156.70.72.0/23
🇺🇸CIDR
156.70.72.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Seattle (Downtown Seattle)
RIR
ARIN
Status
allocated
Allocated
1/17/2020
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.70.72.0/24 | AS23528SPARKPOST - Bird.com Inc. | No ROA | — | 6/15/2026 |
| 156.70.73.0/24 | AS23528SPARKPOST - Bird.com Inc. | No ROA | — | 6/15/2026 |
Origin ASN
AS23528
SPARKPOST - Bird.com Inc.
Geolocation
Country🇺🇸United StatesUS
RegionWashington
CitySeattle (Downtown Seattle)
Coordinates47.6143, -122.3390 ↗
API
Open https://api.ipctl.io/v1/prefix/156.70.72.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.70.72.0/23" | jq
External Links