166.50.0.0/15 - BGP Prefix
IPv4ARINallocatedNo ROA
CIDR
166.50.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
๐บ๐ธ United States
City
Washington D.C.
RIR
ARIN
Status
allocated
Allocated
1993-03-24
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns โ
| 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 |
|---|---|---|---|---|
| 166.50.0.0/16 | AS3371 MCI-ASN - Verizon Business | No ROA | - | 2026-10-11 |
| 166.50.3.0/24 | AS701 UUNET - Verizon Business | No ROA | - | 2026-10-11 |
| 166.50.80.0/20 | AS3372 MCI-ASN - Verizon Business | No ROA | - | 2026-10-11 |
Transfer History
Registry transfers of 166.50.0.0/15, blocks inside it, or blocks containing it.
- 166.50.0.0/15M&A ยท
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 166.50.0.0/15 | MCI Telecommunications | Verizon Business | M&A |
Geolocation
Country๐บ๐ธUnited StatesUS
RegionDistrict of Columbia
CityWashington D.C.
Coordinates38.9072, -77.0369 โ
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/166.50.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/166.50.0.0/15" | jq
External Links