209.42.16.0/20 - BGP Prefix
IPv4RIPE NCCallocated RPKI Valid
CIDR
209.42.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
allocated
Allocated
1997-03-14
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| 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
16 more-specific announcementsMore Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 209.42.16.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.17.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.18.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.19.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.20.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.21.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.22.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.23.0/24 | AS51713 | 🇬🇧GB | assigned |
| 209.42.24.0/24 | AS36218 | 🇨🇦CA | assigned |
| 209.42.25.0/24 | AS36218 | 🇨🇦CA | assigned |
| 209.42.26.0/24 | AS209341 | 🇩🇪DE | assigned |
| 209.42.27.0/24 | AS204800 | 🇸🇬SG | assigned |
| 209.42.28.0/24 | AS199404 | 🇮🇳IN | assigned |
| 209.42.29.0/24 | AS211126 | 🇲🇽MX | assigned |
| 209.42.30.0/24 | AS211126 | 🇲🇽MX | assigned |
| 209.42.31.0/24 | AS209341 | 🇩🇪DE | assigned |
Transfer History
Registry transfers of 209.42.16.0/20, blocks inside it, or blocks containing it.
- 209.42.16.0/20Transfer ·
- 209.42.0.0/19inter-RIRTransfer ·
Geolocation
Country🇬🇧United KingdomGB
CityLondon
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/209.42.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.42.16.0/20" | jq
External Links