Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
28,987,136 IP addresses
Network
| ASN | 4713 |
|---|---|
| Name | OCN NTT Communications Corporation |
| Organization | NTT Communications Corporation |
| Country | Japan |
| Registry | APNIC |
Details
| IPv4 addresses | 28,987,136 |
|---|---|
| IPv6 /64 networks | 242 |
| Prefixes | 244 |
Other ASN allocated to NTT Communications Corporation
| ASN | Name | IP addresses |
|---|---|---|
| 23779 | N-BONE NTT Communications Corporation | 98,304 |
| 38639 | HANABI NTT Communications Corporation | 11,776 |
| 18259 | HIGE NTT Communications Corporation | 10,240 |
| 37900 | CPF-NET NTT Communications Corporation | 2,560 |
| 24265 | AGILIT NTT Communications Corporation | 2,048 |
| 38629 | OKN NTT Communications Corporation | 1,792 |
| 7674 | GOFORS NTT Communications Corporation | 1,280 |
| 131155 | HANABI4 NTT Communications Corporation | 512 |
Prefixes for AS4713
IPv4 addresses - showing the first 20 of 227 networks
| Network | Location | Addresses | |
|---|---|---|---|
| 101.102.96.0/22 | NTT Communications Corporation |  Chuo Ward (Nakamachidori) |
1,024 |
| 101.50.60.0/22 | NTT Communications Corporation | Chuo Ward (Nakamachidori) |
1,024 |
| 101.53.104.0/21 | NTT Communications Corporation | Chuo Ward (Nakamachidori) |
2,048 |
| 103.198.160.0/22 | NTT Communications Corporation | Chuo Ward (Nakamachidori) |
1,024 |
| 103.208.96.0/22 | NTT Communications Corporation | Chuo Ward (Nakamachidori) |
1,024 |
| 103.211.116.0/24 | Japan-Pool-I | Chiyoda |
256 |
| 103.211.117.0/24 | Japan-Pool-I | Chiyoda |
256 |
| 103.55.156.0/24 | NTT Communications Corporation | Akita |
256 |
| 103.55.157.0/24 | NTT Communications Corporation | Akita |
256 |
| 103.55.158.0/24 | NTT Communications Corporation | Akita |
256 |
| 103.55.159.0/24 | NTT Communications Corporation | Akita |
256 |
| 114.144.0.0/12 | NTT Communications Corporation | Higashinada Ward |
1,048,576 |
| 114.160.0.0/11 | NTT Communications Corporation | Chiyoda |
2,097,152 |
| 118.0.0.0/12 | NTT Communications Corporation | Niigata |
1,048,576 |
| 118.16.0.0/13 | NTT Communications Corporation | Chiyoda |
524,288 |
| 119.161.104.0/21 | Nkjn | Toyooka-shi |
2,048 |
| 121.112.0.0/13 | NTT Communications Corporation | Chiyoda |
524,288 |
| 122.1.0.0/16 | Ocn | Chiyoda |
65,536 |
| 122.16.0.0/12 | NTT Communications Corporation | Chiyoda |
1,048,576 |
| 123.108.152.0/21 | NTT Communications Corporation | Chuo Ward (Nakamachidori) |
2,048 |
IPv6 addresses
| Network | Location | /64 Prefixes | |
|---|---|---|---|
| 2001:380::/32 | Ocn | Osaka |
232 |
| 2400:4000::/22 | NTT Communications Corporation | Osaka |
242 |
| 2400:7800:8100::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8200::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8300::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8400::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8500::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8600::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8700::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8800::/40 | Japan Network Information Center | Chiyoda |
224 |
| 2400:7800:8900::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8a00::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800:8b00::/40 | NTT Communications Corporation | Chiyoda |
224 |
| 2400:7800::/32 | NTT Communications Corporation | Chiyoda |
232 |
| 2404:3d00:4037:1000::/52 | NTT Communications Corporation |  Pyrmont |
212 |
| 2404:3d00:4037:2000::/52 | NTT Communications Corporation | Pyrmont |
212 |
| 2407:a800:3e12::/48 | Japan Network Information Center, MINISTRY OF DEFENSE | Chiyoda |
216 |
