ResearchRouting table, looking glass, RPKI & IRR

83.245.0.0/17 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 83.245.0.0/17

Prefix
83.245.0.0/17
Origin
AS3257 GTT-BACKBONE
RPKI
RPKI valid
Size
32,768 addresses
Less specific
none
More specifics
29
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 83.245.0.0/17 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
Updated4d 20h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities903:900 903:13760
Updated5d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 3257
OriginAS3257 GTT Communications Inc.
Origin codeIGP
Communities36295:100
Updated5d 4h 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 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
Updated8d 22h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS3257 to originate 83.245.0.0/17 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
83.245.0.0/17/24AS3257 GTT-BACKBONERIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
83.245.0.0/17AS3356 LEVEL3LEVEL3Proxy-registered route objectLEVEL3-MNT
83.245.0.0/17AS3257 GTT-BACKBONERIPEGTTAS3257-ROUTE-MNT
More specific

Prefixes inside 83.245.0.0/17

29 announced prefixes fall inside this one.

Show the 29 prefixes
83.245.0.0/23 AS3257 GTT-BACKBONE83.245.3.0/24 AS199707 XINGTONGHUI83.245.5.0/24 AS25198 ZetServers83.245.8.0/24 AS6079 RCN-AS83.245.13.0/24 AS13335 CLOUDFLARENET83.245.16.0/21 AS2856 BT-UK-AS83.245.24.0/22 AS2856 BT-UK-AS83.245.28.0/22 AS203410 COLOBIX83.245.32.0/22 AS3356 LEVEL383.245.36.0/22 AS174 COGENT-17483.245.40.0/24 AS218797 CHEUNGZIT-TRADE-LIMITED83.245.45.0/24 AS24947 digitalvps83.245.56.0/23 AS3257 GTT-BACKBONE83.245.56.0/24 AS3257 GTT-BACKBONE83.245.57.0/24 AS3257 GTT-BACKBONE83.245.58.0/24 AS32042 EVERGATE-NETWORKS83.245.59.0/24 AS62513 GOCODEIT-INC83.245.60.0/24 AS62513 GOCODEIT-INC83.245.61.0/24 AS215541 AS-KRUSESEC83.245.62.0/23 AS3257 GTT-BACKBONE83.245.66.0/24 AS13335 CLOUDFLARENET83.245.67.0/24 AS13335 CLOUDFLARENET83.245.69.0/24 AS3356 LEVEL383.245.70.0/24 AS3356 LEVEL383.245.79.0/24 AS35831 VNETRIX-AS83.245.80.0/20 AS3356 LEVEL383.245.104.0/22 AS174 COGENT-17483.245.108.0/24 AS152698 ZORN-AS-AP83.245.109.0/24 AS3257 GTT-BACKBONE
Tools

Check 83.245.0.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API