64.81.0.0/16 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 64.81.0.0/16
Prefix
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
61
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 64.81.0.0/16 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
| Origin | AS3257 GTT Communications Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3257
| Origin | AS3257 GTT Communications Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 3257
| Origin | AS3257 GTT Communications Inc. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 2h 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.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 64.81.0.0/16 | AS3257 GTT-BACKBONE | RADB | GTT | MAINT-AS3257 |
More specific
Prefixes inside 64.81.0.0/16
61 announced prefixes fall inside this one.
Show the 61 prefixes
64.81.16.0/22 AS3257 GTT-BACKBONE64.81.20.0/24 AS3257 GTT-BACKBONE64.81.24.0/21 AS3257 GTT-BACKBONE64.81.26.0/23 AS979 NETLAB-SDN64.81.30.0/24 AS979 NETLAB-SDN64.81.32.0/21 AS3257 GTT-BACKBONE64.81.40.0/22 AS3257 GTT-BACKBONE64.81.44.0/24 AS12259 EBOCOM64.81.45.0/24 AS11696 NBS1169664.81.46.0/23 AS3257 GTT-BACKBONE64.81.64.0/21 AS3257 GTT-BACKBONE64.81.72.0/22 AS50118 CARITELE-AS64.81.76.0/23 AS3257 GTT-BACKBONE64.81.78.0/24 AS3257 GTT-BACKBONE64.81.79.0/24 AS11696 NBS1169664.81.112.0/21 AS3257 GTT-BACKBONE64.81.112.0/22 AS979 NETLAB-SDN64.81.112.0/24 AS979 NETLAB-SDN64.81.113.0/24 AS979 NETLAB-SDN64.81.114.0/24 AS979 NETLAB-SDN64.81.115.0/24 AS979 NETLAB-SDN64.81.116.0/23 AS979 NETLAB-SDN64.81.120.0/22 AS3257 GTT-BACKBONE64.81.124.0/23 AS3257 GTT-BACKBONE64.81.126.0/24 AS3257 GTT-BACKBONE64.81.127.0/24 AS11696 NBS1169664.81.128.0/20 AS3257 GTT-BACKBONE64.81.144.0/21 AS3257 GTT-BACKBONE64.81.152.0/22 AS3257 GTT-BACKBONE64.81.156.0/23 AS3257 GTT-BACKBONE64.81.158.0/24 AS3257 GTT-BACKBONE64.81.159.0/24 AS11696 NBS1169664.81.160.0/24 AS398184 HIGHSCORE-ASN-164.81.161.0/24 AS3257 GTT-BACKBONE64.81.162.0/24 AS197537 WISDOM-CLOUD64.81.163.0/24 AS3257 GTT-BACKBONE64.81.164.0/24 AS27176 DATAWAGON64.81.165.0/24 AS3257 GTT-BACKBONE64.81.166.0/23 AS3257 GTT-BACKBONE64.81.168.0/24 AS13537 MEGACOLO64.81.169.0/24 AS3257 GTT-BACKBONE64.81.170.0/24 AS6079 RCN-AS64.81.171.0/24 AS402394 VUEDGE64.81.172.0/23 AS4766 KIXS-AS-KR-KR64.81.174.0/24 AS273034 AS27303464.81.175.0/24 AS273034 AS27303464.81.176.0/24 AS6079 RCN-AS64.81.177.0/24 AS5650 FRONTIER-FRTR64.81.179.0/24 AS46370 GRANDWEB64.81.180.0/24 AS402394 VUEDGE64.81.181.0/24 AS14927 TERATEAMS-INC64.81.182.0/24 AS2914 NTT-DATA-291464.81.183.0/24 AS26666 INTERSERVER-LAX64.81.184.0/24 AS152726 DREAMENGINEERING-AS-AP64.81.185.0/24 AS6079 RCN-AS64.81.186.0/24 AS3257 GTT-BACKBONE64.81.187.0/24 AS135402 US-FXCAPITAL64.81.188.0/24 AS21859 ZEN-ECN64.81.189.0/24 AS395092 SHOCK-164.81.191.0/24 AS6079 RCN-AS64.81.192.0/18 AS6079 RCN-AS