Jack Brierley

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks15
IPv6 12 prefixes (largest 2a12:bec0:210::/44)
Registered in France (2) · United Kingdom (1)
Cluster ID226990727
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

9 weekly snapshots · JSON
15 -1 netblocks since 2026-07-05
2026-07-05 peak 16 2026-08-23

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
2a12:bec0:210::/44 Jack Brierley RIPE ALLOCATED-BY-LIR ● high
2a12:bec0:210::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:211::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:212::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:213::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:214::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:218::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:21a::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:21d::/48 Jack Brierley BGP ANNOUNCED ● high
2a12:bec0:21f::/48 Jack Brierley BGP ANNOUNCED ● high
62.7.71.160/28 JACK-ROE RIPE ASSIGNED PA ● low
89.30.118.168/29 Jack_in_the_box RIPE ASSIGNED PA ● low
217.19.54.64/27 JACK_IN_THE_BOX RIPE ASSIGNED PA ● low
2a00:2381:eae8::/48 JACK-THE RIPE AGGREGATED-BY-LIR ● low
2a00:2381:f1c5::/48 JACK-ROE RIPE AGGREGATED-BY-LIR ● low

IPv6 ranges (12)

CIDR
2a12:bec0:210::/44
2a00:2381:eae8::/48
2a00:2381:f1c5::/48
2a12:bec0:210::/48
2a12:bec0:211::/48
2a12:bec0:212::/48
2a12:bec0:213::/48
2a12:bec0:214::/48
2a12:bec0:218::/48
2a12:bec0:21a::/48
2a12:bec0:21d::/48
2a12:bec0:21f::/48

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (15 of 15)
Possible discrepancies (2)

These blocks are registered to Jack Brierley but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a00:2381:f1c5::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:eae8::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

ACRO52021-RIPE AS199519 BSOCOM-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE LINKBYNET-MNT ORG-TA1698-RIPE SBL-MNT TGJ-MNT TGJ-MNT