ResearchRouting table, looking glass, RPKI & IRR

72.249.192.0/20 GTT Communications Inc.

Announced by AS3257 GTT Communications Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 72.249.192.0/20

Prefix
72.249.192.0/20
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
4,096 addresses
Less specific
none
More specifics
10
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 72.249.192.0/20 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 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities903:900 903:13760
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated11h 16m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities174:21000 174:22013
Updated6d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 22h 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
72.249.192.0/20AS3257 GTT-BACKBONERADBGTTMAINT-AS3257
More specific

Prefixes inside 72.249.192.0/20

10 announced prefixes fall inside this one.

Show the 10 prefixes
72.249.196.0/24 AS54092 DRW-HOLDINGS72.249.200.0/21 AS3257 GTT-BACKBONE72.249.200.0/24 AS979 NETLAB-SDN72.249.201.0/24 AS979 NETLAB-SDN72.249.202.0/24 AS979 NETLAB-SDN72.249.203.0/24 AS979 NETLAB-SDN72.249.204.0/24 AS979 NETLAB-SDN72.249.205.0/24 AS979 NETLAB-SDN72.249.206.0/24 AS979 NETLAB-SDN72.249.207.0/24 AS979 NETLAB-SDN
Tools

Check 72.249.192.0/20 live

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