216.51.0.0/17
🇺🇸CIDR
216.51.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Boston
RIR
ARIN
Status
allocated
Allocated
8/25/1998
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.51.0.0/17 | AS2828XO-AS15 - Verizon Business | No ROA | — | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.51.95.0/24 | AS12254INSTRUCTURE-MAIN - Instructure, Inc | No ROA | — | 5/31/2026 |
| 216.51.43.0/24 | AS17150AFCU - America First Credit Union | No ROA | — | 5/31/2026 |
| 216.51.37.0/24 | AS20286AMER-COLLEGE-OF-CARDIOLOGY-WASHINGTONDC - American College of Cardiology | No ROA | — | 5/31/2026 |
| 216.51.33.0/24 | AS55018PRIME - Prime Holdings Insurance Services Inc | No ROA | — | 5/31/2026 |
Origin ASN
AS2828
XO-AS15 - Verizon Business
Geolocation
API
Open https://api.ipctl.io/v1/prefix/216.51.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.51.0.0/17" | jq
External Links