Williams College
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 12 · 65,794 IPv4 addresses |
| IPv6 | 6 prefixes (largest 2602:811:3000::/44) |
| Cluster ID | 229123972 |
| 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 | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
9 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-08-23
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 137.165.0.0/16 | Williams College | ARIN | DIRECT ALLOCATION | ● high |
| 137.165.0.0/17 | Williams College | BGP | ANNOUNCED | ● high |
| 137.165.128.0/17 | Williams College | BGP | ANNOUNCED | ● high |
| 204.225.173.0/24 | Williams College | BGP | ANNOUNCED | ● high |
| 206.53.143.20/32 | Williams College | PEERINGDB | ASSIGNED | ● high |
| 206.82.104.161/32 | Williams College | PEERINGDB | ASSIGNED | ● high |
| 2001:470:ed::/48 | Williams College | BGP | ANNOUNCED | ● high |
| 2001:504:36:0:1:8783:0:1/128 | Williams College | PEERINGDB | ASSIGNED | ● high |
| 2001:504:47::2c87:0:1/128 | Williams College | PEERINGDB | ASSIGNED | ● high |
| 2602:811:3000::/44 | Williams College | BGP | ANNOUNCED | ● high |
| 2606:6b40:fff1::/48 | Williams College | BGP | ANNOUNCED | ● high |
| 2606:6b40:fff2::/48 | Williams College | BGP | ANNOUNCED | ● high |
IPv6 ranges (6)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
75.0%
of checked blocks have valid RPKI ROA coverage
(9 of 12)
No discrepancies found among checked blocks.
NIC Handles
AS11399
AS11399
NETWO8124-ARIN
NETWO8124-ARIN
NETWO8124-ARIN
NETWO8124-ARIN
NETWO8124-ARIN
NETWO8124-ARIN
WCC-6-Z