ResearchRouting table, looking glass, RPKI & IRR

221.133.16.0/22 Sai gon Postel Corporation

Announced by AS7602 Sai gon Postel Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 221.133.16.0/22

Prefix
221.133.16.0/22
Origin
AS7602 SPT-AS-VN
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 7 covering
In RouteViews
2026-10-17 00:01 UTC
Paths

How 221.133.16.0/22 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.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 9304 45903 7602
OriginAS7602 Sai gon Postel Corporation
Origin codeIGP
Communities174:21201 174:22039 36601:150 36601:174 36601:2001
Updated7d 16h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 45903 7602
OriginAS7602 Sai gon Postel Corporation
Origin codeIGP
Communities903:900 903:13760
Updated9d 6h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3491 45903 7602
OriginAS7602 Sai gon Postel Corporation
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated2d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 9304 45903 7602
OriginAS7602 Sai gon Postel Corporation
Origin codeIGP
Communities174:21201 174:22039
Updated7d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9304 45903 7602
OriginAS7602 Sai gon Postel Corporation
Origin codeIGP
Communities174:21201 174:22039 36295:100 36295:174
Updated7d 16h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS7602 to originate 221.133.0.0/19 up to /24. 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
221.133.16.0/22AS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.16.0/22AS7602 SPT-AS-VNNTTCOMSPT-AS-VNMAINT-VN-VNNIC
221.133.16.0/22AS7602 SPT-AS-VNREACHREACH (Customer Route)MAINT-REACH-NOC
221.133.16.0/21 coveringAS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
221.133.16.0/21 coveringAS7602 SPT-AS-VNNTTCOMProxy-registered route objectMAINT-AS9304
221.133.16.0/20 coveringAS7602 SPT-AS-VNAPNICSPT-VNMAINT-VN-SPT
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
Tools

Check 221.133.16.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API