AS25958 MC-INT - Marshfield Clinic Inc.
🇺🇸ARINassigned
Announced Prefixes (BGP)
10total
10 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)2,048
Announced (BGP)4,352
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Announced Prefixes
(BGP)10|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
Allocated Prefixes
(RIR)1Prefix | Country | RIR | Status |
|---|---|---|---|
| 192.236.16.0/21 | 🇺🇸 US | ARIN | allocated |
All 10 announced prefixes of AS25958 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS25958 hands its own prefixes to: transit providers, or peers at an exchange.
- AS40264Charter Communications10
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 AS25958 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/25958Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/25958" | jq