AS9255 Singapore Telecom
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 1.32.128.0/18 | 1.32.128.0 | 1.32.191.255 | 16,384 | |
| 27.114.192.0/18 | 27.114.192.0 | 27.114.255.255 | 16,384 | |
| 43.225.152.0/22 | 43.225.152.0 | 43.225.155.255 | 1,024 | |
| 101.234.0.0/22 | 101.234.0.0 | 101.234.3.255 | 1,024 | |
| 101.234.6.0/23 | 101.234.6.0 | 101.234.7.255 | 512 | |
| 101.234.8.0/23 | 101.234.8.0 | 101.234.9.255 | 512 | |
| 101.234.11.0/24 | 101.234.11.0 | 101.234.11.255 | 256 | |
| 101.234.14.0/23 | 101.234.14.0 | 101.234.15.255 | 512 | |
| 101.234.16.0/21 | 101.234.16.0 | 101.234.23.255 | 2,048 | |
| 101.234.24.0/23 | 101.234.24.0 | 101.234.25.255 | 512 | |
| 101.234.26.0/24 | 101.234.26.0 | 101.234.26.255 | 256 | |
| 101.234.29.0/24 | 101.234.29.0 | 101.234.29.255 | 256 | |
| 101.234.30.0/24 | 101.234.30.0 | 101.234.30.255 | 256 | |
| 101.234.35.0/24 | 101.234.35.0 | 101.234.35.255 | 256 | |
| 101.234.36.0/22 | 101.234.36.0 | 101.234.39.255 | 1,024 | |
| 101.234.41.0/24 | 101.234.41.0 | 101.234.41.255 | 256 | |
| 101.234.42.0/24 | 101.234.42.0 | 101.234.42.255 | 256 | |
| 101.234.44.0/22 | 101.234.44.0 | 101.234.47.255 | 1,024 | |
| 101.234.48.0/20 | 101.234.48.0 | 101.234.63.255 | 4,096 | |
| 103.44.112.0/22 | 103.44.112.0 | 103.44.115.255 | 1,024 | |
| 103.102.235.0/24 | 103.102.235.0 | 103.102.235.255 | 256 | |
| 111.92.192.0/19 | 111.92.192.0 | 111.92.223.255 | 8,192 | |
| 112.78.224.0/19 | 112.78.224.0 | 112.78.255.255 | 8,192 | |
| 115.31.224.0/19 | 115.31.224.0 | 115.31.255.255 | 8,192 | |
| 117.58.160.0/19 | 117.58.160.0 | 117.58.191.255 | 8,192 | |
| 118.201.12.0/22 | 118.201.12.0 | 118.201.15.255 | 1,024 | |
| 118.201.81.0/24 | 118.201.81.0 | 118.201.81.255 | 256 | |
| 119.42.192.0/19 | 119.42.192.0 | 119.42.223.255 | 8,192 | |
| 119.234.229.0/24 | 119.234.229.0 | 119.234.229.255 | 256 | |
| 119.234.230.0/23 | 119.234.230.0 | 119.234.231.255 | 512 | |
| 119.234.232.0/23 | 119.234.232.0 | 119.234.233.255 | 512 | |
| 119.234.238.0/23 | 119.234.238.0 | 119.234.239.255 | 512 | |
| 119.234.240.0/20 | 119.234.240.0 | 119.234.255.255 | 4,096 | |
| 122.200.28.0/24 | 122.200.28.0 | 122.200.28.255 | 256 | |
| 123.49.64.0/19 | 123.49.64.0 | 123.49.95.255 | 8,192 | |
| 123.49.96.0/19 | 123.49.96.0 | 123.49.127.255 | 8,192 | |
| 128.106.8.0/24 | 128.106.8.0 | 128.106.8.255 | 256 | |
| 128.106.9.0/24 | 128.106.9.0 | 128.106.9.255 | 256 | |
| 128.106.84.0/22 | 128.106.84.0 | 128.106.87.255 | 1,024 | |
| 128.106.156.0/23 | 128.106.156.0 | 128.106.157.255 | 512 | |
| 138.103.32.0/22 | 138.103.32.0 | 138.103.35.255 | 1,024 | |
| 143.223.80.0/24 | 143.223.80.0 | 143.223.80.255 | 256 | |
| 143.223.81.0/24 | 143.223.81.0 | 143.223.81.255 | 256 | |
| 144.46.124.0/24 | 144.46.124.0 | 144.46.124.255 | 256 | |
| 144.46.125.0/24 | 144.46.125.0 | 144.46.125.255 | 256 | |
| 151.192.0.0/21 | 151.192.0.0 | 151.192.7.255 | 2,048 | |
| 151.192.8.0/21 | 151.192.8.0 | 151.192.15.255 | 2,048 | |
| 151.192.16.0/21 | 151.192.16.0 | 151.192.23.255 | 2,048 | |
| 151.192.24.0/21 | 151.192.24.0 | 151.192.31.255 | 2,048 | |
| 151.192.32.0/21 | 151.192.32.0 | 151.192.39.255 | 2,048 | |
| 151.192.48.0/24 | 151.192.48.0 | 151.192.48.255 | 256 | |
| 157.234.216.0/24 | 157.234.216.0 | 157.234.216.255 | 256 | |
| 158.155.250.0/24 | 158.155.250.0 | 158.155.250.255 | 256 | |
| 180.255.29.0/24 | 180.255.29.0 | 180.255.29.255 | 256 | |
| 183.81.192.0/19 | 183.81.192.0 | 183.81.223.255 | 8,192 | |
| 183.81.231.0/24 | 183.81.231.0 | 183.81.231.255 | 256 | |
| 183.81.232.0/21 | 183.81.232.0 | 183.81.239.255 | 2,048 | |
| 183.81.240.0/20 | 183.81.240.0 | 183.81.255.255 | 4,096 | |
| 185.82.163.0/24 | 185.82.163.0 | 185.82.163.255 | 256 | |
| 194.124.188.0/24 | 194.124.188.0 | 194.124.188.255 | 256 | |
| 202.160.192.0/19 | 202.160.192.0 | 202.160.223.255 | 8,192 | |
| 202.163.32.0/19 | 202.163.32.0 | 202.163.63.255 | 8,192 | |
| 203.101.192.0/19 | 203.101.192.0 | 203.101.223.255 | 8,192 | |
| 203.125.128.0/24 | 203.125.128.0 | 203.125.128.255 | 256 | |
| 203.126.8.0/24 | 203.126.8.0 | 203.126.8.255 | 256 | |
| 203.126.130.0/24 | 203.126.130.0 | 203.126.130.255 | 256 | |
| 203.126.133.0/24 | 203.126.133.0 | 203.126.133.255 | 256 | |
| 203.126.134.0/24 | 203.126.134.0 | 203.126.134.255 | 256 | |
| 203.126.147.0/24 | 203.126.147.0 | 203.126.147.255 | 256 | |
| 203.127.3.0/24 | 203.127.3.0 | 203.127.3.255 | 256 | |
| 203.127.10.0/24 | 203.127.10.0 | 203.127.10.255 | 256 | |
| 203.127.31.0/24 | 203.127.31.0 | 203.127.31.255 | 256 | |
| 203.127.181.0/24 | 203.127.181.0 | 203.127.181.255 | 256 | |
| 203.127.201.0/24 | 203.127.201.0 | 203.127.201.255 | 256 | |
| 203.127.202.0/24 | 203.127.202.0 | 203.127.202.255 | 256 | |
| 206.221.40.0/24 | 206.221.40.0 | 206.221.40.255 | 256 | |
| 220.232.0.0/19 | 220.232.0.0 | 220.232.31.255 | 8,192 | |
| 220.232.32.0/20 | 220.232.32.0 | 220.232.47.255 | 4,096 | |
| 220.232.48.0/21 | 220.232.48.0 | 220.232.55.255 | 2,048 | |
| 220.232.56.0/24 | 220.232.56.0 | 220.232.56.255 | 256 | |
| 220.232.58.0/23 | 220.232.58.0 | 220.232.59.255 | 512 | |
| 220.232.60.0/22 | 220.232.60.0 | 220.232.63.255 | 1,024 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2001:c20:4849::/48 | 2001:c20:4849:: | 2001:c20:4849:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:485e::/48 | 2001:c20:485e:: | 2001:c20:485e:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:485f::/48 | 2001:c20:485f:: | 2001:c20:485f:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:486c::/48 | 2001:c20:486c:: | 2001:c20:486c:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4871::/48 | 2001:c20:4871:: | 2001:c20:4871:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4874::/48 | 2001:c20:4874:: | 2001:c20:4874:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:487e::/48 | 2001:c20:487e:: | 2001:c20:487e:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4884::/48 | 2001:c20:4884:: | 2001:c20:4884:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4887::/48 | 2001:c20:4887:: | 2001:c20:4887:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:488c::/48 | 2001:c20:488c:: | 2001:c20:488c:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:488d::/48 | 2001:c20:488d:: | 2001:c20:488d:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:488f::/48 | 2001:c20:488f:: | 2001:c20:488f:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4892::/48 | 2001:c20:4892:: | 2001:c20:4892:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4894::/48 | 2001:c20:4894:: | 2001:c20:4894:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:4895::/48 | 2001:c20:4895:: | 2001:c20:4895:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:489a::/48 | 2001:c20:489a:: | 2001:c20:489a:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48a0::/48 | 2001:c20:48a0:: | 2001:c20:48a0:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48a6::/48 | 2001:c20:48a6:: | 2001:c20:48a6:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48ae::/48 | 2001:c20:48ae:: | 2001:c20:48ae:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48af::/48 | 2001:c20:48af:: | 2001:c20:48af:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48b0::/48 | 2001:c20:48b0:: | 2001:c20:48b0:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48b8::/48 | 2001:c20:48b8:: | 2001:c20:48b8:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48c2::/48 | 2001:c20:48c2:: | 2001:c20:48c2:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48c4::/48 | 2001:c20:48c4:: | 2001:c20:48c4:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48c6::/48 | 2001:c20:48c6:: | 2001:c20:48c6:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48cc::/48 | 2001:c20:48cc:: | 2001:c20:48cc:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48d6::/48 | 2001:c20:48d6:: | 2001:c20:48d6:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48da::/48 | 2001:c20:48da:: | 2001:c20:48da:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48db::/48 | 2001:c20:48db:: | 2001:c20:48db:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48dc::/48 | 2001:c20:48dc:: | 2001:c20:48dc:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48e6::/48 | 2001:c20:48e6:: | 2001:c20:48e6:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48e7::/48 | 2001:c20:48e7:: | 2001:c20:48e7:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48e9::/48 | 2001:c20:48e9:: | 2001:c20:48e9:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48ea::/48 | 2001:c20:48ea:: | 2001:c20:48ea:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:48f0::/48 | 2001:c20:48f0:: | 2001:c20:48f0:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c816::/48 | 2001:c20:c816:: | 2001:c20:c816:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c819::/48 | 2001:c20:c819:: | 2001:c20:c819:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c81a::/48 | 2001:c20:c81a:: | 2001:c20:c81a:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c81d::/48 | 2001:c20:c81d:: | 2001:c20:c81d:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c81e::/48 | 2001:c20:c81e:: | 2001:c20:c81e:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c81f::/48 | 2001:c20:c81f:: | 2001:c20:c81f:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c824::/48 | 2001:c20:c824:: | 2001:c20:c824:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c825::/48 | 2001:c20:c825:: | 2001:c20:c825:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c826::/48 | 2001:c20:c826:: | 2001:c20:c826:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c827::/48 | 2001:c20:c827:: | 2001:c20:c827:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c831::/48 | 2001:c20:c831:: | 2001:c20:c831:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c835::/48 | 2001:c20:c835:: | 2001:c20:c835:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c839::/48 | 2001:c20:c839:: | 2001:c20:c839:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c83f::/48 | 2001:c20:c83f:: | 2001:c20:c83f:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c844::/48 | 2001:c20:c844:: | 2001:c20:c844:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c847::/48 | 2001:c20:c847:: | 2001:c20:c847:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c84e::/48 | 2001:c20:c84e:: | 2001:c20:c84e:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:c20:c856::/48 | 2001:c20:c856:: | 2001:c20:c856:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:df0:30f::/48 | 2001:df0:30f:: | 2001:df0:30f:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2407:e000::/32 | 2407:e000:: | 2407:e000:ffff:ffff:ffff:ffff:ffff:ffff | 79.23 Octillion |
Upstreams
Downstreams
- AS7734 Toronto Dominion Bank
- AS11521 ModusLink Corporation
- AS12222 Akamai Technologies Inc.
- AS16477 Nielsen Consumer LLC
- AS18402 National Library Board
- AS18723 Seagate Technology LLC
- AS19661 Susquehanna International Group LLP
- AS22717 Halliburton Company
- AS26685 Franklin Resources
- AS26940 Levi Strauss & Co.
- AS31747 Blackrock Financial Management Inc.
- AS53276 Tudor Investment Corporation
- AS55426 Amphenol FCI Asia Pte Ltd
- AS58562 5 Ang Mo Kio Street 62
- AS133134 Aion Technologies Pte Ltd
- AS133422 Aviva Asia Pte Ltd
- AS133456 Alagas Network Pte. Ltd.
- AS133728 Chubb Asia Pacific Pte Ltd
- AS134407 Mediacorp Pte Ltd
- AS137003 INSEAD
- AS137563 Flow Traders Asia Pte. Ltd.
- AS137904 Black & Veatch (SEA) Pte Ltd
- AS138458 NEC Asia Pacific Pte Ltd
- AS139617 Iseas Yusof Ishak Institute
- AS139895 Air Liquide Industrial Services Pte Ltd
- AS140939 Tenpage Pte Ltd
- AS142250 Oversea-Chinese Banking Corporation Limited
- AS203651 Credit Agricole Corporate and Investment Bank SA
- AS205080 Societe Internationale de Telecommunications Aeronautiques
- AS212581 SGX FX Systems UK Limited
- AS394977 Take-Two Interactive Software Inc.
- AS400696 Mibura Inc.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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