// organizations

Organizations

Top organisations holding IP and ASN allocations across the five regional internet registries. Filter by registry, country, industry, or recent activity.

Stats reflect 1 active filter·RIR=arin

Organizations

39,242 / 128,300

Activity in window

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Top RIR

ARIN

Top country

US

Showing 1-50 of 39,242

#OrganizationRegistryCountryASNsIPv4 blocksIPv4 hostsIPv6 blocks
1United States Department of Defense (DoD)ARINUS1,0082,259300,150,78423
2AT&T Enterprises, LLCARINUS123451107,344,89614
3Amazon.com, Inc.ARINUS41,805101,905,1522
4Verizon BusinessARINUS22363497,576,70420
5Amazon Data Services SingaporeARINUS017776,046,3360
6Comcast Cable Communications, LLCARINUS569870,055,4246
7Microsoft CorporationARINUS6414845,692,4169
8Cogent Communications, LLCARINUS9226437,615,8725
9Charter Communications IncARINUS3221137,005,05618
10Level 3 Parent, LLCARINUS4031333,098,7525
11CenturyLink Communications, LLCARINUS9243129,730,0486
12Google LLCARINUS116021,796,6084
13Ford Motor CompanyARINUS11017,059,3281
14Apple Inc.ARINUS3416,777,9840
15Charter Communications LLCARINUS12914416,322,5605
16T-Mobile USA, Inc.ARINUS156016,295,9367
17Akamai Technologies, Inc.ARINUS235813,390,5929
18Amateur Radio Digital CommunicationsARINUS0212,582,9120
19IBMARINUS916712,546,5600
20AT&T Services, Inc.ARINUS615912,404,2240
21Cox Communications Inc.ARINUS112911,833,3443
22Windstream Communications LLCARINUS482179,321,98419
23Bell CanadaARINCA191808,806,40010
24HP Inc.ARINUS104007,751,6800
25The Prudential Insurance Company of AmericaARINUS177,143,4240
26Oracle CorporationARINUS432247,042,30411
27HEWLETT PACKARD ENTERPRISE COMPANYARINUS211076,925,5683
28NTT America, Inc.ARINUS301806,703,1041
29Eli Lilly and CompanyARINUS1516,455,5520
30JPMorgan Chase & Co.ARINUS20546,371,3282
31Bank of America, National AssociationARINUS1116,226,1760
32Shaw CommunicationsARINCA8345,376,5125
33TELUS Communications Inc.ARINCA171445,370,3687
34Frontier Communications of America, Inc.ARINUS6725,298,1761
35Rogers Communications Canada Inc.ARINCA6344,988,1607
36The Procter and Gamble CompanyARINUS0374,100,3520
37Globenet Cabos Submarinos America Inc.ARINUS02134,063,2320
38Optimum OnlineARINUS2283,986,1763
39GTT Americas, LLCARINUS191173,959,5528
40National Aeronautics and Space AdministrationARINUS243223,648,7680
41Charter Communications, IncARINUS7233,417,0883
42Merit Network Inc.ARINUS28453,363,0720
43CoreWeave, IncARINUS273,224,5761
44Citigroup Inc.ARINUS29453,194,1121
45USDAARINUS1393,152,3840
46Xerox CorporationARINUS0163,145,7280
47United States Postal ServiceARINUS1403,080,7040
48Google Fiber Inc.ARINUS3132,998,2721
49Alibaba Cloud LLCARINUS3212,842,6241
50Merck and Co., Inc.ARINUS1302,818,0481