193.37.88.0/21 - BGP Prefix
IPv4RIPE NCCassignedNo ROA
CIDR
193.37.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Chicago (West Loop)
RIR
RIPE NCC
Status
assigned
Allocated
1993-04-27
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 |
|---|---|---|---|---|
| 193.37.88.0/24 | AS30560 GE-MS001 - GE Precision HealthCare LLC | No ROA | - | 2026-10-13 |
| 193.37.91.0/24 | AS30560 GE-MS001 - GE Precision HealthCare LLC | No ROA | - | 2026-10-13 |
| 193.37.93.0/24 | AS30560 GE-MS001 - GE Precision HealthCare LLC | No ROA | - | 2026-10-13 |
Transfer History
Registry transfers of 193.37.88.0/21, blocks inside it, or blocks containing it.
- 193.37.88.0/21Transfer ·
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/193.37.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/193.37.88.0/21" | jq
External Links