Data as of Nov 3, 2026
5.28.0.0/22
No anonymizer space · no proxy exits in 30 daysMagyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet · space held by ISZT INTERNET SZOLGALTATOK Halozati Koordinacios Kozpontja Nonprofit KFT.
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 5.28.0.0/21 | 2,048 | HU-ISZT-20120508 | ISZT INTERNET SZOLGALTATOK Halozati Koordinacios Kozpontja Nonprofit KFT. (ORG-IISH1-RIPE) · HU | ALLOCATED PA | May 8, 2012 | [email protected] |
| └ 5.28.0.0/28 | 16 | ISZT-NONPROFIT-KFT | ISZT Nonprofit Kft. | ASSIGNED PA | May 8, 2012 | [email protected] via HU-ISZT-20120508 |
| └ 5.28.0.16/29 | 8 | ISZT-RIPE-ATLAS-ANCHOR | Council of Hungarian Internet Providers (CHIP) - RIPE Atlas Anchor Probe | ASSIGNED PA | Jan 13, 2014 | [email protected] via HU-ISZT-20120508 |
| └ 5.28.0.32/28 | 16 | ISZT-NONPROFIT-KFT-backbone | unknown | ASSIGNED PA | Mar 4, 2019 | [email protected] via HU-ISZT-20120508 |
| └ 5.28.0.48/28 | 16 | ISZT-NONPROFIT-KFT-DMZ | unknown | ASSIGNED PA | Mar 4, 2019 | [email protected] via HU-ISZT-20120508 |
| └ 5.28.0.64/28 | 16 | STRATUM-1-NTP | unknown | ASSIGNED PA | Jun 17, 2021 | [email protected] via HU-ISZT-20120508 |
| └ 5.28.3.0/24 | 256 | ISZT-NONPROFIT-KFT-SERVICES | unknown | ASSIGNED PA | Mar 4, 2019 | [email protected] via HU-ISZT-20120508 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,008 | 98% | 2 | |
| Business | 16 | 1.6% | 1 |
Network & registry
Origin network
AS12303
HU
- Name
- Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet
- Type
- Internet provider
- Registered
- Jun 14, 2005
- Domain
- domain.hu
- Website
- www.domain.hu/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2026
- Current origin since
- Apr 2026 · 7 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12303 | RIPE | ISZT Nonprofit Kft. | ISZT-MNT | Apr 17, 2026 |
Whois
Registration for this announcement
- Range
- 5.28.0.0/21
- Netname
- HU-ISZT-20120508
- Registrant
- ISZT INTERNET SZOLGALTATOK Halozati Koordinacios Kozpontja Nonprofit KFT.
- Registrant country
- HU
- Organization
- ISZT INTERNET SZOLGALTATOK Halozati Koordinacios Kozpontja Nonprofit KFT. (ORG-IISH1-RIPE)
- Org country
- HU
- Type
- ALLOCATED PA
- Created
- May 8, 2012
- Updated
- May 30, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- HU
- Delegated
- May 8, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ISZT ABUSE
- Handle
- IA3309-RIPE