AS231 MISU-231 - Michigan State University
🇺🇸ARINassigned
Announced Prefixes (BGP)
9total
7 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)263,936
Announced (BGP)789,504
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)9|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | - | 2026-10-10 |
Allocated Prefixes
(RIR)9Prefix | Country | RIR | Status |
|---|---|---|---|
| 35.20.0.0/14 | 🇺🇸 US | ARIN | allocated |
| 192.108.188.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.108.189.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.108.190.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.108.191.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.188.100.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.188.118.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.231.113.0/24 | 🇺🇸 US | ARIN | allocated |
| 2605:dd00::/32 | 🇺🇸 US | ARIN | allocated |
All 9 announced prefixes of AS231 →
BGP Neighbours
(seen in AS paths)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 AS231 should publish an ASPA object
- IPv4 transfers in the ARIN 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/231Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/231" | jq