216.163.208.0/20
🇺🇸CIDR
216.163.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Boston (Roxbury)
RIR
ARIN
Status
allocated
Allocated
7/27/1999
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.163.208.0/20 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.163.208.0/21 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 6/1/2026 |
| 216.163.216.0/21 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 6/1/2026 |
| 216.163.216.0/22 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 6/1/2026 |
| 216.163.220.0/22 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 216.163.208.0/20 | AS27370 | /20 | arin |
Origin ASN
AS27370
CITYOFBOSTON - City of Boston
Geolocation
API
Open https://api.ipctl.io/v1/prefix/216.163.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.163.208.0/20" | jq
External Links