ResearchRouting table, looking glass, RPKI & IRR

203.56.128.0/19 Southern Phone Company Ltd

Announced by AS136994 Southern Phone Company Ltd. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.56.128.0/19

Prefix
203.56.128.0/19
Origin
AS136994 SOUTHERNPHONE-AS-AP
RPKI
RPKI not found
Size
8,192 addresses
Less specific
none
More specifics
28
IRR route objects
3 exact, 2 covering
In RouteViews
2026-10-15 08:02 UTC
Paths

How 203.56.128.0/19 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 38195 136994×3
OriginAS136994 Southern Phone Company Ltd
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated7d 6h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 3257 38195 136994×3
OriginAS136994 Southern Phone Company Ltd
Origin codeIGP
Communities903:900 903:13760
Updated7d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 136994
OriginAS136994 Southern Phone Company Ltd
Origin codeIGP
Communities36295:100
Updated7d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 136994
OriginAS136994 Southern Phone Company Ltd
Origin codeIGP
Communitiesnone
Updated7d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 38195 136994×3
OriginAS136994 Southern Phone Company Ltd
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated11d 7h 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
203.56.128.0/19AS136994 SOUTHERNPHONE-AS-APAPNICSouthern Phone Company Ltd 6 Page StreetMAINT-SOUTHERNPHONE-AU
203.56.128.0/19AS9268 OVERTHEWIRE-AS-APRADBProxy route object registered by AS2764MAINT-AS2764
203.56.128.0/19AS9280 SAU-NET-AURADBServers Australia Pty Ltd - ResellerMAINT-AS17819
203.56.128.0/18 coveringAS7175 ERX-AUSSIERADBAsia Pacific Network Information Center (8798)MAINT-AS2764
203.56.128.0/18 coveringAS9280 SAU-NET-AURADBServers Australia Pty Ltd - ResellerMAINT-AS17819
More specific

Prefixes inside 203.56.128.0/19

28 announced prefixes fall inside this one.

Show the 28 prefixes
203.56.128.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.129.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.130.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.131.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.132.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.133.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.134.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.135.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.136.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.137.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.138.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.139.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.140.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.141.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.142.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.143.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.145.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.146.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.147.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.148.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.149.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.150.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.152.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.153.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.156.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.157.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.158.0/24 AS136994 SOUTHERNPHONE-AS-AP203.56.159.0/24 AS136994 SOUTHERNPHONE-AS-AP
Tools

Check 203.56.128.0/19 live

Looking glassIP to ASN APIRPKI APIIRR API