Home Prefix Lookup187.54.48.0/21

187.54.48.0/21 - FASTNET DATA (AS8796)

IPv4APNICannouncedAS8796FD-298-8796 - FASTNET DATA INC RPKI Valid

CIDR

187.54.48.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇭🇰 Hong Kong

City

Kwai Chung

RIR

APNIC

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
187.54.48.0/21	AS8796 FD-298-8796 - FASTNET DATA INC	Valid	APNIC	2026-10-11

More-Specific Announcements

4 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
187.54.48.0/23	AS9678 HOSTINGINSIDE-INTL HostingInside LTD	Invalid	-	2026-10-11
187.54.48.0/24	AS137897 PANLIANTECHNOLOGYCOLIMITED-AS-HK PAN-LIAN TECHNOLOGY CO., LIMITED	Valid	-	2026-10-11
187.54.49.0/24	AS137897 PANLIANTECHNOLOGYCOLIMITED-AS-HK PAN-LIAN TECHNOLOGY CO., LIMITED	Valid	-	2026-10-11
187.54.50.0/24	AS137897 PANLIANTECHNOLOGYCOLIMITED-AS-HK PAN-LIAN TECHNOLOGY CO., LIMITED	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
187.54.48.0/21	AS3491	/24	apnic
187.54.48.0/21	AS4515	/22	apnic
187.54.48.0/21	AS8796	/21	apnic
187.54.48.0/21	AS10753	/22	apnic
187.54.48.0/21	AS137897	/22	apnic
187.54.48.0/21	AS206675	/22	apnic
187.54.48.0/21	AS395886	/21	apnic
187.54.48.0/21	AS400618	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3491	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-06-17
AS8796	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-07
AS137897	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-06-17
AS395886	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-07
AS400618	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-06
AS4515	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-05-22
AS10753	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-05-22
AS206675	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-05-22

Transfer History

Registry transfers of 187.54.48.0/21, blocks inside it, or blocks containing it.

187.54.48.0/20inter-RIRTransfer · 2026-05-13
Globenet Cabos Submarinos America Inc.
🇺🇸 US ARIN
→
CTCSCI TECH LIMITED
🇭🇰 HK APNIC
187.54.48.0/20inter-RIRTransfer · 2025-02-20
V.TAL - REDE NEUTRA DE TELECOMUNICACOES S.A.
🇧🇷 BR LACNIC
→
GLOBENET CABOS SUBMARINOS AMERICA INC.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2026-05-13	187.54.48.0/20inter-RIR	Globenet Cabos Submarinos America Inc. 🇺🇸 US ARIN	CTCSCI TECH LIMITED 🇭🇰 HK APNIC	Transfer
2025-02-20	187.54.48.0/20inter-RIR	V.TAL - REDE NEUTRA DE TELECOMUNICACOES S.A. 🇧🇷 BR LACNIC	GLOBENET CABOS SUBMARINOS AMERICA INC. 🇺🇸 US ARIN	Transfer

Origin ASN

AS8796

FD-298-8796 - FASTNET DATA INC

Related Prefixes

More prefixes of AS8796

All prefixes of AS8796 →

Geolocation

Country🇭🇰Hong KongHK

RegionKwai Tsing District

CityKwai Chung

Coordinates22.3668, 114.1300 ↗

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/187.54.48.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/187.54.48.0/21" | jq

External Links

RIPEstat