128.35.64.0/18 - bgp.tools

128.35.64.0/18

Originated by AS10879
AS Name: Unitedhealthcare

Overview
Connectivity
Whois
Validation

Registered on: 6 Jul 1983 (43 years old)

Registered to: ARIN-UHC-5 (arin); [Transfer History]

Prefix status: Active, Allocated under ARIN

Size of prefix: 64 /24's

More Specific Announcements

	Prefix	Description
	128.35.68.0/22	UnitedHealth Group Incorporated
	128.35.72.0/22	UnitedHealth Group Incorporated

Less Specific Announcements

	Prefix	Description
	128.35.0.0/17	UnitedHealth Group Incorporated

Upstreams

AS7018 - AT&T Enterprises, LLC
AS701 - Verizon Business
AS3356 - Lumen (Level 3)

Chart Display Options

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS7018	AT&T Enterprises, LLC
	AS701	Verizon Business
	AS3356	Lumen (Level 3)

Peers

	ASN	Description
	AS18883	FiberNet Communications L.C.
	AS10242	US Internet Corp
	AS53597	Hoyos Consulting LLC
	AS13335	Cloudflare, Inc.
	AS397326	South Front Networks
	AS4181	TDS TELECOM
	AS18451	LES.NET
	AS32621	Twin City VoIP, Inc.
	AS23428	ServerForge LLC
	AS401332	Triplebit
	AS215248	Bastiaan Mathijs Brink
	AS46733	x6c
	AS52025	ParadoxNetworks Limited
	AS47689	Pudu, LLC
	AS40350	Key Cooperative
	AS400818	Ausra LLC
	AS393577	Tritan Development
	AS11232	Midcontinent Communications
	AS21738	Rozint
	AS64289	Macarne.com
	AS7018	AT&T Enterprises, LLC
	AS701	Verizon Business
	AS3356	Lumen (Level 3)

Last Update: 2026-07-11T03:41:23Z UTC

IRR Databases

IRR	Expected ASN
radb	AS10879	Show Raw route: 128.35.64.0/18 origin: AS10879 descr: UnitedHealth Group Incorporated 6150 Trenton Lane Plymouth, MN 55442 mnt-by: MAINT-UHG changed: dakota.gartley@optum.com 20230522 source: RADB admin-c: UHG-NOC tech-c: UHG-NOC notify: inet_ops@uhc.com last-modified: 2023-11-13T16:17:22Z
radb	AS19905	Show Raw route: 128.35.64.0/18 descr: AC_UNITEDHEA1 origin: AS19905 mnt-by: MAINT-AS19905 changed: wan.engineering@neustar.biz 20190923 #17:46:39Z source: RADB last-modified: 2023-11-13T16:10:14Z

IRR

Expected ASN

radb

AS10879

Show Raw

route:          128.35.64.0/18
origin:         AS10879
descr:          UnitedHealth Group Incorporated 6150 Trenton Lane Plymouth, MN 55442
mnt-by:         MAINT-UHG
changed:        dakota.gartley@optum.com 20230522
source:         RADB
admin-c:        UHG-NOC
tech-c:         UHG-NOC
notify:         inet_ops@uhc.com
last-modified:  2023-11-13T16:17:22Z

radb

AS19905

Matches IRR source, but under a different ASN

Show Raw

route:          128.35.64.0/18
descr:          AC_UNITEDHEA1
origin:         AS19905
mnt-by:         MAINT-AS19905
changed:        wan.engineering@neustar.biz 20190923  #17:46:39Z
source:         RADB
last-modified:  2023-11-13T16:10:14Z

View

More Specific Announcements

Less Specific Announcements

Upstreams

Upstreams

Peers

IRR Databases