63.128.128.0/18
🇺🇸CIDR
63.128.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Sunnyvale
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 63.128.128.0/18 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 63.128.0.0/15 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
| 63.128.0.0/16 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
| 63.128.180.0/22 | AS3561CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC | No ROA | — | 5/31/2026 |
| 63.128.130.0/24 | AS22013GUARD-DC1 - Guardian Analytics, Inc. | No ROA | — | 5/31/2026 |
| 63.128.170.0/24 | AS22013GUARD-DC1 - Guardian Analytics, Inc. | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/63.128.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/63.128.128.0/18" | jq
External Links