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Data as of Nov 6, 2026

141.213.0.0/16

No anonymizer space · no proxy exits in 30 days

University of Michigan

Announcement
this exact prefix
RPKI valid
Announced by
AS36375
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
141.213.0.0/1665,536UMICH-3University of Michigan (UNIVER-118-Z) · USDirect AllocationAug 2, 1990report-abuse@umich.edu
└ 141.213.3.0/24256UMICH-726unknown———
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└ 141.213.8.0/24256UMICH-10113unknown———
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└ 141.213.12.64/2664UMICH-24425unknown———
└ 141.213.12.128/2664UMICH-24426unknown———
└ 141.213.12.192/2664UMICH-41487unknown———
└ 141.213.13.0/25128UMICH-22537unknown———
└ 141.213.13.192/2816UMICH-49007unknown———
└ 141.213.13.208/2816UMICH-60020unknown———
└ 141.213.13.224/2816UMICH-49009unknown———
└ 141.213.13.240/2816UMICH-49011unknown———
└ 141.213.14.0/24256UMICH-22538unknown———
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└ 141.213.16.0/24256UMICH-10114unknown———
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└ 141.213.21.0/24256UMICH-10100unknown———
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└ 141.213.36.0/24256UMICH-21199unknown———
└ 141.213.37.0/24256UMICH-22643unknown———
└ 141.213.38.0/298UMICH-21200unknown———
└ 141.213.38.8/298UMICH-28660unknown———
└ 141.213.38.16/2816UMICH-28661unknown———
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└ 141.213.47.0/2664UMICH-22658unknown———
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└ 141.213.50.128/2664UMICH-22697unknown———
└ 141.213.50.192/2664UMICH-22698unknown———
└ 141.213.51.0/2664UMICH-22682unknown———
└ 141.213.51.192/2664UMICH-27224unknown———
└ 141.213.52.0/2664UMICH-22683unknown———
└ 141.213.52.64/2664UMICH-22706unknown———
└ 141.213.52.128/2664UMICH-22707unknown———
└ 141.213.52.192/2664UMICH-22708unknown———
└ 141.213.53.0/2664UMICH-22684unknown———
└ 141.213.53.64/2664UMICH-22717unknown———
└ 141.213.53.128/2664UMICH-22718unknown———
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└ 141.213.55.0/2664UMICH-22686unknown———
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└ 141.213.56.0/2732UMICH-22687unknown———
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└ 141.213.57.64/2664UMICH-22728unknown———
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└ 141.213.58.0/2664UMICH-22689unknown———
└ 141.213.58.224/2732UMICH-22737unknown———
└ 141.213.59.0/24256UMICH-22690unknown———
└ 141.213.61.0/24256UMICH-22692unknown———
└ 141.213.66.0/23512UMICH-22749unknown———
└ 141.213.68.0/24256UMICH-22750unknown———
└ 141.213.69.0/2664UMICH-22754unknown———
└ 141.213.72.0/24256UMICH-22746unknown———
└ 141.213.73.0/24256UMICH-22759unknown———
└ 141.213.76.0/24256UMICH-22762unknown———
└ 141.213.77.0/24256UMICH-22763unknown———
└ 141.213.78.0/24256UMICH-22764unknown———
└ 141.213.82.0/25128UMICH-22780unknown———
└ 141.213.82.128/25128UMICH-22786unknown———
└ 141.213.84.0/2664UMICH-22782unknown———
└ 141.213.84.64/2664UMICH-44713unknown———
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└ 141.213.84.192/2816UMICH-44715unknown———
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└ 141.213.85.0/2732UMICH-22783unknown———
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└ 141.213.86.192/2732UMICH-66602unknown———
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└ 141.213.87.0/2664UMICH-22785unknown———
└ 141.213.87.128/2664UMICH-66605unknown———
└ 141.213.90.0/24256UMICH-22793unknown———
└ 141.213.92.0/24256UMICH-22795unknown———
└ 141.213.95.0/24256UMICH-22798unknown———
└ 141.213.103.0/25128UMICH-22810unknown———
└ 141.213.104.0/24256UMICH-22804unknown———
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└ 141.213.107.0/24256UMICH-22819unknown———
└ 141.213.108.0/24256UMICH-22806unknown———
└ 141.213.110.0/24256UMICH-22807unknown———
└ 141.213.112.0/24256UMICH-12529unknown———
└ 141.213.113.0/24256UMICH-21134unknown———
└ 141.213.116.0/24256UMICH-21137unknown———
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└ 141.213.118.0/24256UMICH-21139unknown———
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└ 141.213.120.0/2664UMICH-12530unknown———
└ 141.213.120.128/25128UMICH-73944unknown———
└ 141.213.121.0/24256UMICH-38229unknown———
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└ 141.213.123.0/24256UMICH-78476unknown———
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└ 141.213.125.0/24256UMICH-78475unknown———
└ 141.213.126.0/24256UMICH-22837unknown———
└ 141.213.128.0/2664UMICH-930unknown———
└ 141.213.128.64/2732UMICH-10238unknown———
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└ 141.213.128.112/2816UMICH-35528unknown———
└ 141.213.128.128/25128UMICH-4866unknown———
└ 141.213.129.0/25128UMICH-922unknown———
└ 141.213.129.128/25128UMICH-14728unknown———
└ 141.213.130.0/24256UMICH-2957unknown———
└ 141.213.131.0/24256UMICH-65980unknown———
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└ 141.213.132.64/2664UMICH-26388unknown———
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└ 141.213.132.192/2664UMICH-39291unknown———
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└ 141.213.133.128/2664UMICH-12032unknown———
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└ 141.213.134.96/298UMICH-13728unknown———
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└ 141.213.135.0/24256UMICH-814unknown———
└ 141.213.136.0/25128UMICH-699unknown———
└ 141.213.136.128/2732UMICH-1318unknown———
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└ 141.213.137.0/2664UMICH-1319unknown———
└ 141.213.137.64/298UMICH-55650unknown———
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└ 141.213.139.0/2816UMICH-1288unknown———
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└ 141.213.139.32/2732UMICH-37883unknown———
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└ 141.213.140.0/25128UMICH-715unknown———
└ 141.213.140.128/2664UMICH-12925unknown———
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Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS36375

US
Name
University of Michigan
Type
Education
Registered
Dec 16, 2005
Domain
umich.edu
Industry
Education Software
Spamhaus ASN-DROP
not listed