ResearchRouting table, looking glass, RPKI & IRR

64.139.0.0/18 GTT Communications Inc.

Announced by AS3257 GTT Communications Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 64.139.0.0/18

Prefix
64.139.0.0/18
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
41
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 64.139.0.0/18 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 16h 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 1h 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
Updated7h 9m 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 1h 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 18h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS3257 to originate 64.139.0.0/18 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
64.139.0.0/18/24AS3257 GTT-BACKBONEARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
64.139.0.0/18AS3257 GTT-BACKBONERADBGTTMAINT-AS3257
More specific

Prefixes inside 64.139.0.0/18

41 announced prefixes fall inside this one.

Show the 41 prefixes
64.139.0.0/22 AS2914 NTT-DATA-291464.139.4.0/22 AS8053 AS805364.139.8.0/24 AS401783 TOKALA-COMMUNICATIONS64.139.9.0/24 AS2914 NTT-DATA-291464.139.11.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL64.139.12.0/24 AS2914 NTT-DATA-291464.139.13.0/24 AS2914 NTT-DATA-291464.139.14.0/24 AS401783 TOKALA-COMMUNICATIONS64.139.15.0/24 AS2914 NTT-DATA-291464.139.16.0/24 AS7459 GRANDECOM-AS164.139.17.0/24 AS7459 GRANDECOM-AS164.139.18.0/24 AS7459 GRANDECOM-AS164.139.19.0/24 AS7459 GRANDECOM-AS164.139.20.0/24 AS7459 GRANDECOM-AS164.139.21.0/24 AS7459 GRANDECOM-AS164.139.22.0/24 AS7459 GRANDECOM-AS164.139.23.0/24 AS7459 GRANDECOM-AS164.139.24.0/24 AS7459 GRANDECOM-AS164.139.25.0/24 AS7459 GRANDECOM-AS164.139.26.0/24 AS7459 GRANDECOM-AS164.139.27.0/24 AS7459 GRANDECOM-AS164.139.28.0/24 AS7459 GRANDECOM-AS164.139.29.0/24 AS7459 GRANDECOM-AS164.139.30.0/24 AS7459 GRANDECOM-AS164.139.31.0/24 AS7459 GRANDECOM-AS164.139.32.0/23 AS3320 DTAG64.139.34.0/23 AS3320 DTAG64.139.36.0/23 AS9304 HUTCHISON-AS-AP64.139.38.0/23 AS9304 HUTCHISON-AS-AP64.139.40.0/23 AS30058 FDCSERVERS64.139.42.0/23 AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE64.139.44.0/23 AS212238 CDNEXT64.139.46.0/23 AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE64.139.48.0/23 AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE64.139.50.0/23 AS30058 FDCSERVERS64.139.52.0/23 AS30058 FDCSERVERS64.139.54.0/23 AS30058 FDCSERVERS64.139.56.0/23 AS212238 CDNEXT64.139.58.0/23 AS30058 FDCSERVERS64.139.60.0/23 AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE64.139.62.0/23 AS1257 SWIPNET
Tools

Check 64.139.0.0/18 live

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