Data as of Nov 3, 2026

199.83.64.0/24

No anonymizer space · no proxy exits in 30 days

Summa Health System · space held by Summa Health

Announcement
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Sep 2026
its first announcement on record

Network & registry

Announced by

Covering announcement 199.83.64.0/21

Prefix
199.83.64.0/21
Announced by
AS33226 Summa Health System
Type
Business
RPKI
No RPKI
Netname
NETBLK-SUMHLTHS
Registrant
Summa Health
RIR
ARIN
Origin network

AS33226

US
Name
Summa Health System
Type
Business
Registered
Oct 28, 2004
Domain
summahealth.org
Industry
Health Care Services
Spamhaus ASN-DROP
not listed