AS10879 Unitedhealthcare details

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AS10879 – Unitedhealthcare

Field	Value
Country	United States
Website	uhc.com
Hosted domains	1,409
Number of IPv4	220,160
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
205.132.166.0/24	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
149.111.128.236	██████████	35
149.111.149.235	██████████	35
149.111.148.127	██████████	32
168.183.36.249	██████████	28
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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ASN API & Database

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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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
161.249.150.83	AS10879 Unitedhealthcare	`1.99ms` from Atlanta, US
161.249.66.212	AS10879 Unitedhealthcare	`3.15ms` from Dallas, US
161.249.65.211	AS10879 Unitedhealthcare	`1.81ms` from Dallas, US
149.111.234.88	AS10879 Unitedhealthcare	`7.06ms` from Des Moines, US
168.183.48.255	AS10879 Unitedhealthcare	`5.64ms` from Des Moines, US
168.183.58.4	AS10879 Unitedhealthcare	`5.62ms` from Des Moines, US
149.111.27.234	AS10879 Unitedhealthcare	`0.92ms` from Dublin, IE
168.183.131.46	AS10879 Unitedhealthcare	`14.05ms` from Kansas City, US
149.111.160.35	AS10879 Unitedhealthcare	`1.60ms` from Minneapolis, US
149.111.173.139	AS10879 Unitedhealthcare	`1.59ms` from Minneapolis, US
161.249.232.2	AS10879 Unitedhealthcare	`15.67ms` from Dallas, US
161.249.69.131	AS10879 Unitedhealthcare	`1.68ms` from Dallas, US
161.249.74.42	AS10879 Unitedhealthcare	`0.46ms` from Dallas, US
168.183.214.9	AS10879 Unitedhealthcare	`18.38ms` from Denver, US
149.111.221.3	AS10879 Unitedhealthcare	`5.85ms` from Des Moines, US
149.111.201.153	AS10879 Unitedhealthcare	`5.60ms` from Des Moines, US
149.111.177.197	AS10879 Unitedhealthcare	`6.14ms` from Des Moines, US
170.138.24.4	AS10879 Unitedhealthcare	`1.97ms` from Murfreesboro, US
161.249.245.93	AS10879 Unitedhealthcare	`5.48ms` from New York City, US
168.183.216.114	AS10879 Unitedhealthcare	`1.05ms` from Dallas, US
149.111.178.216	AS10879 Unitedhealthcare	`6.14ms` from Des Moines, US
161.249.160.26	AS10879 Unitedhealthcare	`5.86ms` from Des Moines, US
149.111.22.51	AS10879 Unitedhealthcare	`1.29ms` from Hyderabad, IN
149.111.172.209	AS10879 Unitedhealthcare	`1.60ms` from Minneapolis, US
161.249.144.83	AS10879 Unitedhealthcare	`0.24ms` from Atlanta, 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
70.100.203.191	AS5650 Frontier Communications of America, Inc.	`18.57ms` from Chicago, US
91.32.144.207	AS3320 Deutsche Telekom AG	`5.05ms` from Frankfurt am Main, DE
130.183.194.47	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`8.15ms` from Frankfurt am Main, DE
27.47.100.255	AS17816 China Unicom IP network China169 Guangdong province	`10.13ms` from Guangzhou, CN
31.53.14.191	AS2856 British Telecommunications PLC	`6.40ms` from London, GB
90.52.92.15	AS3215 Orange S.A.	`11.00ms` from Marseille, FR
43.204.200.47	AS16509 Amazon.com, Inc.	`0.18ms` from Mumbai, IN
114.202.195.63	AS9318 SK Broadband Co Ltd	`1.79ms` from Seoul, KR
61.99.244.175	AS9318 SK Broadband Co Ltd	`9.82ms` from Seoul, KR
118.72.3.31	AS4837 CHINA UNICOM China169 Backbone	`7.62ms` from Taiyuan, CN
195.20.129.15	AS52111 GroupM Kommunikationsagentur GmbH	`0.36ms` from Vienna, AT
35.91.134.239	AS16509 Amazon.com, Inc.	`0.54ms` from Boardman, US
137.238.213.191	AS26462 The State University of New York College at Geneseo	`4.93ms` from Buffalo, US
13.111.49.31	AS14340 Salesforce.com, Inc.	`0.88ms` from Dallas, US
8.154.41.111	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`3.71ms` from Hangzhou, CN
84.68.110.127	AS5378 Vodafone Limited	`3.18ms` from London, GB
79.48.97.255	AS3269 Telecom Italia S.p.A.	`4.04ms` from Milan, IT
46.53.255.255	AS42772 Unitary enterprise A1	`0.65ms` from Minsk, BY
109.74.213.143	AS15774 Limited Liability Company "TTK-Svyaz"	`3.95ms` from Moscow, RU
97.145.32.15	AS6167 Verizon Business	`10.15ms` from Philadelphia, US
162.205.183.159	AS7018 AT&T Enterprises, LLC	`3.64ms` from San Jose, US
3.112.153.31	AS16509 Amazon.com, Inc.	`0.14ms` from Tokyo, JP
54.95.255.15	AS16509 Amazon.com, Inc.	`0.13ms` from Tokyo, JP
47.92.204.191	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.18ms` from Zhangjiakou, CN
83.149.105.207	AS60781 LeaseWeb Netherlands B.V.	`0.32ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 -m6 170.138.94.133

traceroute to 170.138.94.133 (170.138.94.133): 6 hops max, 52 byte packets

1 [AS42473] 188.172.254.160 0.373 ms

2 *

3 [AS2914] 129.250.9.183 0.5 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Bucharest, RO

On October 25th 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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