Distribution map of the Old World porcupines
Own work using:

http://maps.iucnredlist.org/map.html?id=10748
http://maps.iucnredlist.org/map.html?id=10746
http://maps.iucnredlist.org/map.html?id=10751
http://maps.iucnredlist.org/map.html?id=10749
http://maps.iucnredlist.org/map.html?id=10752
http://maps.iucnredlist.org/map.html?id=10750
http://maps.iucnredlist.org/map.html?id=10753
http://maps.iucnredlist.org/map.html?id=10754
http://maps.iucnredlist.org/map.html?id=2353
http://maps.iucnredlist.org/map.html?id=2354
http://maps.iucnredlist.org/map.html?id=22132
BlankMap-FlatWorld6.svg by Frank Bennett
NordNordWest

Cassola, F. 2016. Hystrix africaeaustralis (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T10748A115099085
Amori, G. &amp; De Smet, K. 2016. Hystrix cristata. The IUCN Red List of Threatened Species 2016: e.T10746A22232484
Amori, G., Hutterer, R., Kryštufek, B., Yigit, N., Mitsain, G. &amp; Palomo, L.J. 2016. Hystrix indica (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T10751A115099509
Lunde, D., Aplin, K. &amp; Molur, S. 2016. Hystrix brachyura (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T10749A115099298
Aplin, K. 2016. Hystrix javanica. The IUCN Red List of Threatened Species 2016: e.T10752A22231749
Cassola, F. 2016. Hystrix crassispinis. The IUCN Red List of Threatened Species 2016: e.T10750A22232051
Heaney, L., Balete, D., Rosell-Ambal, G., Tabaranza, B., Ong, P. &amp; Widmann, P. 2008. Hystrix pumila. The IUCN Red List of Threatened Species 2008: e.T10753A3213451
Amori, G. &amp; Aplin, K. 2016. Hystrix sumatrae. The IUCN Red List of Threatened Species 2016: e.T10754A22231673
Hoffmann, M. &amp; Cox, N. 2016. Atherurus africanus (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T2353A115061551
Molur, S. 2016. Atherurus macrourus. The IUCN Red List of Threatened Species 2016: e.T2354A22231214
Aplin, K. 2017. Trichys fasciculata. The IUCN Red List of Threatened Species 2017: e.T22132A22232753