What is your IP-address, IPv4-address and IPv6-address?

Your IP-address is: ??

Your device is connecting with an ?? address

Your IPv6-address is:
Your IPv4-address is:

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Hostname (ISP):
ASN:
ASN Org:
City:
Region:
Country:

IP-address

IP is short for Internet Protocol. The primary purpose of IP is to enable communications between computernetworks. The second important protocol is the Transmission Control Protocol (TCP). Togethere these protocols are called TCP/IP and this is the core of the internet. Every device on a TCP/IP network must have a unique IP address. Actually the IP-number consits of two parts. First, the network ID (or network address) identifies the network on which a host computer can be found and second the host ID (or host address) identifies a specific computer on the network indicated by the network ID. Without these protocols computers are not able to communicate. The TCP/IP protocol suite is sometimes also refered as the Internet Protocol Suite (IPS). Another very important protocol is HTTP, which stands for HyperText Transfer Protocol. HTTP is the basis of the World Wide Web.

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Privacy

Most people who have high speed (broadband) internet access, as ADSL or cable, have a fixed ip-address. Most company networks as well. A dial-up connection normally results in a dynamic ip-address. This does not automatically imply a better privacy situation. Most ip-address will normally only resolve to the Internet Service Provider (ISP) or the company network, and this is the same for dynamic addresses. The ISP however can trace the ip-number back to a specific computer or customer.

FAQ

What is IPv4?
IPv4 is de afkorting van Internet Protocol versie 4. Dit protocol wordt gebruik voor de adressering van computers en andere devices op het internet. IPv4 is de vierde versie.
How many IPv4 addresses do exist?
4.294.967.296, 232, because an IPv4 address uses 32 bits which provides 2^32 unique addresses.
What is IPv6?
IPv6 is de afkorting van Internet Protocol versie 4. Dit protocol wordt gebruik voor de adressering van computers en andere devices op het internet. IPv6 is de zesde versie.
How many IPv6 addresses do exist?
3,402823669×10³⁸,, 2128, because an IPv4 address uses a 128 bits space which provides 2^128 unique addresses.
Does IPv5 exist?
Yes, there is a version 5 from the Internet Protocol, but has never left the experimental stage, it has only been a draft.
How do I find my IP-address?
Because an IP-address is related to your internet connection you have to make a connection to an external Internet Server. The connected server sees your IP-address,otherwise it could't answer your request.
How do I find an IP-address of Google?
You can look that up in an DNS server. Normally a DNS server is provided by your Internet Service ProviderOpen a terminal and execute this command dig google.com: 

dig google.com

; <<>> DiG 9.16.1-Ubuntu <<>> google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43675
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;google.com.			IN	A

;; ANSWER SECTION:
google.com.		228	IN	A	142.251.36.46

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: ma feb 07 18:54:53 CET 2022
;; MSG SIZE  rcvd: 55
The answer is in the ANSWER SECTION: 142.251.36.46
How do I find an IPv6-address of Google?
You can look that up in an DNS server. Normally a DNS server is provided by your Internet Service Provider. Open a terminal and execute this command dig google.com AAAA: 

dig google.com AAAA

; <<>> DiG 9.16.1-Ubuntu <<>> google.com AAAA
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57985
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;google.com.			IN	AAAA

;; ANSWER SECTION:
google.com.		300	IN	AAAA	2a00:1450:400e:802::200e

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: ma feb 07 19:31:11 CET 2022
;; MSG SIZE  rcvd: 67
The answer is in the ANSWER SECTION: 2a00:1450:400e:802::200e
How to use find the IP-address of Google with Googles DNS Server 8.8.8.8
Open a terminal and execute this command dig google.com @8.8.8.8: 

dig google.com @8.8.8.8

; <<>> DiG 9.16.1-Ubuntu <<>> google.com @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34533
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;google.com.			IN	A

;; ANSWER SECTION:
google.com.		236	IN	A	142.251.36.14

;; Query time: 8 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: wo feb 16 20:55:10 CET 2022
;; MSG SIZE  rcvd: 55
What is IPv4/IPv6 dual-stack?
IPv4/IPv6 dual-stack means that the whole infrastructure can run IPv4 and IPv6 in parallel. That means there are two seperated IPv4 en IPv6 networks. It's a flexible solution but the downside is: it comes with a price.
Wat is NAT444?
NAT444 Network address translation (NAT) is a design to connect more devices with a limited amount of IPv4 addresses. This can mitigate IPv4 address exhaustion.
Wat is 464XLAT?
464XLAT is a design to let IPv4 devices use an IPv6 network. This can significantly save costs by not needing an IPv4/IPv6 dual stack.

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