166.128.0.0/13 - AT&T Enterprises (AS7018)
CIDR
166.128.0.0/13
IP Version
IPv4
Addresses
524.2K
Mask
/13 (255.248.0.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
2025-04-01
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.128.0.0/13 | AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC | Valid | ARIN | 2026-10-12 |
More-Specific Announcements
68 more-specific announcementsRPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 166.128.0.0/13 | AS7018 | /13 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS7018 | ARIN | MNT-AEL-360 | 2026-08-26 |
Transfer History
Registry transfers of 166.128.0.0/13, blocks inside it, or blocks containing it.
- 166.128.0.0/13Transfer ·
- 166.128.0.0/9M&A ·
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/166.128.0.0/13Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/166.128.0.0/13" | jq
External Links