Cisco Systems Ironport Division
BGP inherited
Cluster stats
| Netblocks | 209 · 98,879 IPv4 addresses |
| All fragments | 584 blocks across 19 clusters |
| Cluster ID | 214432677 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 11 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
6 weekly snapshots · JSON
209
0 netblocks since 2026-07-05
2026-07-05
peak 209
2026-07-26
IP Ranges (209)
showing 50 of 209 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 23.90.96.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.97.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.98.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.99.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.100.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.101.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.102.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.103.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.104.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.105.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.106.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.107.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.108.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.109.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.110.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.111.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.112.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.113.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.114.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.115.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.116.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.117.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.118.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.119.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.120.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.121.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.122.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.123.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.124.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.125.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.126.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 23.90.127.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 63.251.108.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.128.0/22 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.129.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.130.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.132.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.133.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.134.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.136.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.137.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.138.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.139.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.140.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.141.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.142.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.143.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.144.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.145.0/24 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
| 68.232.146.0/23 | Cisco Systems Ironport Division | BGP | ANNOUNCED | ● high |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
78.0%
of checked blocks have valid RPKI ROA coverage
(163 of 209)
No discrepancies found among checked blocks.
NIC Handles
AS16417
AS30215
AS30238
AS40427
BOUDJ-ARIN
CISL-7
INA15-ARIN
ISO3-ARIN
ISO3-ARIN
ISO3-ARIN
lir-us-cisco1-1-MNT