University of Oxford

Data as of 2026-11-08
BGP inherited
This organisation
Netblocks6 · 139,776 IPv4 addresses
IPv6 2 prefixes (largest 2a0a:200::/29)
Also registered under this name 3,794 netblocks across 494 separate records
Record ID264786993
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (6)

⬇ export CSV
CIDR Org name Registry Status Confidence
129.67.0.0/16 University of Oxford RIPE LEGACY ● low
163.1.0.0/16 University of Oxford RIPE LEGACY ● low
185.88.216.0/22 University of Oxford RIPE ALLOCATED PA ● low
192.76.6.0 – 192.76.35.255 University of Oxford RIPE LEGACY ● low
2a03:80e0::/32 University of Oxford RIPE ALLOCATED-BY-RIR ● low
2a0a:200::/29 University of Oxford RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (2)

CIDR
2a0a:200::/29
2a03:80e0::/32

Footprint over time

16 weekly snapshots · JSON
6 0 netblocks since 2026-07-05
2026-07-05 peak 6 2026-11-08

Other domains hosted in this network

what's this?
ox.ac.uk linkedmusic.org

Network trust

what's this?
RPKI hygiene: C how networks compare →
50.0% of checked blocks have valid RPKI ROA coverage (3 of 6)
No discrepancies found among checked blocks.
Routed via provider/NREN (3)

These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.

2a0a:200::/29 /29 routed via AS786 — Jisc (Jisc Services Limited)
163.1.0.0/16 /16 routed via AS786 — Jisc (Jisc Services Limited)
129.67.0.0/16 /16 routed via AS786 — Jisc (Jisc Services Limited)

NIC Handles

DUMY-RIPE DUMY-RIPE JANET-HOSTMASTER ORG-CMAS3-RIPE ORG-UOO4-RIPE RIPE-NCC-HM-MNT RIPE-NCC-LEGACY-MNT mnt-uk-oxuni-1