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OARC's Diamond Members

Charter Communications
ICANN
Verisign

OARC's Platinum Members

Comcast
Google
Infoblox
salesforce.com, Inc.

OARC's Gold Members

Akamai
Cloudflare
DNSFilter
GoDaddy
ISC
Nominet
Oracle
RIPE NCC

OARC's Silver Members

AFNIC
APNIC
CIRA
Cisco
DENIC
EURid
ISOC
Meta
Microsoft
NIC.br
NS1, an IBM Company
PIR
SIDN
SWITCH
UltraDNS (Vercara)

OARC's Bronze Members

Afilias
Alibaba Cloud
Amazon
Arnes
auDA
CentralNic
CNNIC
Craigslist
CZ.NIC
Deutsche Telekom AG
DigiCert
DK Hostmaster A/S
DNS Belgium
DomainTools
Edgio
F5
Fastly
Gransy
.IE
InternetNZ
JPRS
KISA/KRNIC
LACNIC
MSK-IX
Nameshield
Netscout
NIC.AT
NIC Chile
NIC Mexico
No-IP
Norid
PowerDNS
.PT
Spamhaus Technology Ltd.
SURF bv
Telus
The Swedish Internet Foundation
Traficom
Whalebone

OARC's Blue Members

BYU
CAIDA
CORE Association (Council of Registrars)
ENS Labs Ltd.
Honest Consulting
Hostmaster Ltd.
ISOC-IL
ISZT Nonprofit Kft.
M3AAWG
NASA
NIC.CR
NLnet Labs
NSRC at University of Oregon
PANDI
PCH
Quad9
RNIDS
SOX
Supermethod
University of Maryland
USC/ISI
UTwente

OARC's Supporters

AFRINIC
BFH
CENTR
Columbia University
deSEC
DISA
Double Shot Security
Eesti Internet
Hazel Smith
IDC
LACTLD
Mythic Beasts
Netnod
Nimbus
Sinodun
TChung
University Grenoble Alpes
US ARMY
WIDE