Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS4743

No announcement in snapshotAPNIC

77689388 · ISIF-AS-AP

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/12/2026, 05:03:08Snapshot expired

View network topology RDAP registration

ASN: AS4743
Registration country: Hong Kong SAR China
Name: 77689388
Abbreviation: ISIF-AS-AP
Registration date: 8/28/2025, 05:16:53
Status: No announcement in snapshot
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	ASN registration country	Observation window start	Latest observation	IPv4	IPv6	Status
AS49304Upstream · observed weight 2658	SAKURA-AS SAKURA LINK LIMITEDNetwork relationship data	RIR did not provide a registration country	8/19/2019, 00:00:00	10/18/2026, 00:00:00	✓3,911	✓12,898	Currently observed
AS9516Upstream · observed weight 253	SAKURALINK-AS-AP - SAKURA LINK LIMITEDNetwork relationship data	Hong Kong SAR China	8/19/2019, 00:00:00	10/18/2026, 00:00:00	✓339	×	Currently observed
AS209554Upstream · observed weight 8	ISIF-AS ISIF OUNetwork relationship data	RIR did not provide a registration country	8/28/2019, 00:00:00	10/18/2026, 00:00:00	×	✓8	Currently observed

Relationships are observed AS_PATH adjacencies. Coverage is partial; direction does not establish a commercial relationship.

Registration and sources

Organization: 77689388
RIR: APNIC
Registration country: Hong Kong SAR China
Registration date: 8/28/2025, 05:16:53
Abuse contact: abuse@isif.net

Snapshot trend

10/12/2026, 05:03:080 v40 v63 Upstream · 0 Uncertain

9/29/2026, 12:09:220 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn