AS17645 is the autonomous system of NTT Singapore Pte Ltd. It holds 76,544 IPv4 addresses in 12 prefixes plus 1 IPv6 ranges, mainly in 
Singapore.
By IPv4 addresses the network ranks #2,247 worldwide and #16 of 507 networks in Singapore. That is 0.38% of the country’s IPv4 space.
The largest block is 116.51.48.0 to 116.51.255.255 with 53,248 addresses, geolocated to Singapore (Kallang).
- IPv4 addresses
- 76,544
- IPv4 prefixes
- 12
- World rank
- #2,247
- Country share
- 0.38%
- IPv6 ranges
- 1
Addresses by country
- Singapore 100%
Largest blocks
- 116.51.48.0 Singapore (Kallang)53,248
- 202.136.160.0 Singapore (Kallang)8,192
- 58.65.14.0 Singapore (Queenstown Estate)4,608
- 116.51.0.0 Singapore (Kallang)4,096
- 58.65.0.0 Singapore (Kallang)3,328
- 116.51.32.0 Singapore (Queenstown Estate)2,048
- 175.28.8.0 Singapore (Kallang)1,024
Networks of similar size
- AS9762 kt HCN Co.,Ltd.
76,544 - AS13807 Great Plains Communications LLC
76,544 - AS15582 OJSC Comcor
76,544 - AS31148 Freenet LTD
76,544 - AS15499 Computacenter Management GmbH trading as Computacenter AG & Co.oHG
76,544 - AS199541 EUROCONTROL, the European Organisation for the Safety of Air Navigation
76,544 - AS8267 Academic Computer Centre CYFRONET AGH
76,544 - AS40509 Fly.io, Inc.76,288
IPv4 prefixes
Questions and answers
Who owns AS17645?
Autonomous system AS17645 is operated by NTT Singapore Pte Ltd.
How many IP addresses does AS17645 have?
The network holds 76,544 IPv4 addresses in 12 prefixes, plus 1 IPv6 ranges.
Which country is AS17645 in?
The main country is Singapore.
How big is AS17645?
By IPv4 addresses it ranks #2,247 worldwide.
What is the largest address block of AS17645?
116.51.48.0 to 116.51.255.255, 53,248 addresses.