AS21647 LIGHTBOARD-SYRACUSE-IX - Lightboard Realty
🇺🇸ARINassignedASPA Published
Announced Prefixes (BGP)
6total
4 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)1,024
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)6.1×10²⁶
Routing hygiene
Score 13/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
83.3%
1 prefix registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
- 17% of announced prefixes (1 of 6) have no IRR route object for this ASN
Based on 6 announced prefixes, updated daily (2026-10-17). How the score works · RPKI explained
Announced Prefixes
(BGP)6|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | 2026-10-26 | |
| Valid | ARIN | 2026-10-26 | |
| Valid | ARIN | 2026-10-26 | |
| Valid | ARIN | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 |
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 23.167.200.0/24 | 🇺🇸 US | ARIN | allocated |
| 23.167.201.0/24 | 🇺🇸 US | ARIN | allocated |
| 149.112.190.0/24 | 🇺🇸 US | ARIN | allocated |
| 149.112.191.0/24 | 🇺🇸 US | ARIN | allocated |
All 6 announced prefixes of AS21647 →
Upstream Providers(2)
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS21647 hands its own prefixes to: transit providers, or peers at an exchange.
- AS174Cogent Communications6
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/21647Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/21647" | jq