AS1921 RcodeZero Anycast DNS
General Info - AS1921
2,816
13,298,184,015,760,929,511,702,528
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 91.237.67.0/24 | 256 | |
| 185.80.188.0/24 | 256 | |
| 185.80.191.0/24 | 256 | |
| 185.102.12.0/24 | 256 | |
| 192.174.68.0/24 | 256 | |
| 193.46.128.0/24 | 256 | |
| 193.46.133.0/24 | 256 | |
| 193.46.134.0/24 | 256 | |
| 193.227.117.0/24 | 256 | |
| 194.0.25.0/24 | 256 | |
| 194.0.182.0/24 | 256 |
| Netblock | Number of IPs | |
|---|---|---|
| 2001:678:20::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2001:67c:1bc::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a02:850:ffe0::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a02:850:ffe5::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a02:850:ffe6::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a02:850:ffff::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a04:2b00:14cc::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a04:2b00:14ee::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a05:7f00:188::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a05:7f00:191::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2a0b:8e00::/48 | 1,208,925,819,614,629,174,706,176 |
Upstreams
- AS3303 Swisscom (Schweiz) AG
- AS3741 NTT Data Inc Infrastructure Solutions Core Mea
- AS5459 London Internet Exchange Ltd.
- AS6939 Hurricane Electric LLC
- AS12552 GlobalConnect AB
- AS20473 The Constant Company LLC
- AS29222 Infomaniak Network SA
- AS36236 NetActuate Inc
- AS37100 SEACOM Limited
- AS42473 Anexia Cloud Solutions GmbH
- AS42708 GleSYS AB
- AS44066 firstcolo GmbH
- AS49544 i3D.net B.V
- AS56655 Gigahost AS
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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