205.172.72.0/21
🇺🇸IPv4ARINallocatedMOASNo ROA
CIDR
205.172.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Harrisburg
RIR
ARIN
Status
allocated
Allocated
3/31/1995
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.172.72.0/21 | AS10753LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
| 205.172.72.0/21 | AS18756PATEAM - Level 3 Parent, LLC | No ROA | — | 5/31/2026 |
Origin ASNs (2)
AS10753MOAS
LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC
AS18756MOAS
PATEAM - Level 3 Parent, LLC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/205.172.72.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.172.72.0/21" | jq
External Links