Christ Church Grammar School
BGP inherited
Cluster stats
| Netblocks | 9 |
| All fragments | 10 blocks across 2 clusters |
| Cluster ID | 191654875 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 22 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
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-06
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 203.135.184.0/23 | Christ Church Grammar School | BGP | ANNOUNCED | ● high |
| 203.135.186.0/23 | Christ Church Grammar School | BGP | ANNOUNCED | ● high |
| 210.212.231.160/29 | CHRIST-KING2010 | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 81.187.131.136/29 | CHRIST-CHURCH-CLIFTON | RIPE | ASSIGNED PA | ● low |
| 89.197.1.240/29 | CHRIST-CHURCH-CE | RIPE | ASSIGNED PA | ● low |
| 203.135.184.0/22 | Christ Church Grammar School | APNIC | ALLOCATED PORTABLE | ● low |
| 203.155.199.192/27 | CHRIST-TH | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2001:df0:49::/48 | Christ Church Grammar School | APNIC | ASSIGNED PORTABLE | ● low |
| 2a00:2381:cd24::/48 | CHRIST-CHURCH | RIPE | AGGREGATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
77.8%
of checked blocks have valid RPKI ROA coverage
(7 of 9)
Possible discrepancies (1)
These blocks are registered to Christ Church Grammar School 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:cd24::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
AA
AC1801-AP
AK1137-AP
APNIC-HM
AS45797
BTNET-MNT
CDN1-AP
DUMY-RIPE
DUMY-RIPE
KSC-ADMIN
MAINT-IN-DOT
MNT-VIRTUAL1
+10 more