AS39790
WEB4U
===================================================================
Registry
Authoritative registration data
- AS number
- 39790
- Name
- WEB4U
- Organisation
- ===================================================================
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
5
IPv6 prefixes
3
Total announced
8
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 81.91.80.0/20 | IPv4 | /20 | not checked | |
| 81.91.80.0/21 | IPv4 | /21 | not checked | |
| 81.91.88.0/21 | IPv4 | /21 | not checked | |
| 185.14.224.0/22 | IPv4 | /22 | not checked | |
| 185.14.224.0/23 | IPv4 | /23 | not checked | |
| 2001:1568::/32 | IPv6 | /32 | RPKI valid | |
| 2001:1568:8000::/33 | IPv6 | /33 | RPKI valid | |
| 2001:1568::/33 | IPv6 | /33 | 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 FENIX: FENIX VLAN | 20,000 Mbps | IPv4 · IPv6 |
| NIX.CZ: Public peering VLAN | 20,000 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 AS39790 in BGP paths by route collectors.
Observed upstreams
12 networks seen before AS39790 in AS paths
| Families | |||
|---|---|---|---|
| AS199803 ComSource | 399 | 1,407 |
v4
v6
|
| AS25248 BlueTone-AS | 164 | 396 |
v4
v6
|
| AS6939 HURRICANE | 212 | 332 |
v4
v6
|
| AS8218 NEO-ASN | 5 | 26 |
v4
v6
|
| AS22356 ASN22356 | 7 | 14 |
v4
|
| AS14840 ASN14840 | 2 | 10 |
v4
|
| AS4455 BSO | 2 | 6 |
v4
|
| AS1764 NEXTLAYER-AS | 1 | 3 |
v4
v6
|
| AS6204 ZET-NET | 1 | 2 |
v4
|
| AS6663 TTI-NET | 1 | 2 |
v4
|
| AS47200 NIXCZ-RS | 1 | 2 |
v4
|
| AS263444 ASN263444 | 1 | 2 |
v4
|
No rows match “”.
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Observed downstreams
0 networks seen after AS39790 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.
Uncertain adjacencies
8 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 1 | 25 |
v4
v6
|
| AS51184 FONIRA | 1 | 6 |
v4
v6
|
| AS6881 NIXCZ | 1 | 3 |
v4
v6
|
| AS29504 LBCFREE | 1 | 3 |
v4
v6
|
| AS36236 NETACTUATE | 1 | 3 |
v4
v6
|
| AS40994 Alwyzon | 1 | 3 |
v4
v6
|
| AS49544 i3Dnet | 1 | 3 |
v4
v6
|
| AS198150 SIACOM-AS | 1 | 2 |
v4
|
No rows match “”.
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