IP Whois
Network registration, geolocation, and abuse contact information.
Network Information
Network Information
The range of IP addresses allocated as a single block. NetRange shows start/end IPs (192.0.2.0 - 192.0.2.255), CIDR uses slash notation (192.0.2.0/24).
How to Interpret
/24 = 256 IPs (small organizations), /22 = 1,024 IPs (larger businesses), /16 = 65,536 IPs (large ISPs), /8 = 16.7 million IPs (extremely large).
Network Information
The range of IP addresses allocated as a single block. NetRange shows start/end IPs (192.0.2.0 - 192.0.2.255), CIDR uses slash notation (192.0.2.0/24).
How to Interpret
/24 = 256 IPs (small organizations), /22 = 1,024 IPs (larger businesses), /16 = 65,536 IPs (large ISPs), /8 = 16.7 million IPs (extremely large).
Organization
Organization
The legal entity that controls this IP address block. This is the actual owner or operator of the network infrastructure.
How to Interpret
ISP names (Comcast, AT&T) indicate residential/business customers. Cloud providers (Amazon, Microsoft) indicate hosting infrastructure. Direct organizations operate their own networks.
Organization
The legal entity that controls this IP address block. This is the actual owner or operator of the network infrastructure.
How to Interpret
ISP names (Comcast, AT&T) indicate residential/business customers. Cloud providers (Amazon, Microsoft) indicate hosting infrastructure. Direct organizations operate their own networks.
Contacts
Contacts
Email address for reporting network abuse, spam, hacking attempts, or security incidents originating from this IP block.
How to Interpret
[email protected] indicates a dedicated team. Generic contacts (noc@, security@) may be monitored but less specialized.
Contacts
Email address for reporting network abuse, spam, hacking attempts, or security incidents originating from this IP block.
How to Interpret
[email protected] indicates a dedicated team. Generic contacts (noc@, security@) may be monitored but less specialized.
Registration
Registration
IP WHOIS provides registration information for IP address blocks, revealing who owns and operates specific IP addresses. Unlike domain WHOIS (website ownership), IP WHOIS focuses on network infrastructure.
History
The RIR system was established in the 1990s to manage growing demand. IANA allocated the final IPv4 blocks to RIRs in 2011, leading to IPv6 adoption and IPv4 address trading markets.
Registration
IP WHOIS provides registration information for IP address blocks, revealing who owns and operates specific IP addresses. Unlike domain WHOIS (website ownership), IP WHOIS focuses on network infrastructure.
History
The RIR system was established in the 1990s to manage growing demand. IANA allocated the final IPv4 blocks to RIRs in 2011, leading to IPv6 adoption and IPv4 address trading markets.
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 64:FF9B:: - 64:FF9B::FFFF:FFFF CIDR: 64:FF9B::/96 NetName: IANA-IPV4-IPV6-TRANSLAT NetHandle: NET6-64-FF9B-1 Parent: () NetType: IANA Special Use OriginAS: Organization: Internet Assigned Numbers Authority (IANA) RegDate: 2022-02-26 Updated: 2024-05-24 Comment: IPv4-IPv6 Translat. [RFC6052] Ref: https://rdap.arin.net/registry/ip/64:FF9B:: OrgName: Internet Assigned Numbers Authority OrgId: IANA Address: 12025 Waterfront Drive Address: Suite 300 City: Los Angeles StateProv: CA PostalCode: 90292 Country: US RegDate: Updated: 2024-05-24 Ref: https://rdap.arin.net/registry/entity/IANA OrgTechHandle: IANA-IP-ARIN OrgTechName: ICANN OrgTechPhone: +1-310-301-5820 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN OrgAbuseHandle: IANA-IP-ARIN OrgAbuseName: ICANN OrgAbusePhone: +1-310-301-5820 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #