2620:0:f40::/44 - AT&T Enterprises (AS6431)
CIDR
2620:0:f40::/44
IP Version
IPv6
Addresses
19.3Y
Mask
/44
Country
🇺🇸 United States
City
Dallas (Dallas Downtown Historic District)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2620:0:f40::/44 | AS6431 ATT-RESEARCH - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
Related Announcements
1 less-specific, 1 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2620:0:f00::/41 | AS6431 ATT-RESEARCH - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
| 2620:0:f40::/48 | AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | - | 2026-10-12 |
Transfer History
Registry transfers of 2620:0:f40::/44, blocks inside it, or blocks containing it.
- 2620:0:f00::/41M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 2620:0:f00::/41 | M&A |
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionTexas
CityDallas (Dallas Downtown Historic District)
Coordinates32.7796, -96.7989 ↗
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/2620:0:f40::/44Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2620:0:f40::/44" | jq
External Links