ResearchRouting table, looking glass, RPKI & IRR

172.56.48.0/21

Nobody announces 172.56.48.0/21 on its own; it is covered by 172.56.0.0/16 AS21928 T-MOBILE-AS21928. Seen by 0 of our 5 looking glass sessions.

What the table says about 172.56.48.0/21

Origin
not announced
Size
2,048 addresses
More specifics
2
IRR route objects
2 exact, 3 covering

Route origin authorizations

Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
172.56.0.0/16/23AS21928 T-MOBILE-AS21928ARIN
172.32.0.0/11/24AS21928 T-MOBILE-AS21928ARIN

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
172.56.48.0/21AS21928 T-MOBILE-AS21928ARINUSAMNT-TMOBI
172.56.48.0/21AS21928 T-MOBILE-AS21928RADBxMAINT-AS21928
172.56.0.0/16 coveringAS21928 T-MOBILE-AS21928ARINUSAMNT-TMOBI
172.56.0.0/16 coveringAS21928 T-MOBILE-AS21928RADBT-Mobile USA IP BackboneMAINT-AS21928
172.32.0.0/11 coveringAS21928 T-MOBILE-AS21928ARINUSAMNT-TMOBI

Covering prefixes

Announced prefixes that contain this one, most specific first.

Prefixes inside 172.56.48.0/21

2 announced prefixes fall inside this one.

Show the 2 prefixes

Check 172.56.48.0/21 live