AS19231 NBCUniversal 🇺🇸 US
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
1,280 (5 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS19231
- Name
- NBCUniversal
- Organisation
- NBCUniversal
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2006-12-13
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
5 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 50.203.232.0/24 v4 | RPKI valid | 41 | 34549325719231 | 2026-09-18 |
| 173.213.210.0/24 v4 | no ROA | 41 | 7018792219231 | 2026-09-18 |
| 208.73.112.0/24 v4 | no ROA | 41 | 7018792219231 | 2026-09-18 |
| 208.73.114.0/24 v4 | no ROA | 41 | 7018792219231 | 2026-09-18 |
| 208.73.115.0/24 v4 | no ROA | 41 | 34549325719231 | 2026-09-18 |