Tianhai InfoTech

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks34 · 768 IPv4 addresses
IPv6 32 prefixes (largest 2401:20::/32)
Registered in China (1) · United States (1)
Cluster ID213539291
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 20 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
36 -2 netblocks since 2026-07-05
2026-07-05 peak 38 2026-07-26

IP Ranges (34)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.9.11.0/24 Tianhai InfoTech BGP ANNOUNCED ● high
2401:20::/40 Tianhai InfoTech BGP ANNOUNCED ● high
2401:20:1330::/46 Tianhai InfoTech BGP ANNOUNCED ● high
2401:20:2104::/46 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e0::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e0::/46 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e0::/47 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e1::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e2::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e2::/47 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e4::/47 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e5::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:e0e8::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2406:840:eee5::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa06::/40 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d0::/47 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d0::/46 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d0::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d1::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d2::/47 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d2::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d4::/47 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d5::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0d8::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0de::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a0e:aa07:f0df::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a13:1800::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a13:1800:10::/48 Tianhai InfoTech BGP ANNOUNCED ● high
2a13:1800:80::/44 Tianhai InfoTech BGP ANNOUNCED ● high
2a13:1800:300::/44 Tianhai InfoTech BGP ANNOUNCED ● high
2a13:1802:c010::/44 Tianhai InfoTech Limited BGP ANNOUNCED ● high
103.150.172.0/23 Tianhai InfoTech APNIC ALLOCATED PORTABLE ● low
2401:20::/32 Tianhai InfoTech APNIC ALLOCATED PORTABLE ● low
2a13:1802:c000::/36 Tianhai InfoTech Limited RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (32)

showing the 15 largest allocations
CIDR
2401:20::/32
2a13:1802:c000::/36
2401:20::/40
2a0e:aa06::/40
2a13:1800:300::/44
2a13:1800:80::/44
2a13:1802:c010::/44
2401:20:1330::/46
2401:20:2104::/46
2406:840:e0e0::/46
2a0e:aa07:f0d0::/46
2406:840:e0e0::/47
2406:840:e0e2::/47
2406:840:e0e4::/47
2a0e:aa07:f0d0::/47

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.4% of checked blocks have valid RPKI ROA coverage (34 of 36)
Possible discrepancies (20)

These blocks are registered to Tianhai InfoTech 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.

2406:840:e0e0::/46 /46 authorized for AS14618 — Amazon.com, Inc.
2a0e:aa07:f0d0::/46 /46 authorized for AS8987 — Amazon Technologies Inc.
2406:840:e0e0::/47 /47 authorized for AS14618 — Amazon.com, Inc.
2406:840:e0e2::/47 /47 authorized for AS14618 — Amazon.com, Inc.
2406:840:e0e4::/47 /47 authorized for AS14618 — Amazon.com, Inc.
2a0e:aa07:f0d0::/47 /47 authorized for AS8987 — Amazon Technologies Inc.
2a0e:aa07:f0d2::/47 /47 authorized for AS8987 — Amazon Technologies Inc.
2a0e:aa07:f0d4::/47 /47 authorized for AS8987 — Amazon Technologies Inc.
2406:840:e0e0::/48 /48 authorized for AS14618 — Amazon.com, Inc.
2406:840:e0e1::/48 /48 authorized for AS14618 — Amazon.com, Inc.
2406:840:e0e2::/48 /48 authorized for AS14618 — Amazon.com, Inc.
2406:840:e0e5::/48 /48 authorized for AS14618 — Amazon.com, Inc.
2406:840:e0e8::/48 /48 authorized for AS14618 — Amazon.com, Inc.
2a0e:aa07:f0d0::/48 /48 authorized for AS8987 — Amazon Technologies Inc.
2a0e:aa07:f0d1::/48 /48 authorized for AS8987 — Amazon Technologies Inc.
+5 more — see the REST API

NIC Handles

APNIC-HM AS139216 AS4842 AS57175 AT938-AP AT947-AP DUMY-RIPE DUMY-RIPE Htroy-MNT MAINT-NBDHM-CN MAINT-TH-CN ORG-THIT2-RIPE +8 more