This record archives version v1 of the T-Garden dataset, accompanying the Scientific Data manuscript “A curated dataset of real and synthetic quasi-planar Internet backbone network topologies.” The archive contains curated real-world physical-layer Internet backbone topologies and synthetic quasi-planar backbone network topologies in GML format, together with plots and license information. The archive is a static snapshot of the public GitHub repository https://github.com/kepestamas/T-Garden-Networks. If you use T-Garden in academic work, please cite the associated Scientific Data paper once available. This Zenodo DOI identifies the exact archived dataset version.Please cite the usage of our dataset as: Tamás-Zsolt Képes, Noémi Gaskó, János Tapolcai and Balázs Vass. A curated dataset of real and synthetic quasi-planar Internet backbone network topologies. Sci Data 13 (2026). https://doi.org/10.1038/s41597-026-07944-3 @article{kepes2026curated, author = {Tam{\'a}s-Zsolt K{\'e}pes and No{\'e}mi Gask{\'o} and J{\'a}nos Tapolcai and Bal{\'a}zs Vass}, title = {{A curated dataset of real and synthetic quasi-planar Internet backbone network topologies}}, journal = {Scientific Data}, volume = {13}, month = aug, year = {2026}, doi = {10.1038/s41597-026-07944-3}, url = {https://doi.org/10.1038/s41597-026-07944-3}}