31.129.112.0/21 - BGP Prefix
IPv4RIPE NCCassignedNo ROA
CIDR
31.129.112.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇳🇴 Norway
City
Oslo (Nordre Aker District)
RIR
RIPE NCC
Status
assigned
Allocated
2011-03-22
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.129.114.0/24 | AS42029 SA-Norway_AS SECTOR ALARM TECH AS | No ROA | - | 2026-10-11 |
| 31.129.115.0/24 | AS210942 sa-Sweden_AB SECTOR ALARM TECH AS | No ROA | - | 2026-10-11 |
| 31.129.116.0/24 | AS199169 SA-Finland_OY SECTOR ALARM TECH AS | No ROA | - | 2026-10-11 |
Transfer History
Registry transfers of 31.129.112.0/21, blocks inside it, or blocks containing it.
- 31.129.112.0/21Transfer ·
- 31.129.96.0/19Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 31.129.112.0/21 | Okey Plus Ltd. | Sector Alarm IT AS | Transfer | |
| 31.129.96.0/19 | Alfa Oil ltd. | Okey Plus Ltd. | Transfer |
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/31.129.112.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/31.129.112.0/21" | jq
External Links