CSG SYSTEMS INTERNATIONAL, INC.
CSG Systems Inc.
LEI
549300D7FJZUOHHXUA81
Registered name
CSG SYSTEMS INTERNATIONAL, INC.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 40 |
| All fragments | 64 blocks across 11 clusters |
| Cluster ID | 191468861 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 549300D7FJZUOHHXUA81 |
| Shared handles | clustered on 33 shared RIR contact/maintainer handles |
| Registry names | 16 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (40)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.20.244.0/24 | CSG Systems International INC. | APNIC | ASSIGNED PORTABLE | ● high |
| 158.155.0.0/16 | CSG Systems Inc. | ARIN | ● high | |
| 202.70.137.0/24 | CSG Systems International INC. | BGP | ANNOUNCED | ● high |
| 202.70.137.0/24 | CSG Systems International INC. | APNIC | ASSIGNED PORTABLE | ● high |
| 205.144.144.0/20 | CSG Systems Inc. | ARIN | ● high | |
| 205.144.146.0/24 | CSG Systems Inc. | BGP | ANNOUNCED | ● high |
| 205.144.147.0/24 | CSG Systems Inc. | BGP | ANNOUNCED | ● high |
| 205.144.157.0/24 | CSG Systems Inc. | BGP | ANNOUNCED | ● high |
| 205.144.159.0/24 | CSG Systems Inc. | BGP | ANNOUNCED | ● high |
| 206.221.48.0/20 | CSG Systems Inc. | ARIN | ● high | |
| 2001:df1:21c0::/47 | CSG Systems International INC. | APNIC | ASSIGNED PORTABLE | ● high |
| 80.150.112.32/29 | CSG-SYSTEMS-PINNEBERG-NET | RIPE | ASSIGNED PA | ● low |
| 88.198.237.192/27 | CSG-GBR | RIPE | ASSIGNED PA | ● low |
| 103.190.104.0/23 | CSG-CSS-CN | APNIC | ALLOCATED PORTABLE | ● low |
| 193.86.76.232/29 | CSG-CZ | RIPE | ASSIGNED PA | ● low |
| 198.240.135.0/24 | CSG-SG | RIPE | LEGACY | ● low |
| 198.240.136.0/24 | CSG-SG | RIPE | LEGACY | ● low |
| 198.240.139.0/24 | CSG-GB | RIPE | LEGACY | ● low |
| 198.240.143.0/24 | CSG-HK | RIPE | LEGACY | ● low |
| 198.240.144.0/24 | CSG-SG | RIPE | LEGACY | ● low |
| 198.240.151.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.16.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.17.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.20.0/24 | CSG-JP | RIPE | LEGACY | ● low |
| 199.53.21.0/24 | CSG-GB | RIPE | LEGACY | ● low |
| 199.53.22.0/24 | CSG-AU | RIPE | LEGACY | ● low |
| 199.53.24.0/24 | CSG-UK | RIPE | LEGACY | ● low |
| 199.53.25.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.27.0/24 | CSG-SG | RIPE | LEGACY | ● low |
| 199.53.69.0/24 | CSG-HK | RIPE | LEGACY | ● low |
| 199.53.70.0/24 | CSG-AU | RIPE | LEGACY | ● low |
| 199.53.74.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.183.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.185.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 199.53.195.0/24 | CSG-US | RIPE | LEGACY | ● low |
| 203.126.168.16/28 | CSG-SG | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2003:dd:7011::/48 | CSG-SYSTEMS-PINNEBERG-NET | RIPE | ASSIGNED | ● low |
| 2400:8f60::/32 | CSG-CSS-CN | APNIC | ALLOCATED PORTABLE | ● low |
| 2a01:4f8:b0:3ffe::/64 | CSG-GBR | RIPE | ASSIGNED | ● low |
| 2a01:4f8:bc:100::/56 | CSG-GBR | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: F
how networks compare →
17.5%
of checked blocks have valid RPKI ROA coverage
(7 of 40)
Possible discrepancies (2)
These blocks are registered to CSG Systems Inc. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2003:dd:7011::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2a01:4f8:bc:100::/56 /56 | authorized for AS24940 — Hetzner Online GmbH |
NIC Handles
AC2608-AP
APNIC-HM
AS133324
AS14207
AS2068-AP
AS46895
CA516-AP
CA516-AP
CANA-MNT
CGS-ORG-ARIN
CNS22-ARIN
CNS22-ARIN
+21 more