ResearchRouting table, looking glass, RPKI & IRR

27.72.40.0/21

Nobody announces 27.72.40.0/21 on its own; it is covered by 27.72.32.0/20 AS7552 VIETEL-AS-AP. Seen by 0 of our 5 looking glass sessions.

Summary

What the table says about 27.72.40.0/21

Prefix
27.72.40.0/21
Origin
not announced
Size
2,048 addresses
Less specific
27.72.32.0/20 AS7552 VIETEL-AS-AP
More specifics
2
IRR route objects
1 exact, 18 covering
RPKI

Route origin authorizations

Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
27.64.0.0/12/24AS7552 VIETEL-AS-APAPNIC
27.64.0.0/12/24AS24086 VIETTEL-AS-VNAPNIC
27.64.0.0/12/24AS38731 VTDC-AS-VNAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
27.72.40.0/21AS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.32.0/20 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.72.32.0/20 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.32.0/19 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.0.0/18 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.72.0.0/18 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.0.0/17 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.0.0/16 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.72.0.0/16 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.0.0/15 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.0.0/14 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.72.0.0/14 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.72.0.0/13 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.72.0.0/13 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.64.0.0/12 coveringAS7552 VIETEL-AS-APAPNICVIETTEL-VNMAINT-VN-VNNIC
27.64.0.0/12 coveringAS24086 VIETTEL-AS-VNAPNICVIETTEL-VNMAINT-VN-VNNIC
27.64.0.0/12 coveringAS38731 VTDC-AS-VNAPNICVIETTEL-VNMAINT-VN-VNNIC
27.64.0.0/12 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.64.0.0/12 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

27.72.32.0/20 AS7552 VIETEL-AS-AP27.72.32.0/19 AS7552 VIETEL-AS-AP27.72.0.0/14 AS7552 VIETEL-AS-AP27.72.0.0/13 AS7552 VIETEL-AS-AP27.64.0.0/12 AS7552 VIETEL-AS-AP
More specific

Prefixes inside 27.72.40.0/21

2 announced prefixes fall inside this one.

Show the 2 prefixes
27.72.40.0/24 AS7552 VIETEL-AS-AP27.72.41.0/24 AS7552 VIETEL-AS-AP
Tools

Check 27.72.40.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API