AS8251
NFX_ZSPO
NFX, z.s.p.o., also known as FreeTel, s.r.o.
Registry
Authoritative registration data
- AS number
- 8251
- Name
- NFX_ZSPO
- Organisation
- NFX, z.s.p.o., also known as FreeTel, s.r.o.
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
6
IPv6 prefixes
1
Total announced
7
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 212.79.96.0/20 | IPv4 | /20 | RPKI valid | |
| 31.47.96.0/20 | IPv4 | /20 | not checked | |
| 78.108.96.0/20 | IPv4 | /20 | not checked | |
| 81.201.48.0/21 | IPv4 | /21 | RPKI valid | |
| 81.201.56.0/21 | IPv4 | /21 | not checked | |
| 185.99.64.0/22 | IPv4 | /22 | not checked | |
| 2a01:490::/32 | IPv6 | /32 | 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 |
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 AS8251 in BGP paths by route collectors.
Observed upstreams
12 networks seen before AS8251 in AS paths
| Families | |||
|---|---|---|---|
| AS1299 TWELVE99 | 2,508 | 7,217 |
v4
v6
|
| AS29208 QUANTCOM-AS | 1,810 | 5,701 |
v4
v6
|
| AS6939 HURRICANE | 1,069 | 1,951 |
v4
v6
|
| AS8218 NEO-ASN | 76 | 476 |
v4
v6
|
| AS16019 VODAFONE-CZ-AS | 114 | 361 |
v4
v6
|
| AS14840 ASN14840 | 38 | 285 |
v4
v6
|
| AS4455 BSO | 34 | 115 |
v4
v6
|
| AS6204 ZET-NET | 18 | 43 |
v4
|
| AS6663 TTI-NET | 16 | 37 |
v4
|
| AS1764 NEXTLAYER-AS | 14 | 34 |
v4
v6
|
| AS22356 ASN22356 | 21 | 28 |
v4
v6
|
| AS263444 ASN263444 | 2 | 3 |
v4
|
No rows match “”.
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Observed downstreams
16 networks seen after AS8251 in AS paths
| Families | |||
|---|---|---|---|
| AS49095 P12com | 1,467 | 3,595 |
v4
v6
|
| AS57707 GREENDATA | 611 | 2,856 |
v4
v6
|
| AS198813 SychrovNET | 530 | 1,560 |
v4
v6
|
| AS201608 HovNet-AS | 325 | 1,113 |
v4
v6
|
| AS34596 HVfree | 321 | 1,113 |
v4
v6
|
| AS12984 PILSFREE | 630 | 1,106 |
v4
v6
|
| AS41670 HKFREE-AS | 318 | 833 |
v4
v6
|
| AS198977 UNART | 317 | 833 |
v4
v6
|
| AS59984 KLFREE-NETWORKS | 214 | 574 |
v4
v6
|
| AS51331 ModernTV | 69 | 471 |
v4
|
| AS51400 ASSPOJENET | 219 | 296 |
v4
v6
|
| AS214224 CESKASITNET | 229 | 280 |
v4
|
| AS62099 JMNET | 57 | 267 |
v4
v6
|
| AS59747 NIX-DR | 128 | 202 |
v4
v6
|
| AS196843 KHNET | 47 | 124 |
v4
|
| AS31349 a-net | 90 | 105 |
v6
|
No rows match “”.
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Uncertain adjacencies
9 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS24482 SGGS-AS-AP | 19 | 519 |
v4
v6
|
| AS51184 FONIRA | 18 | 106 |
v4
v6
|
| AS6881 NIXCZ | 20 | 65 |
v4
v6
|
| AS36236 NETACTUATE | 20 | 64 |
v4
v6
|
| AS40994 Alwyzon | 20 | 64 |
v4
v6
|
| AS29504 LBCFREE | 19 | 60 |
v4
v6
|
| AS198150 SIACOM-AS | 19 | 57 |
v4
v6
|
| AS49544 i3Dnet | 18 | 53 |
v4
v6
|
| AS202297 SKYLON | 17 | 42 |
v4
|
No rows match “”.
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