AS23855 Singapore Advanced Research and Education Network
General Info - AS23855
512
79,226,953,588,444,766,944,834,355,200
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 203.30.38.0/24 | 256 | |
| 203.30.39.0/24 | 256 |
| Netblock | Number of IPs | |
|---|---|---|
| 2001:df0:21a::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2401:c7c0::/47 | 2,417,851,639,229,258,349,412,352 | |
| 2401:c7c0:3::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2401:c7c0:4::/46 | 4,835,703,278,458,516,698,824,704 | |
| 2401:c7c0:8::/45 | 9,671,406,556,917,033,397,649,408 | |
| 2401:c7c0:10::/44 | 19,342,813,113,834,066,795,298,816 | |
| 2401:c7c0:20::/43 | 38,685,626,227,668,133,590,597,632 | |
| 2401:c7c0:40::/42 | 77,371,252,455,336,267,181,195,264 | |
| 2401:c7c0:80::/41 | 154,742,504,910,672,534,362,390,528 | |
| 2401:c7c0:100::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2401:c7c0:200::/44 | 19,342,813,113,834,066,795,298,816 | |
| 2401:c7c0:210::/45 | 9,671,406,556,917,033,397,649,408 | |
| 2401:c7c0:218::/47 | 2,417,851,639,229,258,349,412,352 | |
| 2401:c7c0:21b::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2401:c7c0:21c::/46 | 4,835,703,278,458,516,698,824,704 | |
| 2401:c7c0:220::/43 | 38,685,626,227,668,133,590,597,632 | |
| 2401:c7c0:240::/42 | 77,371,252,455,336,267,181,195,264 | |
| 2401:c7c0:280::/41 | 154,742,504,910,672,534,362,390,528 | |
| 2401:c7c0:300::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2401:c7c0:400::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2401:c7c0:800::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2401:c7c0:1000::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2401:c7c0:2000::/35 | 9,903,520,314,283,042,199,192,993,792 | |
| 2401:c7c0:4000::/34 | 19,807,040,628,566,084,398,385,987,584 | |
| 2401:c7c0:8000::/33 | 39,614,081,257,132,168,796,771,975,168 |
Downstreams
- AS293 ESnet
- AS4538 China Education and Research Network Center
- AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
- AS7660 Asia Pacific Advanced Network - Japan
- AS9264 Academia Sinica
- AS9270 National Infomation Society Agency
- AS9419 Nanyang Technological University
- AS9885 NKN Internet Gateway Network
- AS23767 A-STAR
- AS23864 Singapre Advance Research and Education Network - National Grid Office - IHPC
- AS24490 Trans-Eurasia Information Network (TEIN2) - SG
- AS38229 Lanka Education & Research Network NREN
- AS45259 Bruhaas (B) Sdn Bhd
- AS131475 Singapore Institute of Technology
- AS132398 Science and Engineering Institutes
- AS134148 Singaren
- AS137207 Joint Universities Computer Centre Limited
- AS206350 Oman Research and Education Network (Omren)
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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