ResearchRouting table, looking glass, RPKI & IRR

65.166.240.0/21 Columbus Telecommunications (Barbados) Limited

Announced by AS14813 Columbus Telecommunications (Barbados) Limited. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 65.166.240.0/21

Prefix
65.166.240.0/21
Origin
AS14813 BB-COLUMBUS
RPKI
RPKI not found
Size
2,048 addresses
Less specific
65.160.0.0/13 AS174 COGENT-174
More specifics
11
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-13 08:02 UTC
Paths

How 65.166.240.0/21 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 23520 14813
OriginAS14813 Columbus Telecommunications (Barbados) Limited
Origin codeincomplete
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated23h 35m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 1299 23520 14813
OriginAS14813 Columbus Telecommunications (Barbados) Limited
Origin codeIGP
Communities903:900 903:13760
Updated5d 16h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6762 23520 14813
OriginAS14813 Columbus Telecommunications (Barbados) Limited
Origin codeIGP
Communities36295:100
Updated23h 35m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 23520 14813
OriginAS14813 Columbus Telecommunications (Barbados) Limited
Origin codeincomplete
Communities174:21001 174:22013
Updated23h 35m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 23520 14813
OriginAS14813 Columbus Telecommunications (Barbados) Limited
Origin codeincomplete
Communities174:21001 174:22013 36295:100 36295:174
Updated23h 35m 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
65.166.240.0/21AS6175 COGENT-6175RADBProxy-registered route object for Sprint via Lumos Networks.MAINT-AS7795
65.166.240.0/21AS14813 BB-COLUMBUSRADBCOLUMBUS NETWORKS TRANSIT CUSTOMERSMAINT-AS23520
65.160.0.0/13 coveringAS174 COGENT-174ARINSprintLinkMNT-COGC
65.160.0.0/13 coveringAS1239 COGENT-1239ARINSprintLink Global NetworkMNT-COGC
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

65.160.0.0/13 AS174 COGENT-174
More specific

Prefixes inside 65.166.240.0/21

11 announced prefixes fall inside this one.

Show the 11 prefixes
65.166.240.0/23 AS14813 BB-COLUMBUS65.166.240.0/24 AS14813 BB-COLUMBUS65.166.241.0/24 AS14813 BB-COLUMBUS65.166.242.0/23 AS14813 BB-COLUMBUS65.166.242.0/24 AS14813 BB-COLUMBUS65.166.243.0/24 AS14813 BB-COLUMBUS65.166.244.0/23 AS14813 BB-COLUMBUS65.166.244.0/24 AS14813 BB-COLUMBUS65.166.245.0/24 AS14813 BB-COLUMBUS65.166.246.0/23 AS14813 BB-COLUMBUS65.166.246.0/24 AS14813 BB-COLUMBUS
Tools

Check 65.166.240.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API