, INC.	`11.07ms` from Singapore, SG
192.118.78.78	AS109 CISCO SYSTEMS, INC.	`1.40ms` from Tel Aviv, IL
2001:420:4481:14::	AS109 CISCO SYSTEMS, INC.	`1.33ms` from Tel Aviv, IL
64.104.56.33	AS109 CISCO SYSTEMS, INC.	`5.05ms` from Tokyo, JP
173.38.156.1	AS109 CISCO SYSTEMS, INC.	`125.53ms` from Amsterdam, NL

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
13.82.87.77	AS8075 Microsoft Corporation	`0.40ms` from Ashburn, US
120.52.180.237	AS133119 China Unicom IP network	`3.80ms` from Beijing, CN
183.172.224.45	AS4538 China Education and Research Network Center	`2.24ms` from Beijing, CN
186.57.48.93	AS22927 Telefonica de Argentina	`2.15ms` from Buenos Aires, AR
72.250.64.173	AS21928 T-Mobile USA, Inc.	`17.78ms` from Chicago, US
72.25.47.125	AS7029 Windstream Communications LLC	`14.95ms` from Chicago, US
74.143.251.221	AS10796 Charter Communications Inc	`5.11ms` from Columbus, US
75.65.113.141	AS7922 Comcast Cable Communications, LLC	`17.65ms` from Dallas, US
188.149.72.205	AS1257 Tele2 Sverige AB	`2.39ms` from Goeteborg, SE
171.39.1.13	AS4837 CHINA UNICOM China169 Backbone	`17.34ms` from Guangzhou, CN
171.249.108.61	AS7552 Viettel Group	`4.00ms` from Ho Chi Minh City, VN
58.27.164.125	AS38264 National WiMAX/IMS environment	`0.68ms` from Islamabad, PK
90.51.227.221	AS3215 Orange S.A.	`11.37ms` from Marseille, FR
185.128.142.189	AS60032 Coriolis Telecom SAS	`3.73ms` from Paris, FR
193.165.93.173	AS30764 PODA a.s.	`0.42ms` from Prague, CZ
54.204.4.77	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
136.25.40.93	AS19165 Webpass Inc.	`1.36ms` from Santa Clara, US
186.239.96.253	AS10429 TELEFÔNICA BRASIL S.A	`1.26ms` from Sao Paulo, BR
59.14.65.221	AS4766 Korea Telecom	`1.79ms` from Seoul, KR
211.76.143.189	AS9216 PUNET Taiwan	`0.84ms` from Taipei, TW
27.254.191.237	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`1.22ms` from Bangkok, TH
97.184.240.93	AS6167 Verizon Business	`9.88ms` from Chicago, US
109.193.19.253	AS3209 Vodafone GmbH	`6.53ms` from Frankfurt am Main, DE
171.227.193.93	AS7552 Viettel Group	`1.01ms` from Ho Chi Minh City, VN
119.13.114.253	AS136907 HUAWEI CLOUDS	`0.89ms` from Hong Kong, HK

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f5 -m10 64.103.15.76

traceroute to 64.103.15.76 (64.103.15.76): 10 hops max, 52 byte packets

5 [AS3356] 212.133.54.210 100.214 ms

6 [AS109] 128.107.10.9 100.38 ms

7 [AS109] 173.38.246.82 97.905 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On August 28th 2025

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS109 at robtex.

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