ResearchRouting table, looking glass, RPKI & IRR

66.253.0.0/17 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 66.253.0.0/17

Prefix
66.253.0.0/17
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
91
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 66.253.0.0/17 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 4h 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
Updated10h 40m 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 4h 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
66.253.0.0/17AS3257 GTT-BACKBONERADBGTTMAINT-AS3257
More specific

Prefixes inside 66.253.0.0/17

91 announced prefixes fall inside this one.

Show the 91 prefixes
66.253.0.0/24 AS3257 GTT-BACKBONE66.253.1.0/24 AS3257 GTT-BACKBONE66.253.2.0/24 AS3257 GTT-BACKBONE66.253.3.0/24 AS39600 BUNNY-TECHNOLOGY-LLC66.253.4.0/24 AS3257 GTT-BACKBONE66.253.5.0/24 AS3257 GTT-BACKBONE66.253.6.0/24 AS151373 JP3DP-NET66.253.7.0/24 AS3257 GTT-BACKBONE66.253.8.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.9.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.10.0/24 AS62610 ZEN-DPS66.253.11.0/24 AS62610 ZEN-DPS66.253.12.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.13.0/24 AS62610 ZEN-DPS66.253.14.0/24 AS62610 ZEN-DPS66.253.15.0/24 AS151373 JP3DP-NET66.253.16.0/24 AS151373 JP3DP-NET66.253.17.0/24 AS21859 ZEN-ECN66.253.18.0/24 AS21859 ZEN-ECN66.253.19.0/24 AS21859 ZEN-ECN66.253.20.0/24 AS21859 ZEN-ECN66.253.21.0/24 AS21859 ZEN-ECN66.253.22.0/24 AS21859 ZEN-ECN66.253.23.0/24 AS21859 ZEN-ECN66.253.24.0/24 AS11696 NBS1169666.253.25.0/24 AS21859 ZEN-ECN66.253.26.0/24 AS21859 ZEN-ECN66.253.27.0/24 AS21859 ZEN-ECN66.253.28.0/24 AS21859 ZEN-ECN66.253.29.0/24 AS21859 ZEN-ECN66.253.30.0/24 AS21859 ZEN-ECN66.253.31.0/24 AS21859 ZEN-ECN66.253.32.0/24 AS151373 JP3DP-NET66.253.33.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.34.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.35.0/24 AS151373 JP3DP-NET66.253.36.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.38.0/24 AS62610 ZEN-DPS66.253.39.0/24 AS3257 GTT-BACKBONE66.253.40.0/24 AS39600 BUNNY-TECHNOLOGY-LLC66.253.41.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL66.253.42.0/24 AS48529 quantumbeam66.253.43.0/24 AS48529 quantumbeam66.253.44.0/24 AS3885466.253.45.0/24 AS62610 ZEN-DPS66.253.46.0/24 AS48529 quantumbeam66.253.47.0/24 AS62610 ZEN-DPS66.253.48.0/22 AS36916 X-DSL Networking Solutions66.253.52.0/22 AS11611 ARCTICFOX66.253.56.0/22 AS7459 GRANDECOM-AS166.253.60.0/22 AS36916 X-DSL Networking Solutions66.253.64.0/22 AS5650 FRONTIER-FRTR66.253.68.0/24 AS174 COGENT-17466.253.69.0/24 AS174 COGENT-17466.253.70.0/24 AS401322 LUCK-NETO-0166.253.71.0/24 AS274983 AS27498366.253.72.0/24 AS7922 COMCAST-792266.253.73.0/24 AS26042 FIBERSTATE66.253.74.0/24 AS270187 AS27018766.253.75.0/24 AS270187 AS27018766.253.76.0/24 AS7922 COMCAST-792266.253.77.0/24 AS7922 COMCAST-792266.253.78.0/24 AS7922 COMCAST-792266.253.79.0/24 AS174 COGENT-17466.253.80.0/22 AS393427 WIREDTECH66.253.84.0/24 AS401322 LUCK-NETO-0166.253.85.0/24 AS26042 FIBERSTATE66.253.86.0/24 AS401322 LUCK-NETO-0166.253.87.0/24 AS174 COGENT-17466.253.88.0/22 AS393427 WIREDTECH66.253.92.0/24 AS401839 PYRO66.253.93.0/24 AS212238 CDNEXT66.253.94.0/24 AS36139 INTRIGUECOMM66.253.95.0/24 AS402072 OZONTI-NETWORK-LLC66.253.98.0/24 AS6079 RCN-AS66.253.100.0/24 AS397423 TIER-NET66.253.103.0/24 AS7029 WINDSTREAM66.253.105.0/24 AS6079 RCN-AS66.253.106.0/24 AS6079 RCN-AS66.253.107.0/24 AS6079 RCN-AS66.253.110.0/24 AS6079 RCN-AS66.253.112.0/24 AS274564 AS27456466.253.113.0/24 AS152672 AIYUN-AS-AP66.253.114.0/24 AS174 COGENT-17466.253.115.0/24 AS6079 RCN-AS66.253.116.0/22 AS400175 MICROTRONIX-ESOLUTIONS66.253.120.0/24 AS6079 RCN-AS66.253.121.0/24 AS6079 RCN-AS66.253.122.0/24 AS6079 RCN-AS66.253.123.0/24 AS53340 FIBERHUB66.253.124.0/22 AS13737 AS-INCX
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