Boston University

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks20 · 135,968 IPv4 addresses
IPv6 1 prefix (largest 2631:5000::/28)
Registered in United States (25) · United Kingdom (1)
All fragments 29 blocks across 3 clusters
Cluster ID227114342
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 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
27 -1 netblocks since 2026-07-05
2026-07-05 peak 28 2026-08-23

IP Ranges (20)

⬇ 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 ARIN DIRECT ALLOCATION ● high
192.5.206.0/24 Boston University BGP ANNOUNCED ● high
192.5.207.0/24 Boston University BGP ANNOUNCED ● high
192.5.208.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.12.185.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.12.186.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.12.186.0/23 Boston University BGP ANNOUNCED ● high
192.12.187.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.12.188.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.12.189.0/24 Boston University BGP ANNOUNCED ● high
192.12.190.0/23 Boston University BGP ANNOUNCED ● high
192.12.190.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.12.191.0/24 Boston University ARIN DIRECT ALLOCATION ● high
192.54.224.0/24 Boston University BGP ANNOUNCED ● high
204.8.152.0/21 Boston University ARIN DIRECT ALLOCATION ● high
2631:5000::/28 Boston University BGP ANNOUNCED ● high
80.5.91.160/27 BOSTON-UNIVERSITY RIPE ASSIGNED PA ● low

IPv6 ranges (1)

CIDR
2631:5000::/28

Domains hosted in this network

what's this?
bu.edu

Network trust

what's this?
RPKI hygiene: F how networks compare →
3.7% of checked blocks have valid RPKI ROA coverage (1 of 27)
No discrepancies found among checked blocks.

NIC Handles

AS111 AS5089-MNT BOSU BOSU-Z DUMY-RIPE DUMY-RIPE IRT1-ARIN NOC319-ARIN NOC319-ARIN NOC319-ARIN