Home Prefix Lookup152.175.20.0/22

152.175.20.0/22 - ISIF OU (AS209554)

IPv4RIPEannouncedAS209554ISIF-AS ISIF OU RPKI Valid

CIDR

152.175.20.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇭🇰 Hong Kong

RIR

RIPE

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
152.175.20.0/22	AS209554 ISIF-AS ISIF OU	Valid	RIPE	2026-10-11

Related Announcements

2 less-specific, 4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
152.175.0.0/16	AS49304 SAKURA-AS SAKURA LINK LIMITED	Valid	-	2026-10-11
152.175.0.0/16	AS202069 SKR-DE Sakura Communications Limited	Valid	-	2026-10-11
152.175.20.0/23	AS49304 SAKURA-AS SAKURA LINK LIMITED	Valid	-	2026-10-11
152.175.20.0/23	AS209554 ISIF-AS ISIF OU	Valid	-	2026-10-11
152.175.22.0/23	AS49304 SAKURA-AS SAKURA LINK LIMITED	Valid	-	2026-10-11
152.175.22.0/23	AS209554 ISIF-AS ISIF OU	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
152.175.20.0/22	AS209554	/24	ripe
152.175.0.0/19	AS218922	/24	ripe
152.175.0.0/17	AS8126	/24	ripe
152.175.0.0/16	AS49304	/24	ripe
152.175.0.0/16	AS202069	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS49304	Other IRR	MAINT-AS49304	2026-06-16
AS209554	RIPE	lir-hk-skr-1-MNT	2026-09-28
AS218922	RIPE	lir-hk-skr-1-MNT	2026-09-28

Transfer History

Registry transfers of 152.175.20.0/22, blocks inside it, or blocks containing it.

152.175.0.0/16inter-RIRTransfer · 2026-06-16
TELEFONICA MOVIL DE CHILE S.A.
🇨🇱 CL LACNIC
→
SAKURA INTERNATIONAL INVESTMENT LIMITED
🇭🇰 HK RIPE NCC

Date	Resource	From	To	Type
2026-06-16	152.175.0.0/16inter-RIR	TELEFONICA MOVIL DE CHILE S.A. 🇨🇱 CL LACNIC	SAKURA INTERNATIONAL INVESTMENT LIMITED 🇭🇰 HK RIPE NCC	Transfer

Origin ASN

AS209554

ISIF-AS ISIF OU

Related Prefixes

Covering prefix

152.175.0.0/16AS49304

More prefixes of AS209554

All prefixes of AS209554 →

Geolocation

Country🇭🇰Hong KongHK

Abuse Contact

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/152.175.20.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/152.175.20.0/22" | jq

External Links

RIPEstat