ResearchRouting table, looking glass, RPKI & IRR

223.255.243.0/24 Flat C, 16/F, Skyline Tower

Announced by AS55649 Flat C, 16/F, Skyline Tower. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 223.255.243.0/24

Prefix
223.255.243.0/24
Origin
AS55649 METRONET-HK
RPKI
RPKI valid
Size
256 addresses
Less specific
223.255.240.0/22 AS55649 METRONET-HK
More specifics
0
IRR route objects
7 exact, 13 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 223.255.243.0/24 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 3491 55649
OriginAS55649 Flat C, 16/F, Skyline Tower
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 3491 55649
OriginAS55649 Flat C, 16/F, Skyline Tower
Origin codeIGP
Communities903:900 903:13760
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3491 55649
OriginAS55649 Flat C, 16/F, Skyline Tower
Origin codeIGP
Communities36295:100
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 3491 55649
OriginAS55649 Flat C, 16/F, Skyline Tower
Origin codeIGP
Communities174:21000 174:22013
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3491 55649
OriginAS55649 Flat C, 16/F, Skyline Tower
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 20h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS55649 to originate 223.255.240.0/22 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
223.255.240.0/22/24AS3491 PCCWG-APAC-HKAPNIC
223.255.240.0/22/24AS9304 HUTCHISON-AS-APAPNIC
223.255.240.0/22/24AS55649 METRONET-HKAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
223.255.243.0/24AS3491 PCCWG-APAC-HKAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.243.0/24AS9304 HUTCHISON-AS-APAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.243.0/24AS55649 METRONET-HKAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.243.0/24AS9304 HUTCHISON-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
223.255.243.0/24AS55649 METRONET-HKNTTCOMCMI IP TransitMAINT-CMI-INT-HK
223.255.243.0/24AS9304 HUTCHISON-AS-APRADBCMI (Customer Route)MAINT-AS58453
223.255.243.0/24AS55649 METRONET-HKRADBCMI (Customer Route)MAINT-AS58453
223.255.242.0/23 coveringAS3491 PCCWG-APAC-HKAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.242.0/23 coveringAS9304 HUTCHISON-AS-APAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.242.0/23 coveringAS55649 METRONET-HKAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.242.0/23 coveringAS55649 METRONET-HKNTTCOMProxy-registered route objectMAINT-AS9304
223.255.242.0/23 coveringAS55649 METRONET-HKRADBProxy-registered route objectMAINT-HGC-INTL
223.255.240.0/22 coveringAS3491 PCCWG-APAC-HKAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.240.0/22 coveringAS9304 HUTCHISON-AS-APAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.240.0/22 coveringAS55649 METRONET-HKAPNICHong Kong Five Towns Development Co. Ltd. Flat C, 16/F, Skyline Tower, 18 Tong Mi Road,MAINT-METRONET-HK
223.255.240.0/22 coveringAS9304 HUTCHISON-AS-APNTTCOMCMI IP TransitMAINT-CMI-INT-HK
223.255.240.0/22 coveringAS55649 METRONET-HKNTTCOMCMI IP TransitMAINT-CMI-INT-HK
223.255.240.0/22 coveringAS9304 HUTCHISON-AS-APRADBCMI (Customer Route)MAINT-AS58453
223.255.240.0/22 coveringAS55649 METRONET-HKRADBPACNET (proxy-registered route object)MAINT-AS4637
223.255.240.0/22 coveringAS9269 HKBN-AS-APREACHREACH (Customer Route)MAINT-REACH-NOC
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

223.255.240.0/22 AS55649 METRONET-HK
Tools

Check 223.255.243.0/24 live

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