ResearchRouting table, looking glass, RPKI & IRR

64.51.0.0/16 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 64.51.0.0/16

Prefix
64.51.0.0/16
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
18
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 64.51.0.0/16 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
Updated4d 18h 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
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities36295:100
Updated5d 2h 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
Updated5d 2h 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
Updated8d 20h 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
64.51.0.0/16AS3257 GTT-BACKBONERADBGTTMAINT-AS3257
More specific

Prefixes inside 64.51.0.0/16

18 announced prefixes fall inside this one.

Show the 18 prefixes
64.51.4.0/22 AS7459 GRANDECOM-AS164.51.12.0/24 AS199527 BITE-LT-AS64.51.13.0/24 AS199527 BITE-LT-AS64.51.14.0/24 AS199527 BITE-LT-AS64.51.15.0/24 AS199527 BITE-LT-AS64.51.16.0/22 AS7459 GRANDECOM-AS164.51.20.0/22 AS3257 GTT-BACKBONE64.51.24.0/22 AS3257 GTT-BACKBONE64.51.27.0/24 AS63099 MADEALA TELECOM TECHNOLOGY64.51.28.0/22 AS7459 GRANDECOM-AS164.51.36.0/22 AS3257 GTT-BACKBONE64.51.44.0/22 AS3257 GTT-BACKBONE64.51.224.0/24 AS199527 BITE-LT-AS64.51.226.0/24 AS199527 BITE-LT-AS64.51.232.0/23 AS30058 FDCSERVERS64.51.234.0/23 AS212238 CDNEXT64.51.236.0/22 AS11611 ARCTICFOX64.51.240.0/20 AS11611 ARCTICFOX
Tools

Check 64.51.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API