Autonomous system profile

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

AS37936

Announcement observedAPNIC

SINA

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

Last active10/16/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS37936
Registration country: China
Name: SINA
Abbreviation: SINA
Registration date: 8/10/2017, 08:24:01
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
36.51.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	11/1/2026, 08:00:00	✓	×	Currently valid
36.51.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	11/1/2026, 08:00:00	✓	×	Currently valid
36.51.226.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	11/1/2026, 08:00:00	✓	×	Currently valid
36.51.248.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	11/1/2026, 08:00:00	✓	×	Currently valid
36.51.254.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	11/1/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: SINA
RIR: APNIC
Registration country: China
Registration date: 8/10/2017, 08:24:01
Abuse contact: yonggang1@staff.sina.com

Snapshot trend

10/3/2026, 02:38:355 v45 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 · cha-la-bgp-observations