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	Prefix	Description
	143.111.0.0/16	The University Of Texas M.D. Anderson Cancer Center
	143.111.5.0/24	The University Of Texas M.D. Anderson Cancer Center
	192.108.242.0/24	The University Of Texas M.D. Anderson Cancer Center
	143.111.86.0/24	The University Of Texas M.D. Anderson Cancer Center

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS22645	LEARN	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS7018	AT&T Enterprises, LLC	✔	✘
	AS22645	LEARN	✔	✘
	AS16905	LEARN	✔	✘

ASHandle:       AS11773
OrgID:          UTMACC
ASName:         UTMDACC
ASNumber:       11773
RegDate:        1998-12-15
Updated:        2012-03-20
Source:         ARIN



OrgID:          UTMACC
OrgName:        The University Of Texas M.D. Anderson Cancer Center
CanAllocate:    
Street:         1155 Pressler Street
City:           Houston
State/Prov:     TX
Country:        US
PostalCode:     77030
RegDate:        1990-03-26
Updated:        2011-09-24
OrgAdminHandle: NETWO2005-ARIN
OrgTechHandle:  NETWO2005-ARIN
OrgAbuseHandle: NETWO2005-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO2005-ARIN
OrgAdminName:          Network Services
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO2005-ARIN
OrgTechName:           Network Services
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETWO2005-ARIN
OrgAbuseName:          Network Services
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-13T03:24:55Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-txbb-commodity	151
LEVEL3	as-lumen-customers-asns	10695
LEVEL3	as-sprint-origins	7309
RADB	as-learn-6922	28
LEVEL3	as-level3-origins-na	0
RADB	as22645:as-cone	133
RADB	as-learn-inst	114
RADB	as-learn-i2px	42
RADB	as-6922	152
RADB	as16905:as-cone	191