205.220.172.0/24 - Proofpoint (AS22843)
CIDR
205.220.172.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Atlanta (Peachtree Center)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.220.172.0/24 | AS22843 PROOFPOINT-ASN-US-EAST - Proofpoint, Inc. | Valid | ARIN | 2026-10-11 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS22843 | ARIN | MNT-PROOF | - |
Transfer History
Registry transfers of 205.220.172.0/24, blocks inside it, or blocks containing it.
- 205.220.160.0/19Transfer ·
- 205.220.128.0/17M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 205.220.160.0/19 | Transfer | |||
| 205.220.128.0/17 | 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/205.220.172.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.220.172.0/24" | jq
External Links