Black Knight IP Holding Company, LLC
BGP inherited
Cluster stats
| Netblocks | 41 |
| All fragments | 42 blocks across 2 clusters |
| Cluster ID | 191610420 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
41
0 netblocks since 2026-07-05
2026-07-05
peak 41
2026-07-06
IP Ranges (41)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.12.79.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 8.39.161.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 74.113.192.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 74.113.192.0/21 | Black Knight IP Holding Company, LLC | ARIN | ● high | |
| 74.113.193.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 74.113.194.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 74.113.195.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 74.113.196.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 74.203.153.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 97.65.216.0/23 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.72.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.73.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.74.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.75.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.76.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.77.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 173.226.78.0/23 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 174.46.104.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 174.46.105.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 174.46.109.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 174.47.11.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 199.175.184.0/23 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 199.175.186.0/23 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.64.0/19 | Black Knight IP Holding Company, LLC | ARIN | ● high | |
| 204.86.64.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.65.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.66.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.70.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.71.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.86.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 204.86.88.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 206.201.64.0/20 | Black Knight IP Holding Company, LLC | ARIN | ● high | |
| 206.201.65.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 206.201.66.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 206.201.73.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 206.201.74.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 206.201.77.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 206.201.79.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 208.93.241.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 208.93.242.0/23 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
| 209.194.0.0/24 | Black Knight IP Holding Company, LLC | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
65.9%
of checked blocks have valid RPKI ROA coverage
(27 of 41)
Possible discrepancies (27)
These blocks are registered to Black Knight IP Holding Company, LLC 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.
| 204.86.64.0/19 /19 | authorized for AS203 — Level 3 Parent, LLC |
| 206.201.64.0/20 /20 | authorized for AS203 — Level 3 Parent, LLC |
| 74.113.192.0/21 /21 | authorized for AS203 — Level 3 Parent, LLC |
| 199.175.184.0/23 /23 | authorized for AS203 — Level 3 Parent, LLC |
| 199.175.186.0/23 /23 | authorized for AS203 — Level 3 Parent, LLC |
| 208.93.242.0/23 /23 | authorized for AS203 — Level 3 Parent, LLC |
| 8.12.79.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 8.39.161.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 74.113.192.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 74.113.193.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 74.113.194.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 74.113.195.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 74.113.196.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 204.86.64.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
| 204.86.65.0/24 /24 | authorized for AS203 — Level 3 Parent, LLC |
+12 more — see the REST API
NIC Handles
AS26630
AS30305
AS31874
AS55155
BKIHL
IPADM465-ARIN
IPADM465-ARIN
IPADM465-ARIN
IPADM465-ARIN