Autonomous system profile

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

AS210937

Announcement observedRIPE NCC

Showfom Xiufeng Guo · Showfom

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

Last active10/16/2026, 00:00:49Snapshot expired

View network topology RDAP registration

ASN: AS210937
Registration country: Germany
Name: Showfom Xiufeng Guo
Abbreviation: Showfom
Registration date: 8/5/2021, 13:18:27
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
141.11.11.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 08:00:00	10/15/2026, 16:00:00	✓	×	Currently valid
46.175.133.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 08:00:00	10/15/2026, 16:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Showfom Xiufeng Guo
RIR: RIPE NCC
Registration country: Germany
Registration date: 8/5/2021, 13:18:27
Abuse contact: abuse@xiufeng.de

Snapshot trend

10/16/2026, 00:00:492 v42 v652 Upstream · 964 Uncertain

10/14/2026, 03:04:542 v42 v653 Upstream · 966 Uncertain

10/12/2026, 22:08:412 v42 v652 Upstream · 971 Uncertain

10/11/2026, 11:28:202 v42 v653 Upstream · 969 Uncertain

10/9/2026, 19:39:262 v42 v653 Upstream · 965 Uncertain

10/8/2026, 17:30:432 v42 v653 Upstream · 962 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 · rir-rdap-asn · iana-rdap-asn-bootstrap