ResearchRouting table, looking glass, RPKI & IRR

209.146.0.0/17 Cogent Communications, LLC

Announced by AS174 Cogent Communications, LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 209.146.0.0/17

Prefix
209.146.0.0/17
Origin
AS174 COGENT-174
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
46
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 04:02 UTC
Paths

How 209.146.0.0/17 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
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21201 174:22032 36601:150 36601:174 36601:2001
Updated6d 3h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities903:900 903:13760
Updated6d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated17h 57m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21201 174:22032
Updated6d 11h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21201 174:22032 36295:100 36295:174
Updated10d 5h 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
209.146.0.0/17AS174 COGENT-174RADBCogentMAINT-AS174
More specific

Prefixes inside 209.146.0.0/17

46 announced prefixes fall inside this one.

Show the 46 prefixes
209.146.2.0/24 AS133847 ICT-AS-AP209.146.4.0/24 AS140570 HKBCS-AS-AP209.146.5.0/24 AS46754 FORTEX-DATACENTER-NJ209.146.6.0/24 AS138994 CIBL1-HK209.146.7.0/24 AS151206 HKCLOUDDATA-AS-AP209.146.8.0/24 AS133847 ICT-AS-AP209.146.12.0/23 AS133527 HTIL-AS-AP209.146.14.0/24 AS138994 CIBL1-HK209.146.15.0/24 AS140570 HKBCS-AS-AP209.146.20.0/24 AS135607 INFINIVAN-AS-AP209.146.23.0/24 AS135607 INFINIVAN-AS-AP209.146.31.0/24 AS135607 INFINIVAN-AS-AP209.146.35.0/24 AS202436 MaCloud209.146.36.0/24 AS174 COGENT-174209.146.42.0/24 AS174 COGENT-174209.146.43.0/24 AS132337 ANSPL-AS-AP209.146.44.0/22 AS4800 LINTASARTA-AS-AP209.146.44.0/24 AS4800 LINTASARTA-AS-AP209.146.50.0/24 AS54415 WIZ-JP-AS-AP209.146.57.0/24 AS132337 ANSPL-AS-AP209.146.58.0/23 AS138433 GLOBALSIGN-AS-AP209.146.60.0/24 AS38235 MEKONGNET-ADC-AS-AP209.146.61.0/24 AS38235 MEKONGNET-ADC-AS-AP209.146.62.0/24 AS38235 MEKONGNET-ADC-AS-AP209.146.63.0/24 AS38235 MEKONGNET-ADC-AS-AP209.146.96.0/22 AS133527 HTIL-AS-AP209.146.100.0/22 AS174 COGENT-174209.146.104.0/24 AS38008 APERTURE-AS-AP209.146.105.0/24 AS38008 APERTURE-AS-AP209.146.106.0/24 AS137406 ACI-AS-AP209.146.107.0/24 AS141083 IDNIC-FILLTECH-AS-ID209.146.108.0/24 AS147060 HCSLIMITED-AS-AP209.146.109.0/24 AS147060 HCSLIMITED-AS-AP209.146.110.0/24 AS147060 HCSLIMITED-AS-AP209.146.111.0/24 AS147060 HCSLIMITED-AS-AP209.146.112.0/24 AS967 VMISS-CA209.146.113.0/24 AS967 VMISS-CA209.146.114.0/24 AS967 VMISS-CA209.146.115.0/24 AS967 VMISS-CA209.146.116.0/24 AS46783 EL-US209.146.118.0/24 AS147019 HHLJ-AS-AP209.146.119.0/24 AS147019 HHLJ-AS-AP209.146.120.0/24 AS137962 GREYPANEL-AS137962209.146.121.0/24 AS137962 GREYPANEL-AS137962209.146.122.0/24 AS174 COGENT-174209.146.123.0/24 AS51847 NEAROUTE
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