AS28939 ARM-AS ARM Ltd
🇬🇧Org handle: ORG-AL29-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
14total
14 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)6,144
Announced (BGP)3,584
IPv6 Addresses
Allocated (RIR)6.4×10²⁹
Announced (BGP)0
Announced Prefixes
(BGP)14|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
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Allocated Prefixes
(RIR)11Prefix | Country | RIR | Status |
|---|---|---|---|
| 217.140.96.0/20 | 🇬🇧 GB | RIPENCC | allocated |
| 217.140.99.0/24 | 🇬🇧 GB | RIPE | assigned |
| 217.140.102.0/24 | 🇺🇸 US | RIPE | assigned |
| 217.140.103.0/24 | 🇺🇸 US | RIPE | assigned |
| 217.140.104.0/24 | 🇯🇵 JP | RIPE | assigned |
| 217.140.106.0/24 | 🇬🇧 GB | RIPE | assigned |
| 217.140.107.0/24 | 🇬🇧 GB | RIPE | assigned |
| 217.140.108.0/24 | 🇮🇳 IN | RIPE | assigned |
| 217.140.109.0/24 | 🇬🇧 GB | RIPE | assigned |
| 2a0a:140::/29 | 🇬🇧 GB | RIPENCC | allocated |
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ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS28939 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/28939Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/28939" | jq