ResearchRouting table, looking glass, RPKI & IRR

204.157.0.0/16 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 204.157.0.0/16

Prefix
204.157.0.0/16
Origin
AS174 COGENT-174
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
149
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 12:02 UTC
Paths

How 204.157.0.0/16 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
Updated6d 10h 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 18h 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
Updated1d 0h 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 18h 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
Updated10d 11h 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
204.157.0.0/16AS4991 COGENT-4991-4994LEVEL3AleronALERON-MNT
More specific

Prefixes inside 204.157.0.0/16

149 announced prefixes fall inside this one.

Show the 149 prefixes
204.157.65.0/24 AS267265 AS267265204.157.66.0/23 AS174 COGENT-174204.157.66.0/24 AS174 COGENT-174204.157.67.0/24 AS174 COGENT-174204.157.68.0/24 AS273280 AS273280204.157.69.0/24 AS273280 AS273280204.157.70.0/24 AS270128 AS270128204.157.71.0/24 AS270128 AS270128204.157.72.0/24 AS272930 AS272930204.157.73.0/24 AS272930 AS272930204.157.74.0/24 AS272930 AS272930204.157.75.0/24 AS272930 AS272930204.157.77.0/24 AS11432 AS11432204.157.78.0/24 AS265315 AS265315204.157.79.0/24 AS273506 AS273506204.157.80.0/20 AS27694 AS27694204.157.80.0/22 AS27694 AS27694204.157.84.0/22 AS27694 AS27694204.157.88.0/22 AS27694 AS27694204.157.92.0/22 AS27694 AS27694204.157.98.0/24 AS11404 AS-WAVE-1204.157.99.0/24 AS268952 AS268952204.157.100.0/22 AS273648 AS273648204.157.100.0/23 AS273648 AS273648204.157.104.0/22 AS265622 AS265622204.157.104.0/24 AS265622 AS265622204.157.105.0/24 AS265622 AS265622204.157.106.0/23 AS265622 AS265622204.157.106.0/24 AS265622 AS265622204.157.107.0/24 AS265622 AS265622204.157.108.0/24 AS275714 AS275714204.157.109.0/24 AS275714 AS275714204.157.110.0/24 AS275714 AS275714204.157.111.0/24 AS275714 AS275714204.157.124.0/24 AS267212 AS267212204.157.126.0/24 AS272980 AS272980204.157.127.0/24 AS272980 AS272980204.157.128.0/24 AS268314 AS268314204.157.129.0/24 AS268314 AS268314204.157.130.0/24 AS268314 AS268314204.157.131.0/24 AS268314 AS268314204.157.132.0/23 AS267219 AS267219204.157.134.0/24 AS211084 RFCOM204.157.135.0/24 AS273285 AS273285204.157.136.0/24 AS264209 AS264209204.157.137.0/24 AS264209 AS264209204.157.138.0/24 AS264209 AS264209204.157.139.0/24 AS264209 AS264209204.157.140.0/24 AS264209 AS264209204.157.141.0/24 AS264209 AS264209204.157.142.0/24 AS264209 AS264209204.157.144.0/23 AS273586 AS273586204.157.144.0/24 AS273586 AS273586204.157.145.0/24 AS273586 AS273586204.157.146.0/24 AS273020 AS273020204.157.147.0/24 AS273020 AS273020204.157.148.0/24 AS273238 AS273238204.157.149.0/24 AS274402 AS274402204.157.150.0/24 AS22869 AS22869204.157.151.0/24 AS273238 AS273238204.157.152.0/24 AS133495 VISIONTEL-PK204.157.153.0/24 AS133495 VISIONTEL-PK204.157.156.0/24 AS206283 YAHSAT-FRANKFURT Star Satellite Communications Company204.157.157.0/24 AS198381 ES1 Star Satellite Communications Company204.157.158.0/24 AS136030 REDTONE-AS-AP204.157.160.0/24 AS273285 AS273285204.157.161.0/24 AS265561 AS265561204.157.164.0/22 AS13536 TVC-AS1204.157.164.0/24 AS139390 LAMS-AS-ID204.157.165.0/24 AS139390 LAMS-AS-ID204.157.166.0/23 AS272744 AS272744204.157.166.0/24 AS272744 AS272744204.157.168.0/24 AS133524 GTCL-AS-AP204.157.169.0/24 AS133524 GTCL-AS-AP204.157.170.0/24 AS133524 GTCL-AS-AP204.157.171.0/24 AS133524 GTCL-AS-AP204.157.172.0/24 AS133384 GTCL-AS-AP204.157.173.0/24 AS133384 GTCL-AS-AP204.157.174.0/24 AS133384 GTCL-AS-AP204.157.175.0/24 AS133384 GTCL-AS-AP204.157.176.0/23 AS211908 HORIZON-SCOPE-Z5204.157.176.0/24 AS211908 HORIZON-SCOPE-Z5204.157.177.0/24 AS211908 HORIZON-SCOPE-Z5204.157.178.0/23 AS203217 HORIZON-SCOPE-IQ204.157.178.0/24 AS211908 HORIZON-SCOPE-Z5204.157.179.0/24 AS203217 HORIZON-SCOPE-IQ204.157.180.0/23 AS203217 HORIZON-SCOPE-IQ204.157.180.0/24 AS203217 HORIZON-SCOPE-IQ204.157.181.0/24 AS59588 ZAINAS-IQ204.157.182.0/23 AS211908 HORIZON-SCOPE-Z5204.157.182.0/24 AS211908 HORIZON-SCOPE-Z5204.157.183.0/24 AS211908 HORIZON-SCOPE-Z5204.157.184.0/23 AS273143 AS273143204.157.186.0/23 AS265721 AS265721204.157.186.0/24 AS265721 AS265721204.157.187.0/24 AS265721 AS265721204.157.188.0/22 AS46388 MXI-SOLUTIONS204.157.192.0/24 AS17069 AS17069204.157.193.0/24 AS17069 AS17069204.157.194.0/24 AS17069 AS17069204.157.195.0/24 AS17069 AS17069204.157.196.0/24 AS17069 AS17069204.157.197.0/24 AS17069 AS17069204.157.198.0/24 AS17069 AS17069204.157.199.0/24 AS17069 AS17069204.157.200.0/24 AS17069 AS17069204.157.201.0/24 AS17069 AS17069204.157.202.0/24 AS17069 AS17069204.157.203.0/24 AS17069 AS17069204.157.204.0/24 AS17069 AS17069204.157.205.0/24 AS17069 AS17069204.157.206.0/24 AS17069 AS17069204.157.207.0/24 AS17069 AS17069204.157.208.0/24 AS17069 AS17069204.157.209.0/24 AS17069 AS17069204.157.210.0/24 AS17069 AS17069204.157.211.0/24 AS17069 AS17069204.157.212.0/24 AS17069 AS17069204.157.213.0/24 AS17069 AS17069204.157.214.0/24 AS17069 AS17069204.157.215.0/24 AS17069 AS17069204.157.216.0/24 AS17069 AS17069204.157.217.0/24 AS17069 AS17069204.157.218.0/24 AS17069 AS17069204.157.219.0/24 AS17069 AS17069204.157.220.0/24 AS17069 AS17069204.157.221.0/24 AS17069 AS17069204.157.222.0/24 AS17069 AS17069204.157.223.0/24 AS17069 AS17069204.157.224.0/24 AS271948 AS271948204.157.225.0/24 AS273189 AS273189204.157.226.0/23 AS273189 AS273189204.157.230.0/24 AS271792 AS271792204.157.232.0/24 AS272930 AS272930204.157.233.0/24 AS269898 AS269898204.157.234.0/24 AS265446 AS265446204.157.236.0/24 AS52511 AS52511204.157.237.0/24 AS211580 ALTURGELLFIBRA-AS204.157.240.0/24 AS274129 AS274129204.157.241.0/24 AS138096 INTEK-AS-ID204.157.242.0/24 AS32098 TRANSTELCO-INC204.157.243.0/24 AS274131 AS274131204.157.244.0/24 AS274131 AS274131204.157.245.0/24 AS174 COGENT-174204.157.248.0/23 AS399622 WIRELESSDATANET-LLC-1204.157.250.0/24 AS270175 AS270175204.157.251.0/24 AS272868 AS272868204.157.254.0/24 AS271982 AS271982204.157.255.0/24 AS272830 AS272830
Tools

Check 204.157.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API