31.207.0.0/21 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
31.207.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Burlingame (Downtown)
Status
not announced
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
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.207.0.0/24 | AS400297 XAI - X.AI | No ROA | - | 2026-10-11 |
| 31.207.1.0/24 | AS400400 CLAIR - Clair Global | Valid | - | 2026-10-11 |
| 31.207.2.0/23 | AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | - | 2026-10-11 |
| 31.207.4.0/24 | AS43180 TRUNKNETWORKS-AS Trunk Networks LTD | Valid | - | 2026-10-11 |
| 31.207.5.0/24 | AS213459 SNOWD Snowd Security OU | Valid | - | 2026-10-11 |
| 31.207.6.0/24 | AS200658 CoreCloud CoreCloud Systems Ltd | Valid | - | 2026-10-11 |
| 31.207.7.0/24 | AS213702 QWINS-LTD QWINS LTD | Invalid | - | 2026-10-11 |
| 31.207.7.0/24 | AS218731 Andris-Jakovlevs Andris Jakovlevs | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 31.207.0.0/24 | AS400297 | 🇺🇸US | allocated |
| 31.207.1.0/24 | AS400400 | 🇺🇸US | allocated |
| 31.207.2.0/23 | AS8075 | 🇨🇦CA | allocated |
| 31.207.4.0/22 | 🇦🇪AE | allocated | |
| 31.207.4.0/24 | AS43180 | 🇺🇸US | assigned |
| 31.207.5.0/24 | AS213459 | 🇫🇮FI | assigned |
| 31.207.7.0/24 | AS213702 | 🇸🇪SE | assigned |
Transfer History
Registry transfers of 31.207.0.0/21, blocks inside it, or blocks containing it.
- 31.207.4.0/22inter-RIRTransfer ·
- 31.207.2.0/23Transfer ·
- 31.207.0.0/24Transfer ·
- 31.207.1.0/24Transfer ·
- 31.207.0.0/21M&A ·
- 31.207.0.0/21inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 31.207.4.0/22inter-RIR | Transfer | |||
| 31.207.2.0/23 | Transfer | |||
| 31.207.0.0/24 | Transfer | |||
| 31.207.1.0/24 | Transfer | |||
| 31.207.0.0/21 | M&A | |||
| 31.207.0.0/21inter-RIR | CEU Servers s.r.o. | 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/31.207.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/31.207.0.0/21" | jq
External Links