ResearchRouting table, looking glass, RPKI & IRR

27.71.64.0/21 Viettel Group

Announced by AS7552 Viettel Group. RPKI valid Seen by 3 of our 5 looking glass sessions.

Summary

What the table says about 27.71.64.0/21

Prefix
27.71.64.0/21
Origin
AS7552 VIETEL-AS-AP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
27.71.0.0/16 AS7552 VIETEL-AS-AP
More specifics
0
IRR route objects
1 exact, 18 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 27.71.64.0/21 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 6939 7552
OriginAS7552 Viettel Group
Origin codeIGP
Communities903:100 903:900
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7552
OriginAS7552 Viettel Group
Origin codeIGP
Communities36295:100
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7552
OriginAS7552 Viettel Group
Origin codeIGP
Communitiesnone
Updated5d 5h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS7552 to originate 27.64.0.0/12 up to /24. 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
27.71.64.0/21AS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.71.64.0/20 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.71.64.0/20 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.71.64.0/19 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.71.64.0/18 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.71.64.0/18 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.71.0.0/17 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.71.0.0/16 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.71.0.0/16 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.70.0.0/15 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.68.0.0/14 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.68.0.0/14 coveringAS7552 VIETEL-AS-APRADBProxy-registered route objectMAINT-AS9304
27.64.0.0/13 coveringAS7552 VIETEL-AS-APNTTCOMroute object of AS7552MAINT-VIETTEL
27.64.0.0/13 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.

27.71.0.0/16 AS7552 VIETEL-AS-AP27.68.0.0/14 AS7552 VIETEL-AS-AP27.64.0.0/13 AS7552 VIETEL-AS-AP27.64.0.0/12 AS7552 VIETEL-AS-AP
Tools

Check 27.71.64.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API