Cisco Systems Ironport Division
BGP inherited
Cluster stats
| Netblocks | 209 · 98,879 IPv4 addresses |
| All fragments | 581 blocks across 18 clusters |
| Cluster ID | 208795220 |
| 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
5 weekly snapshots · JSON
209
0 netblocks since 2026-07-05
2026-07-05
peak 209
2026-07-19
Domains hosted in this network
what's this?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 |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “Cisco Systems” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- CISCO SYSTEMS, INC. 274 blocks
- CISCO-SYSTEMS-ITALY-SRL 54 blocks
- Cisco Systems, Inc. - Talos 20 blocks
- Cisco Systems Norway AS 5 blocks
- CISCO_SYSTEMS_ITALY_S_R_L_PROVIDER_MOBILITY_ENGINEERING 4 blocks
- Cisco Systems Sweden AB 2 blocks
- CISCO_SYSTEMS_ITALY_SRL_UMBRELLA 2 blocks
- Cisco Systems Israel Ltd. 2 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- CISCO_SYSTEMS-EDT via Retelit Digital Services S.p.A. sub-allocation
- CISCOSYSTEMS sub-allocation
- CISCOSYSTEMSITALY sub-allocation
- CISCOSYSTEMS-HWY-AT via A1 Telekom Austria AG sub-allocation
- CISCO-SYSTEMS-FRANCE-VAULNAVEYS-LE via Societe Francaise Du Radiotelephone - SFR SA sub-allocation
- CISCO-SYSTEMS-BELGIUM via Telenet BV sub-allocation
- Cisco Systems Inc sub-allocation
- Cisco Systems France via Orange S.A. sub-allocation
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