MICROTELL (MELL).
AS264278 (MICROTELL (MELL).) announces at least four prefixes:
138.121.48.0/22
IPv4 address block not managed by the RIPE NCC
1970-01-01
NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK
138.121.0.0-138.123.255.255
138.121.48.0/23
138.121.50.0/23
2804:2564::/32
0