Home Prefix Lookup177.5.55.0/24

177.5.55.0/24 - BGP Prefix (MOAS)

IPv4APNICannouncedMOAS RPKI Valid

CIDR

177.5.55.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇯🇵 Japan

City

Tokyo

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

2 of 2 routes

MOAS - 2 origin ASNs

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
177.5.55.0/24	AS140227 HKCICL-AS-AP Hong Kong Communications International Co., Limited	Valid	APNIC	2026-10-11
177.5.55.0/24	AS400618 PRIME-SEC - Prime Security Corp.	Valid	APNICOther IRR	2026-10-11

Covering Prefix

5 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
177.5.48.0/20	AS8796 FD-298-8796 - FASTNET DATA INC	Valid	-	2026-10-11
177.5.48.0/20	AS140227 HKCICL-AS-AP Hong Kong Communications International Co., Limited	Valid	-	2026-10-11
177.5.52.0/22	AS8796 FD-298-8796 - FASTNET DATA INC	Valid	-	2026-10-11
177.5.52.0/22	AS140227 HKCICL-AS-AP Hong Kong Communications International Co., Limited	Valid	-	2026-10-11
177.5.54.0/23	AS400618 PRIME-SEC - Prime Security Corp.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
177.5.52.0/22	AS400618	/24	apnic
177.5.48.0/20	AS8796	/24	apnic
177.5.48.0/20	AS40115	/24	apnic
177.5.48.0/20	AS140227	/24	apnic
177.5.48.0/20	AS395886	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS40115	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-17
AS8796	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-17
AS395886	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-17
AS400618	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-03
AS140227	APNIC	MAINT-CTCSCITECHLIMITED-HK	2026-07-17
AS400618	Other IRR	MAINT-AS400618	2026-06-30

Transfer History

Registry transfers of 177.5.55.0/24, blocks inside it, or blocks containing it.

177.5.48.0/20inter-RIRTransfer · 2026-05-13
Globenet Cabos Submarinos America Inc.
🇺🇸 US ARIN
→
CTCSCI TECH LIMITED
🇭🇰 HK APNIC
177.5.48.0/20inter-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	177.5.48.0/20inter-RIR	Globenet Cabos Submarinos America Inc. 🇺🇸 US ARIN	CTCSCI TECH LIMITED 🇭🇰 HK APNIC	Transfer
2025-02-20	177.5.48.0/20inter-RIR	V.TAL - REDE NEUTRA DE TELECOMUNICACOES S.A. 🇧🇷 BR LACNIC	GLOBENET CABOS SUBMARINOS AMERICA INC. 🇺🇸 US ARIN	Transfer

Origin ASNs (2)

AS140227MOAS

HKCICL-AS-AP Hong Kong Communications International Co., Limited

AS400618MOAS

PRIME-SEC - Prime Security Corp.

Related Prefixes

Covering prefix

177.5.54.0/23AS400618

Geolocation

Country🇯🇵JapanJP

CityTokyo

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/177.5.55.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/177.5.55.0/24" | jq

External Links

RIPEstat