asn.dev

Autonomous system

AS138456 OCTL-AS-AP OceanBlue Cloud Technology Limited

Hosting APNIC

IPv4 addresses 5.12K 16 prefixes
IPv6 prefixes 1 counted as prefixes, not addresses
Countries 1 mostly HK
Exchanges 2 recorded by PCH
Upstreams 4 0 downstream
Flagged prefixes 0 none

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 2 exchanges in 1 country, largest first.

ExchangeLocationTheir address
Hong Kong Internet ExchangeHong Kong, China123.255.92.49
Equinix Internet Exchange Hong KongHong Kong, China2001:de8:7::13:8456:1

Transit providers

4 upstream, 0 downstream and 5 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS6939Hurricane Electric LLC606
AS3491PCCW Global (HK) Ltd.438
AS24482SG.GS16
AS9002RETN Limited1

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-14, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 16 prefixes · 5.12K addresses IPv6 1 prefixes

CountryNamePrefixes
HKHong Kong17

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS138456
Registry name
OCTL-AS-AP
Registrant
OceanBlue Cloud Technology Limited
Abuse contact
sam.yang@oceanbluecloud.com
Registered
2018-11-27
Last changed
2026-01-07
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
76% valid · 13 valid, 4 with no ROA
ROAs
16 authorising AS138456
ASPA
no ASPA record
IRR
100% registered · 17 of 17 announcements
Route objects
34 naming AS138456

Reputation

Classification and threat

Hosting Datacenter or cloud provider. Addresses are servers, not people.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,771 prefixes, as published 2026-10-15. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check