Boston University

BGP inherited
Cluster stats
Netblocks25 · 266,804 IPv4 addresses
Registered in United States (18) · United Kingdom (5) · Greece (1)
Cluster ID208816203
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

5 weekly snapshots · JSON
28 0 netblocks since 2026-07-05
2026-07-05 peak 28 2026-07-19

IP Ranges (25)

⬇ export CSV
CIDR Org name Registry Status Confidence
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
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
128.197.0.0/16 Boston University ARIN DIRECT ALLOCATION ● low
168.122.0.0/16 Boston University ARIN DIRECT ALLOCATION ● 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

Domains hosted in this network

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Network trust

what's this?
RPKI hygiene: D how networks compare →
44.0% of checked blocks have valid RPKI ROA coverage (11 of 25)
Possible discrepancies (6)

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
5.182.185.0/24 /24 authorized for AS6079 — RCN

NIC Handles

AS111 AS3329-MNT AS5089-MNT BOSU-Z DUMY-RIPE DUMY-RIPE EXPONENTIAL-E-MNT IRT1-ARIN JANET-HOSTMASTER NOC319-ARIN NOC319-ARIN NOC319-ARIN +1 more