Quanti operatori mobili ci sono nel mondo?

Vediamo. Molti di loro (tutti?) sono elencati qui: Most up to date list of MCC and MNC codes: mobile country codes

Questa è una pagina HTML, ma si può fare un po' di magia a riga di comando per affettare i dati:

1. $ curl http://www.mcc-mnc.com/ | \ 
2. perl -nle 'print "$1\t$2\t$3\t$4\t$5\t$6" if /(\d+)<\/td>(\d+)<\/td>(.+)<\/td>(.*)<\/td>(\d*)<\/td>(.*)<\/td><\/tr>/' \ 
3. > list_mno.tsv 
4.  
5. # cheated a bit. Also added the first line with headers manually 
6. $ head list_mno.tsv 
7. mcc mnc iso Country Country Code MNO 
8. 289 88 ge Abkhazia 7 A-Mobile 
9. 289 68 ge Abkhazia 7 A-Mobile 
10. 289 67 ge Abkhazia 7 Aquafon 
11. 412 88 af Afghanistan 93 Afghan Telecom Corp. (AT) 
12. 412 80 af Afghanistan 93 Afghan Telecom Corp. (AT) 
13. 412 01 af Afghanistan 93 Afghan Wireless/AWCC 
14. 412 40 af Afghanistan 93 Areeba/MTN 
15. 412 30 af Afghanistan 93 Etisalat 
16. 412 50 af Afghanistan 93 Etisalat 
17.  
18. $ tail list_mno.tsv 
19. 421 04 ye Yemen 967 HITS/Y Unitel 
20. 421 02 ye Yemen 967 MTN/Spacetel 
21. 421 01 ye Yemen 967 Sabaphone 
22. 421 03 ye Yemen 967 Yemen Mob. CDMA 
23. 645 03 zm Zambia 260 Zamtel/Cell Z/MTS 
24. 645 02 zm Zambia 260 MTN/Telecel 
25. 645 01 zm Zambia 260 Airtel/Zain/Celtel 
26. 648 04 zw Zimbabwe 263 Econet 
27. 648 01 zw Zimbabwe 263 Net One 
28. 648 03 zw Zimbabwe 263 Telecel 

1025 MNOs

1. $ cut -f6 list_mno.tsv | sort | uniq | wc -l 
2. 1029 
3.  
4. #the Awk part trims extra space (saw the problem with the Vodafones 
5. $ cut -f6 list_mno.tsv | sort | awk '{$1=$1};1' | uniq | wc -l 
6. 1025 
7.  
8. #20 random MNO names 
9. $ cut -f6 list_mno.tsv | sort | uniq | shuf | head -20 
10. Telenor/Mobtel 
11. Barakhamba Sales & Serv. 
12. ICE 
13. Tismi 
14. LG Telecom 
15. H3G 
16. Orange 
17. Glo Mobile 
18. Cambridge Telephone Company Inc. 
19. Play/P4 
20. CTS Mobile 
21. Movilnet C.A. 
22. Datastream (DTSCom) 
23. Nokia Oyj 
24. Spring Mobil AB 
25. Vodafone/Mirsfone 
26. Tele2 Sverige AB 
27. International Telecom Co. Ltd (FITEL) 
28. Vodacom Ltd 

226 MCC codes and 225 countries

1. $ cut -f1 list_mno.tsv | sort | uniq | wc -l 
2. 226 
3. $ cut -f4 list_mno.tsv | sort | uniq | wc -l 
4. 225 

1686 Carrier + code combinations

1. $ cut -f1,2 list_mno.tsv | sort | uniq | wc -l 
2. 1686 

MVNOs are a different discussion because there are many different kinds of MVNO, including many that are simply sub-brands of regular MNOs.