AS3491 is the autonomous system of PCCW Global (HK) Limited. It holds 339,712 IPv4 addresses in 110 prefixes plus 1 IPv6 ranges, mainly in 
Singapore.
By IPv4 addresses the network ranks #710 worldwide and #6 of 507 networks in Singapore. That is 1.7% of the country’s IPv4 space.
The network spreads across six or more countries: Singapore 61%, United States 34%, Hong Kong 3.1%.
The largest block is 212.212.128.0 to 212.212.255.255 with 32,768 addresses, geolocated to Singapore.
- IPv4 addresses
- 339,712
- IPv4 prefixes
- 110
- World rank
- #710
- Country share
- 1.7%
- IPv6 ranges
- 1
Addresses by country
- Singapore 61%
United States 34%
Hong Kong 3.1%
Japan 0.76%
United Kingdom 0.60%
South Korea 0.46%
Largest blocks
- 212.212.128.0 Singapore32,768
- 87.82.64.0 Singapore32,768
- 195.21.160.0 Singapore24,576
- 199.12.96.0 Ashburn16,384
- 82.110.160.0 Singapore16,384
- 208.22.129.0 Sterling16,128
- 208.21.65.0 Sterling16,128
- 208.20.65.0 Sterling16,128
Networks of similar size
340,992
339,200
338,688
337,152IPv4 prefixes
- 31.59.78.0/24
- 43.230.86.0/23
- 45.195.74.0/24
- 49.128.209.0/24
- 49.128.212.0/24
- 72.57.128.0/22
- 72.57.132.0/24
- 72.57.134.0/24
- 72.57.182.0/23
- 72.57.184.0/24
- 72.57.196.0/24
- 72.57.198.0/24
- 72.57.202.0/24
- 72.57.204.0/24
- 72.57.206.0/23
- 72.57.208.0/24
- 72.57.238.0/23
- 72.57.242.0/24
- 72.57.251.0/24
- 79.109.232.0/22
- 82.108.16.0/20
- 82.108.176.0/20
- 82.108.224.0/19
- 82.109.16.0/20
- 82.109.32.0/20
- 82.109.80.0/20
- 82.109.112.0/20
- 82.109.128.0/20
- 82.110.0.0/19
- 82.110.64.0/19
- 82.110.160.0/19
- 82.110.192.0/19
- 87.82.0.0/19
- 87.82.32.0/20
- 87.82.64.0/18
- 87.82.128.0/18
- 87.83.128.0/19
- 87.83.176.0/20
- 87.83.240.0/20
- 87.84.96.0/19
- 87.85.192.0/19
- 101.55.67.0/24
- 103.6.73.0/24
- 103.28.200.0/24
- 107.155.208.0/21
- 107.155.240.0/22
- 107.155.244.0/24
- 116.66.208.0/23
- 116.66.210.0/24
- 116.66.212.0/22
- 124.66.223.0/24
- 146.222.18.0/24
- 146.222.25.0/24
- 146.222.26.0/23
- 146.222.28.0/23
- 146.222.35.0/24
- 146.222.46.0/24
- 146.222.48.0/24
- 146.222.118.0/24
- 146.222.184.0/24
- 146.222.187.0/24
- 146.222.194.0/24
- 146.222.238.0/23
- 146.222.240.0/24
- 149.134.175.0/24
- 168.90.92.0/22
- 168.151.28.0/24
- 195.21.160.0/19
- 195.21.192.0/18
- 196.216.156.0/24
- 199.12.1.0/24
- 199.12.2.0/23
- 199.12.4.0/22
- 199.12.8.0/21
- 199.12.16.0/20
- 199.12.96.0/19
- 199.12.128.0/19
- 199.13.1.0/24
- 199.13.2.0/23
- 199.13.4.0/22
- 199.13.8.0/21
- 199.13.16.0/20
- 199.13.128.0/19
- 199.162.192.0/19
- 208.13.193.0/24
- 208.13.194.0/23
- 208.13.196.0/22
- 208.13.200.0/21
- 208.13.208.0/20
- 208.13.224.0/19
- 208.20.65.0/24
- 208.20.66.0/23
- 208.20.68.0/22
- 208.20.72.0/21
- 208.20.80.0/20
- 208.20.96.0/19
- 208.21.65.0/24
- 208.21.66.0/23
- 208.21.68.0/22
- 208.21.72.0/21
- 208.21.80.0/20
- 208.21.96.0/19
- 208.22.129.0/24
- 208.22.130.0/23
- 208.22.132.0/22
- 208.22.136.0/21
- 208.22.144.0/20
- 208.22.160.0/19
- 212.212.128.0/17
- 217.156.160.0/21
Questions and answers
Who owns AS3491?
Autonomous system AS3491 is operated by PCCW Global (HK) Limited.
How many IP addresses does AS3491 have?
The network holds 339,712 IPv4 addresses in 110 prefixes, plus 1 IPv6 ranges.
Which country is AS3491 in?
The main country is Singapore, with addresses in 5 more countries.
How big is AS3491?
By IPv4 addresses it ranks #710 worldwide.
What is the largest address block of AS3491?
212.212.128.0 to 212.212.255.255, 32,768 addresses.