77.72.48.0/21
🇩🇰CIDR
77.72.48.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇩🇰 Denmark
City
Hørsholm
RIR
RIPENCC
Status
allocated
Allocated
1/19/2007
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 77.72.48.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.49.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.50.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.51.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.52.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.53.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.54.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
| 77.72.55.0/24 | AS42236ITM8-AS DTU Science Park a/s | No ROA | — | 5/30/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 77.72.48.0/23 | 🇩🇰DK | assigned | |
| 77.72.50.0/23 | 🇩🇰DK | assigned | |
| 77.72.55.0/24 | AS42236 | 🇩🇰DK | assigned |
| 77.72.53.0/24 | AS42236 | 🇩🇰DK | assigned |
| 77.72.52.0/24 | AS42236 | 🇩🇰DK | assigned |
| 77.72.54.0/24 | AS42236 | 🇩🇰DK | assigned |
Origin ASN
AS42236
ITM8-AS DTU Science Park a/s
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/77.72.48.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/77.72.48.0/21" | jq
External Links