204.97.16.0/21
🇺🇸IPv4ARINannouncedMOASNo ROA
CIDR
204.97.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Manchester
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.97.16.0/21 | AS174COGENT-174 - Cogent Communications, LLC | No ROA | — | 6/1/2026 |
| 204.97.16.0/21 | AS21547OXNET - FirstLight Fiber, Inc. | No ROA | — | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.96.0.0/15 | AS174COGENT-174 - Cogent Communications, LLC | No ROA | — | 6/1/2026 |
Origin ASNs (2)
AS174MOAS
COGENT-174 - Cogent Communications, LLC
AS21547MOAS
OXNET - FirstLight Fiber, Inc.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.97.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.97.16.0/21" | jq
External Links