Home Prefix Lookup72.255.224.0/19

72.255.224.0/19 - HKT Limited (AS4760)

IPv4APNICallocatedAS4760HKTIMS-AP - HKT LimitedNo ROA

CIDR

72.255.224.0/19

IP Version

IPv4

Addresses

8.1K

Mask

/19 (255.255.224.0)

Country

🇭🇰 Hong Kong

City

Tsing Yi

RIR

APNIC

Status

allocated

Allocated

2005-01-06

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
72.255.224.0/19	AS4760 HKTIMS-AP - HKT Limited	No ROA	APNICOther IRR	2026-10-11

More-Specific Announcements

7 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
72.255.226.0/24	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11
72.255.228.0/24	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11
72.255.229.0/24	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11
72.255.230.0/24	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11
72.255.231.0/24	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11
72.255.240.0/21	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11
72.255.248.0/21	AS4760 HKTIMS-AP - HKT Limited	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4515	APNIC	MAINT-HK-STAR	2020-11-20
AS4760	APNIC	MAINT-HK-STAR	2020-11-20
AS4515	Other IRR	MAINT-AS4515	2023-11-13
AS4760	Other IRR	MAINT-AS4515	2023-11-13

More Specific Prefixes

Prefix	Country	Status
72.255.238.0/29	🇭🇰HK	assigned
72.255.238.8/29	🇭🇰HK	assigned
72.255.238.16/28	🇭🇰HK	assigned
72.255.238.32/28	🇭🇰HK	assigned
72.255.238.48/28	🇭🇰HK	assigned
72.255.238.64/27	🇭🇰HK	assigned
72.255.238.96/27	🇭🇰HK	assigned
72.255.238.128/28	🇭🇰HK	assigned
72.255.238.144/28	🇭🇰HK	assigned
72.255.238.160/28	🇭🇰HK	assigned
72.255.238.176/28	🇭🇰HK	assigned
72.255.238.192/28	🇭🇰HK	assigned
72.255.238.208/28	🇭🇰HK	assigned
72.255.238.224/28	🇭🇰HK	assigned
72.255.238.240/29	🇭🇰HK	assigned
72.255.238.248/29	🇭🇰HK	assigned
72.255.239.0/27	🇭🇰HK	assigned
72.255.239.32/28	🇭🇰HK	assigned
72.255.239.48/29	🇭🇰HK	assigned
72.255.239.56/29	🇭🇰HK	assigned
72.255.239.64/29	🇭🇰HK	assigned
72.255.239.72/29	🇭🇰HK	assigned
72.255.239.80/28	🇭🇰HK	assigned
72.255.239.96/27	🇭🇰HK	assigned
72.255.239.128/27	🇭🇰HK	assigned
72.255.239.160/28	🇭🇰HK	assigned
72.255.239.176/28	🇭🇰HK	assigned
72.255.239.192/28	🇭🇰HK	assigned
72.255.239.208/28	🇭🇰HK	assigned
72.255.239.224/29	🇭🇰HK	assigned
72.255.239.232/30	🇭🇰HK	assigned
72.255.239.236/31	🇭🇰HK	assigned
72.255.239.240/28	🇭🇰HK	assigned
72.255.250.192/27	🇭🇰HK	assigned

Transfer History

Registry transfers of 72.255.224.0/19, blocks inside it, or blocks containing it.

72.255.224.0/19inter-RIRTransfer · 2017-04-24
Guest-Tek Interactive Entertainment, Inc.
🇺🇸 US ARIN
→
PCCW IMS Ltd
🇭🇰 HK APNIC
72.254.0.0/15M&A · 2016-11-11
STSN GENERAL HOLDINGS, INC.
🇺🇸 US ARIN
→
Guest-Tek Interactive Entertainment, Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2017-04-24	72.255.224.0/19inter-RIR	Guest-Tek Interactive Entertainment, Inc. 🇺🇸 US ARIN	PCCW IMS Ltd 🇭🇰 HK APNIC	Transfer
2016-11-11	72.254.0.0/15	STSN GENERAL HOLDINGS, INC. 🇺🇸 US ARIN	Guest-Tek Interactive Entertainment, Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS4760

HKTIMS-AP - HKT Limited

Related Prefixes

More prefixes of AS4760

All prefixes of AS4760 →

Geolocation

Country🇭🇰Hong KongHK

RegionKwai Tsing District

CityTsing Yi

Coordinates22.3500, 114.1000 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/72.255.224.0/19

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/72.255.224.0/19" | jq

External Links

RIPEstat