Home ASN LookupAS134544

AS134544 CENBONGT-AS-AP Cenbong Intl Holdings Limited

🇭🇰

Org handle: ORG-CIHL1-AP

Cenbong Int'l Holdings Limited

APNICallocated

Announced Prefixes (BGP)

7total

7 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)2,048

Announced (BGP)1,792

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇭🇰 HK

RIR

APNIC

Status

allocated

Allocated

2015-08-25

Announced Prefixes

(BGP)7

Prefix	RPKI	IRR	Last Seen
45.126.0.0/24	Valid	-	2026-10-10
45.126.1.0/24	Valid	-	2026-10-10
45.126.2.0/24	No ROA	-	2026-10-10
45.126.3.0/24	No ROA	-	2026-10-10
103.35.252.0/24	Valid	-	2026-10-10
103.35.253.0/24	Valid	-	2026-10-10
103.35.254.0/24	No ROA	APNIC	2026-10-10

Allocated Prefixes

(RIR)3

Prefix	Country	RIR	Status
45.126.0.0/22	🇭🇰 HK	APNIC	allocated
103.35.252.0/22	🇭🇰 HK	APNIC	allocated
2401:2d40::/32	🇭🇰 HK	APNIC	allocated

All 7 announced prefixes of AS134544 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS134544 hands its own prefixes to: transit providers, or peers at an exchange.

AS9381HKBN Enterprise Solutions HK Limited6
AS4837CHINA UNICOM China169 Backbone1

Downstreams (1)

Networks whose own prefixes AS134544 passes on: usually its customers.

AS131279Ryugyong Dong3

ASPA

No ASPA

External Links

APNIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS134544 should publish an ASPA object
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/134544

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/134544" | jq