Dolphin operates AS4723: 22 IPv4 prefixes covering 23,808 addresses, most of them in 
Japan.
By IPv4 addresses the network ranks #5,595 worldwide and #242 of 848 networks in Japan. That is 0.01% of the country’s IPv4 space.
The largest block is 210.135.64.0 to 210.135.84.255 with 5,376 addresses, geolocated to Chiyoda City.
- IPv4 addresses
- 23,808
- IPv4 prefixes
- 22
- World rank
- #5,595
- Country share
- 0.01%
Addresses by country
- Japan 100%
Largest blocks
- 210.135.64.0 Chiyoda City5,376
- 61.122.78.0 Chiyoda City4,608
- 210.173.227.0 Chiyoda City3,584
- 210.135.86.0 Chiyoda City2,560
- 61.122.64.0 Chiyoda City2,560
- 210.173.244.0 Chiyoda City1,792
- 210.173.252.0 Chiyoda City1,024
- 175.100.208.0 Chiyoda City1,024
Networks of similar size
- AS9988 Myanma Post & Telecommunication
23,808 - AS54869 Rockman Communications, Inc.
23,808 - AS4638 Connect Internet Services
23,808 - AS53824 Liquid Web, L.L.C23,808
- AS396905 HomeWorks Connect23,808
- AS29600 AS "Latvenergo"
23,808 - AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd
23,808 - AS38193 TRANSWORLD ASSOCIATES (PVT) LIMITED
23,808
IPv4 prefixes
- 61.122.64.0/21
- 61.122.72.0/23
- 61.122.75.0/24
- 61.122.76.0/24
- 61.122.78.0/23
- 61.122.80.0/20
- 175.100.208.0/22
- 210.135.64.0/20
- 210.135.80.0/22
- 210.135.84.0/24
- 210.135.86.0/23
- 210.135.88.0/21
- 210.173.224.0/23
- 210.173.227.0/24
- 210.173.228.0/22
- 210.173.232.0/21
- 210.173.240.0/24
- 210.173.242.0/24
- 210.173.244.0/22
- 210.173.248.0/23
- 210.173.250.0/24
- 210.173.252.0/22
Questions and answers
Who owns AS4723?
Autonomous system AS4723 is operated by Dolphin.
How many IP addresses does AS4723 have?
The network holds 23,808 IPv4 addresses in 22 prefixes.
Which country is AS4723 in?
The main country is Japan.
How big is AS4723?
By IPv4 addresses it ranks #5,595 worldwide.
What is the largest address block of AS4723?
210.135.64.0 to 210.135.84.255, 5,376 addresses.