AS10879 Unitedhealthcare details

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AS10879 – Unitedhealthcare

Field	Value
Country	United States
Website	uhc.com
Hosted domains	1,409
Number of IPv4	220,672
Number of IPv6	0
ASN type	Business
Registry	arin
Allocated	28 years ago on Dec 17, 1997
Updated	14 years ago on Dec 13, 2011

Netblock	Company	Num of IPs
170.138.0.0/16	UnitedHealth Group Incorporated	65,536
128.35.0.0/17	UnitedHealth Group Incorporated	32,768
128.35.128.0/17	UnitedHealth Group Incorporated	32,768
128.35.64.0/18	UnitedHealth Group Incorporated	16,384
128.35.192.0/18	UnitedHealth Group Incorporated	16,384
149.111.128.0/19	UnitedHealth Group Incorporated	8,192
149.111.192.0/19	UnitedHealth Group Incorporated	8,192
161.249.64.0/20	UnitedHealth Group Incorporated	4,096
161.249.80.0/20	UnitedHealth Group Incorporated	4,096
161.249.144.0/20	UnitedHealth Group Incorporated	4,096
161.249.160.0/20	UnitedHealth Group Incorporated	4,096
161.249.176.0/20	UnitedHealth Group Incorporated	4,096
161.249.224.0/20	UnitedHealth Group Incorporated	4,096
168.183.128.0/20	UnitedHealth Group Incorporated	4,096
149.111.112.0/21	UnitedHealth Group Incorporated	2,048
149.111.224.0/21	UnitedHealth Group Incorporated	2,048
161.249.200.0/21	UnitedHealth Group Incorporated	2,048
161.249.208.0/21	UnitedHealth Group Incorporated	2,048
161.249.240.0/21	UnitedHealth Group Incorporated	2,048
161.249.248.0/21	UnitedHealth Group Incorporated	2,048
128.35.68.0/22	UnitedHealth Group Incorporated	1,024
128.35.72.0/22	UnitedHealth Group Incorporated	1,024
149.111.160.0/22	UnitedHealth Group Incorporated	1,024
149.111.164.0/22	UnitedHealth Group Incorporated	1,024
149.111.168.0/22	UnitedHealth Group Incorporated	1,024
149.111.172.0/22	UnitedHealth Group Incorporated	1,024
149.111.176.0/22	UnitedHealth Group Incorporated	1,024
149.111.232.0/22	UnitedHealth Group Incorporated	1,024
168.183.32.0/22	UnitedHealth Group Incorporated	1,024
168.183.36.0/22	UnitedHealth Group Incorporated	1,024
168.183.48.0/22	UnitedHealth Group Incorporated	1,024
168.183.52.0/22	UnitedHealth Group Incorporated	1,024
168.183.56.0/22	UnitedHealth Group Incorporated	1,024
168.183.60.0/22	UnitedHealth Group Incorporated	1,024
168.183.64.0/22	UnitedHealth Group Incorporated	1,024
168.183.68.0/22	UnitedHealth Group Incorporated	1,024
168.183.96.0/22	UnitedHealth Group Incorporated	1,024
168.183.208.0/22	UnitedHealth Group Incorporated	1,024
168.183.212.0/22	UnitedHealth Group Incorporated	1,024
168.183.216.0/22	UnitedHealth Group Incorporated	1,024
170.138.172.0/22	UnitedHealth Group Incorporated	1,024
149.111.26.0/23	Optum International	512
149.111.28.0/23	Optum Global Services (India) Private Limited	512
149.111.30.0/23	Optum Global Services (India) Private Limited	512
149.111.126.0/23	UnitedHealth Group Incorporated	512
161.249.16.0/23	UnitedHealth Group Incorporated	512
161.249.196.0/23	Optum Global Advantage	512
168.183.42.0/23	UnitedHealth Group Incorporated	512
168.183.44.0/23	UnitedHealth Group Incorporated	512
168.183.46.0/23	UnitedHealth Group Incorporated	512
168.183.106.0/23	UnitedHealth Group Incorporated	512
168.183.164.0/23	UnitedHealth Group Incorporated	512
168.183.166.0/23	UnitedHealth Group Incorporated	512
170.138.254.0/23	UnitedHealth Group Incorporated	512
204.28.14.0/23	Kelsey-Seybold Clinic	512
149.111.12.0/24	UnitedHealth Group Incorporated	256
149.111.21.0/24	Optum Global Services (India) Private Limited	256
149.111.22.0/24	Optum Global Services (India) Private Limited	256
149.111.180.0/24	UnitedHealth Group Incorporated	256
149.111.236.0/24	UnitedHealth Group Incorporated	256
149.111.237.0/24	UnitedHealth Group Incorporated	256
149.111.238.0/24	UnitedHealth Group Incorporated	256
161.249.191.0/24	UnitedHealth Group Incorporated	256
161.249.216.0/24	UnitedHealth Group Incorporated	256
168.183.2.0/24	UnitedHealth Group Incorporated	256
168.183.3.0/24	UnitedHealth Group Incorporated	256
168.183.40.0/24	UnitedHealth Group Incorporated	256
168.183.41.0/24	UnitedHealth Group Incorporated	256
168.183.121.0/24	UnitedHealth Group Incorporated	256
168.183.122.0/24	UnitedHealth Group Incorporated	256
168.183.144.0/24	UnitedHealth Group Incorporated	256
170.138.27.0/24	UnitedHealth Group Incorporated	256
170.138.29.0/24	UnitedHealth Group Incorporated	256
170.138.52.0/24	UnitedHealth Group Incorporated	256
170.138.53.0/24	UnitedHealth Group Incorporated	256
170.138.144.0/24	UnitedHealth Group Incorporated	256
170.138.170.0/24	UnitedHealth Group Incorporated	256
170.138.176.0/24	UnitedHealth Group Incorporated	256
198.203.174.0/24	UnitedHealth Group Incorporated	256
198.203.175.0/24	UnitedHealth Group Incorporated	256
198.203.176.0/24	UnitedHealth Group Incorporated	256
198.203.177.0/24	UnitedHealth Group Incorporated	256
198.203.181.0/24	UnitedHealth Group Incorporated	256
204.28.12.0/24	Kelsey-Seybold Clinic	256
204.28.13.0/24	Kelsey-Seybold Clinic	256
204.28.14.0/24	Kelsey-Seybold Clinic	256
204.28.15.0/24	Kelsey-Seybold Clinic	256
205.132.162.0/24	Sierra Health Services Inc.	256
205.132.165.0/24	Sierra Health Services Inc.	256
205.132.166.0/24	Sierra Health Services Inc.	256
208.66.221.0/24	Trover Solutions	256
208.66.222.0/24	Trover Solutions	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS10879
                                                OrgID:          AS10879
                                                ASName:         AS10879
                                                ASNumber:       AS10879
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,409 domain names hosted across 459 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
204.28.12.31	██████████	252
204.28.12.25	██████████	238
149.111.144.96	██████████	75
168.183.44.179	█████████	56
149.111.148.141	██████████	39
149.111.149.235	██████████	35
149.111.128.236	██████████	35
149.111.148.127	██████████	32
149.111.168.155	██████████	30
168.183.36.207	██████████	28

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Peers

There are 15 peers for this ASN.

Peers	Name
AS13335	Cloudflare, Inc.
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS209	CenturyLink Communications, LLC
AS22773	Cox Communications Inc.
AS23473	PAVLOV MEDIA INC
AS3356	Level 3 Parent, LLC
AS4181	TDS TELECOM
AS4755	TATA Communications formerly VSNL is Leading ISP
AS4775	Globe Telecoms
AS64289	Macarne.com
AS6461	Zayo Bandwidth
AS701	Verizon Business
AS7018	AT&T Enterprises, LLC
AS9299	Philippine Long Distance Telephone Company
AS9498	BHARTI Airtel Ltd.

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Upstreams

There are 12 upstreams for this ASN.

upstreams	Name
AS13335	Cloudflare, Inc.
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS209	CenturyLink Communications, LLC
AS22773	Cox Communications Inc.
AS3356	Level 3 Parent, LLC
AS4755	TATA Communications formerly VSNL is Leading ISP
AS4775	Globe Telecoms
AS6461	Zayo Bandwidth
AS701	Verizon Business
AS7018	AT&T Enterprises, LLC
AS9299	Philippine Long Distance Telephone Company
AS9498	BHARTI Airtel Ltd.

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address	ASN	Details
161.249.145.1	AS10879 Unitedhealthcare	`0.26ms` from Atlanta, US
161.249.65.211	AS10879 Unitedhealthcare	`1.80ms` from Dallas, US
168.183.52.163	AS10879 Unitedhealthcare	`5.60ms` from Des Moines, US
161.249.173.16	AS10879 Unitedhealthcare	`7.05ms` from Des Moines, US
168.183.41.225	AS10879 Unitedhealthcare	`5.64ms` from Des Moines, US
168.183.131.184	AS10879 Unitedhealthcare	`13.79ms` from Kansas City, US
168.183.140.127	AS10879 Unitedhealthcare	`13.79ms` from Kansas City, US
161.249.202.23	AS10879 Unitedhealthcare	`3.77ms` from Los Angeles, US
149.111.130.161	AS10879 Unitedhealthcare	`2.95ms` from Minneapolis, US
149.111.178.14	AS10879 Unitedhealthcare	`2.95ms` from Minneapolis, US
168.183.218.54	AS10879 Unitedhealthcare	`1.01ms` from Dallas, US
168.183.62.129	AS10879 Unitedhealthcare	`5.58ms` from Des Moines, US
168.183.36.26	AS10879 Unitedhealthcare	`5.58ms` from Des Moines, US
149.111.201.236	AS10879 Unitedhealthcare	`5.65ms` from Des Moines, US
149.111.193.130	AS10879 Unitedhealthcare	`5.67ms` from Des Moines, US
168.183.132.204	AS10879 Unitedhealthcare	`13.80ms` from Kansas City, US
161.249.178.41	AS10879 Unitedhealthcare	`0.75ms` from Los Angeles, US
149.111.167.191	AS10879 Unitedhealthcare	`2.95ms` from Minneapolis, US
149.111.149.75	AS10879 Unitedhealthcare	`2.95ms` from Minneapolis, US
161.249.243.11	AS10879 Unitedhealthcare	`1.39ms` from Secaucus, US
161.249.156.8	AS10879 Unitedhealthcare	`1.65ms` from Atlanta, US
161.249.255.2	AS10879 Unitedhealthcare	`15.94ms` from Atlanta, US
168.183.43.147	AS10879 Unitedhealthcare	`5.63ms` from Des Moines, US
168.183.121.20	AS10879 Unitedhealthcare	`6.65ms` from Des Moines, US
149.111.216.22	AS10879 Unitedhealthcare	`5.65ms` from Des Moines, US

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
84.53.122.95	AS29396 Eurofiber UNET	`6.71ms` from Amsterdam, NL
124.192.12.111	AS4808 China Unicom Beijing Province Network	`3.63ms` from Beijing, CN
35.185.172.127	AS396982 Google LLC	`0.13ms` from Chang-hua, TW
3.75.171.255	AS16509 Amazon.com, Inc.	`0.14ms` from Frankfurt am Main, DE
176.224.81.63	AS35819 Etihad Etisalat, a joint stock company	`4.27ms` from Jeddah, SA
41.26.4.63	AS29975 Vodacom	`17.57ms` from Johannesburg, ZA
42.53.212.127	AS4837 CHINA UNICOM China169 Backbone	`15.78ms` from Liaoyang, CN
81.86.40.47	AS13285 TalkTalk Communications Limited	`6.00ms` from London, GB
77.227.111.159	AS12430 VODAFONE ESPANA S.A.U.	`8.60ms` from Madrid, ES
24.118.212.175	AS7922 Comcast Cable Communications, LLC	`6.61ms` from Minneapolis, US
107.3.203.191	AS7922 Comcast Cable Communications, LLC	`5.80ms` from Murfreesboro, US
134.65.211.79	AS31898 Oracle Corporation	`0.25ms` from Phoenix, US
24.19.48.223	AS7922 Comcast Cable Communications, LLC	`3.75ms` from Seattle, US
112.140.107.255	AS38109 SK Broadband Co Ltd	`5.93ms` from Seoul, KR
73.50.67.159	AS7922 Comcast Cable Communications, LLC	`7.70ms` from Chicago, US
95.223.159.127	AS3209 Vodafone GmbH	`5.18ms` from Frankfurt am Main, DE
77.2.133.127	AS6805 Telefonica Germany GmbH & Co.OHG	`10.05ms` from Frankfurt am Main, DE
140.245.251.63	AS31898 Oracle Corporation	`0.16ms` from Hyderabad, IN
92.18.106.223	AS13285 TalkTalk Communications Limited	`2.31ms` from Manchester, GB
168.221.137.63	AS20214 Comcast Cable Communications, LLC	`1.90ms` from Miami, US
75.74.117.63	AS7922 Comcast Cable Communications, LLC	`5.50ms` from Miami, US
128.116.254.31	AS35612 EOLO S.p.A.	`2.39ms` from Milan, IT
3.7.158.31	AS16509 Amazon.com, Inc.	`0.14ms` from Mumbai, IN
110.73.11.175	AS4837 CHINA UNICOM China169 Backbone	`9.14ms` from Nanning, CN
27.147.86.239	AS23624 Chukai Television Co,.Ltd.	`9.07ms` from Osaka, JP

Traceroute

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

traceroute -a -n -q1 -f5 -m9 161.249.89.132

traceroute to 161.249.89.132 (161.249.89.132): 9 hops max, 52 byte packets

5 [AS3356] 209.246.104.2 19.396 ms

6 [AS10879] 161.249.81.142 19.817 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On October 17th 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 AS10879 at robtex.

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