AS43542
OptoNet-AS
======== TRANSIT UPSTREAM ========
Registry
Authoritative registration data
- AS number
- 43542
- Name
- OptoNet-AS
- Organisation
- ======== TRANSIT UPSTREAM ========
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
1
IPv6 prefixes
1
Total announced
2
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 78.156.128.0/19 | IPv4 | /19 | not checked | |
| 2a00:d940::/32 | IPv6 | /32 | not checked |
No rows match “”.
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Internet Exchanges
Exchanges where this network has a listed peering LAN connection
No Internet Exchange memberships found
The exchange directory has no current membership records for this AS.
Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS43542 in BGP paths by route collectors.
Observed upstreams
14 networks seen before AS43542 in AS paths
| Families | |||
|---|---|---|---|
| AS6855 SK-TELEKOM | 708 | 1,297 |
v4
v6
|
| AS6939 HURRICANE | 317 | 508 |
v4
v6
|
| AS16019 VODAFONE-CZ-AS | 178 | 214 |
v4
v6
|
| AS8218 NEO-ASN | 24 | 99 |
v4
v6
|
| AS14840 ASN14840 | 10 | 50 |
v4
v6
|
| AS1764 NEXTLAYER-AS | 12 | 45 |
v4
v6
|
| AS22356 ASN22356 | 25 | 41 |
v4
v6
|
| AS4455 BSO | 8 | 21 |
v4
v6
|
| AS6204 ZET-NET | 5 | 7 |
v4
|
| AS6663 TTI-NET | 4 | 6 |
v4
|
| AS44306 Omonia | 4 | 6 |
v4
|
| AS263444 ASN263444 | 4 | 6 |
v4
|
| AS21215 UGNI | 3 | 5 |
v4
|
| AS47200 NIXCZ-RS | 1 | 1 |
v4
|
No rows match “”.
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Observed downstreams
4 networks seen after AS43542 in AS paths
| Families | |||
|---|---|---|---|
| AS207945 CNI | 478 | 1,090 |
v4
v6
|
| AS202979 ngaservices | 318 | 544 |
v4
v6
|
| AS44104 LCJ-AS | 223 | 275 |
v4
|
| AS48091 ROWANet-AS | 4 | 8 |
v4
|
No rows match “”.
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Uncertain adjacencies
8 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 4 | 81 |
v4
v6
|
| AS51184 FONIRA | 4 | 18 |
v4
v6
|
| AS29504 LBCFREE | 5 | 10 |
v4
v6
|
| AS198150 SIACOM-AS | 5 | 10 |
v4
v6
|
| AS6881 NIXCZ | 4 | 9 |
v4
v6
|
| AS36236 NETACTUATE | 4 | 9 |
v4
v6
|
| AS40994 Alwyzon | 4 | 9 |
v4
v6
|
| AS49544 i3Dnet | 4 | 9 |
v4
v6
|
No rows match “”.
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