GeoIP Release Notes

On January 21, 2026, we released data with significant changes to autonomous_system_organization and less significant changes to isp and organization data.

Customers can expect to see in many cases improved, more readable versions of autonomous_system_organization and, in some cases, small changes to isp and organization data.

This change is reflected in the following products and services:

• GeoLite ASN database
• GeoLite City web service
• GeoIP ISP database
• GeoIP Enterprise database
• GeoIP City Plus web service
• GeoIP Insights web service
• minFraud Insights web service
• minFraud Factors web service

On Tuesday, January 27, 2026, we will be updating a number of NTT (Nippon Telegraph and Telephone) networks to reflect one of NTT’s consumer-facing brands. For these networks, the ISP name will change from NTT DOCOMO BUSINESS to Open Computer Network.

This change will be reflected in the following products and services:

• GeoIP Enterprise database
• GeoIP ISP database
• GeoIP Insights web service
• GeoIP City Plus web service

GeoNames monthly diff report (January 2026)

GeoIP and GeoLite databases incorporate GeoNames geographical data, which is made available under the Creative Commons Attribution 4.0 License.

Monthly updates to GeoNames data are incorporated into our databases as we refresh them. Above you will find a CSV report of these changes as they apply to English place names for the month of January as they relate to the following fields:

• geoname_id
• country_name
• country_code
• city_name
• subdivision_1_iso_code
• subdivision_2_iso_code

Note that the values for the old_ and new_ columns for a given field only differ for the field defined in the diff_in column.

Effective tomorrow, Wednesday, January 7, 2026, we will be blanking out the city and postal fields more often for cell networks in the following countries:

• Argentina
• Australia
• Germany
• France
• Japan
• Poland
• Spain
• Turkey

We will also be blanking out the subdivision, city, and postal fields more often in:

• Finland
• Switzerland

This change is to reduce false positives when the end users of a network are dispersed all over the subdivision or country.

The update will be reflected in the following products and services:

• GeoIP City database
• GeoIP Enterprise database
• GeoIP City Plus web service
• GeoIP Insights web service
• minFraud Factors web service
• minFraud Insights web service