Xiufeng Guo

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks18 · 770 IPv4 addresses
IPv6 13 prefixes (largest 2a11:1d40::/29)
Registered in Germany (4) · France (2)
Record ID246690670
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (18)

⬇ export CSV
CIDR Org name Registry Status Confidence
46.175.133.0/24 Xiufeng Guo BGP ANNOUNCED ● high
80.81.197.27/32 Xiufeng Guo PEERINGDB ASSIGNED ● high
141.11.10.0/23 Xiufeng Guo RIPE SUB-ALLOCATED PA ● high
141.11.11.0/24 Xiufeng Guo BGP ANNOUNCED ● high
185.1.167.120/32 Xiufeng Guo PEERINGDB ASSIGNED ● high
2001:7f8::3:37f9:0:1/128 Xiufeng Guo PEERINGDB ASSIGNED ● high
2001:7f8:f2:e1:0:21:937:1/128 Xiufeng Guo PEERINGDB ASSIGNED ● high
2a09:1::/48 Xiufeng Guo BGP ANNOUNCED ● high
2a11:1d40::/29 Xiufeng Guo RIPE ALLOCATED-BY-RIR ● high
2a11:1d40::/48 Xiufeng Guo BGP ANNOUNCED ● high
2a11:1d40:1::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d41::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d41:1::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d41:2::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d41:3::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d42::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d42:1::/48 Xiufeng Guo RIPE ASSIGNED ● high
2a11:1d42:2::/48 Xiufeng Guo RIPE ASSIGNED ● high

IPv6 ranges (13)

CIDR
2a11:1d40::/29
2a09:1::/48
2a11:1d40:1::/48
2a11:1d40::/48
2a11:1d41:1::/48
2a11:1d41:2::/48
2a11:1d41:3::/48
2a11:1d41::/48
2a11:1d42:1::/48
2a11:1d42:2::/48
2a11:1d42::/48
2001:7f8::3:37f9:0:1/128
2001:7f8:f2:e1:0:21:937:1/128

Footprint over time

16 weekly snapshots · JSON
21 0 netblocks since 2026-07-05
2026-07-05 peak 21 2026-10-11

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (21 of 21)
Possible discrepancies (3)

These blocks are registered to Xiufeng Guo but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a09:1::/48 /48 authorized for AS3258 — xTom Japan Corporation
2a09:1::/48 /48 authorized for AS3258 — xTom Japan Corporation
141.11.10.0/23 /23 authorized for AS61317 — Hivelocity LLC

NIC Handles

AR834 AS210937 AS210937 DUMY-RIPE DUMY-RIPE ORG-XG49-RIPE ORG-XG62-RIPE ORG-XG65-RIPE RIPE-NCC-HM-MNT netutils-mnt netutils-mnt sb +3 more