Internet Important Links

Name Registration : Internet Number Resources : Whois Search : Internet Standards
Anti-Spam : Tools 


BTW calculator

What is my IP number

Subnet Calculator

IPv4 converter

Browser test
Generate random password

Color picker tool

MD5 Hash Generator
SHA1 Hash Generator

Base64 encode tool
Base64 decode tool

Kilowatt-Hours (kWh) to Amp-Hours (Ah) Calculator
Amp-Hours (Ah) to Kilowatt-Hours (kWh) Calculator
Solar Watts and Volts to Amps Calculator



Ascii Table - ASCII character codes and html

Network Calculators ::
Free TCP/IP Network Calculators. Includes web-based Subnet, Supernet and network / node calculators.

IP Calculator ::
ipcalc takes an IP address and netmask and calculates the resulting broadcast, network, Cisco wildcard mask, and host range. By giving a second netmask, you can design subnets and supernets. It is also intended to be a teaching tool and presents the subnetting results as easy-to-understand binary values.

Geo IP Tool ::
My IP Address Lookup and GeoTargeting information

GEO IP Database community Contributions ::
CONTRIBUTIONS/DOWNLOADS; This section is contributions by members of the community.
Country 2 Ip Range

NirSoft Major IP Addresses Blocks By Country

Subnet Calcuator

VLSM (CIDR) Subnet Calculator

IP Subnet Calculator

Name Registration

Stichting Internet Domeinregistratie Nederland
SIDN verzorgt de uitgifte en registratie van .nl-domeinnamen. Zij heeft een publieke functie en wil voor iedereen volledig transparant zijn. Daarom vindt u een uitgebreid overzicht van de binnen SIDN aanwezige informatie op deze website. ::
Hosting, WebDesign, Domeinnaam Registratie. Registreer uw domeinnaam vanaf € 1 per maand. De juiste domeinnaam is de eerste stap naar succes. ::
Domain Registration with FREE E-mail/ URL Forwarding, Privacy Protection and more...

DNS Tools ::
DNS Lookup tool finds all DNS records of a given domain name. The records include but not limited to A, AAAA, CNAME, MX, NS, PTR, SRV, SOA, TXT, CAA. dns checker ::
This is a free web-based service for DNS experts. Given a record name, and a record type, you will receive a report detailing all possible answers.
MxToolbox - - DNS Lookup Tool -
The UltraTools DNS Lookup provides a report on DNS records for a specified domain or hostname - DNS Propagation Checker lets you instantly perform a DNS lookup to check a domain names current IP address and DNS record information against multiple name servers located in different parts of the world. - Query a Domain Name
Query a DNS server on IP Addresses and Domain Names. Query DNS for MX, TXT, SPF, SRV, SOA and other records. - DNS related tools - Online DNS Record Viewer - DNS Propagation Check
Provides free dns lookup service for checking domain name server records against a randomly selected list of DNS servers in different corners of the world. - Free DNS Lookup Tool

Internet Number Resources

The Internet Assigned Numbers Authority (IANA) is responsible for the global coordination of the DNS Root, IP addressing, and other Internet protocol resources.
IANA manages the DNS Root Zone (assignments of ccTLDs and gTLDs), as well as the .int registry, and the .arpa zone.
IANA coordinates the global IP and AS number space, and allocates these to Regional Internet Registries.

Internet Corporation for Assigned Names and Numbers
About ICANN . To reach another person on the Internet you have to type an address into your computer - a name or a number. That address has to be unique so computers know where to find each other. ICANN coordinates these unique identifiers across the world. Without that coordination we wouldn't have one global Internet. ...

InterNIC ::
InterNIC—Public Information Regarding Internet Domain Name Registration Services

RIPE Network Coordination Centre (Europe and northern Africa)
The RIPE Network Co-ordination Centre (RIPE NCC) is a non profit organisation supporting the RIPE Community. The RIPE NCC is one of four Regional Internet Registries who manage Internet resource allocations such as IP addresses and Autonoumous System numbers.

(Northern Americas and southern Africa)
The American Registry for Internet Numbers, a nonprofit corporation, is one of four Regional Internet Registries who manage Internet resource allocations such as IP addresses and Autonoumous System numbers. ARIN also provides a WHOIS query tool to find information about organizations that have registered resources with them.

(Latin America and the Carribean)
Latin American and Caribbean Internet Registry ( LACNIC - Registro de Direcciones de Internet para América Latina y Caribe )

APNIC - Asia Pacific Network Information Centre. Addressing the challenge of responsible Internet resource distribution in the Asia Pacific region.

AfriNIC ::
AfriNIC is a non-government, not-for-profit, membership based organization, based in Mauritius to serve African Internet Community. AfriNIC is the Regional Registry for Internet Number Resources for Africa.

NS BE is een vereniging zonder winstoogmerk, die sinds 1999 de registratie van álle .be domeinnamen beheert.

DENIC is the central registry for all domains under the Top Level Domain .de and thus responsible for the operation and the technical reliability of an important resource of the German Internet.

registry for domain names ending in .ch and .li, SWITCH has been providing top-grade services ever since the beginning of the internet in Switzerland.

DK Hostmaster ::
information regarding domain names that ends with .dk.

AFNIC is the registry for the Internet domain names .fr (France) and .re (Reunion Island). :: is the central office for the registration and administration of all domains ending with .at, or

dot.FM :: - .FM Domain Name Registry

dotAM ::
dotAM - .AM Domain Name Registration & Service

Afilias ::
Afilias powers key pieces of the Internet’s infrastructure, including resolution of all .info and .org domains.

.ME domain registry ::
Domain.ME - the official registry for all .ME Domains

.IN Registry ::
The INRegistry has been created by NIXI, the National Internet eXchange of India.

.Es dominios ::

.mobi ::
.mobi is the first – and only – top-level internet domain designed to help users find Web content that will work on their mobile phones.

Telnic | .tel ::
The .TEL is a service that allows individuals and businesses alike to store and manage all their contact information and keywords directly in the DNS without the need to build, host or manage a website.

.uk domain names ::
Nominet is the Internet registry for .uk domain names.

Whois Search

Whois lookup and Domain name search :: ::

ARIN WHOIS Database Search ::
ARIN's WHOIS service provides a mechanism for finding contact and registration information for resources registered with ARIN. ARIN's database contains IP addresses, autonomous system (AS) numbers, organizations or customers that are associated with these resources, and related Points of Contact (POC).

LACNIC - Whois ::

APNIC Whois ::


Internet Standards

IETF The Internet Engineering Task Force ::
The Internet Engineering Task Force (IETF) is a large open international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and the smooth operation of the Internet. It is open to any interested individual.

RFC-Editor ::
The RFC Editor is the publisher of the RFCs and is responsible for the final editorial review of the documents. The RFC Editor also maintains a master file of RFCs called the "RFC Index", which can be searched online.

IAB Internet Architecture Board ::
The IAB is chartered both as a committee of the Internet Engineering Task Force (IETF) and as an advisory body of the Internet Society (ISOC). Its responsibilities include architectural oversight of IETF activities, Internet Standards Process oversight and appeal, and the appointment of the RFC Editor. The IAB is also responsible for the management of the IETF protocol parameter registries.

Internet Society ISOC ::
The Internet Society (ISOC): An international membership organization working to assure the evolution of global Internet and internetworking technologies through leadership, issues, and education.

W3C ::
W3C World Wide Web Consortium is over 400 organizations leading the World Wide Web to its full potential. Founded by Tim Berners-Lee, the Web's inventor. The W3C Web site hosts specifications, guidelines, software and tools. Public participation is welcome. W3C supports universal access, the semantic Web, trust, interoperability, evolvability, decentralization, and cooler multimedia.


EU Fight against spam, spyware and malicious software

Coalition Against Unsolicited Commercial Email

SpamCop ::
SpamCop is the premier service for reporting spam.

SpamLaws ::
Spam – Antivirus - Identity Theft - Scams and Fraud: STOP IT

Spambot Beware ::
Here you will find information on how to avoid, detect, and harass spambots. Spambots are programs that extract email addresses from web pages, which are then used as targets for spam.

Project Honey Pot - Web's Community Tracking Online Fraud & Abuse

Get Safe Online ::
It's as easy as ABC with our ten-minute internet safety guide. Our site is sponsored by the British government and leading businesses to give you free, objective advice.