AS21641 VIRTUASYS-AMERICA - VIRTUASYS America, Inc.
ARINreserved
Announced Prefixes (BGP)
12total
7 IPv45 IPv6
IPv4 Addresses
Allocated (RIR)512
Announced (BGP)3,328
IPv6 Addresses
Allocated (RIR)1.5×10²⁹
Announced (BGP)1.5×10²⁹
Routing hygiene
Score 67/100 · High riskRPKI ROA coverage
50%
5 prefixes RPKI invalid
IRR route objects
41.7%
5 prefixes registered for another origin
Hijack signals
2
2 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 15/100
- Announces 2 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 50% of announced prefixes (6 of 12) have no valid ROA, 5 of them RPKI invalid
- 58% of announced prefixes (7 of 12) have no IRR route object for this ASN
- Routes concentrated on one upstream (92% of routes)
Based on 12 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)12|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
84.75.44.0/22MOAS | Invalid | - | 2026-10-24 |
84.75.56.0/22MOAS | Invalid | - | 2026-10-24 |
168.222.87.0/24MOAS | Invalid | - | 2026-10-24 |
194.147.71.0/24MOAS | Valid | RIPE | 2026-10-24 |
199.231.70.0/24MOAS | Valid | ARINOther IRR | 2026-10-24 |
206.206.103.0/24MOAS | Valid | Other IRR | 2026-10-24 |
216.75.145.0/24MOAS | Valid | Other IRR | 2026-10-24 |
| No ROA | - | 2026-10-24 | |
| Valid | - | 2026-10-24 | |
| Valid | RIPE | 2026-10-24 |
1-10 of 12
1 / 2
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 168.222.87.0/24 | 🇺🇸 US | RIPE | assigned |
| 194.147.71.0/24 | 🇫🇷 FR | RIPENCC | allocated |
| 2607:8bc0::/32 | - | ARIN | reserved |
| 2a0d:e680:100::/48 | 🇺🇸 US | RIPE | assigned |
| 2a0f:9400:7389::/48 | 🇳🇱 NL | RIPE | assigned |
| 2a10:3c81::/32 | 🇺🇸 US | RIPE | assigned |
| 2a14:c380:e00::/40 | 🇩🇪 DE | RIPE | assigned |
All 12 announced prefixes of AS21641 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS21641 hands its own prefixes to: transit providers, or peers at an exchange.
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 AS21641 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/21641Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21641" | jq