205.173.88.0/21 - BGP Prefix
IPv4ARINallocatedNo ROA
CIDR
205.173.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Cambridge (East Cambridge)
RIR
ARIN
Status
allocated
Allocated
1995-03-29
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| 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
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.173.95.0/24 | AS4366 GE-AMC - General Electric Company | No ROA | - | 2026-10-15 |
Geolocation
Country🇺🇸United StatesUS
RegionMassachusetts
CityCambridge (East Cambridge)
Coordinates42.3673, -71.0798 ↗
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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/205.173.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.173.88.0/21" | jq
External Links