ResearchRouting table, looking glass, RPKI & IRR

74.2.0.0/16 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 74.2.0.0/16

Prefix
74.2.0.0/16
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
50
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 08:02 UTC
Paths

How 74.2.0.0/16 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 5h 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
Updated4d 13h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities36295:100
Updated4d 13h 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
Updated4d 13h 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 6h 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
74.2.0.0/16AS3257 GTT-BACKBONERADBGTTMAINT-AS3257
More specific

Prefixes inside 74.2.0.0/16

50 announced prefixes fall inside this one.

Show the 50 prefixes
74.2.0.0/22 AS3257 GTT-BACKBONE74.2.4.0/24 AS197860 NET-HARUKA74.2.5.0/24 AS212669 Internet-774.2.6.0/24 AS6079 RCN-AS74.2.7.0/24 AS6079 RCN-AS74.2.8.0/21 AS3257 GTT-BACKBONE74.2.20.0/22 AS20115 CHARTER-2011574.2.28.0/22 AS11427 TWC-11427-TEXAS74.2.32.0/22 AS137830 WIREITSERVICES-AS-AP74.2.36.0/22 AS20115 CHARTER-2011574.2.40.0/22 AS137830 WIREITSERVICES-AS-AP74.2.44.0/22 AS3257 GTT-BACKBONE74.2.48.0/22 AS137830 WIREITSERVICES-AS-AP74.2.52.0/24 AS14618 AMAZON-AES74.2.53.0/24 AS14618 AMAZON-AES74.2.54.0/24 AS16509 AMAZON-0274.2.55.0/24 AS14618 AMAZON-AES74.2.56.0/22 AS3257 GTT-BACKBONE74.2.60.0/22 AS137830 WIREITSERVICES-AS-AP74.2.64.0/19 AS11427 TWC-11427-TEXAS74.2.96.0/24 AS393446 ALPHACORE-NETWORK74.2.98.0/23 AS402732 SMITHS74.2.102.0/23 AS174 COGENT-17474.2.112.0/22 AS141738 NOORHOSTCOMBD-AS-AP74.2.116.0/22 AS3257 GTT-BACKBONE74.2.120.0/21 AS20115 CHARTER-2011574.2.128.0/19 AS6079 RCN-AS74.2.160.0/24 AS396073 MAJESTIC-HOSTING-0174.2.161.0/24 AS3257 GTT-BACKBONE74.2.164.0/24 AS3257 GTT-BACKBONE74.2.165.0/24 AS5650 FRONTIER-FRTR74.2.166.0/24 AS3257 GTT-BACKBONE74.2.176.0/22 AS3257 GTT-BACKBONE74.2.180.0/22 AS399989 ULTRAONE-0174.2.184.0/23 AS174 COGENT-17474.2.186.0/24 AS399275 SOLID74.2.187.0/24 AS399275 SOLID74.2.188.0/22 AS3257 GTT-BACKBONE74.2.208.0/22 AS137830 WIREITSERVICES-AS-AP74.2.212.0/22 AS137830 WIREITSERVICES-AS-AP74.2.216.0/24 AS6079 RCN-AS74.2.218.0/23 AS5650 FRONTIER-FRTR74.2.221.0/24 AS174 COGENT-17474.2.223.0/24 AS212238 CDNEXT74.2.224.0/24 AS3257 GTT-BACKBONE74.2.226.0/23 AS3257 GTT-BACKBONE74.2.230.0/23 AS2914 NTT-DATA-291474.2.240.0/22 AS3257 GTT-BACKBONE74.2.244.0/22 AS5650 FRONTIER-FRTR74.2.248.0/21 AS20115 CHARTER-20115
Tools

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