204.16.168.0/21
🇺🇸CIDR
204.16.168.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Chicago
RIR
ARIN
Status
allocated
Allocated
11/9/2005
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.16.168.0/21 | AS19557CHANGEIP-01 - CHANGEIP COM | No ROA | — | 6/1/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.16.171.0/24 | AS19557CHANGEIP-01 - CHANGEIP COM | No ROA | — | 6/1/2026 |
| 204.16.172.0/24 | AS19557CHANGEIP-01 - CHANGEIP COM | No ROA | — | 6/1/2026 |
| 204.16.173.0/24 | AS19557CHANGEIP-01 - CHANGEIP COM | No ROA | — | 6/1/2026 |
| 204.16.174.0/24 | AS19557CHANGEIP-01 - CHANGEIP COM | No ROA | — | 6/1/2026 |
| 204.16.175.0/24 | AS19557CHANGEIP-01 - CHANGEIP COM | No ROA | — | 6/1/2026 |
Origin ASN
AS19557
CHANGEIP-01 - CHANGEIP COM
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.16.168.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.16.168.0/21" | jq
External Links