ResearchRouting table, looking glass, RPKI & IRR

72.244.0.0/15 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 72.244.0.0/15

Prefix
72.244.0.0/15
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI not found
Size
131,072 addresses
Less specific
none
More specifics
137
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 16:03 UTC
Paths

How 72.244.0.0/15 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 13h 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 21h 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
Updated3h 44m 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 21h 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 15h 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
72.244.0.0/15AS3257 GTT-BACKBONERADBGTTMAINT-AS3257
More specific

Prefixes inside 72.244.0.0/15

137 announced prefixes fall inside this one.

Show the 137 prefixes
72.244.0.0/24 AS6079 RCN-AS72.244.1.0/24 AS395954 LEASEWEB-USA-LAX72.244.2.0/24 AS211440 Internet-572.244.4.0/24 AS400175 MICROTRONIX-ESOLUTIONS72.244.5.0/24 AS3257 GTT-BACKBONE72.244.6.0/24 AS401839 PYRO72.244.7.0/24 AS3257 GTT-BACKBONE72.244.8.0/23 AS3257 GTT-BACKBONE72.244.10.0/24 AS40676 AS4067672.244.11.0/24 AS3257 GTT-BACKBONE72.244.12.0/22 AS5650 FRONTIER-FRTR72.244.16.0/22 AS3257 GTT-BACKBONE72.244.20.0/22 AS5650 FRONTIER-FRTR72.244.24.0/22 AS5650 FRONTIER-FRTR72.244.28.0/22 AS3257 GTT-BACKBONE72.244.32.0/22 AS153383 NAZIMHOST-AS-AP72.244.36.0/24 AS3257 GTT-BACKBONE72.244.37.0/24 AS49791 AS-3HCLOUD72.244.38.0/24 AS3257 GTT-BACKBONE72.244.39.0/24 AS212238 CDNEXT72.244.40.0/22 AS3257 GTT-BACKBONE72.244.45.0/24 AS3257 GTT-BACKBONE72.244.46.0/23 AS212238 CDNEXT72.244.49.0/24 AS6079 RCN-AS72.244.50.0/24 AS6079 RCN-AS72.244.52.0/24 AS174 COGENT-17472.244.53.0/24 AS6079 RCN-AS72.244.54.0/24 AS14618 AMAZON-AES72.244.55.0/24 AS6079 RCN-AS72.244.56.0/24 AS29802 HVC-AS72.244.57.0/24 AS6079 RCN-AS72.244.58.0/24 AS219105 APFB72.244.59.0/24 AS6079 RCN-AS72.244.60.0/24 AS215607 DF-Transit72.244.61.0/24 AS174 COGENT-17472.244.64.0/24 AS219105 APFB72.244.65.0/24 AS198584 PIO-Hosting72.244.66.0/24 AS218910 ASHORE-LIMITED72.244.67.0/24 AS219105 APFB72.244.70.0/24 AS6079 RCN-AS72.244.71.0/24 AS219075 VSEEK72.244.73.0/24 AS6079 RCN-AS72.244.74.0/24 AS219105 APFB72.244.76.0/24 AS212609 Internet-672.244.78.0/24 AS6079 RCN-AS72.244.79.0/24 AS219105 APFB72.244.80.0/24 AS40676 AS4067672.244.81.0/24 AS272109 AS27210972.244.82.0/23 AS3257 GTT-BACKBONE72.244.86.0/23 AS3257 GTT-BACKBONE72.244.90.0/24 AS3257 GTT-BACKBONE72.244.91.0/24 AS393437 KLAYER72.244.92.0/22 AS5650 FRONTIER-FRTR72.244.96.0/22 AS5650 FRONTIER-FRTR72.244.100.0/22 AS5650 FRONTIER-FRTR72.244.104.0/22 AS5650 FRONTIER-FRTR72.244.108.0/24 AS29802 HVC-AS72.244.109.0/24 AS2914 NTT-DATA-291472.244.111.0/24 AS2914 NTT-DATA-291472.244.112.0/22 AS5650 FRONTIER-FRTR72.244.116.0/24 AS53740 OPTBIT72.244.118.0/24 AS14180 AS-KOGNITIVE72.244.119.0/24 AS3257 GTT-BACKBONE72.244.120.0/22 AS5650 FRONTIER-FRTR72.244.124.0/22 AS39521 TNGNET72.244.128.0/23 AS3257 GTT-BACKBONE72.244.130.0/24 AS270439 AS27043972.244.131.0/24 AS29802 HVC-AS72.244.132.0/22 AS5650 FRONTIER-FRTR72.244.136.0/23 AS3257 GTT-BACKBONE72.244.138.0/24 AS7922 COMCAST-792272.244.139.0/24 AS3257 GTT-BACKBONE72.244.140.0/22 AS4826 VOCUS-BACKBONE-AS72.244.144.0/24 AS7922 COMCAST-792272.244.145.0/24 AS203466 INTROSERV72.244.146.0/24 AS7922 COMCAST-792272.244.147.0/24 AS3257 GTT-BACKBONE72.244.148.0/22 AS4826 VOCUS-BACKBONE-AS72.244.152.0/24 AS7922 COMCAST-792272.244.153.0/24 AS23470 RELIABLESITE72.244.154.0/24 AS20326 TERASWITCH72.244.155.0/24 AS48266 Catixs72.244.156.0/24 AS36295 FLORIDA-HIGH-SPEED-INTERNET72.244.158.0/24 AS53581 IDL-76-5358172.244.160.0/21 AS3257 GTT-BACKBONE72.244.168.0/22 AS149978 SPNHOST-AS-AP72.244.172.0/22 AS5650 FRONTIER-FRTR72.244.176.0/22 AS5650 FRONTIER-FRTR72.244.180.0/22 AS5650 FRONTIER-FRTR72.244.184.0/22 AS40676 AS4067672.244.188.0/22 AS199959 CrownCloud72.244.192.0/21 AS3257 GTT-BACKBONE72.244.200.0/22 AS199959 CrownCloud72.244.204.0/24 AS33182 DIMENOC72.244.205.0/24 AS29802 HVC-AS72.244.206.0/23 AS3257 GTT-BACKBONE72.244.208.0/22 AS3257 GTT-BACKBONE72.244.212.0/24 AS2914 NTT-DATA-291472.244.213.0/24 AS3257 GTT-BACKBONE72.244.214.0/23 AS3257 GTT-BACKBONE72.244.216.0/21 AS3257 GTT-BACKBONE72.244.224.0/22 AS3257 GTT-BACKBONE72.244.228.0/24 AS152672 AIYUN-AS-AP72.244.230.0/24 AS16276 OVH72.244.231.0/24 AS14618 AMAZON-AES72.244.232.0/22 AS20115 CHARTER-2011572.244.237.0/24 AS3257 GTT-BACKBONE72.244.238.0/23 AS3257 GTT-BACKBONE72.244.240.0/24 AS2914 NTT-DATA-291472.244.244.0/24 AS33182 DIMENOC72.244.245.0/24 AS174 COGENT-17472.244.246.0/24 AS2914 NTT-DATA-291472.244.248.0/24 AS2914 NTT-DATA-291472.244.250.0/24 AS5650 FRONTIER-FRTR72.244.251.0/24 AS54252 SP-NYJ72.244.252.0/22 AS212238 CDNEXT72.245.0.0/18 AS11427 TWC-11427-TEXAS72.245.64.0/20 AS6079 RCN-AS72.245.80.0/22 AS7459 GRANDECOM-AS172.245.84.0/24 AS11696 NBS1169672.245.85.0/24 AS11696 NBS1169672.245.86.0/24 AS11696 NBS1169672.245.87.0/24 AS11696 NBS1169672.245.88.0/21 AS11427 TWC-11427-TEXAS72.245.96.0/19 AS11427 TWC-11427-TEXAS72.245.128.0/21 AS2914 NTT-DATA-291472.245.136.0/21 AS2914 NTT-DATA-291472.245.141.0/24 AS401783 TOKALA-COMMUNICATIONS72.245.144.0/21 AS2914 NTT-DATA-291472.245.152.0/21 AS2914 NTT-DATA-291472.245.160.0/21 AS11427 TWC-11427-TEXAS72.245.176.0/21 AS11427 TWC-11427-TEXAS72.245.184.0/24 AS11696 NBS1169672.245.186.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL72.245.187.0/24 AS5065 BUNNY-COMMUNICATIONS-GLOBAL72.245.192.0/21 AS3257 GTT-BACKBONE72.245.200.0/21 AS3257 GTT-BACKBONE
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