AS21730 RRV-NET - Halstad Telephone Company
🇺🇸ARINassigned
Announced Prefixes (BGP)
33total
33 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)8,192
Announced (BGP)19,968
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)0
Routing hygiene
Score 40/100 · Medium riskRPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- 100% of announced prefixes (33 of 33) have no valid ROA
- Only one upstream seen in the AS paths of its routes
Based on 33 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)33|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | ARIN | 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 33
1 / 4
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 65.61.64.0/19 | 🇺🇸 US | ARIN | allocated |
| 2606:4500::/32 | 🇺🇸 US | ARIN | allocated |
All 33 announced prefixes of AS21730 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS23036 | 🇺🇸NORTHWEST-MINNESOTA-SPECIAL-ACCESS-LLC - Northwest Minnesota Special Access, LLC |
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/21730Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21730" | jq