ResearchRouting table, looking glass, RPKI & IRR

205.240.0.0/13 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 205.240.0.0/13

Prefix
205.240.0.0/13
Origin
AS174 COGENT-174
RPKI
RPKI not found
Size
524,288 addresses
Less specific
none
More specifics
80
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 205.240.0.0/13 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 16h 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 0h 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
Updated6h 36m 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 0h 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 17h 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
205.240.0.0/13AS174 COGENT-174ARINSprintLinkMNT-COGC
205.240.0.0/13AS1239 COGENT-1239ARINSprintLink Global NetworkMNT-COGC
More specific

Prefixes inside 205.240.0.0/13

80 announced prefixes fall inside this one.

Show the 80 prefixes
205.240.0.0/20 AS3364 CSDCO-AS205.240.34.0/23 AS19901 BRIGHTSPEED205.240.36.0/22 AS209 CENTURYLINK-US-LEGACY-QWEST205.240.42.0/23 AS6222 CENTURYLINK-LEGACY-EMBARQ-CLTN205.240.128.0/20 AS8025 BRIGHTOK-AS205.240.192.0/20 AS6079 RCN-AS205.240.208.0/20 AS6079 RCN-AS205.240.224.0/20 AS6079 RCN-AS205.240.240.0/20 AS6079 RCN-AS205.241.40.0/24 AS23005 SWITCH-LTD205.241.51.0/24 AS174 COGENT-174205.241.64.0/20 AS6079 RCN-AS205.241.80.0/20 AS6079 RCN-AS205.241.96.0/20 AS6079 RCN-AS205.241.112.0/20 AS6079 RCN-AS205.241.128.0/19 AS1299 TWELVE99205.241.160.0/19 AS1299 TWELVE99205.241.192.0/19 AS1299 TWELVE99205.241.224.0/19 AS1299 TWELVE99205.241.240.0/20 AS4637 ASN-TELSTRA-GLOBAL205.242.92.0/23 AS6428 CDM205.242.92.0/24 AS6428 CDM205.242.93.0/24 AS6428 CDM205.242.176.0/24 AS6428 CDM205.242.177.0/24 AS6428 CDM205.242.178.0/24 AS6428 CDM205.242.179.0/24 AS6428 CDM205.242.180.0/24 AS6428 CDM205.242.181.0/24 AS6428 CDM205.242.182.0/24 AS6428 CDM205.242.183.0/24 AS6428 CDM205.242.184.0/21 AS6428 CDM205.242.184.0/24 AS6428 CDM205.242.185.0/24 AS6428 CDM205.242.186.0/24 AS6428 CDM205.242.187.0/24 AS6428 CDM205.242.188.0/24 AS6428 CDM205.242.189.0/24 AS6428 CDM205.242.190.0/24 AS6428 CDM205.242.191.0/24 AS6428 CDM205.242.230.0/23 AS13676 ILAND-AS205.242.230.0/24 AS13676 ILAND-AS205.243.61.0/24 AS174 COGENT-174205.243.64.0/21 AS40508 MID-AMERICA-NAZARENE-UNIVERSITY205.243.71.0/24 AS40508 MID-AMERICA-NAZARENE-UNIVERSITY205.243.72.0/23 AS11924 MONTANA-OPTICOM205.243.112.0/23 AS17301 FASTENAL205.243.114.0/23 AS14828 HBCI-1999TA205.243.116.0/22 AS14828 HBCI-1999TA205.243.120.0/21 AS14828 HBCI-1999TA205.244.110.0/24 AS5778 CENTURYLINK-LEGACY-EMBARQ-RCMT205.244.148.0/22 AS14813 BB-COLUMBUS205.244.148.0/23 AS14813 BB-COLUMBUS205.244.148.0/24 AS14813 BB-COLUMBUS205.244.149.0/24 AS14813 BB-COLUMBUS205.244.150.0/23 AS14813 BB-COLUMBUS205.244.150.0/24 AS14813 BB-COLUMBUS205.244.151.0/24 AS14813 BB-COLUMBUS205.244.194.0/23 AS209 CENTURYLINK-US-LEGACY-QWEST205.245.0.0/18 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK205.245.2.0/24 AS209 CENTURYLINK-US-LEGACY-QWEST205.245.41.0/24 AS209 CENTURYLINK-US-LEGACY-QWEST205.245.44.0/24 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK205.245.84.0/24 AS400807 BMU-GW-01205.245.85.0/24 AS400807 BMU-GW-01205.245.89.0/24 AS18571 WESTERNRESERVEGROUP205.246.18.0/24 AS19643 NETSYN205.246.28.0/24 AS46567 BORDER-STATES-INDUSTRIES205.246.64.0/20 AS6079 RCN-AS205.246.80.0/20 AS6079 RCN-AS205.246.96.0/20 AS6079 RCN-AS205.246.112.0/20 AS6079 RCN-AS205.246.165.0/24 AS174 COGENT-174205.247.0.0/20 AS3257 GTT-BACKBONE205.247.24.0/22 AS11140 BEHRPROCESS205.247.26.0/24 AS11140 BEHRPROCESS205.247.31.0/24 AS15065 SLIC-COM-INTERNET205.247.204.0/24 AS26077 NEXTLINK-TEXAS205.247.247.0/24 AS6222 CENTURYLINK-LEGACY-EMBARQ-CLTN205.247.251.0/24 AS6222 CENTURYLINK-LEGACY-EMBARQ-CLTN
Tools

Check 205.240.0.0/13 live

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