3 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Is this IPv4 address announced by t mobile? Resolves the address to its origin ASN (Team Cymru DNS) and compares with t-mobile's known autonomous systems (AS21928), returning yes/no with the ASN, prefix and network name....
Change watch for is ip t mobile: runs the check, compares it with the result from your previous call for the same ip (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/...
AS21928 (T-Mobile): the autonomous system's name, country and RIR from Team Cymru, plus its announced IPv4/IPv6 prefix counts and a sample of prefixes from RIPEstat. Know what address space T-Mobile announces before allo...