74.252.160.0/20 - AT&T Enterprises (AS19957)
CIDR
74.252.160.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
πΊπΈ United States
City
Atlanta
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns β
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.252.160.0/20 | AS19957 STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.252.0.0/14 | AS6389 BELLSOUTH-NET-BLK - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 74.252.160.0/20, blocks inside it, or blocks containing it.
- 74.252.0.0/14M&A Β·
- 74.224.0.0/11M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 74.252.0.0/14 | AT&T Corp. | AT&T Enterprises, LLC | M&A | |
| 74.224.0.0/11 | BellSouth.net Inc. | AT&T Corp. | M&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/74.252.160.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.252.160.0/20" | jq
External Links