AS50121
Netmar Infrastruktura Sp. Z O.o.
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: EPIX.Warszawa, EPIX.Katowice
AS50121 — global IP footprint
Cities where AS50121 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 176.99.48.0/21 | 2.0K |
100.0%
|
NETMAR Mariusz Wator | PL | Lesser Poland | Liszki |
| 193.242.212.0/23 | 512 |
97.3%
|
NETMAR Mariusz Wator | PL | Mazovia | Szydłowiec |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS50121 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 193.242.212.0/23 | 22,921 | 2026-07-18 10:52:47 |
| 176.99.48.0/21 | 22,595 | 2026-07-18 10:52:47 |
| 193.242.212.218/32 | 83 | 2026-07-14 17:24:07 |
| 193.242.212.223/32 | 50 | 2026-07-17 21:40:23 |
| 193.242.212.189/32 | 46 | 2026-07-04 09:07:48 |
| 193.242.212.105/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.169/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.226/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.56/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.224/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.237/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.208/32 | 38 | 2026-07-17 20:50:53 |
| 193.242.212.52/32 | 37 | 2026-07-17 20:50:53 |
| 193.242.212.221/32 | 37 | 2026-07-17 20:50:53 |
| 193.242.212.130/32 | 36 | 2026-07-17 20:50:53 |
| 193.242.212.25/32 | 36 | 2026-07-17 06:23:10 |
| 176.99.51.66/32 | 35 | 2026-07-17 20:50:53 |
| 193.242.212.1/32 | 31 | 2026-07-18 07:40:05 |
| 193.242.212.192/32 | 31 | 2026-07-08 16:22:46 |
| 193.242.212.238/32 | 30 | 2026-07-18 03:29:35 |
| 193.242.212.195/32 | 29 | 2026-07-17 06:33:15 |
| 193.242.212.219/32 | 27 | 2026-07-17 02:35:09 |
| 193.242.212.214/32 | 27 | 2026-07-16 08:37:43 |
| 193.242.212.194/32 | 27 | 2026-07-17 12:27:43 |
| 193.242.212.9/32 | 26 | 2026-07-16 15:16:41 |
| 193.242.212.146/32 | 25 | 2026-07-15 01:54:46 |
| 193.242.212.240/32 | 25 | 2026-07-14 02:48:14 |
| 193.242.212.228/32 | 25 | 2026-07-11 02:23:33 |
| 193.242.212.249/32 | 24 | 2026-07-11 04:38:55 |
| 193.242.212.31/32 | 23 | 2026-07-13 07:23:32 |
| 193.242.212.193/32 | 22 | 2026-07-15 00:40:37 |
| 193.242.212.20/32 | 21 | 2026-07-16 08:24:25 |
| 193.242.212.190/32 | 20 | 2026-07-14 00:16:02 |
| 193.242.212.6/32 | 20 | 2026-07-11 02:23:56 |
| 193.242.212.251/32 | 20 | 2026-07-14 03:26:53 |
| 193.242.212.247/32 | 19 | 2026-07-11 19:56:19 |
| 193.242.212.225/32 | 19 | 2026-07-03 02:33:55 |
| 176.99.51.219/32 | 19 | 2026-07-01 01:05:22 |
| 193.242.212.207/32 | 19 | 2026-07-12 01:54:51 |
| 193.242.212.217/32 | 17 | 2026-07-11 04:59:52 |
| 193.242.212.167/32 | 16 | 2026-07-12 21:49:51 |
| 193.242.212.7/32 | 16 | 2026-07-18 00:18:57 |
| 193.242.212.216/32 | 15 | 2026-07-11 01:19:29 |
| 193.242.212.12/32 | 14 | 2026-07-15 22:18:06 |
| 193.242.212.157/32 | 14 | 2026-06-28 10:45:35 |
| 193.242.212.200/32 | 14 | 2026-07-09 09:34:45 |
| 193.242.212.84/32 | 14 | 2026-06-26 21:27:36 |
| 193.242.212.188/32 | 14 | 2026-07-13 17:42:36 |
| 193.242.212.196/32 | 14 | 2026-07-15 18:29:41 |
| 193.242.212.191/32 | 13 | 2026-07-11 16:29:32 |
Showing top 50 of 166 announced prefixes by sample volume.
Frequently Asked Questions
What is AS50121?
AS50121 is an Autonomous System Number assigned to Netmar Infrastruktura Sp. Z O.o.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS50121 announce?
AS50121 announces 2.6K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Poland.
Who operates AS50121?
AS50121 is operated by Netmar Infrastruktura Sp. Z O.o.. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS50121 registered in?
AS50121 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
