AS20723
MGI
CZ.MGI autonomous system, Czech Republic
Registry
Authoritative registration data
- AS number
- 20723
- Name
- MGI
- Organisation
- CZ.MGI autonomous system, Czech Republic
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
7
IPv6 prefixes
1
Total announced
8
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 217.112.160.0/20 | IPv4 | /20 | not checked | |
| 217.115.240.0/20 | IPv4 | /20 | not checked | |
| 131.117.208.0/21 | IPv4 | /21 | not checked | |
| 178.20.136.0/21 | IPv4 | /21 | not checked | |
| 79.170.248.0/21 | IPv4 | /21 | not checked | |
| 185.111.96.0/22 | IPv4 | /22 | not checked | |
| 185.84.232.0/22 | IPv4 | /22 | not checked | |
| 2a00:6500::/29 | IPv6 | /29 | RPKI valid |
No rows match “”.
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Internet Exchanges
Exchanges where this network has a listed peering LAN connection
| Address families | ||
|---|---|---|
| NIX.CZ: Public peering VLAN | 25,000 Mbps | IPv4 · IPv6 |
No rows match “”.
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Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS20723 in BGP paths by route collectors.
Observed upstreams
11 networks seen before AS20723 in AS paths
| Families | |||
|---|---|---|---|
| AS3257 GTT-BACKBONE | 209 | 966 |
v4
v6
|
| AS30058 FDCSERVERS | 199 | 938 |
v4
v6
|
| AS47232 ISPAlliance | 411 | 809 |
v4
v6
|
| AS6939 HURRICANE | 21 | 126 |
v4
|
| AS8218 NEO-ASN | 6 | 92 |
v4
v6
|
| AS1764 NEXTLAYER-AS | 4 | 37 |
v4
v6
|
| AS16019 VODAFONE-CZ-AS | 18 | 36 |
v4
v6
|
| AS4455 BSO | 2 | 9 |
v4
v6
|
| AS286 KPN | 2 | 8 |
v4
v6
|
| AS6204 ZET-NET | 1 | 7 |
v4
|
| AS6663 TTI-NET | 1 | 7 |
v4
|
No rows match “”.
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Observed downstreams
2 networks seen after AS20723 in AS paths
| Families | |||
|---|---|---|---|
| AS204405 DurnetCZ | 248 | 357 |
v6
|
| AS2852 CESNET2 | 62 | 81 |
v4
v6
|
No rows match “”.
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Uncertain adjacencies
7 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 2 | 68 |
v4
v6
|
| AS49544 i3Dnet | 2 | 18 |
v4
v6
|
| AS51184 FONIRA | 2 | 18 |
v4
v6
|
| AS6881 NIXCZ | 2 | 9 |
v4
v6
|
| AS29504 LBCFREE | 2 | 9 |
v4
v6
|
| AS36236 NETACTUATE | 2 | 9 |
v4
v6
|
| AS40994 Alwyzon | 2 | 9 |
v4
v6
|
No rows match “”.
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