AS8070 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation
Announced Prefixes (BGP)
44total
30 IPv414 IPv6
IPv4 Addresses
Allocated (RIR)1.1M
Announced (BGP)1.1M
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)2.1×10²⁸
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
50
Allocated
-
Announced Prefixes
(BGP)44|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 |
1-10 of 44
1 / 5
Allocated Prefixes
(RIR)9Prefix | Country | RIR | Status |
|---|---|---|---|
| 20.34.0.0/15 | 🇺🇸 US | ARIN | allocated |
| 20.140.0.0/15 | 🇺🇸 US | ARIN | allocated |
| 20.158.0.0/15 | 🇺🇸 US | ARIN | allocated |
| 51.54.0.0/15 | 🇬🇧 GB | RIPENCC | assigned |
| 52.126.0.0/15 | 🇺🇸 US | ARIN | allocated |
| 57.16.0.0/14 | 🇬🇧 GB | RIPENCC | allocated |
| 62.10.0.0/15 | 🇬🇧 GB | RIPENCC | allocated |
| 195.134.224.0/19 | 🇫🇮 FI | RIPENCC | allocated |
| 204.13.120.0/21 | 🇺🇸 US | ARIN | allocated |
All 44 announced prefixes of AS8070 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS8070 hands its own prefixes to: transit providers, or peers at an exchange.
- AS8075Microsoft Corporation44
ASPA
No ASPA
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 AS8070 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/8070Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/8070" | jq