ResearchRouting table, looking glass, RPKI & IRR

205.164.128.0/17 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 205.164.128.0/17

Prefix
205.164.128.0/17
Origin
AS174 COGENT-174
RPKI
RPKI not found
Size
32,768 addresses
Less specific
none
More specifics
85
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 205.164.128.0/17 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
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated5d 19h 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 3h 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
Updated9h 42m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21001 174:22013
Updated6d 3h 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 21h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

More specific

Prefixes inside 205.164.128.0/17

85 announced prefixes fall inside this one.

Show the 85 prefixes
205.164.128.0/24 AS136384 OPTIX-AS-AP205.164.129.0/24 AS136384 OPTIX-AS-AP205.164.130.0/24 AS136384 OPTIX-AS-AP205.164.131.0/24 AS136384 OPTIX-AS-AP205.164.132.0/24 AS136384 OPTIX-AS-AP205.164.133.0/24 AS136384 OPTIX-AS-AP205.164.134.0/24 AS136384 OPTIX-AS-AP205.164.135.0/24 AS136384 OPTIX-AS-AP205.164.136.0/24 AS136384 OPTIX-AS-AP205.164.137.0/24 AS136384 OPTIX-AS-AP205.164.138.0/24 AS136384 OPTIX-AS-AP205.164.139.0/24 AS136384 OPTIX-AS-AP205.164.140.0/24 AS136384 OPTIX-AS-AP205.164.141.0/24 AS136384 OPTIX-AS-AP205.164.142.0/24 AS136384 OPTIX-AS-AP205.164.143.0/24 AS136384 OPTIX-AS-AP205.164.144.0/24 AS136384 OPTIX-AS-AP205.164.145.0/24 AS136384 OPTIX-AS-AP205.164.146.0/24 AS136384 OPTIX-AS-AP205.164.147.0/24 AS136384 OPTIX-AS-AP205.164.148.0/24 AS136384 OPTIX-AS-AP205.164.149.0/24 AS136384 OPTIX-AS-AP205.164.150.0/24 AS136384 OPTIX-AS-AP205.164.151.0/24 AS136384 OPTIX-AS-AP205.164.152.0/24 AS136384 OPTIX-AS-AP205.164.153.0/24 AS136384 OPTIX-AS-AP205.164.154.0/24 AS136384 OPTIX-AS-AP205.164.155.0/24 AS136384 OPTIX-AS-AP205.164.156.0/24 AS136384 OPTIX-AS-AP205.164.157.0/24 AS136384 OPTIX-AS-AP205.164.158.0/24 AS136384 OPTIX-AS-AP205.164.159.0/24 AS136384 OPTIX-AS-AP205.164.176.0/22 AS264872 AS264872205.164.176.0/23 AS264872 AS264872205.164.178.0/23 AS264872 AS264872205.164.180.0/23 AS399002 NOVA1NET205.164.182.0/23 AS270162 AS270162205.164.182.0/24 AS270162 AS270162205.164.183.0/24 AS270162 AS270162205.164.184.0/21 AS2731 HORIZONTELCOM205.164.192.0/24 AS270207 AS270207205.164.193.0/24 AS270207 AS270207205.164.194.0/24 AS270207 AS270207205.164.195.0/24 AS270207 AS270207205.164.200.0/22 AS46868 VPNET-2205.164.200.0/24 AS46868 VPNET-2205.164.204.0/22 AS11580 ISLAND-NETWORKS-LTD205.164.208.0/22 AS272162 AS272162205.164.208.0/23 AS272162 AS272162205.164.208.0/24 AS272162 AS272162205.164.209.0/24 AS272162 AS272162205.164.210.0/23 AS272162 AS272162205.164.210.0/24 AS272162 AS272162205.164.211.0/24 AS272162 AS272162205.164.212.0/23 AS272216 AS272216205.164.212.0/24 AS272216 AS272216205.164.213.0/24 AS272216 AS272216205.164.214.0/23 AS393559 WEBBING-USA205.164.216.0/24 AS48206 netpro205.164.217.0/24 AS48206 netpro205.164.218.0/24 AS48206 netpro205.164.219.0/24 AS48206 netpro205.164.220.0/24 AS174 COGENT-174205.164.221.0/24 AS174 COGENT-174205.164.224.0/21 AS2731 HORIZONTELCOM205.164.232.0/24 AS262503 AS262503205.164.233.0/24 AS262503 AS262503205.164.234.0/24 AS262503 AS262503205.164.235.0/24 AS262503 AS262503205.164.236.0/24 AS262503 AS262503205.164.237.0/24 AS262503 AS262503205.164.238.0/24 AS262503 AS262503205.164.239.0/24 AS262503 AS262503205.164.240.0/24 AS273238 AS273238205.164.241.0/24 AS271562 AS271562205.164.242.0/24 AS399240 BLUE-RIDGE-INTERNET205.164.243.0/24 AS400699 KITSAPWIFI205.164.244.0/24 AS52419 AS52419205.164.245.0/24 AS52419 AS52419205.164.246.0/24 AS52419 AS52419205.164.247.0/24 AS52419 AS52419205.164.248.0/22 AS267398 AS267398205.164.248.0/23 AS267398 AS267398205.164.250.0/23 AS267398 AS267398205.164.252.0/22 AS265317 AS265317
Tools

Check 205.164.128.0/17 live

Looking glassIP to ASN APIRPKI APIIRR API