5.28.0.0/21
🇭🇺IPv4RIPENCCallocatedAS12303ISZT-AS Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos EgyesuletNo ROA
CIDR
5.28.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇭🇺 Hungary
City
Budapest (XIII. kerület)
RIR
RIPENCC
Status
allocated
Allocated
5/8/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 5.28.0.0/21 | AS12303ISZT-AS Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet | No ROA | — | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 5.28.0.0/22 | AS12303ISZT-AS Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet | No ROA | — | 5/30/2026 |
| 5.28.5.0/24 | AS62214RACKFOREST-AS Rackforest Zrt. | No ROA | — | 5/30/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 5.28.5.0/24 | AS62214 | 🇭🇺HU | assigned |
| 5.28.3.0/24 | 🇭🇺HU | assigned | |
| 5.28.0.64/28 | 🇭🇺HU | assigned | |
| 5.28.0.0/28 | 🇭🇺HU | assigned | |
| 5.28.0.48/28 | 🇭🇺HU | assigned | |
| 5.28.0.32/28 | 🇭🇺HU | assigned | |
| 5.28.0.16/29 | 🇭🇺HU | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/5.28.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/5.28.0.0/21" | jq
External Links