AS28952
O2BSSK
O2 Business Services, a.s
Registry
Authoritative registration data
- AS number
- 28952
- Name
- O2BSSK
- Organisation
- O2 Business Services, a.s
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
9
IPv6 prefixes
2
Total announced
11
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 31.3.32.0/19 | IPv4 | /19 | not checked | |
| 37.152.96.0/19 | IPv4 | /19 | not checked | |
| 46.34.224.0/19 | IPv4 | /19 | RPKI valid | |
| 90.176.0.0/19 | IPv4 | /19 | RPKI valid | |
| 151.236.224.0/20 | IPv4 | /20 | RPKI valid | |
| 37.58.0.0/20 | IPv4 | /20 | not checked | |
| 185.103.144.0/22 | IPv4 | /22 | RPKI valid | |
| 91.191.80.0/22 | IPv4 | /22 | not checked | |
| 91.191.69.0/24 | IPv4 | /24 | not checked | |
| 2a06:2c40::/29 | IPv6 | /29 | RPKI valid | |
| 2a03:6947:1800::/40 | IPv6 | /40 | 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 | 200,000 Mbps | IPv4 · IPv6 |
| NIX.SK | 200,000 Mbps | IPv4 · IPv6 |
| Peering.cz | 400,000 Mbps | IPv4 · IPv6 |
| SIX.SK | 200,000 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 AS28952 in BGP paths by route collectors.
Observed upstreams
18 networks seen before AS28952 in AS paths
| Families | |||
|---|---|---|---|
| AS174 COGENT-174 | 869 | 3,492 |
v4
v6
|
| AS5610 O2-CZECH-REPUBLIC | 177 | 878 |
v4
v6
|
| AS6939 HURRICANE | 161 | 515 |
v4
v6
|
| AS31230 SIX-ROUTE-SERVERS | 82 | 334 |
v4
v6
|
| AS8218 NEO-ASN | 13 | 174 |
v4
v6
|
| AS3303 SWISSCOM | 34 | 143 |
v4
v6
|
| AS14840 ASN14840 | 12 | 95 |
v4
v6
|
| AS33891 CORE-BACKBONE | 16 | 66 |
v4
v6
|
| AS50629 LWLCOM | 12 | 49 |
v4
v6
|
| AS20562 OPEN-PEERING-AS | 8 | 41 |
v4
v6
|
| AS1764 NEXTLAYER-AS | 8 | 24 |
v4
v6
|
| AS4455 BSO | 4 | 17 |
v4
v6
|
| AS6204 ZET-NET | 4 | 15 |
v4
|
| AS13194 BITE | 4 | 15 |
v4
|
| AS22356 ASN22356 | 3 | 11 |
v4
v6
|
| AS9009 M247 | 1 | 9 |
v4
|
| AS6663 TTI-NET | 3 | 6 |
v4
|
| AS8220 COLT | 2 | 4 |
v4
|
No rows match “”.
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Observed downstreams
8 networks seen after AS28952 in AS paths
| Families | |||
|---|---|---|---|
| AS60715 LOMBARD | 260 | 1,336 |
v4
|
| AS25496 ZT-AS | 176 | 477 |
v4
v6
|
| AS204691 tipnet | 255 | 334 |
v4
|
| AS57414 EUSTREAM-AS | 253 | 334 |
v4
|
| AS205055 geetoo-sk | 119 | 154 |
v6
|
| AS60890 CENTRALNIC-ANYCAST-B | 45 | 97 |
v4
v6
|
| AS199330 CENTRALNIC-ANYCAST-A | 18 | 27 |
v4
v6
|
| AS49659 GTS-SKYTOLL-AS | 7 | 14 |
v4
|
No rows match “”.
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Uncertain adjacencies
18 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 4 | 187 |
v4
v6
|
| AS212483 level86 | 9 | 44 |
v4
v6
|
| AS47692 NESSUS | 10 | 42 |
v4
|
| AS49544 i3Dnet | 4 | 34 |
v4
v6
|
| AS51184 FONIRA | 4 | 34 |
v4
v6
|
| AS59890 Kabel-TV-Lampert | 4 | 34 |
v4
v6
|
| AS29504 LBCFREE | 10 | 28 |
v4
v6
|
| AS40994 Alwyzon | 9 | 25 |
v4
v6
|
| AS198150 SIACOM-AS | 9 | 22 |
v4
v6
|
| AS35369 LINZAG-TELEKOM-AS | 10 | 21 |
v4
|
| AS6881 NIXCZ | 7 | 20 |
v4
v6
|
| AS28917 Fiord-AS | 4 | 19 |
v4
v6
|
| AS3212 TELEMACH | 4 | 17 |
v4
v6
|
| AS6424 EDGOO | 4 | 17 |
v4
v6
|
| AS36236 NETACTUATE | 4 | 17 |
v4
v6
|
| AS37721 ORG-VTS1-AFRINIC | 4 | 17 |
v4
v6
|
| AS8529 OMANTEL-AS | 3 | 6 |
v6
|
| AS41327 FIBERTELECOM-AS | 1 | 2 |
v6
|
No rows match “”.
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