Nippon Telegraph and Telephone Corporation
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 20 · 139,520 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:fa8::/32) |
| All fragments | 39 blocks across 2 clusters |
| Cluster ID | 213598823 |
| Registry | APNIC |
| Customers | find 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 · report an issue | |
Footprint over time
6 weekly snapshots · JSON
22
0 netblocks since 2026-07-05
2026-07-05
peak 22
2026-07-26
IP Ranges (20)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 163.138.160.0/19 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.16.178.0/24 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.26.93.0/24 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.47.162.0/23 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.47.164.0/23 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.47.168.0/23 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.47.174.0/23 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.47.176.0/22 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 192.172.237.0/24 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 2001:fa8::/32 | Nippon Telegraph and Telephone Corporation | BGP | ANNOUNCED | ● high |
| 129.60.0.0/16 | Nippon Telegraph and Telephone Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 163.138.0.0/16 | Nippon Telegraph and Telephone Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 192.5.216.0/24 | Nippon Telegraph and Telephone Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 192.26.94.0/24 | Nippon Telegraph and Telephone Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 192.47.167.0/24 | Nippon Telegraph and Telephone Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 192.68.235.0/24 | Nippon Telegraph and Telephone Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 192.68.236.0/22 | Nippon Telegraph and Telephone Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 192.68.240.0/21 | Nippon Telegraph and Telephone Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 192.68.248.0/23 | Nippon Telegraph and Telephone Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 2001:df0:45::/48 | Nippon Telegraph and Telephone Corporation | APNIC | ASSIGNED PORTABLE | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: D
how networks compare →
27.3%
of checked blocks have valid RPKI ROA coverage
(6 of 22)
Possible discrepancies (3)
These blocks are registered to Nippon Telegraph and Telephone Corporation 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.
| 192.26.94.0/24 /24 | authorized for AS2511 — NTT Software Innovation Center |
| 192.5.216.0/24 /24 | authorized for AS2511 — NTT Software Innovation Center |
| 192.47.167.0/24 /24 | authorized for AS2511 — NTT Software Innovation Center |
NIC Handles
AN845-AP
APNIC-HM
AS173
AS4697
CIO2-AP
MAINT-JP-NTTECL-JP
NIC10-AP
ORG-NTAT1-AP
TF79-AP
TF79-AP