NTT Communications Corporation

AS 4713 OCN

NTT Communications Corporation

AS 4713 OCN


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.

  28,909,056 IP addresses

  Network
ASN4713
NameOCN
OrganizationNTT Communications Corporation
CountryJapan  
RegistryAPNIC


  Details
IPv4 addresses28,909,056
IPv6 /64 networks242
Prefixes227


  Other ASN allocated to NTT Communications Corporation
ASN Name IP addresses
23779 N-BONE 98,304
38639 HANABI 11,776
18259 HIGE 9,984
24265 Agilit 2,048
37900 CPF-NET 2,048
38629 OKN 1,536
7674 GOFORS 1,280
131155 HANABI4 1,024


  Prefixes for AS4713
IPv4 addresses - showing the first 20 of 221 networks
Network Location Addresses
NTT Communications Corporation   Kobe 1,024
NTT Communications Corporation   Kobe (Nakamachidori) 2,048
NTT Communications Corporation   Sendai 1,024
Japan-Pool-I   Chiyoda 256
Japan-Pool-I   Chiyoda 256
NTT Communications Corporation   Akita (Sangoden) 256
NTT Communications Corporation   Akita (Sangoden) 256
NTT Communications Corporation   Kakogawa 1,048,576
NTT Communications Corporation   Osaka 2,097,152
Open Computer Network   Uonuma 1,048,576
NTT Communications Corporation   Osaka 524,288
Nkjn   Toyooka-shi 2,048
NTT Communications Corporation   Chiyoda 524,288
NTT Communications Corporation   Chiyoda 65,536
NTT Communications Corporation   Akita 1,048,576
NTT Communications Corporation   Funabashi 524,288
NTT Communications Corporation   Chiyoda (Marunouchi) 262,144
NTT Communications Corporation   Ishige 262,144
NTT Communications Corporation   Nakagawa (Chu) 524,288
NTT Communications Corporation   Chiyoda (Marunouchi) 65,536

IPv6 addresses
Network Location /64 Prefixes
NTT Communications Corporation   Chiyoda 232
NTT Communications Corporation   Osaka 242
NTT Communications Corporation   Chiyoda 232
NTT Communications Corporation   Chiyoda 212
NTT Communications Corporation   Chiyoda 212
Ministry of Defense   Chiyoda 216