20.156.0.0/16 - (AS3360)
CIDR
20.156.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Ashburn
RIR
ARIN
Status
allocated
Allocated
1989-09-04
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 20.156.169.0/24 | AS4237 CSC-IGN-FTW-AS4237 - DXC US Latin America Corporation | Valid | - | 2026-10-12 |
| 20.156.186.0/24 | AS46116 FIXNETIX-ARIN-BGP-ASN - Fixnetix Inc | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 20.156.0.0/16, blocks inside it, or blocks containing it.
- 20.156.0.0/16M&A ·
Origin ASN
AS3360
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/20.156.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/20.156.0.0/16" | jq
External Links