Jack Brierley
Cluster stats
| Netblocks | 16 |
| All fragments | 164 blocks across 56 clusters |
| Cluster ID | 191479393 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 15 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
16
0 netblocks since 2026-07-05
2026-07-05
peak 16
2026-07-06
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 203.131.183.200/29 | JACK-PH | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 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 |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(16 of 16)
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 PLC |
| 2a00:2381:eae8::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
ACRO52021-RIPE
AE135-AP
AS199519
BSOCOM-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
JO141-AP
JO141-AP
LINKBYNET-MNT
MAINT-PH-EPLDT
ORG-TA1698-RIPE
+3 more