The College of William and Mary
BGP inherited
Cluster stats
| Netblocks | 10 · 336,374 IPv4 addresses |
| All fragments | 23 blocks across 10 clusters |
| Cluster ID | 208816420 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-19
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.239.0.0/16 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 128.239.0.0/17 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 128.239.1.0/24 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 128.239.33.0/24 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 128.239.128.0/17 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 139.70.0.0/17 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 139.70.0.0/16 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 139.70.128.0/17 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 139.70.224.0/19 | The College of William and Mary | BGP | ANNOUNCED | ● high |
| 128.239.0.0/16 | The College of William and Mary | ARIN | DIRECT ALLOCATION | ● low |
NIC Handles
ABUSE5074-ARIN
AS11975
CWM-11-Z
UNIXT-ARIN
WMIT-ARIN
WMIT-ARIN
WMIT-ARIN
WMIT-ARIN
WMIT-ARIN