ResearchRouting table, looking glass, RPKI & IRR

221.133.4.0/23

Nobody announces 221.133.4.0/23 on its own; it is covered by 221.133.4.0/22 AS7602 SPT-AS-VN. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 221.133.4.0/23

Prefix
221.133.4.0/23
Origin
not announced
Size
512 addresses
Less specific
221.133.4.0/22 AS7602 SPT-AS-VN
More specifics
0
IRR route objects
2 exact, 11 covering
RPKI

Route origin authorizations

Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
221.133.0.0/19/24AS7602 SPT-AS-VNAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
221.133.4.0/23AS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.4.0/23AS7602 SPT-AS-VNNTTCOMProxy-registered route objectMAINT-AS9304
221.133.4.0/22 coveringAS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.4.0/22 coveringAS7602 SPT-AS-VNNTTCOMSPT-AS-VNMAINT-VN-VNNIC
221.133.4.0/22 coveringAS7602 SPT-AS-VNREACHREACH (Customer Route)MAINT-REACH-NOC
221.133.0.0/21 coveringAS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.0.0/21 coveringAS7602 SPT-AS-VNNTTCOMProxy-registered route objectMAINT-AS9304
221.133.0.0/20 coveringAS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.0.0/20 coveringAS7602 SPT-AS-VNNTTCOMProxy-registered route objectMAINT-AS9304
221.133.0.0/19 coveringAS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.0.0/19 coveringAS7602 SPT-AS-VNNTTCOMSPT-AS-VNMAINT-VN-VNNIC
221.133.0.0/19 coveringAS7602 SPT-AS-VNRADBSaigon Postel CorporationMAINT-AS4766
221.133.0.0/19 coveringAS7602 SPT-AS-VNREACHREACH (Customer Route)MAINT-REACH-NOC
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

221.133.4.0/22 AS7602 SPT-AS-VN221.133.0.0/20 AS7602 SPT-AS-VN
Tools

Check 221.133.4.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API