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)
AS109 (CISCOSYSTEMS - CISCO SYSTEMS, INC., US) [US]
Query IP Address
173.37.145.112
Reverse DNS (PTR)
www2-realm.cisco.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
173.36.0.1
→
173.39.255.254
Subnet Block / Range
CIDR Prefix
/14
IP Version
IPv4
Subnet Mask
255.252.0.0
Total Hosts
262,142
Network Class
Class B
Network Name
CISCO-GEN-8
Network Type / Status
DIRECT ALLOCATION
Registry Owner & Contacts
Sponsoring Organization / Owner
CISCO SYSTEMS, INC.
CS-2831
Allocated
15.08.2008
Last Updated
08.03.2024
Abuse / Security Contact
Registry ID / Handle
NET-173-36-0-0-1
Admin Contact
Tech Contact