Bayer Pte Ltd
Bayer (South East Asia) Pte Ltd
BGP inherited
Cluster stats
Netblocks19
All fragments 215 blocks across 35 clusters
Cluster ID191769992
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
19 0 netblocks since 2026-07-05
2026-07-05 peak 19 2026-07-06

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.247.199.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.128.0/18 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.132.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.134.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.184.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.185.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.187.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.188.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.189.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
149.234.190.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
203.89.150.0/24 Bayer (South East Asia) Pte Ltd BGP ANNOUNCED ● high
103.247.199.0/24 Bayer (South East Asia) Pte Ltd APNIC ASSIGNED PORTABLE ● medium
203.89.150.0/24 Bayer (South East Asia) Pte Ltd APNIC ASSIGNED PORTABLE ● medium
149.234.128.0/19 Bayer (South East Asia) Pte Ltd APNIC ALLOCATED PORTABLE ● low
149.234.160.0/20 Bayer (South East Asia) Pte Ltd APNIC ALLOCATED PORTABLE ● low
149.234.176.0/21 Bayer (South East Asia) Pte Ltd APNIC ALLOCATED PORTABLE ● low
149.234.184.0/23 Bayer (South East Asia) Pte Ltd APNIC ALLOCATED PORTABLE ● low
149.234.187.0/24 Bayer (South East Asia) Pte Ltd APNIC ALLOCATED PORTABLE ● low
2001:df1:5d00::/48 Bayer (South East Asia) Pte Ltd APNIC ASSIGNED PORTABLE ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
68.4% of checked blocks have valid RPKI ROA coverage (13 of 19)
Possible discrepancies (6)

These blocks are registered to Bayer (South East Asia) Pte Ltd but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

149.234.187.0/24 /24 authorized for AS1221 — Telstra Limited
149.234.185.0/24 /24 authorized for AS17675 — Internap Japan Co., LTD.
149.234.187.0/24 /24 authorized for AS1221 — Telstra Limited
149.234.188.0/24 /24 authorized for AS2497 — Internet Initiative Japan Inc.
149.234.189.0/24 /24 authorized for AS1221 — Telstra Limited
149.234.190.0/24 /24 authorized for AS17675 — Internap Japan Co., LTD.

NIC Handles

AC1912-AP APNIC-HM AS140610 AS141364 AS141367 AS141435 BSEA1-AP BSEA1-AP MAINT-CNB-SG ORG-BEAP1-AP