AS49528
Marcin Malolepszy @alfanet
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 1 internet exchange: EPIX.Katowice
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 31.42.0.0/20 | 4.1K |
92.0%
|
Marcin Malolepszy @alfanet | PL | Łódź Voivodeship | Radomsko |
| 185.19.116.0/22 | 1.0K |
93.9%
|
Marcin Malolepszy @alfanet | PL | Łódź Voivodeship | Paskrzyn |
| 195.88.28.0/23 | 512 |
100.0%
|
Marcin Malolepszy @alfanet | PL | — | — |
| 185.55.67.0/24 | 256 |
0.0%
|
Marcin Malolepszy @alfanet | PL | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS49528 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 |
|---|---|---|
| 31.42.0.0/20 | 8,316 | 2026-07-18 10:52:01 |
| 195.88.28.0/23 | 8,090 | 2026-07-18 10:52:41 |
| 185.55.67.0/24 | 7,924 | 2026-07-18 10:52:28 |
| 185.19.116.0/22 | 6,167 | 2026-07-18 10:51:59 |
| 195.88.28.210/32 | 26 | 2026-07-17 20:50:56 |
| 31.42.9.70/32 | 25 | 2026-07-11 05:55:32 |
| 31.42.9.64/32 | 25 | 2026-07-03 15:58:13 |
| 31.42.13.115/32 | 19 | 2026-07-10 21:57:52 |
| 31.42.0.146/32 | 18 | 2026-07-07 21:21:55 |
| 185.19.118.126/32 | 17 | 2026-07-10 23:02:44 |
| 31.42.10.118/32 | 17 | 2026-07-14 13:40:17 |
| 185.19.118.247/32 | 16 | 2026-07-09 21:50:18 |
| 31.42.0.133/32 | 14 | 2026-06-29 23:20:36 |
| 31.42.14.190/32 | 10 | 2026-07-15 10:09:12 |
| 185.19.119.225/32 | 9 | 2026-07-11 21:02:22 |
| 31.42.0.165/32 | 9 | 2026-06-04 19:30:58 |
| 31.42.1.112/32 | 8 | 2026-07-07 10:18:49 |
| 185.19.118.145/32 | 8 | 2026-06-14 14:59:34 |
| 31.42.9.67/32 | 8 | 2026-07-11 12:06:13 |
| 31.42.0.32/32 | 7 | 2026-07-05 11:28:41 |
| 31.42.14.114/32 | 6 | 2026-07-10 06:12:35 |
| 31.42.10.154/32 | 6 | 2026-07-08 20:27:48 |
| 31.42.8.58/32 | 6 | 2026-07-17 22:22:08 |
| 31.42.14.93/32 | 5 | 2026-06-04 15:26:42 |
| 31.42.12.153/32 | 4 | 2026-07-04 12:19:51 |
| 31.42.14.91/32 | 4 | 2026-07-13 21:34:30 |
| 31.42.14.238/32 | 4 | 2026-07-14 23:20:04 |
| 31.42.6.171/32 | 4 | 2026-07-01 18:16:24 |
| 31.42.12.96/32 | 4 | 2026-07-01 17:39:38 |
| 31.42.12.99/32 | 4 | 2026-07-17 17:45:35 |
| 31.42.0.185/32 | 4 | 2026-07-18 10:21:43 |
| 31.42.12.219/32 | 4 | 2026-06-16 11:15:19 |
| 31.42.14.14/32 | 4 | 2026-07-17 20:04:34 |
| 31.42.0.139/32 | 3 | 2026-06-28 22:32:48 |
| 185.19.118.143/32 | 3 | 2026-07-05 10:25:26 |
| 31.42.12.250/32 | 3 | 2026-07-04 09:57:33 |
| 31.42.1.224/32 | 2 | 2026-06-10 19:08:39 |
| 31.42.1.87/32 | 2 | 2026-07-14 09:55:35 |
| 31.42.10.73/32 | 2 | 2026-06-29 09:23:23 |
| 31.42.12.1/32 | 2 | 2026-05-28 19:10:04 |
| 31.42.10.2/32 | 2 | 2026-06-25 15:24:09 |
| 185.19.118.125/32 | 2 | 2026-06-24 02:00:54 |
| 31.42.14.115/32 | 2 | 2026-06-26 23:49:05 |
| 31.42.0.62/32 | 2 | 2026-06-16 15:35:20 |
| 31.42.0.200/32 | 2 | 2026-05-27 17:53:16 |
| 31.42.0.154/32 | 2 | 2026-06-08 21:41:24 |
| 185.19.118.118/32 | 2 | 2026-06-14 16:36:41 |
| 185.19.118.100/32 | 2 | 2026-06-12 22:31:49 |
| 185.19.118.149/32 | 2 | 2026-06-10 23:22:55 |
| 31.42.6.122/32 | 2 | 2026-07-09 22:53:54 |
Showing top 50 of 63 announced prefixes by sample volume.
Frequently Asked Questions
What is AS49528?
AS49528 is an Autonomous System Number assigned to Marcin Malolepszy @alfanet. 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 AS49528 announce?
AS49528 announces 5.9K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Poland.
Who operates AS49528?
AS49528 is operated by Marcin Malolepszy @alfanet. The organization is based in Poland. You can view all IP ranges and related ASNs on the organization page.
What country is AS49528 registered in?
AS49528 is registered in Poland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
