NeuStar, Inc.
Data as of 2026-09-20
BGP inherited
This organisation
| Netblocks | 17 · 832 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2001:728:1802::/48) |
| Registered in | United Kingdom (11) · JE (2) · United States (1) |
| Record ID | 241236014 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (17)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 87.244.103.8/29 | Neustar_Ltd | RIPE | ASSIGNED PA | ● low |
| 156.154.91.0/24 | NeuStar, Inc. | BGP | ANNOUNCED | ● low |
| 212.9.3.56/29 | Neustar | RIPE | ASSIGNED PA | ● low |
| 212.72.51.192/26 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.72.53.192/26 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.72.62.0/27 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.73.198.192/26 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.73.199.0/27 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.73.224.128/26 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.187.140.0/27 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.187.140.64/26 | Neustar | RIPE | ASSIGNED PA | ● low |
| 212.187.140.128/26 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 212.187.160.208/28 | NEUSTAR | RIPE | ASSIGNED PA | ● low |
| 213.242.91.0/26 | NEUSTAR-INC | RIPE | ASSIGNED PA | ● low |
| 2001:728:1802::/48 | NEUSTAR-NET | RIPE | ASSIGNED | ● low |
| 2607:f758:8100::/64 | NeuStar, Inc. | ARIN | ASSIGNMENT | ● low |
| 2607:f758:8200::/64 | NeuStar, Inc. | ARIN | ASSIGNMENT | ● low |
IPv6 ranges (3)
Footprint over time
13 weekly snapshots · JSON
17
-31 netblocks since 2026-07-05
2026-07-05
peak 48
2026-09-20
Network trust
what's this?
RPKI hygiene: F
how networks compare →
17.6%
of checked blocks have valid RPKI ROA coverage
(3 of 17)
Possible discrepancies (1)
These blocks are registered to NeuStar, Inc. 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.
| 2001:728:1802::/48 /48 | authorized for AS2914 — NTT America, Inc. |
NIC Handles
AS32980
DUMY-RIPE
DUMY-RIPE
JE-TEL-MNT
LEVEL3-MNT
MAINT-VIPAR
NEUS
QUZAUK
WAVE-TEL-MNT