ResearchRouting table, looking glass, RPKI & IRR

191.53.0.0/16 MASTER S/A

Announced by AS28202 MASTER S/A. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 191.53.0.0/16

Prefix
191.53.0.0/16
Origin
AS28202 AS28202
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
155
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-12 20:02 UTC
Paths

How 191.53.0.0/16 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 13760 37468 28202
OriginAS28202 MASTER S/A
Origin codeIGP
Communities13760:3002 36601:150 36601:2001 36601:13760
Updated4d 19h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 37468 28202
OriginAS28202 MASTER S/A
Origin codeIGP
Communities903:900 903:13760
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 52320 28202
OriginAS28202 MASTER S/A
Origin codeIGP
Communities36295:100
Updated5d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 52320 28202
OriginAS28202 MASTER S/A
Origin codeIGP
Communities174:21001 174:22013
Updated4d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 52320 28202
OriginAS28202 MASTER S/A
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated4d 3h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS28202 to originate 191.53.0.0/16 up to /25. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
191.53.0.0/16/25AS28202 AS28202LACNIC
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
191.53.0.0/16AS28202 AS28202RADBRBC - Rede Brasileira de Comunicacao LtdaMAINT-AS28202
More specific

Prefixes inside 191.53.0.0/16

155 announced prefixes fall inside this one.

Show the 155 prefixes
191.53.8.0/21 AS28202 AS28202191.53.8.0/22 AS28202 AS28202191.53.8.0/23 AS28202 AS28202191.53.10.0/23 AS28202 AS28202191.53.12.0/22 AS28202 AS28202191.53.12.0/23 AS28202 AS28202191.53.14.0/23 AS28202 AS28202191.53.16.0/21 AS28202 AS28202191.53.16.0/22 AS28202 AS28202191.53.16.0/23 AS28202 AS28202191.53.18.0/23 AS28202 AS28202191.53.20.0/22 AS28202 AS28202191.53.20.0/23 AS28202 AS28202191.53.22.0/23 AS28202 AS28202191.53.24.0/23 AS28202 AS28202191.53.28.0/22 AS28202 AS28202191.53.28.0/23 AS28202 AS28202191.53.30.0/23 AS28202 AS28202191.53.32.0/22 AS28202 AS28202191.53.32.0/23 AS28202 AS28202191.53.34.0/23 AS28202 AS28202191.53.36.0/22 AS28202 AS28202191.53.36.0/23 AS28202 AS28202191.53.38.0/23 AS28202 AS28202191.53.41.0/24 AS28202 AS28202191.53.48.0/22 AS28202 AS28202191.53.48.0/23 AS28202 AS28202191.53.50.0/23 AS28202 AS28202191.53.54.0/23 AS28202 AS28202191.53.56.0/21 AS28202 AS28202191.53.56.0/22 AS28202 AS28202191.53.56.0/23 AS28202 AS28202191.53.58.0/23 AS28202 AS28202191.53.60.0/22 AS28202 AS28202191.53.60.0/23 AS28202 AS28202191.53.62.0/23 AS28202 AS28202191.53.68.0/22 AS28202 AS28202191.53.68.0/23 AS28202 AS28202191.53.70.0/23 AS28202 AS28202191.53.72.0/21 AS28202 AS28202191.53.72.0/22 AS28202 AS28202191.53.72.0/23 AS28202 AS28202191.53.74.0/23 AS28202 AS28202191.53.76.0/22 AS28202 AS28202191.53.76.0/23 AS28202 AS28202191.53.78.0/23 AS28202 AS28202191.53.80.0/22 AS28202 AS28202191.53.80.0/23 AS28202 AS28202191.53.82.0/23 AS28202 AS28202191.53.84.0/23 AS28202 AS28202191.53.94.0/23 AS28202 AS28202191.53.96.0/23 AS28202 AS28202191.53.98.0/23 AS28202 AS28202191.53.101.0/24 AS28202 AS28202191.53.102.0/23 AS28202 AS28202191.53.104.0/22 AS28202 AS28202191.53.108.0/23 AS28202 AS28202191.53.110.0/23 AS28202 AS28202191.53.112.0/22 AS28202 AS28202191.53.112.0/23 AS28202 AS28202191.53.114.0/23 AS28202 AS28202191.53.116.0/22 AS28202 AS28202191.53.116.0/23 AS28202 AS28202191.53.118.0/23 AS28202 AS28202191.53.120.0/22 AS28202 AS28202191.53.120.0/23 AS28202 AS28202191.53.122.0/23 AS28202 AS28202191.53.124.0/23 AS28202 AS28202191.53.128.0/21 AS28202 AS28202191.53.128.0/22 AS28202 AS28202191.53.128.0/23 AS28202 AS28202191.53.130.0/23 AS28202 AS28202191.53.132.0/22 AS28202 AS28202191.53.132.0/23 AS28202 AS28202191.53.134.0/23 AS28202 AS28202191.53.138.0/23 AS28202 AS28202191.53.140.0/23 AS28202 AS28202191.53.142.0/23 AS28202 AS28202191.53.148.0/22 AS28202 AS28202191.53.148.0/23 AS28202 AS28202191.53.150.0/23 AS28202 AS28202191.53.152.0/23 AS28202 AS28202191.53.156.0/22 AS28202 AS28202191.53.156.0/23 AS28202 AS28202191.53.158.0/23 AS28202 AS28202191.53.160.0/22 AS28202 AS28202191.53.160.0/23 AS28202 AS28202191.53.160.0/24 AS28202 AS28202191.53.161.0/24 AS28202 AS28202191.53.162.0/23 AS28202 AS28202191.53.162.0/24 AS28202 AS28202191.53.163.0/24 AS28202 AS28202191.53.164.0/22 AS28202 AS28202191.53.164.0/23 AS28202 AS28202191.53.166.0/23 AS28202 AS28202191.53.168.0/22 AS28202 AS28202191.53.168.0/23 AS28202 AS28202191.53.170.0/23 AS28202 AS28202191.53.172.0/22 AS28202 AS28202191.53.172.0/23 AS28202 AS28202191.53.174.0/23 AS28202 AS28202191.53.176.0/20 AS28202 AS28202191.53.176.0/21 AS28202 AS28202191.53.176.0/22 AS28202 AS28202191.53.176.0/23 AS28202 AS28202191.53.178.0/23 AS28202 AS28202191.53.180.0/22 AS28202 AS28202191.53.180.0/23 AS28202 AS28202191.53.182.0/23 AS28202 AS28202191.53.184.0/21 AS28202 AS28202191.53.184.0/22 AS28202 AS28202191.53.184.0/23 AS28202 AS28202191.53.186.0/23 AS28202 AS28202191.53.188.0/22 AS28202 AS28202191.53.188.0/23 AS28202 AS28202191.53.190.0/23 AS28202 AS28202191.53.192.0/20 AS28202 AS28202191.53.192.0/21 AS28202 AS28202191.53.192.0/22 AS28202 AS28202191.53.192.0/23 AS28202 AS28202191.53.194.0/23 AS28202 AS28202191.53.196.0/22 AS28202 AS28202191.53.196.0/23 AS28202 AS28202191.53.198.0/23 AS28202 AS28202191.53.200.0/21 AS28202 AS28202191.53.200.0/22 AS28202 AS28202191.53.200.0/23 AS28202 AS28202191.53.202.0/23 AS28202 AS28202191.53.204.0/22 AS28202 AS28202191.53.204.0/23 AS28202 AS28202191.53.206.0/23 AS28202 AS28202191.53.210.0/23 AS28202 AS28202191.53.212.0/22 AS28202 AS28202191.53.212.0/23 AS28202 AS28202191.53.214.0/23 AS28202 AS28202191.53.216.0/22 AS28202 AS28202191.53.216.0/23 AS28202 AS28202191.53.218.0/23 AS28202 AS28202191.53.224.0/22 AS28202 AS28202191.53.224.0/23 AS28202 AS28202191.53.226.0/23 AS28202 AS28202191.53.228.0/22 AS28202 AS28202191.53.232.0/23 AS28202 AS28202191.53.234.0/23 AS28202 AS28202191.53.236.0/23 AS28202 AS28202191.53.238.0/23 AS28202 AS28202191.53.242.0/23 AS28202 AS28202191.53.244.0/22 AS28202 AS28202191.53.244.0/23 AS28202 AS28202191.53.248.0/22 AS28202 AS28202191.53.248.0/23 AS28202 AS28202191.53.250.0/23 AS28202 AS28202191.53.252.0/22 AS28202 AS28202191.53.252.0/23 AS28202 AS28202191.53.254.0/23 AS28202 AS28202
Tools

Check 191.53.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API