72.5.168.0/21 - BGP Prefix
IPv4not announcedNo ROA
CIDR
72.5.168.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Jose
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
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 72.5.168.0/22 | AS14743 INTERNAP-BLOCK-4 - Unitas Global | No ROA | - | 2026-10-11 |
| 72.5.171.0/24 | AS25985 SYMBIOSYSTEMS - SymbioSystems LLC | No ROA | - | 2026-10-11 |
| 72.5.172.0/22 | AS16509 AMAZON-02 - Amazon.com, Inc. | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 72.5.168.0/22 | AS14743 | 🇺🇸US | allocated |
| 72.5.172.0/22 | AS16509 | 🇺🇸US | allocated |
Transfer History
Registry transfers of 72.5.168.0/21, blocks inside it, or blocks containing it.
- 72.5.168.0/22M&A ·
- 72.5.172.0/22Transfer ·
- 72.5.168.0/21M&A ·
- 72.5.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 72.5.168.0/22 | M&A | |||
| 72.5.172.0/22 | Transfer | |||
| 72.5.168.0/21 | M&A | |||
| 72.5.0.0/16 | M&A |
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/72.5.168.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/72.5.168.0/21" | jq
External Links