ResearchRouting table, looking glass, RPKI & IRR

204.217.0.0/16 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 204.217.0.0/16

Prefix
204.217.0.0/16
Origin
AS174 COGENT-174
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
95
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-13 16:03 UTC
Paths

How 204.217.0.0/16 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
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 13h 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
Updated5d 21h 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
Updated3h 38m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21001 174:22013
Updated5d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated9d 14h 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
204.217.0.0/16AS174 COGENT-174RADBCogentMAINT-AS174
More specific

Prefixes inside 204.217.0.0/16

95 announced prefixes fall inside this one.

Show the 95 prefixes
204.217.128.0/22 AS11572 SS-ATL204.217.132.0/24 AS35758 HQSERV_NETWORKS204.217.133.0/24 AS136988 LEASEWEB-AS-AP204.217.134.0/24 AS212238 CDNEXT204.217.135.0/24 AS11426 TWC-11426-CAROLINAS204.217.136.0/24 AS9009 M247204.217.137.0/24 AS9009 M247204.217.139.0/24 AS9009 M247204.217.140.0/24 AS19437 SS-ASH204.217.141.0/24 AS46261 QUICKPACKET204.217.142.0/24 AS9009 M247204.217.143.0/24 AS9009 M247204.217.144.0/24 AS9009 M247204.217.145.0/24 AS9009 M247204.217.146.0/24 AS9009 M247204.217.147.0/24 AS9009 M247204.217.148.0/23 AS9009 M247204.217.150.0/23 AS9009 M247204.217.152.0/24 AS9009 M247204.217.153.0/24 AS9009 M247204.217.154.0/23 AS133752 LEASEWEB-APAC-HKG-10204.217.156.0/24 AS35758 HQSERV_NETWORKS204.217.157.0/24 AS35758 HQSERV_NETWORKS204.217.158.0/24 AS397373 H4Y-TECHNOLOGIES204.217.159.0/24 AS28753 LEASEWEB-DE-FRA-10204.217.160.0/23 AS28753 LEASEWEB-DE-FRA-10204.217.162.0/24 AS9009 M247204.217.163.0/24 AS20853 ETOP-AS204.217.164.0/22 AS174 COGENT-174204.217.168.0/21 AS262287 AS262287204.217.176.0/24 AS174 COGENT-174204.217.177.0/24 AS212238 CDNEXT204.217.178.0/24 AS9009 M247204.217.179.0/24 AS262287 AS262287204.217.180.0/23 AS174 COGENT-174204.217.182.0/23 AS46261 QUICKPACKET204.217.182.0/24 AS5650 FRONTIER-FRTR204.217.184.0/22 AS46261 QUICKPACKET204.217.188.0/23 AS46261 QUICKPACKET204.217.190.0/24 AS19437 SS-ASH204.217.191.0/24 AS46261 QUICKPACKET204.217.192.0/24 AS9009 M247204.217.193.0/24 AS212238 CDNEXT204.217.194.0/24 AS5650 FRONTIER-FRTR204.217.195.0/24 AS5650 FRONTIER-FRTR204.217.198.0/24 AS5650 FRONTIER-FRTR204.217.199.0/24 AS5650 FRONTIER-FRTR204.217.202.0/23 AS11325 AS11325204.217.204.0/23 AS11325 AS11325204.217.206.0/24 AS46261 QUICKPACKET204.217.207.0/24 AS212238 CDNEXT204.217.208.0/24 AS9009 M247204.217.209.0/24 AS212238 CDNEXT204.217.210.0/24 AS134351 LEASEWEB-AS-AP204.217.211.0/24 AS9009 M247204.217.212.0/24 AS9009 M247204.217.213.0/24 AS174 COGENT-174204.217.214.0/23 AS174 COGENT-174204.217.214.0/24 AS9009 M247204.217.215.0/24 AS9009 M247204.217.216.0/24 AS9009 M247204.217.217.0/24 AS9009 M247204.217.218.0/24 AS396356 LATITUDE-SH204.217.219.0/24 AS5650 FRONTIER-FRTR204.217.220.0/24 AS212238 CDNEXT204.217.222.0/24 AS5650 FRONTIER-FRTR204.217.224.0/23 AS9009 M247204.217.226.0/24 AS5511 Opentransit204.217.227.0/24 AS5511 Opentransit204.217.228.0/22 AS46261 QUICKPACKET204.217.228.0/24 AS9009 M247204.217.229.0/24 AS9009 M247204.217.230.0/24 AS9009 M247204.217.231.0/24 AS9009 M247204.217.232.0/24 AS9009 M247204.217.233.0/24 AS20454 SSASN2204.217.234.0/24 AS5511 Opentransit204.217.235.0/24 AS5511 Opentransit204.217.236.0/24 AS5511 Opentransit204.217.237.0/24 AS5511 Opentransit204.217.238.0/24 AS5650 FRONTIER-FRTR204.217.239.0/24 AS5650 FRONTIER-FRTR204.217.240.0/22 AS9009 M247204.217.241.0/24 AS9009 M247204.217.242.0/24 AS9009 M247204.217.243.0/24 AS9009 M247204.217.244.0/24 AS9009 M247204.217.245.0/24 AS46261 QUICKPACKET204.217.247.0/24 AS9009 M247204.217.248.0/24 AS5650 FRONTIER-FRTR204.217.249.0/24 AS5650 FRONTIER-FRTR204.217.250.0/24 AS5650 FRONTIER-FRTR204.217.252.0/22 AS9009 M247204.217.252.0/23 AS9009 M247204.217.254.0/23 AS9009 M247
Tools

Check 204.217.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API