Home Prefix Lookup27.50.56.0/21

27.50.56.0/21 - BGP Prefix

IPv4APNICassigned RPKI Valid

CIDR

27.50.56.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇭🇰 Hong Kong

City

Chai Wan

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

7 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
27.50.57.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
27.50.58.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
27.50.59.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
27.50.60.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
27.50.61.0/24	AS64050 BGNL-HK - BGP Network Limited	Valid	-	2026-10-12
27.50.62.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12
27.50.63.0/24	AS152194 CTGSERVERLIMITED-AS-AP - CTG Server Limited	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
27.50.48.0/20	AS64050	/24	apnic
27.50.48.0/20	AS152194	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS152194	APNIC	MAINT-RCPL-SG	2024-03-31
AS64050	APNIC	MAINT-RCPL-SG	2023-10-04

More Specific Prefixes

Prefix	AS	Country	Status
27.50.57.0/24	AS152194	🇯🇵JP	assigned
27.50.58.0/24	AS152194	🇯🇵JP	assigned
27.50.59.0/24	AS152194	🇭🇰HK	assigned
27.50.60.0/24	AS152194	🇯🇵JP	assigned
27.50.62.0/23		🇭🇰HK	assigned

Transfer History

Registry transfers of 27.50.56.0/21, blocks inside it, or blocks containing it.

27.50.48.0/20Transfer · 2016-10-21
Linknet Communications NSW Pty Ltd
🇦🇺 AU APNIC
→
RACKIP CONSULTANCY PTE. LTD.
🇸🇬 SG APNIC

Date	Resource	From	To	Type
2016-10-21	27.50.48.0/20	Linknet Communications NSW Pty Ltd 🇦🇺 AU APNIC	RACKIP CONSULTANCY PTE. LTD. 🇸🇬 SG APNIC	Transfer

Geolocation

Country🇭🇰Hong KongHK

RegionEastern District

CityChai Wan

Coordinates22.2661, 114.2470 ↗

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/27.50.56.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/27.50.56.0/21" | jq

External Links

RIPEstat