AS21541 101NETLINK - 101Netlink
🇺🇸ARINassigned
Announced Prefixes (BGP)
19total
19 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)13,056
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Routing hygiene
Score 39/100 · Medium riskRPKI ROA coverage
31.6%
no RPKI invalid prefixes
IRR route objects
31.6%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 19/100
- 68% of announced prefixes (13 of 19) have no valid ROA
- 68% of announced prefixes (13 of 19) have no IRR route object for this ASN
- Routes concentrated on one upstream (89% of routes)
Based on 19 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Announced Prefixes
(BGP)19|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 |
1-10 of 19
1 / 2
All 19 announced prefixes of AS21541 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS19245 | 🇺🇸HOOPA-VALLEY-TRIBE - Hoopa Valley Public Utilities District |
BGP Neighbours
(seen in AS paths)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
- How to run an ASPA checkVerify the upstream providers listed above
- 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/21541Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21541" | jq