ResearchRouting table, looking glass, RPKI & IRR

72.57.128.0/17 HK Cable TV Ltd

Announced by AS9908 HK Cable TV Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 72.57.128.0/17

Prefix

Origin

AS9908 HKCABLE2-HK-AP

RPKI

RPKI valid

Size

32,768 addresses

Less specific

none

More specifics

124

IRR route objects

2 exact, 0 covering

In RouteViews

2026-10-13 20:02 UTC

Paths

How 72.57.128.0/17 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 9908×3

Origin	AS9908 HK Cable TV Ltd
Origin code	IGP
Communities	174:21201 174:22039 36601:150 36601:174 36601:2001
Updated	5d 20h ago

AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174 9908×3

Origin	AS9908 HK Cable TV Ltd
Origin code	IGP
Communities	903:900 903:13760
Updated	6d 5h ago

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 9908

Origin	AS9908 HK Cable TV Ltd
Origin code	IGP
Communities	36295:100
Updated	6d 5h ago

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 9908

Origin	AS9908 HK Cable TV Ltd
Origin code	IGP
Communities	none
Updated	6d 5h ago

AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 9908×3

Origin	AS9908 HK Cable TV Ltd
Origin code	IGP
Communities	174:21201 174:22039 36295:100 36295:174
Updated	9d 22h ago

RPKI

Route origin authorizations

Covered by a ROA authorizing AS9908 to originate 72.57.128.0/17 up to /17. Validate another origin.

ROA prefix	Max length	Authorized origin	Trust anchor
72.57.128.0/17	/17	AS9908 HKCABLE2-HK-AP	APNIC

IRR

Route objects

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

Route	Origin	Source	Description	Maintained by
72.57.128.0/17	AS9908 HKCABLE2-HK-AP	APNIC	SKYLINE NETWORKS COMPANY LIMITED FLAT A 6/F BLK B MARVEL IND BLDG 17-23	MAINT-SKYLINE1-HK
72.57.128.0/17	AS9908 HKCABLE2-HK-AP	RADB	HK Cable TV	MAINT-AS132839

More specific

Prefixes inside 72.57.128.0/17

124 announced prefixes fall inside this one.

Show the 124 prefixes

72.57.128.0/22 AS3491 PCCWG-APAC-HK 72.57.132.0/24 AS3491 PCCWG-APAC-HK 72.57.134.0/24 AS3491 PCCWG-APAC-HK 72.57.135.0/24 AS984 OWS-NETWORK 72.57.136.0/24 AS984 OWS-NETWORK 72.57.137.0/24 AS984 OWS-NETWORK 72.57.138.0/24 AS984 OWS-NETWORK 72.57.139.0/24 AS984 OWS-NETWORK 72.57.140.0/24 AS984 OWS-NETWORK 72.57.141.0/24 AS984 OWS-NETWORK 72.57.142.0/24 AS984 OWS-NETWORK 72.57.143.0/24 AS984 OWS-NETWORK 72.57.144.0/24 AS984 OWS-NETWORK 72.57.145.0/24 AS56286 IXTELECOM-MY 72.57.146.0/24 AS56286 IXTELECOM-MY 72.57.147.0/24 AS56286 IXTELECOM-MY 72.57.148.0/24 AS56286 IXTELECOM-MY 72.57.149.0/24 AS56286 IXTELECOM-MY 72.57.150.0/24 AS56286 IXTELECOM-MY 72.57.151.0/24 AS56286 IXTELECOM-MY 72.57.152.0/24 AS56286 IXTELECOM-MY 72.57.153.0/24 AS56286 IXTELECOM-MY 72.57.154.0/24 AS56286 IXTELECOM-MY 72.57.155.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.156.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.157.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.158.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.159.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.160.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.161.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.162.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.163.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.164.0/24 AS138077 IDNIC-ABHINAWA-AS-ID 72.57.165.0/24 AS984 OWS-NETWORK 72.57.166.0/24 AS984 OWS-NETWORK 72.57.167.0/24 AS984 OWS-NETWORK 72.57.168.0/24 AS984 OWS-NETWORK 72.57.169.0/24 AS984 OWS-NETWORK 72.57.170.0/24 AS984 OWS-NETWORK 72.57.171.0/24 AS984 OWS-NETWORK 72.57.172.0/24 AS984 OWS-NETWORK 72.57.173.0/24 AS984 OWS-NETWORK 72.57.174.0/24 AS984 OWS-NETWORK 72.57.175.0/24 AS984 OWS-NETWORK 72.57.176.0/24 AS984 OWS-NETWORK 72.57.177.0/24 AS984 OWS-NETWORK 72.57.178.0/24 AS984 OWS-NETWORK 72.57.179.0/24 AS984 OWS-NETWORK 72.57.180.0/24 AS984 OWS-NETWORK 72.57.181.0/24 AS984 OWS-NETWORK 72.57.182.0/24 AS3491 PCCWG-APAC-HK 72.57.183.0/24 AS3491 PCCWG-APAC-HK 72.57.184.0/24 AS3491 PCCWG-APAC-HK 72.57.185.0/24 AS984 OWS-NETWORK 72.57.186.0/24 AS984 OWS-NETWORK 72.57.187.0/24 AS984 OWS-NETWORK 72.57.188.0/24 AS984 OWS-NETWORK 72.57.189.0/24 AS984 OWS-NETWORK 72.57.190.0/24 AS984 OWS-NETWORK 72.57.191.0/24 AS984 OWS-NETWORK 72.57.192.0/24 AS984 OWS-NETWORK 72.57.193.0/24 AS984 OWS-NETWORK 72.57.194.0/24 AS984 OWS-NETWORK 72.57.195.0/24 AS984 OWS-NETWORK 72.57.196.0/24 AS3491 PCCWG-APAC-HK 72.57.197.0/24 AS984 OWS-NETWORK 72.57.198.0/24 AS3491 PCCWG-APAC-HK 72.57.199.0/24 AS984 OWS-NETWORK 72.57.200.0/24 AS984 OWS-NETWORK 72.57.201.0/24 AS984 OWS-NETWORK 72.57.202.0/24 AS3491 PCCWG-APAC-HK 72.57.203.0/24 AS984 OWS-NETWORK 72.57.204.0/24 AS3491 PCCWG-APAC-HK 72.57.205.0/24 AS984 OWS-NETWORK 72.57.206.0/24 AS3491 PCCWG-APAC-HK 72.57.207.0/24 AS3491 PCCWG-APAC-HK 72.57.208.0/24 AS3491 PCCWG-APAC-HK 72.57.209.0/24 AS984 OWS-NETWORK 72.57.210.0/24 AS984 OWS-NETWORK 72.57.211.0/24 AS984 OWS-NETWORK 72.57.212.0/24 AS984 OWS-NETWORK 72.57.213.0/24 AS984 OWS-NETWORK 72.57.214.0/24 AS984 OWS-NETWORK 72.57.215.0/24 AS984 OWS-NETWORK 72.57.216.0/24 AS984 OWS-NETWORK 72.57.217.0/24 AS984 OWS-NETWORK 72.57.218.0/24 AS984 OWS-NETWORK 72.57.219.0/24 AS984 OWS-NETWORK 72.57.220.0/24 AS984 OWS-NETWORK 72.57.221.0/24 AS984 OWS-NETWORK 72.57.222.0/24 AS984 OWS-NETWORK 72.57.223.0/24 AS984 OWS-NETWORK 72.57.224.0/24 AS984 OWS-NETWORK 72.57.225.0/24 AS984 OWS-NETWORK 72.57.226.0/24 AS984 OWS-NETWORK 72.57.227.0/24 AS984 OWS-NETWORK 72.57.228.0/24 AS984 OWS-NETWORK 72.57.229.0/24 AS984 OWS-NETWORK 72.57.230.0/24 AS984 OWS-NETWORK 72.57.231.0/24 AS984 OWS-NETWORK 72.57.232.0/24 AS984 OWS-NETWORK 72.57.233.0/24 AS984 OWS-NETWORK 72.57.234.0/24 AS984 OWS-NETWORK 72.57.235.0/24 AS984 OWS-NETWORK 72.57.236.0/24 AS984 OWS-NETWORK 72.57.237.0/24 AS984 OWS-NETWORK 72.57.238.0/24 AS3491 PCCWG-APAC-HK 72.57.239.0/24 AS3491 PCCWG-APAC-HK 72.57.240.0/24 AS984 OWS-NETWORK 72.57.241.0/24 AS984 OWS-NETWORK 72.57.242.0/24 AS3491 PCCWG-APAC-HK 72.57.243.0/24 AS984 OWS-NETWORK 72.57.244.0/24 AS984 OWS-NETWORK 72.57.245.0/24 AS984 OWS-NETWORK 72.57.246.0/24 AS984 OWS-NETWORK 72.57.247.0/24 AS984 OWS-NETWORK 72.57.248.0/24 AS56286 IXTELECOM-MY 72.57.249.0/24 AS56286 IXTELECOM-MY 72.57.250.0/24 AS56286 IXTELECOM-MY 72.57.251.0/24 AS3491 PCCWG-APAC-HK 72.57.252.0/24 AS56286 IXTELECOM-MY 72.57.253.0/24 AS56286 IXTELECOM-MY 72.57.254.0/24 AS56286 IXTELECOM-MY 72.57.255.0/24 AS56286 IXTELECOM-MY

Tools

Check 72.57.128.0/17 live

Looking glass IP to ASN API RPKI API IRR API