Professional IP Registry Lookup
IP WHOIS Details
Query regional network registries recursively to isolate network ranges, ISP owners, allocations, regional servers, and administrative abuse contacts.
BGP Network & Carrier
BGP Autonomous System (ASN)
AS6307 (AMERICAN-EXPRESS - American Express Company, US) [US]
Query IP Address
148.173.91.85
Reverse DNS (PTR)
dealcenter.americanexpress.com
Country / Region
Unknown
Regional Internet Registry (RIR)
ARIN (North America)
Security & Reputation Assessment
USOM Blacklist
Clean — No Active Block in Turkey
Global DNSBL Blacklist Reputation
Spamhaus Zen
Clean
Barracuda BRBL
Clean
UCEPROTECT L1
Clean
Quick Diagnostics & Actions
Subnet Diagnostics
IP Range Span
148.173.0.1
→
148.173.255.254
Subnet Block / Range
CIDR Prefix
/16
IP Version
IPv4
Subnet Mask
255.255.0.0
Total Hosts
65,534
Network Class
Class B
Network Name
AMEX-CENTRAL
Network Type / Status
DIRECT ALLOCATION
Registry Owner & Contacts
Sponsoring Organization / Owner
American Express Company
AMERIC
Allocated
09.05.1991
Last Updated
22.04.2026
Abuse / Security Contact
Registry ID / Handle
NET-148-173-0-0-1
Admin Contact
Tech Contact