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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
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
Ziff Davis

OARC's Blue Members

54N Ltd
BYU
CAIDA
Double Shot Security
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
University of Maryland
USC/ISI

OARC's Supporters

AFRINIC
BFH
CENTR
Columbia University
deSEC
DISA
Eesti Internet
ICSI
IDC
LACTLD
Mythic Beasts
Netnod
Nimbus
Sinodun
TChung
Univ. Grenoble Alpes
Univ. Passo Fundo
US ARMY
UTwente
WIDE