FPT Telecom Company operates AS18403: 25 IPv4 prefixes covering 1,422,080 addresses, most of them in 
Vietnam.
By IPv4 addresses the network ranks #274 worldwide and #3 of 529 networks in Vietnam. That is 8.5% of the country’s IPv4 space.
The network spreads across 2 countries: Vietnam 100%, United States 0.04%.
The largest block is 42.112.0.0 to 42.119.255.255 with 524,288 addresses, geolocated to Ho Chi Minh City.
- IPv4 addresses
- 1,422,080
- IPv4 prefixes
- 25
- World rank
- #274
- Country share
- 8.5%
- IPv6 ranges
- 1
Addresses by country
- Vietnam 100%
United States 0.04%
Largest blocks
- 42.112.0.0 Ho Chi Minh City524,288
- 118.68.0.0 Hanoi262,144
- 1.52.0.0 Go Vap262,144
- 58.186.0.0 Hanoi131,072
- 183.80.0.0 Ho Chi Minh City98,304
- 113.22.0.0 Hanoi98,304
- 210.245.0.0 Mai Dich32,768
- 203.191.8.0 Hanoi2,048
Networks of similar size
- AS27064 DoD Network Information Center1,455,360
- AS5713 Telkom SA Ltd.
1,442,560 - AS36926 Airtel Networks Kenya Limited
1,424,128 - AS210 Utah Education Network1,423,872
- AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom)
1,413,376 - AS140292 China Telecom
1,395,252 - AS36884 Wana Corporate
1,390,848 - AS13335 Cloudflare, Inc.
1,388,800
IPv4 prefixes
- 1.52.0.0/14
- 23.32.74.0/24
- 23.173.8.0/23
- 23.193.188.0/22
- 23.196.68.0/22
- 23.202.89.0/24
- 23.208.160.0/22
- 42.112.0.0/13
- 43.239.148.0/22
- 58.186.0.0/15
- 103.35.64.0/22
- 103.39.92.0/22
- 103.156.10.0/23
- 103.156.12.0/23
- 103.156.30.0/23
- 103.156.32.0/22
- 113.22.0.0/16
- 113.23.0.0/17
- 118.68.0.0/14
- 144.48.20.0/22
- 183.80.0.0/16
- 183.81.0.0/17
- 203.191.8.0/21
- 210.245.0.0/17
- 218.100.60.0/24
Questions and answers
Who owns AS18403?
Autonomous system AS18403 is operated by FPT Telecom Company.
How many IP addresses does AS18403 have?
The network holds 1,422,080 IPv4 addresses in 25 prefixes, plus 1 IPv6 ranges.
Which country is AS18403 in?
The main country is Vietnam, with addresses in 1 more countries.
How big is AS18403?
By IPv4 addresses it ranks #274 worldwide.
What is the largest address block of AS18403?
42.112.0.0 to 42.119.255.255, 524,288 addresses.