# \#whois

**URL:** https://community.ipinfo.io/tag/whois/77.md

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## [Create a WHOIS server from scratch](https://community.ipinfo.io/t/create-a-whois-server-from-scratch/5574)

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**Author:** [@Max](https://community.ipinfo.io/u/Max)\
**Replies:** 4\
**Last updated:** [June 28, 2026, 4:16pm UTC](https://community.ipinfo.io/t/create-a-whois-server-from-scratch/5574 "2026-06-28T16:16:13Z")

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The WHOIS protocol is commonly used to obtain information about IP addresses and domain names from regional Internet registries and registrar databases. For example one might use the whois command to find registration i…

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## [Appropriate geofeed URLs](https://community.ipinfo.io/t/appropriate-geofeed-urls/5602)

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**Author:** [@Abdullah](https://community.ipinfo.io/u/Abdullah)\
**Replies:** 3\
**Last updated:** [April 21, 2024, 3:27pm UTC](https://community.ipinfo.io/t/appropriate-geofeed-urls/5602 "2024-04-21T15:27:54Z")

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At IPinfo, we spend a lot of time with IP WHOIS data and are used to seeing many weird and wonderful entries and strange edge cases for which we need to support. We recently came across something odd from the WHOIS recor…

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## [Lookup IP addresses RWHOIS data from IPinfo’s WHOIS Summary database on Snowflake](https://community.ipinfo.io/t/lookup-ip-addresses-rwhois-data-from-ipinfo-s-whois-summary-database-on-snowflake/1119)

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**Author:** [@Abdullah](https://community.ipinfo.io/u/Abdullah)\
**Replies:** 0\
**Last updated:** [June 20, 2023, 5:06am UTC](https://community.ipinfo.io/t/lookup-ip-addresses-rwhois-data-from-ipinfo-s-whois-summary-database-on-snowflake/1119 "2023-06-20T05:06:53Z")

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On Snowflake, all of our listings come with their own unique UDTF (User Defined Table Functions) that is designed to enrich your IP database in the most efficient way possible. You should exclusively use these UDTFs if y…

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## [Internet from scratch in 10 slides](https://community.ipinfo.io/t/internet-from-scratch-in-10-slides/5524)

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**Author:** [@Max](https://community.ipinfo.io/u/Max)\
**Replies:** 2\
**Last updated:** [February 22, 2024, 8:06pm UTC](https://community.ipinfo.io/t/internet-from-scratch-in-10-slides/5524 "2024-02-22T20:06:41Z")

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Image credits: Laptop by iconfield from Noun Project (CC BY 3.0) Router by SBTS from Noun Project (CC BY 3.0)

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## [IPinfo WHOIS data downloads offering](https://community.ipinfo.io/t/ipinfo-whois-data-downloads-offering/1961)

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**Author:** [@Abdullah](https://community.ipinfo.io/u/Abdullah)\
**Replies:** 0\
**Last updated:** [August 1, 2023, 5:35pm UTC](https://community.ipinfo.io/t/ipinfo-whois-data-downloads-offering/1961 "2023-08-01T17:35:09Z")

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IPinfo offers a variety of WHOIS databases, all of which are structured, parsed and ready to be integrated into a data pipeline. IPinfo offers WHOIS data in two distinct categories: IPinfo WHOIS Summary data downloads: …

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## [Difference between RWHOIS and RIR WHOIS](https://community.ipinfo.io/t/difference-between-rwhois-and-rir-whois/1587)

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**Author:** [@Abdullah](https://community.ipinfo.io/u/Abdullah)\
**Replies:** 0\
**Last updated:** [July 14, 2023, 5:47pm UTC](https://community.ipinfo.io/t/difference-between-rwhois-and-rir-whois/1587 "2023-07-14T17:47:38Z")

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What is the difference between RWHOIS and RIR WHOIS database RWHOIS and RIR WHOIS are two different systems used for querying and obtaining information about IP address allocations and Internet resources. IPinfo offers s…