201.4.8.0/21 - BGP Prefix
IPv4RIPEassigned RPKI Valid
CIDR
201.4.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Secaucus
RIR
RIPE
Status
assigned
Allocated
-
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
4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 201.4.8.0/24 | AS917 MISAKA - Misaka Network, Inc. | Invalid | - | 2026-10-11 |
| 201.4.10.0/23 | AS917 MISAKA - Misaka Network, Inc. | Valid | - | 2026-10-11 |
| 201.4.12.0/23 | AS917 MISAKA - Misaka Network, Inc. | Valid | - | 2026-10-11 |
| 201.4.14.0/23 | AS917 MISAKA - Misaka Network, Inc. | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 201.4.8.0/21 | AS23961 | /32 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 201.4.8.0/24 | AS917 | 🇺🇸US | assigned |
| 201.4.9.0/24 | 🇺🇸US | assigned | |
| 201.4.10.0/23 | AS917 | 🇺🇸US | assigned |
| 201.4.12.0/23 | AS917 | 🇺🇸US | assigned |
| 201.4.14.0/23 | AS917 | 🇺🇸US | assigned |
Transfer History
Registry transfers of 201.4.8.0/21, blocks inside it, or blocks containing it.
- 201.4.0.0/18inter-RIRTransfer ·
- 201.4.0.0/18inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 201.4.0.0/18inter-RIR | Transfer | |||
| 201.4.0.0/18inter-RIR | 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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/201.4.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/201.4.8.0/21" | jq
External Links