HNTB CORPORATION
BGP inherited
Cluster stats
| Netblocks | 11 |
| Cluster ID | 204415464 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
11
+1 netblocks since 2026-07-05
2026-07-05
peak 11
2026-07-13
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 198.51.225.0/24 | HNTB CORPORATION | BGP | ANNOUNCED | ● high |
| 198.51.226.0/23 | HNTB CORPORATION | BGP | ANNOUNCED | ● high |
| 198.51.228.0/23 | HNTB CORPORATION | BGP | ANNOUNCED | ● high |
| 198.99.250.0/23 | HNTB CORPORATION | BGP | ANNOUNCED | ● high |
| 198.99.252.0/23 | HNTB CORPORATION | BGP | ANNOUNCED | ● high |
| 198.99.254.0/24 | HNTB CORPORATION | BGP | ANNOUNCED | ● high |
| 198.203.208.0 – 198.203.212.255 | HNTB Corporation | ARIN | ● high | |
| 205.153.136.0/22 | HNTB Corporation | ARIN | ● high | |
| 205.172.248.0/22 | HNTB Corporation | ARIN | ● high | |
| 193.128.218.176/28 | HNTB-LAN | RIPE | ASSIGNED PA | ● low |
| 202.110.113.232/29 | HNTB-APPARATUS-CORP | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
9.1%
of checked blocks have valid RPKI ROA coverage
(1 of 11)
No discrepancies found among checked blocks.
NIC Handles
ARINA119-ARIN
ARINA119-ARIN
ARINA119-ARIN
ARINA119-ARIN
AS1849-MNT
AS20234
DUMY-RIPE
DUMY-RIPE
HNTBCO
MAINT-CNCGROUP-HA
WW444-AP
WW444-AP