AS398256 AS-ULTAHOST - Ultahost, Inc.
🇺🇸ARINassigned
Announced Prefixes (BGP)
16total
16 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)2,816
Announced (BGP)4,096
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Routing hygiene
Score 10/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
2
0 announced against others' ROAs, 2 own announced by others
Upstreams
3
diversity 51/100
- 2 prefixes of this ASN announced by another network against its ROAs
Based on 16 announced prefixes, updated daily (2026-10-21). How the score works · RPKI explained
Announced Prefixes
(BGP)16|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRRRIPE | 2026-10-26 | |
64.84.57.0/24MOAS | Valid | ARINOther IRR | 2026-10-26 |
64.204.80.0/24MOAS | Valid | ARINOther IRR | 2026-10-26 |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 |
1-10 of 16
1 / 2
Allocated Prefixes
(RIR)11Prefix | Country | RIR | Status |
|---|---|---|---|
| 51.241.125.0/24 | 🇺🇸 US | RIPE | assigned |
| 82.27.71.0/24 | 🇺🇸 US | RIPE | assigned |
| 82.27.78.0/24 | 🇺🇸 US | RIPE | assigned |
| 96.62.77.0/24 | 🇺🇸 US | RIPE | assigned |
| 151.241.99.0/24 | 🇺🇸 US | RIPE | assigned |
| 151.241.117.0/24 | 🇺🇸 US | RIPE | assigned |
| 167.148.88.0/24 | 🇺🇸 US | RIPE | assigned |
| 185.233.166.0/24 | 🇪🇺 EU | RIPE | assigned |
| 192.142.48.0/24 | 🇺🇸 US | AFRINIC | assigned |
| 192.142.49.0/24 | 🇺🇸 US | AFRINIC | assigned |
1-10 of 11
1 / 2
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 AS398256 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/398256Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/398256" | jq