AS38639
NTT Communications Corporation — ntt.com
Summary
| Country |
 Japan
|
| Organization | NTT Communications Corporation |
| Domain | ntt.com |
| Number of IPv4 | 13,312 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Business |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | November 06, 2020 (about 4 years ago) |
IP Ranges
AS38639 announces 4 IPv4 ranges and 1 IPv6 range.
That's a total of 13,312 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.2.128.0/22 |
NTT Communications Corporation
|
1,024 | JPNIC | |
| 115.69.224.0/21 |
NTT Communications Corporation
|
2,048 | JPNIC | |
| 163.138.224.0/19 |
Nippon Telegraph And Telephone Corporation
|
8,192 | APNIC | ALLOCATED PORTABLE |
| 220.150.192.0/21 |
NTT Communications Corporation
|
2,048 | JPNIC |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2402:c800::/32 |
NTT Communications Corporation
|
7.9228× 1028 | JPNIC |
Peers
AS38639 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS38639 connects to the global Internet via at least 2 upstream providers. In this setup, AS38639 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS38639 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.