Home Prefix Lookup43.243.72.0/22

43.243.72.0/22 - CTG Server Limited (AS152194)

IPv4APNICallocatedAS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited RPKI Valid

CIDR

43.243.72.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇭🇰 Hong Kong

City

Fo Tan

RIR

APNIC

Status

allocated

Allocated

2014-09-09

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
43.243.72.0/22	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	APNICOther IRR	2026-10-12

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
43.243.72.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
43.243.73.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
43.243.74.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
43.243.75.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
43.243.72.0/22	AS13335	/24	apnic
43.243.72.0/22	AS152194	/22	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS13335	APNIC	MAINT-FES-HK	2026-03-11
AS152194	APNIC	MAINT-FES-HK	2025-12-15
AS152194	Other IRR	MAINT-AS38197	2024-04-01

More Specific Prefixes

Prefix	Country	Status
43.243.72.0/27	🇭🇰HK	assigned
43.243.72.32/27	🇭🇰HK	assigned
43.243.72.64/27	🇭🇰HK	assigned
43.243.72.96/27	🇭🇰HK	assigned
43.243.72.128/27	🇭🇰HK	assigned
43.243.72.160/27	🇭🇰HK	assigned
43.243.72.192/27	🇭🇰HK	assigned
43.243.72.224/27	🇭🇰HK	assigned
43.243.73.0/27	🇭🇰HK	assigned
43.243.73.32/27	🇭🇰HK	assigned
43.243.73.64/27	🇭🇰HK	assigned
43.243.73.96/27	🇭🇰HK	assigned
43.243.73.128/27	🇭🇰HK	assigned
43.243.73.160/27	🇭🇰HK	assigned
43.243.73.192/27	🇭🇰HK	assigned
43.243.73.224/27	🇭🇰HK	assigned
43.243.74.0/27	🇭🇰HK	assigned
43.243.74.32/27	🇭🇰HK	assigned
43.243.74.64/27	🇭🇰HK	assigned
43.243.74.96/27	🇭🇰HK	assigned
43.243.74.128/27	🇭🇰HK	assigned
43.243.74.160/27	🇭🇰HK	assigned
43.243.74.192/27	🇭🇰HK	assigned
43.243.74.224/27	🇭🇰HK	assigned
43.243.75.0/27	🇭🇰HK	assigned
43.243.75.32/27	🇭🇰HK	assigned
43.243.75.64/27	🇭🇰HK	assigned
43.243.75.96/27	🇭🇰HK	assigned
43.243.75.128/27	🇭🇰HK	assigned
43.243.75.160/27	🇭🇰HK	assigned
43.243.75.192/27	🇭🇰HK	assigned
43.243.75.224/27	🇭🇰HK	assigned

Origin ASN

AS152194

CTGSERVERLIMITED-AS-AP - CTG Server Limited

Related Prefixes

More prefixes of AS152194

All prefixes of AS152194 →

Geolocation

Country🇭🇰Hong KongHK

RegionSha Tin

CityFo Tan

Coordinates22.3979, 114.1900 ↗

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/43.243.72.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/43.243.72.0/22" | jq

External Links

RIPEstat