ResearchRouting table, looking glass, RPKI & IRR

161.38.232.0/21 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION

Announced by AS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 161.38.232.0/21

Prefix
161.38.232.0/21
Origin
AS16433 NCTC-ISP
RPKI
RPKI valid
Size
2,048 addresses
Less specific
161.38.224.0/20 AS16433 NCTC-ISP
More specifics
8
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 161.38.232.0/21 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 13760 11979 16433
OriginAS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Origin codeIGP
Communities13760:3000 36601:150 36601:2001 36601:13760
Updated4d 17h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 11979 16433
OriginAS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Origin codeIGP
Communities903:900 903:13760
Updated5d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11979 16433
OriginAS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Origin codeIGP
Communities36295:100
Updated5d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11979 16433
OriginAS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Origin codeIGP
Communitiesnone
Updated5d 1h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 11979 16433
OriginAS16433 NORTH CENTRAL TELEPHONE COOPERATIVE CORPORATION
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated8d 18h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS16433 to originate 161.38.224.0/20 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
161.38.224.0/20/24AS16433 NCTC-ISPARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
161.38.224.0/20 coveringAS33039 UNIFYMEDIALEVEL3EDMC /20 routeEDMC-MNT
161.38.224.0/20 coveringAS16433 NCTC-ISPRADBAdvertise by Proxy for North Central TelephoneMAINT-AS11758
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

161.38.224.0/20 AS16433 NCTC-ISP
More specific

Prefixes inside 161.38.232.0/21

8 announced prefixes fall inside this one.

Show the 8 prefixes
161.38.232.0/24 AS16433 NCTC-ISP161.38.233.0/24 AS16433 NCTC-ISP161.38.234.0/24 AS16433 NCTC-ISP161.38.235.0/24 AS16433 NCTC-ISP161.38.236.0/24 AS16433 NCTC-ISP161.38.237.0/24 AS16433 NCTC-ISP161.38.238.0/24 AS16433 NCTC-ISP161.38.239.0/24 AS16433 NCTC-ISP
Tools

Check 161.38.232.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API