ＮＴＴ株式会社
NTT Communications Corporation (OCN)
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
8 linked clusters ·
5,244 netblocks ·
42,849,872 IPv4 addresses ·
468 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
353800VHQU5VIXVUA841
Registered name
ＮＴＴ株式会社
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 14 |
| IPv6 | 7 prefixes (largest 2001:200:0:fe00::1269:0/128) |
| Cluster ID | 214581586 |
| Registry | PEERINGDB |
| Owner jurisdiction | JP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 353800VHQU5VIXVUA841 |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
14
0 netblocks since 2026-07-05
2026-07-05
peak 14
2026-07-26
IP Ranges (14)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 202.249.2.131/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 210.173.176.45/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 210.173.176.46/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 210.173.177.30/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 210.173.177.31/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 210.173.184.18/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 210.173.184.27/32 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:200:0:fe00::1269:0/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::4713:1/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::4713:2/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::4713:7/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::4713:8/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:2::4713:1/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:2::4713:2/128 | NTT Communications Corporation (OCN) | PEERINGDB | ASSIGNED | ● high |
IPv6 ranges (7)
Corporate group (8 confirmed entities)
+905 additional unconfirmed candidates not shown — full list (JSON)- Dimension Data 2,052 blocks
- NTT America, Inc. 1,669 blocks
- NTT DOCOMO, INC. 1,298 blocks
- NTT DOCOMO BUSINESS, Inc. 218 blocks
- NTT Communications Corporation 109 blocks
- NTT DATA CORPORATION 59 blocks
- itelligence AG 42 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(14 of 14)
No discrepancies found among checked blocks.
NIC Handles
AS4713