AS18183 National Center for Research on Earthquake Engineering
General Info - AS18183
5,632
158,456,325,028,528,675,187,087,900,672
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 61.56.0.0/22 | 1,024 | |
| 61.56.4.0/24 | 256 | |
| 61.56.5.0/24 | 256 | |
| 61.56.6.0/23 | 512 | |
| 61.56.8.0/21 | 2,048 | |
| 103.189.132.0/23 | 512 | |
| 202.5.12.0/22 | 1,024 |
| Netblock | Number of IPs | |
|---|---|---|
| 2001:4500::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2001:4500:1000::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2001:4500:1100::/41 | 154,742,504,910,672,534,362,390,528 | |
| 2001:4500:1180::/41 | 154,742,504,910,672,534,362,390,528 | |
| 2001:4500:1200::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2001:4500:1400::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2001:4500:1800::/37 | 2,475,880,078,570,760,549,798,248,448 | |
| 2001:4500:2000::/35 | 9,903,520,314,283,042,199,192,993,792 | |
| 2001:4500:4000::/34 | 19,807,040,628,566,084,398,385,987,584 | |
| 2001:4500:8000::/33 | 39,614,081,257,132,168,796,771,975,168 | |
| 2400:85a0::/32 | 79,228,162,514,264,337,593,543,950,336 |
Downstreams
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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