National Weather Service Southern Region Headquarters
BGP inherited
Cluster stats
| Netblocks | 6 · 5,370 IPv4 addresses |
| All fragments | 9 blocks across 3 clusters |
| Cluster ID | 208810697 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-19
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 216.38.80.0/24 | National Weather Service Southern Region Headquarters | BGP | ANNOUNCED | ● high |
| 216.38.85.0/24 | National Weather Service Southern Region Headquarters | BGP | ANNOUNCED | ● high |
| 216.38.91.0/24 | National Weather Service Southern Region Headquarters | BGP | ANNOUNCED | ● high |
| 216.38.92.0/24 | National Weather Service Southern Region Headquarters | BGP | ANNOUNCED | ● high |
| 216.38.93.0/24 | National Weather Service Southern Region Headquarters | BGP | ANNOUNCED | ● high |
| 216.38.80.0/20 | National Weather Service Southern Region Headquarters | ARIN | DIRECT ALLOCATION | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
83.3%
of checked blocks have valid RPKI ROA coverage
(5 of 6)
Possible discrepancies (5)
These blocks are registered to National Weather Service Southern Region Headquarters but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 216.38.80.0/24 /24 | authorized for AS14041 — University Corporation for Atmospheric Research |
| 216.38.85.0/24 /24 | authorized for AS14041 — University Corporation for Atmospheric Research |
| 216.38.91.0/24 /24 | authorized for AS14041 — University Corporation for Atmospheric Research |
| 216.38.92.0/24 /24 | authorized for AS14041 — University Corporation for Atmospheric Research |
| 216.38.93.0/24 /24 | authorized for AS14041 — University Corporation for Atmospheric Research |
NIC Handles
AS30687
DRH48-ARIN
NAT41-ARIN
NWSSR-ARIN
NWSSR-ARIN
NWSSR-ARIN
NWSSR-ARIN
NWSSR-ARIN
NWSSR-ARIN
NWSSRH