AS12303
Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet
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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: BIX
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 5.28.0.0/21 | 2.0K |
8.1%
|
Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet | HU | — | — |
| 5.28.0.0/22 | 1.0K |
13.0%
|
Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet | HU | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS12303 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 |
|---|---|---|
| 5.28.0.0/22 | 9,768 | 2026-08-02 14:40:48 |
Frequently Asked Questions
What is AS12303?
AS12303 is an Autonomous System Number assigned to Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet. 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 AS12303 announce?
AS12303 announces 2.0K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Hungary.
Who operates AS12303?
AS12303 is operated by Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet. The organization is based in Hungary. You can view all IP ranges and related ASNs on the organization page.
What country is AS12303 registered in?
AS12303 is registered in Hungary. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.