tianma

Registry
Cluster stats
Netblocks8 · 284 IPv4 addresses
All fragments 26 blocks across 11 clusters
Cluster ID211921792
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 18 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
8 0 netblocks since 2026-07-05
2026-07-05 peak 8 2026-07-19

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
116.228.10.184/30 TIANMA-CO APNIC ASSIGNED NON-PORTABLE ● high
116.236.166.104/29 TianMa APNIC ASSIGNED NON-PORTABLE ● high
113.57.146.0/24 tianma APNIC ASSIGNED NON-PORTABLE ● low
218.108.2.84/30 tianma APNIC ASSIGNED NON-PORTABLE ● low
218.108.3.132/30 tianma APNIC ASSIGNED NON-PORTABLE ● low
218.108.3.136/30 tianma APNIC ASSIGNED NON-PORTABLE ● low
218.108.62.172/30 tianma APNIC ASSIGNED NON-PORTABLE ● low
221.12.119.112/29 TIANMA APNIC ASSIGNED NON-PORTABLE ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (8 of 8)
Possible discrepancies (1)

These blocks are registered to tianma but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

113.57.146.0/24 /24 authorized for AS4837 — CNCGROUP IP network of ShangHai IDC

NIC Handles

AC1591-AP AC1718-AP JQ16-AP JQ16-AP MAINT-CHINANET-SH MAINT-CN-HZCNC MAINT-CNCGROUP-HB MAINT-CNCGROUP-ZJ WCR2-AP WCR2-AP WJ2544-AP WJ2544-AP +6 more