Home Prefix Lookup45.255.133.0/24

45.255.133.0/24 - UCLOUD HK AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED (AS135377)

IPv4APNICassignedAS135377UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED RPKI Valid

CIDR

45.255.133.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇹🇼 Taiwan

City

Neihu District

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
45.255.133.0/24	AS135377 UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED	Valid	APNICOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
45.255.133.0/24	AS135377	/24	apnic
45.255.132.0/22	AS135391	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS135377	APNIC	MAINT-OFFEI-HK	2025-11-26
AS135391	APNIC	MAINT-OFFEI-HK	2025-08-28
AS135377	Other IRR	MAINT-AS135391	2025-11-28
AS135391	Other IRR	MAINT-AS135391	2023-11-13

Transfer History

Registry transfers of 45.255.133.0/24, blocks inside it, or blocks containing it.

45.255.132.0/22Transfer · 2025-07-21
Guangzhou Haomeng Computer Technology Co., Ltd.
🇨🇳 CN APNIC
→
AOFEI DATA INTERNATIONAL COMPANY LIMITED
🇭🇰 HK APNIC

Date	Resource	From	To	Type
2025-07-21	45.255.132.0/22	Guangzhou Haomeng Computer Technology Co., Ltd. 🇨🇳 CN APNIC	AOFEI DATA INTERNATIONAL COMPANY LIMITED 🇭🇰 HK APNIC	Transfer

Origin ASN

AS135377

UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED

Related Prefixes

More prefixes of AS135377

All prefixes of AS135377 →

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityNeihu District

Coordinates25.0744, 121.5780 ↗

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/45.255.133.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/45.255.133.0/24" | jq

External Links

RIPEstat