ResearchRouting table, looking glass, RPKI & IRR

183.91.0.0/23 CMC Telecom Infrastructure Company

Announced by AS45903 CMC Telecom Infrastructure Company. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 183.91.0.0/23

Prefix
183.91.0.0/23
Origin
AS45903 CMCTELECOM-VN
RPKI
RPKI valid
Size
512 addresses
Less specific
183.91.0.0/20 AS45903 CMCTELECOM-VN
More specifics
2
IRR route objects
3 exact, 12 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 183.91.0.0/23 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 13760 3356 3491 45903
OriginAS45903 CMC Telecom Infrastructure Company
Origin codeIGP
Communities3356:3 3356:86 3356:575 3356:666 3356:901 3356:2013 3491:400 3491:415 3491:9001 3491:9080 3491:9081 3491:9084 3491:9087 3491:9089 3491:62210 3491:62220 36601:150 36601:2001 36601:13760 45903:58100 45903:59000
Updated14h 45m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3491 45903
OriginAS45903 CMC Telecom Infrastructure Company
Origin codeIGP
Communities903:900 903:13760
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 15412 9304 45903×4
OriginAS45903 CMC Telecom Infrastructure Company
Origin codeIGP
Communities36295:100
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 9304 45903×4
OriginAS45903 CMC Telecom Infrastructure Company
Origin codeIGP
Communities174:21201 174:22039
Updated3d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9304 45903×4
OriginAS45903 CMC Telecom Infrastructure Company
Origin codeIGP
Communities174:21201 174:22039 36295:100 36295:174
Updated3d 13h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS45903 to originate 183.91.0.0/21 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
183.91.0.0/21/24AS45903 CMCTELECOM-VNAPNIC
183.91.0.0/20/20AS45903 CMCTELECOM-VNAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
183.91.0.0/23AS45903 CMCTELECOM-VNAPNICCMCTELECOM-VNMAINT-VN-VNNIC
183.91.0.0/23AS45903 CMCTELECOM-VNNTTCOMProxy-registered route objectMAINT-AS9304
183.91.0.0/23AS45903 CMCTELECOM-VNRADBProxy-registered route objectMAINT-HGC-INTL
183.91.0.0/22 coveringAS45903 CMCTELECOM-VNAPNICCMCTELECOM-VNMAINT-VN-VNNIC
183.91.0.0/22 coveringAS45903 CMCTELECOM-VNNTTCOMProxy-registered route objectMAINT-AS9304
183.91.0.0/22 coveringAS45903 CMCTELECOM-VNRADBProxy-registered route objectMAINT-HGC-INTL
183.91.0.0/21 coveringAS45903 CMCTELECOM-VNAPNICCMCTELECOM-VNMAINT-VN-VNNIC
183.91.0.0/21 coveringAS45903 CMCTELECOM-VNNTTCOMProxy-registered route objectMAINT-AS9304
183.91.0.0/21 coveringAS45903 CMCTELECOM-VNRADBProxy-registered route objectMAINT-HGC-INTL
183.91.0.0/20 coveringAS45903 CMCTELECOM-VNAPNICCMCTELECOM-VNMAINT-VN-VNNIC
183.91.0.0/20 coveringAS45903 CMCTELECOM-VNNTTCOMProxy-registered route objectMAINT-AS9304
183.91.0.0/20 coveringAS45903 CMCTELECOM-VNRADBProxy-registered route objectMAINT-HGC-INTL
183.91.0.0/19 coveringAS45903 CMCTELECOM-VNAPNICCMCTELECOM-VNMAINT-VN-VNNIC
183.91.0.0/19 coveringAS45903 CMCTELECOM-VNNTTCOMProxy-registered route objectMAINT-AS9304
183.91.0.0/19 coveringAS45903 CMCTELECOM-VNRADBProxy-registered route objectMAINT-HGC-INTL
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

183.91.0.0/20 AS45903 CMCTELECOM-VN
More specific

Prefixes inside 183.91.0.0/23

2 announced prefixes fall inside this one.

Show the 2 prefixes
183.91.0.0/24 AS45903 CMCTELECOM-VN183.91.1.0/24 AS45903 CMCTELECOM-VN
Tools

Check 183.91.0.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API