ResearchRouting table, looking glass, RPKI & IRR

203.158.216.0/21 Rajamangala University of Technology Rattanakosin

Announced by AS132482 Rajamangala University of Technology Rattanakosin. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.158.216.0/21

Prefix
203.158.216.0/21
Origin
AS132482 RMUTR-AS-AP
RPKI
RPKI not found
Size
2,048 addresses
Less specific
none
More specifics
11
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 203.158.216.0/21 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.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 4651 4621 132482
OriginAS132482 Rajamangala University of Technology Rattanakosin
Origin codeIGP
Communities174:21201 174:22038 36601:150 36601:174 36601:2001
Updated5d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 6939 4651 4621 132482
OriginAS132482 Rajamangala University of Technology Rattanakosin
Origin codeIGP
Communities903:900 903:13760
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 4651 4621 132482
OriginAS132482 Rajamangala University of Technology Rattanakosin
Origin codeIGP
Communities36295:100
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 4651 4621 132482
OriginAS132482 Rajamangala University of Technology Rattanakosin
Origin codeIGP
Communities174:21201 174:22038
Updated6d 0h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 4651 4621 132482
OriginAS132482 Rajamangala University of Technology Rattanakosin
Origin codeIGP
Communities174:21201 174:22038 36295:100 36295:174
Updated9d 17h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
203.158.216.0/21AS4621 UNINET-AS-APRADBRajamangala University of Technology Rattanakosin networkMAINT-AS4621
203.158.216.0/21AS132482 RMUTR-AS-APRADBRajamangala University of Technology Rattanakosin networkMAINT-AS4621
203.158.192.0/18 coveringAS9903 RIT-AS-APRADBProxy-registered route objectMAINT-AS3491
203.158.128.0/17 coveringAS4621 UNINET-AS-APRADBBtN CustomerMAINT-AS3491
More specific

Prefixes inside 203.158.216.0/21

11 announced prefixes fall inside this one.

Show the 11 prefixes
203.158.216.0/23 AS132482 RMUTR-AS-AP203.158.216.0/24 AS132482 RMUTR-AS-AP203.158.217.0/24 AS132482 RMUTR-AS-AP203.158.218.0/24 AS132482 RMUTR-AS-AP203.158.219.0/24 AS132482 RMUTR-AS-AP203.158.220.0/23 AS132482 RMUTR-AS-AP203.158.220.0/24 AS132482 RMUTR-AS-AP203.158.221.0/24 AS132482 RMUTR-AS-AP203.158.222.0/23 AS132482 RMUTR-AS-AP203.158.222.0/24 AS132482 RMUTR-AS-AP203.158.223.0/24 AS132482 RMUTR-AS-AP
Tools

Check 203.158.216.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API