Boston University
Cluster stats
| Netblocks | 28 |
| All fragments | 129 blocks across 31 clusters |
| Cluster ID | 191652073 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 17 shared RIR contact/maintainer handles |
| Registry names | 11 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
28
0 netblocks since 2026-07-05
2026-07-05
peak 28
2026-07-06
IP Ranges (28)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 58.185.94.16/28 | BOSTON-SG | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 58.185.184.240/28 | BOSTON-SG | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 119.73.229.192/28 | BOSTON-SG | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 128.197.0.0/16 | Boston University | BGP | ANNOUNCED | ● high |
| 128.197.136.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 128.197.254.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 168.122.0.0/16 | Boston University | BGP | ANNOUNCED | ● high |
| 192.5.206.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 192.5.207.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 192.12.185.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 192.12.186.0/23 | Boston University | BGP | ANNOUNCED | ● high |
| 192.12.189.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 192.12.190.0/23 | Boston University | BGP | ANNOUNCED | ● high |
| 192.54.224.0/24 | Boston University | BGP | ANNOUNCED | ● high |
| 2631:5000::/28 | Boston University | BGP | ANNOUNCED | ● high |
| 5.182.185.0/24 | Boston-RCN | RIPE | ASSIGNED PA | ● low |
| 45.248.52.0/24 | Boston-Tower1 | RIPE | ASSIGNED PA | ● low |
| 45.248.54.0/24 | Boston-Tower1 | RIPE | ASSIGNED PA | ● low |
| 45.248.55.0/24 | Boston-Tower1 | RIPE | ASSIGNED PA | ● low |
| 78.31.204.0/24 | Boston-US-Net3 | RIPE | ASSIGNED PA | ● low |
| 80.5.91.160/27 | BOSTON-UNIVERSITY | RIPE | ASSIGNED PA | ● low |
| 94.154.177.0/24 | Boston-RCN | RIPE | ASSIGNED PA | ● low |
| 109.231.226.224/28 | BOSTON-UNIVERSITY-VIA-TIKIT-NETID8653 | RIPE | ASSIGNED PA | ● low |
| 109.231.226.240/29 | BOSTON-UNIVERSITY-VIA-TIKIT-NETID8654 | RIPE | ASSIGNED PA | ● low |
| 194.83.58.0/23 | BOSTON-COL | RIPE | ASSIGNED PA | ● low |
| 195.97.98.32/28 | BOSTON-LL | RIPE | ASSIGNED PA | ● low |
| 195.194.75.216/30 | BOSTON-COL | RIPE | ASSIGNED PA | ● low |
| 210.245.227.176/28 | BOSTON-HK | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
57.1%
of checked blocks have valid RPKI ROA coverage
(16 of 28)
Possible discrepancies (7)
These blocks are registered to Boston University but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 194.83.58.0/23 /23 | authorized for AS786 — Jisc Services Limited |
| 94.154.177.0/24 /24 | authorized for AS6079 — RCN |
| 45.248.52.0/24 /24 | authorized for AS7015 — Comcast Cable Communications, LLC |
| 45.248.55.0/24 /24 | authorized for AS6079 — RCN |
| 45.248.54.0/24 /24 | authorized for AS33659 — Comcast Cable Communications, LLC |
| 78.31.204.0/24 /24 | authorized for AS7015 — Comcast Cable Communications, LLC |
| 5.182.185.0/24 /24 | authorized for AS6079 — RCN |
NIC Handles
AC1164-AP
AH1343-AP
AS111
AS2068-AP
AS3329-MNT
AS5089-MNT
DUMY-RIPE
DUMY-RIPE
EXPONENTIAL-E-MNT
JANET-HOSTMASTER
MAINT-HK-HKBNESL
MAINT-SG-SINGNET
+5 more