NTTMSC
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 14 · 2,448 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2402:1a80:dc01::/48) |
| Also registered under this name | 16 netblocks across 3 separate records |
| Record ID | 240794215 |
| Registry | APNIC |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (14)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 43.231.224.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 43.231.225.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 43.231.226.192/26 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 43.231.227.0/28 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.115.220.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.115.221.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.115.222.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.115.223.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.51.48.192/26 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.51.49.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.51.50.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.51.51.0/24 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2402:1a80:dc01::/48 | NTTMSC | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2402:1a80:dc01:2::40/125 | NTTMSC | APNIC | ASSIGNED NON-PORTABLE | ● low |
IPv6 ranges (2)
Footprint over time
12 weekly snapshots · JSON
14
0 netblocks since 2026-07-05
2026-07-05
peak 14
2026-09-13
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(14 of 14)
Possible discrepancies (10)
These blocks are registered to NTTMSC 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.
| 2402:1a80:dc01::/48 /48 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 103.51.50.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 103.51.51.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 103.51.49.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 45.115.220.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 45.115.221.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 45.115.222.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 45.115.223.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 43.231.224.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
| 43.231.225.0/24 /24 | authorized for AS10204 — NTT MSC Sdn Bhd |
NIC Handles
AN638-AP
MAINT-NMSBM-MY
NDEI2-AP
NDEI2-AP
NMSB1-AP
NMSB1-AP