WHOIS is a protocol that returns the registered information about an IP address, domain name or network block on the internet.
IPv4 Leasing Service
What Is the IPv4 Service?
The IPv4 service essentially means the use of "Internet Protocol version 4" technology, which allows devices to communicate with each other over the internet or a local area network (LAN).
In short: IPv4 gives every device on the internet a unique address (IP address) so that data packets reach the correct destination.
What Does the IPv4 Service Do?
The IPv4 Protocol Service in the Operating System: The IPv4 service must be active for network connectivity to work on Windows and other systems. If it is disabled, no internet connection is possible.
Your Internet Service Provider's IPv4 Offering: Some ISPs assign an IPv4 address to the user (static or dynamic). If the IPv4 service is not active, connectivity may only be available over IPv6.
IPv4 Access on the Server/Hosting Side: It means your website or server is reachable over IPv4. Some newer services support only IPv6, in which case an IPv4 service may be required.
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Whois IPv4
rDNS Record
rDNS, or Reverse DNS in full, is a system used to match an IP address with domain name information.
BGP Request
BGP (Border Gateway Protocol) is the main routing protocol that forms the backbone of the internet and handles routing between different networks (AS – Autonomous System).
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What Is WHOIS?
WHOIS is a protocol that returns the registered information about an IP address, domain name or network block on the internet. This information typically includes:
• Which organisation or internet service provider (ISP) the IP address is allocated to
• Contact details of the relevant organisation (address, telephone, email and so on)
• AS (Autonomous System) number
• Registration date and the allocated IP range
What Is BGP?
BGP (Border Gateway Protocol) is the main routing protocol that forms the backbone of the internet and handles routing between different networks (AS – Autonomous System). In short, it is the protocol that decides which path data packets take across the internet.
What Is rDNS?
rDNS (Reverse DNS) is the method of querying the hostname that corresponds to an IP address. In the standard DNS system a domain name is resolved to an IP address; rDNS reverses this, letting you reach the domain information from the IP address.
How Does It Work?
Reverse DNS queries are made through PTR (Pointer) records. In the ".in-addr.arpa" zone used specifically for IPv4 addresses, the IP address is written in reverse, and the corresponding domain name is resolved through that PTR record. For example, an rDNS query for the IP address 8.8.8.8 returns dns.google.
Who Creates the rDNS Record?
rDNS configuration is carried out by the internet service provider (ISP) or hosting company that owns the IP block. Setting PTR records correctly is very important for web servers and especially for email systems.
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You can contact our expert team 24/7 for any problem, comment, suggestion or requirement. With next-generation server solutions, we are by your side at every moment with customer satisfaction as our priority.
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Frequently Asked Questions About IPv4
What Is the IPv4 Service?
IPv4 is the fourth version of the internet protocol, used so that devices can identify each other and communicate over the internet. Each device is identified by a unique 32-bit IP address.
How many bits make up an IPv4 address?
That amounts to roughly 4.3 billion (2³²) unique IP addresses.
What are the IPv4 address types?
Public: Directly reachable on the internet.
Private: Used on local networks (for example 192.168.x.x, 10.x.x.x, 172.16.x.x–172.31.x.x).
Loopback: Used for a device to test itself (127.0.0.1).
Broadcast: Used to send a message to all devices on the network.
Why are IPv4 addresses running out?
Because 4.3 billion addresses were not enough for the billions of devices worldwide. NAT (Network Address Translation) and IPv6 came into use for this reason.
When will IPv4 become completely unusable?
It will not disappear completely, but the move to IPv6 continues. Many services use dual stack, running IPv4 and IPv6 together.
Who allocates IPv4 addresses?
IPv4 addresses are allocated through a hierarchical structure:
IANA (Internet Assigned Numbers Authority) → the top-level authority.
RIR (Regional Internet Registries) → regional bodies:
RIPE NCC → Europe and the Middle East (including Turkey)
ARIN → North America
APNIC → Asia-Pacific
LACNIC → Latin America
AFRINIC → Africa
ISPs and organisations → distribute the IP blocks they receive from RIRs to end users.
Can I change my IPv4 address?
Yes, partly: a local (private) IP address can be changed by restarting the router or device, or set manually.
A public IP address depends on your internet service provider. If it is dynamic it can change when the router restarts; if it is static it stays fixed.
Some users connect to the internet through a different public IP using a VPN or proxy service.
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