199.21.252.37 — AS19321 RoadRunner
Search for
🌐
AS Numbers
🌐
AS Macros
Clear
🏠
AS Number Lookup
AS19321
Prefixes of AS19321
Prefix 199.21.252.0/23
199.21.252.37
PTR
mail.
teamumc.com
mail.
umchealthsystem.com
A record for
mail.
teamumc.com
A
199.21.252.37
mail.
umchealthsystem.com
A
199.21.252.37
🛡️
Is this IP blacklisted?
Check against 50+ spam databases
→
🌐
199.21.252.0/23
512 IPs · AS19321 RoadRunner
→
🔧
AS19321
RoadRunner autonomous system
→
🇺🇸
RoadRunner
199.21.252.0/23
RR-RC-University Medical Center/NTS Communications-North Texas
PTR
A record for